Hans Rickman

Disruption of Planetary System Architectures by Stellar Flybys

Przyluski, Robert; Rickman, Hans; Wajer, Pawel; Wisniowski, Tomasz et al.

Part of Universe, 2025

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Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions

Wajer, Pawel; Rickman, Hans; Kowalski, Blazej; Wisniowski, Tomasz

Part of Icarus, 2024

• DOI for Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions

Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions

Wajer, Pawel; Rickman, Hans; Kowalski, Blazej; Wisniowski, Tomasz

Part of Icarus, 2024

• DOI for Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions

Breakdown of planetary systems in embedded clusters

Rickman, Hans; Wajer, P.; Przyluski, R.; Wisniowski, T. et al.

Part of Monthly notices of the Royal Astronomical Society, p. 637-648, 2023

• DOI for Breakdown of planetary systems in embedded clusters

A new model for simulating circumstellar dynamics in young stellar clusters

Wisniowski, T.; Rickman, Hans; Wajer, P.

Part of Monthly notices of the Royal Astronomical Society, p. 1470-1479, 2022

• DOI for A new model for simulating circumstellar dynamics in young stellar clusters

Disruption of Planetary System Architectures by Stellar Flybys

Przyluski, Robert; Rickman, Hans; Wajer, Pawel; Wisniowski, Tomasz et al.

Part of Universe, 2025

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Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions

Wajer, Pawel; Rickman, Hans; Kowalski, Blazej; Wisniowski, Tomasz

Part of Icarus, 2024

• DOI for Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions

Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions

Wajer, Pawel; Rickman, Hans; Kowalski, Blazej; Wisniowski, Tomasz

Part of Icarus, 2024

• DOI for Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions

Breakdown of planetary systems in embedded clusters

Rickman, Hans; Wajer, P.; Przyluski, R.; Wisniowski, T. et al.

Part of Monthly notices of the Royal Astronomical Society, p. 637-648, 2023

• DOI for Breakdown of planetary systems in embedded clusters

A new model for simulating circumstellar dynamics in young stellar clusters

Wisniowski, T.; Rickman, Hans; Wajer, P.

Part of Monthly notices of the Royal Astronomical Society, p. 1470-1479, 2022

• DOI for A new model for simulating circumstellar dynamics in young stellar clusters

CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko

Davidsson, Bjorn J. R.; Schloerb, F. Peter; Fornasier, Sonia; Oklay, Nilda et al.

Part of Monthly notices of the Royal Astronomical Society, p. 6009-6040, 2022

• DOI for CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko

On the Dynamical Evolution of Young Stellar Aggregates

Wisniowski, T.; Rickman, Hans; Wajer, P.

Part of Acta Astronomica, p. 243-260, 2021

• DOI for On the Dynamical Evolution of Young Stellar Aggregates

Seasonal variations in source regions of the dust jets on comet 67P/Churyumov-Gerasimenko

Lai, I-L; Ip, W-H; Lee, J-C; Lin, Z. Y. et al.

Part of Astronomy and Astrophysics, 2019

• DOI for Seasonal variations in source regions of the dust jets on comet 67P/Churyumov-Gerasimenko

Bilobate comet morphology and internal structure controlled by shear deformation

Matonti, C.; Attree, N.; Groussin, O.; Jorda, L. et al.

Part of Nature Geoscience, p. 157-162, 2019

• DOI for Bilobate comet morphology and internal structure controlled by shear deformation

Water in the history of Mars: An assessment

Rickman, Hans; Blecka, M. I.; Gurgurewicz, J.; Jorgensen, U. G. et al.

Part of Planetary and Space Science, p. 70-89, 2019

• DOI for Water in the history of Mars: An assessment

Tensile strength of 67P/Churyumov-Gerasimenko nucleus material from overhangs

Attree, N.; Groussin, O.; Jorda, L.; Nebouy, D. et al.

Part of Astronomy and Astrophysics, 2018

• DOI for Tensile strength of 67P/Churyumov-Gerasimenko nucleus material from overhangs
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Exposed bright features on the comet 67P/Churyumov-Gerasimenko: distribution and evolution

Deshapriya, J. D. P.; Barucci, M. A.; Fornasier, S.; Hasselmann, P. H. et al.

Part of Astronomy and Astrophysics, 2018

• DOI for Exposed bright features on the comet 67P/Churyumov-Gerasimenko: distribution and evolution

The phase function and density of the dust observed at comet 67P/Churyumov-Gerasimenko

Fulle, Marco; Bertini, I.; Della Corte, V.; Guttler, C. et al.

Part of Monthly notices of the Royal Astronomical Society, p. 2835-2839, 2018

• DOI for The phase function and density of the dust observed at comet 67P/Churyumov-Gerasimenko
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On the present shape of the Oort cloud and the flux of "new" comets

Fouchard, M.; Rickman, Hans; Froeschle, Ch.; Valsecchi, G. B.

Part of Icarus, p. 218-233, 2017

• DOI for On the present shape of the Oort cloud and the flux of "new" comets

The pristine interior of comet 67P revealed by the combined Aswan outburst and cliff collapse

Pajola, M.; Hoefner, S.; Vincent, J. B.; Oklay, N. et al.

Part of Nature Astronomy, 2017

• DOI for The pristine interior of comet 67P revealed by the combined Aswan outburst and cliff collapse

The pebbles/boulders size distributions on Sais: Rosetta's final landing site on comet 67P/Churyumov-Gerasimenko

Pajola, M.; Lucchetti, A.; Fulle, M.; Mottola, S. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for The pebbles/boulders size distributions on Sais: Rosetta's final landing site on comet 67P/Churyumov-Gerasimenko

Characterization of dust aggregates in the vicinity of the Rosetta spacecraft

Guettler, C.; Hasselmann, P. H.; Li, Y.; Fulle, M. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Characterization of dust aggregates in the vicinity of the Rosetta spacecraft

The scattering phase function of comet 67P/Churyumov-Gerasimenko coma as seen from the Rosetta/OSIRIS instrument

Bertini, I.; La Forgia, F.; Tubiana, C.; Guettler, C. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for The scattering phase function of comet 67P/Churyumov-Gerasimenko coma as seen from the Rosetta/OSIRIS instrument

Post-perihelion photometry of dust grains in the coma of 67P Churyumov-Gerasimenko

Frattin, E.; Cremonese, G.; Simioni, E.; Bertini, I. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Post-perihelion photometry of dust grains in the coma of 67P Churyumov-Gerasimenko

The highly active Anhur-Bes regions in the 67P/Churyumov-Gerasimenko comet: results from OSIRIS/ROSETTA observations

Fornasier, S.; Feller, C.; Lee, J. -C; Ferrari, S. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for The highly active Anhur-Bes regions in the 67P/Churyumov-Gerasimenko comet: results from OSIRIS/ROSETTA observations

Modelling of the outburst on 2015 July 29 observed with OSIRIS cameras in the Southern hemisphere of comet 67P/Churyumov-Gerasimenko

Gicquel, A.; Rose, M.; Vincent, J. -B; Davidsson, B. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Modelling of the outburst on 2015 July 29 observed with OSIRIS cameras in the Southern hemisphere of comet 67P/Churyumov-Gerasimenko

Thermal modelling of water activity on comet 67P/Churyumov-Gerasimenko with global dust mantle and plural dust-to-ice ratio

Hu, X.; Shi, X.; Sierks, H.; Blum, J. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Thermal modelling of water activity on comet 67P/Churyumov-Gerasimenko with global dust mantle and plural dust-to-ice ratio

The opposition effect of 67P/Churyumov-Gerasimenko on post-perihelion Rosetta images

Hasselmann, P. H.; Barucci, M. A.; Fornasier, S.; Feller, C. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for The opposition effect of 67P/Churyumov-Gerasimenko on post-perihelion Rosetta images

A three-dimensional modelling of the layered structure of comet 67P/Churyumov-Gerasimenko

Penasa, L.; Massironi, M.; Naletto, G.; Simioni, E. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for A three-dimensional modelling of the layered structure of comet 67P/Churyumov-Gerasimenko

Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography

Vincent, J. -B; Hviid, S. F.; Mottola, S.; Kuehrt, E. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography

Long-term monitoring of comet 67P/Churyumov-Gerasimenko's jets with OSIRIS onboard Rosetta

Schmitt, M. I.; Tubiana, C.; Guettler, C.; Sierks, H. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Long-term monitoring of comet 67P/Churyumov-Gerasimenko's jets with OSIRIS onboard Rosetta

Dust mass distribution around comet 67P/Churyumov-Gerasimenko determined via parallax measurements using Rosetta's OSIRIS cameras

Ott, T.; Drolshagen, E.; Koschny, D.; Guettler, C. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Dust mass distribution around comet 67P/Churyumov-Gerasimenko determined via parallax measurements using Rosetta's OSIRIS cameras

Long-term survival of surface water ice on comet 67P

Oklay, N.; Mottola, S.; Vincent, J. -B; Pajola, M. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Long-term survival of surface water ice on comet 67P

Geomorphological and spectrophotometric analysis of Seth's circular niches on comet 67P/Churyumov-Gerasimenko using OSIRIS images

Lucchetti, A.; Pajola, M.; Fornasier, S.; Mottola, S. et al.

Part of Monthly notices of the Royal Astronomical Society, 2017

• DOI for Geomorphological and spectrophotometric analysis of Seth's circular niches on comet 67P/Churyumov-Gerasimenko using OSIRIS images

The destruction of an Oort Cloud in a rich stellar cluster

Nordlander, Thomas; Rickman, Hans; Gustafsson, Bengt

Part of Astronomy and Astrophysics, 2017

• DOI for The destruction of an Oort Cloud in a rich stellar cluster

Distance determination method of dust particles using Rosetta OSIRIS NAC and WAC data

Drolshagen, E.; Ott, T.; Koschny, D.; Guetler, C. et al.

Part of Planetary and Space Science, p. 256-264, 2017

• DOI for Distance determination method of dust particles using Rosetta OSIRIS NAC and WAC data

Seasonal erosion and restoration of the dust cover on comet 67P/Churyumov-Gerasimenko as observed by OSIRIS onboard Rosetta

Hu, X.; Shi, X.; Sierks, H.; Fulle, M. et al.

Part of Astronomy and Astrophysics, 2017

• DOI for Seasonal erosion and restoration of the dust cover on comet 67P/Churyumov-Gerasimenko as observed by OSIRIS onboard Rosetta

Distribution of long-period comets: comparison between simulations and observations

Fouchard, M.; Rickman, Hans; Froeschle, Ch.; Valsecchi, G. B.

Part of Astronomy and Astrophysics, 2017

• DOI for Distribution of long-period comets: comparison between simulations and observations

Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past

El-Maarry, M. Ramy; Groussin, O.; Thomas, N.; Pajola, M. et al.

Part of Science, p. 1392-+, 2017

• DOI for Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past

Multivariate statistical analysis of OSIRIS/Rosetta spectrophotometric data of comet 67P/Churyumov-Gerasimenko

Perna, D.; Fulchignoni, M.; Barucci, M. A.; Fornasier, S. et al.

Part of Astronomy and Astrophysics, 2017

• DOI for Multivariate statistical analysis of OSIRIS/Rosetta spectrophotometric data of comet 67P/Churyumov-Gerasimenko

Cometary impact rates on the Moon and planets during the late heavy bombardment

Rickman, Hans; Wisniowski, T.; Gabryszewski, R.; Wajer, P. et al.

Part of Astronomy and Astrophysics, 2017

• DOI for Cometary impact rates on the Moon and planets during the late heavy bombardment

Secular orbital evolution of Jupiter family comets

Rickman, Hans; Gabryszewski, R.; Wajer, P.; Wisniowski, T. et al.

Part of Astronomy and Astrophysics, 2017

• DOI for Secular orbital evolution of Jupiter family comets

Opposition effect on comet 67P/Churyumov-Gerasimenko using Rosetta-OSIRIS images

Masoumzadeh, N.; Oklay, N.; Kolokolova, L.; Sierks, H. et al.

Part of Astronomy and Astrophysics, 2017

• DOI for Opposition effect on comet 67P/Churyumov-Gerasimenko using Rosetta-OSIRIS images

The global shape, density and rotation of Comet 67P/Churyumov-Gerasimenko from preperihelion Rosetta/OSIRIS observations

Jorda, L.; Gaskell, R.; Capanna, C.; Hviid, S. et al.

Part of Icarus, p. 257-278, 2016

• DOI for The global shape, density and rotation of Comet 67P/Churyumov-Gerasimenko from preperihelion Rosetta/OSIRIS observations

Characterization of the Abydos region through OSIRIS high-resolution images in support of CIVA measurements

Lucchetti, A.; Cremonese, G.; Jorda, L.; Poulet, F. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Characterization of the Abydos region through OSIRIS high-resolution images in support of CIVA measurements

Variegation of comet 67P/Churyumov-Gerasimenko in regions showing activity

Oklay, N.; Vincent, J. -B; Fornasier, S.; Pajola, M. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Variegation of comet 67P/Churyumov-Gerasimenko in regions showing activity

Are fractured cliffs the source of cometary dust jets?: Insights from OSIRIS/Rosetta at 67P/Churyumov-Gerasimenko

Vincent, J. -B; Oklay, N.; Pajola, M.; Hoefner, S. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Are fractured cliffs the source of cometary dust jets?: Insights from OSIRIS/Rosetta at 67P/Churyumov-Gerasimenko

The dust environment of comet 67P/Churyumov-Gerasimenko from Rosetta OSIRIS and VLT observations in the 4.5 to 2.9 AU heliocentric distance range inbound

Moreno, F.; Snodgrass, C.; Hainaut, O.; Tubiana, C. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for The dust environment of comet 67P/Churyumov-Gerasimenko from Rosetta OSIRIS and VLT observations in the 4.5 to 2.9 AU heliocentric distance range inbound

The primordial nucleus of comet 67P/Churyumov-Gerasimenko

Davidsson, Björn; Sierks, H.; Guettler, C.; Marzari, F. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for The primordial nucleus of comet 67P/Churyumov-Gerasimenko

Gravitational scattering of stars and clusters and the heating of the Galactic disk

Gustafsson, Bengt; Church, Ross P.; Davies, Melvyn B.; Rickman, Hans

Part of Astronomy and Astrophysics, 2016

• DOI for Gravitational scattering of stars and clusters and the heating of the Galactic disk
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Detection of exposed H2O ice on the nucleus of comet 67P/Churyumov-Gerasimenko as observed by Rosetta OSIRIS and VIRTIS instruments

Barucci, M. A.; Filacchione, G.; Fornasier, S.; Raponi, A. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Detection of exposed H2O ice on the nucleus of comet 67P/Churyumov-Gerasimenko as observed by Rosetta OSIRIS and VIRTIS instruments

Aswan site on comet 67P/Churyumov-Gerasimenko: Morphology, boulder evolution, and spectrophotometry

Pajola, Maurizio; Oklay, Nilda; La Forgia, Fiorangela; Giacomini, Lorenza et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Aswan site on comet 67P/Churyumov-Gerasimenko: Morphology, boulder evolution, and spectrophotometry

The southern hemisphere of 67P/Churyumov-Gerasimenko: Analysis of the preperihelion size-frequency distribution of boulders >= 7m

Pajola, Maurizio; Lucchetti, Alice; Vincent, Jean-Baptiste; Oklay, Nilda et al.

Part of Astronomy and Astrophysics, 2016

• DOI for The southern hemisphere of 67P/Churyumov-Gerasimenko: Analysis of the preperihelion size-frequency distribution of boulders >= 7m

Rosetta's comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature

Fornasier, S.; Mottola, S.; Keller, H. U.; Barucci, M. A. et al.

Part of Science, p. 1566-1570, 2016

• DOI for Rosetta's comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature

A mini outburst from the nightside of comet 67P/Churyumov-Gerasimenko observed by the OSIRIS camera on Rosetta

Knollenberg, J.; Lin, Z. Y.; Hviid, S. F.; Oklay, N. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for A mini outburst from the nightside of comet 67P/Churyumov-Gerasimenko observed by the OSIRIS camera on Rosetta

Physical properties and dynamical relation of the circular depressions on comet 67P/Churyumov-Gerasimenko

Ip, W. -H; Lai, I. -L; Lee, J. -C; Cheng, Y. -C et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Physical properties and dynamical relation of the circular depressions on comet 67P/Churyumov-Gerasimenko

Evolution Of The Dust Size Distribution Of Comet 67P/Churyumov-Gerasimenko From 2.2 Au To Perihelion

Fulle, M.; Marzari, F.; Della Corte, V.; Fornasier, S. et al.

Part of Astrophysical Journal, 2016

• DOI for Evolution Of The Dust Size Distribution Of Comet 67P/Churyumov-Gerasimenko From 2.2 Au To Perihelion

Possible interpretation of the precession of comet 67P/Churyumov-Gerasimenko

Gutierrez, P. J.; Jorda, L.; Gaskell, R. W.; Davidsson, Björn J. R. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Possible interpretation of the precession of comet 67P/Churyumov-Gerasimenko

Photometry of dust grains of comet 67P and connection with nucleus regions

Cremonese, G.; Simioni, E.; Ragazzoni, R.; Bertini, I. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Photometry of dust grains of comet 67P and connection with nucleus regions

Decimetre-scaled spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations

Feller, C.; Fornasier, S.; Hasselmann, P. H.; Barucci, A. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Decimetre-scaled spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations
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Acceleration of individual, decimetre-sized aggregates in the lower coma of comet 67P/Churyumov-Gerasimenko

Agarwal, Jessica; A'Hearn, M. F.; Vincent, J. -B; Guettler, C. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Acceleration of individual, decimetre-sized aggregates in the lower coma of comet 67P/Churyumov-Gerasimenko
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Spectrophotometry of the Khonsu region on the comet 67P/Churyumov-Gerasimenko using OSIRIS instrument images

Deshapriya, J. D. P.; Barucci, M. A.; Fornasier, S.; Feller, C. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Spectrophotometry of the Khonsu region on the comet 67P/Churyumov-Gerasimenko using OSIRIS instrument images
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Geologic mapping of the Comet 67P/Churyumov-Gerasimenko's Northern hemisphere

Giacomini, L.; Massironi, M.; El-Maarry, M. R.; Penasa, L. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Geologic mapping of the Comet 67P/Churyumov-Gerasimenko's Northern hemisphere
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Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere

Lee, Jui-Chi; Massironi, Matteo; Ip, Wing-Huen; Giacomini, Lorenza et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere
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Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko

Lai, Ian-Lin; Ip, Wing-Huen; Su, Cheng-Chin; Wu, Jong-Shinn et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko
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Sublimation of icy aggregates in the coma of comet 67P/Churyumov-Gerasimenko detected with the OSIRIS cameras on board Rosetta

Gicquel, A.; Vincent, J. -B; Agarwal, J.; A'Hearn, M. F. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Sublimation of icy aggregates in the coma of comet 67P/Churyumov-Gerasimenko detected with the OSIRIS cameras on board Rosetta
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The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study

Grun, E.; Agarwal, J.; Altobelli, N.; Altwegg, K. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study
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The Agilkia boulders/pebbles size-frequency distributions: OSIRIS and ROLIS joint observations of 67P surface

Pajola, M.; Mottola, S.; Hamm, M.; Fulle, M. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for The Agilkia boulders/pebbles size-frequency distributions: OSIRIS and ROLIS joint observations of 67P surface
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Comparative study of water ice exposures on cometary nuclei using multispectral imaging data

Oklay, N.; Sunshine, J. M.; Pajola, M.; Pommerol, A. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Comparative study of water ice exposures on cometary nuclei using multispectral imaging data
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Summer fireworks on comet 67P

Vincent, J. -B; A'Hearn, M. F.; Lin, Z. -Y; El-Maarry, M. R. et al.

Part of Monthly notices of the Royal Astronomical Society, 2016

• DOI for Summer fireworks on comet 67P
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Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images: The southern hemisphere

El-Marry, M. R.; Thomas, N.; Gracia-Berna, A.; Pajola, M. et al.

Part of Astronomy and Astrophysics, 2016

• DOI for Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images: The southern hemisphere

Changes in the physical environment of the inner coma of 67p/churyumov-gerasimenko with decreasing heliocentric distance

Bodewits, D.; Lara, L. M.; A'Hearn, M. F.; La Forgia, F. et al.

Part of Astronomical Journal, 2016

• DOI for Changes in the physical environment of the inner coma of 67p/churyumov-gerasimenko with decreasing heliocentric distance

The EChO science case

Tinetti, Giovanna; Drossart, Pierre; Eccleston, Paul; Hartogh, Paul et al.

Part of Experimental astronomy, p. 329-391, 2015

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Interpretation of thermal emission. I. The effect of roughness for spatially resolved atmosphereless bodies

Davidsson, Björn J. R.; Rickman, Hans; Bandfield, Joshua L.; Groussin, Olivier et al.

Part of Icarus, p. 1-21, 2015

• DOI for Interpretation of thermal emission. I. The effect of roughness for spatially resolved atmosphereless bodies

Fractures on comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS

El-Maarry, M. R.; Thomas, N.; Gracia-Berna, A.; Marschall, R. et al.

Part of Geophysical Research Letters, p. 5170-5178, 2015

• DOI for Fractures on comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS

Large heterogeneities in comet 67P as revealed by active pits from sinkhole collapse

Vincent, Jean-Baptiste; Bodewits, Dennis; Besse, Sebastien; Sierks, Holger et al.

Part of Nature, p. 63-66, 2015

• DOI for Large heterogeneities in comet 67P as revealed by active pits from sinkhole collapse

67P/Churyumov-Gerasimenko: Activity between March and June 2014 as observed from Rosetta/OSIRIS

Tubiana, C.; Snodgrass, C.; Bertini, I.; Mottola, S. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for 67P/Churyumov-Gerasimenko: Activity between March and June 2014 as observed from Rosetta/OSIRIS

Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the Sun

Rotundi, Alessandra; Sierks, Holger; Della Corte, Vincenzo; Fulle, Marco et al.

Part of Science, 2015

• DOI for Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the Sun

The morphological diversity of comet 67P/Churyumov-Gerasimenko

Thomas, Nicolas; Sierks, Holger; Barbieri, Cesare; Lamy, Philippe L. et al.

Part of Science, 2015

• DOI for The morphological diversity of comet 67P/Churyumov-Gerasimenko

On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko

Sierks, Holger; Barbieri, Cesare; Lamy, Philippe L.; Rodrigo, Rafael et al.

Part of Science, 2015

• DOI for On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko

Size-frequency distribution of boulders >= 7 m on comet 67P/Churyumov-Gerasimenko

Pajola, Maurizio; Vincent, Jean-Baptiste; Guettler, Carsten; Lee, Jui-Chi et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Size-frequency distribution of boulders >= 7 m on comet 67P/Churyumov-Gerasimenko

Redistribution of particles across the nucleus of comet 67P/Churyumov-Gerasimenko

Thomas, N.; Davidsson, Björn; El-Maarry, M. R.; Fornasier, S. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Redistribution of particles across the nucleus of comet 67P/Churyumov-Gerasimenko

Characterization of OSIRIS NAC filters for the interpretation of multispectral data of comet 67P/Churyumov-Gerasimenko

Oklay, N.; Vincent, J. -B; Sierks, H.; Besse, S. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Characterization of OSIRIS NAC filters for the interpretation of multispectral data of comet 67P/Churyumov-Gerasimenko

Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images

El-Maarry, M. R.; Thomas, N.; Giacomini, L.; Massironi, M. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images

Search for satellites near comet 67P/Churyumov-Gerasimenko using Rosetta/OSIRIS images

Bertini, I.; Gutierrez, P. J.; Lara, L. M.; Marzari, F. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Search for satellites near comet 67P/Churyumov-Gerasimenko using Rosetta/OSIRIS images

OSIRIS observations of meter-sized exposures of H2O ice at the surface of 67P/Churyumov-Gerasimenko and interpretation using laboratory experiments

Pommerol, A.; Thomas, N.; El-Maarry, M. R.; Pajola, M. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for OSIRIS observations of meter-sized exposures of H2O ice at the surface of 67P/Churyumov-Gerasimenko and interpretation using laboratory experiments

Orbital elements of the material surrounding comet 67P/Churyumov-Gerasimenko

Davidsson, Björn; Gutierrez, P. J.; Sierks, H.; Barbieri, C. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Orbital elements of the material surrounding comet 67P/Churyumov-Gerasimenko

Comets as collisional fragments of a primordial planetesimal disk

Morbidelli, A.; Rickman, Hans

Part of Astronomy and Astrophysics, 2015

• DOI for Comets as collisional fragments of a primordial planetesimal disk

Rotating dust particles in the coma of comet 67P/Churyumov-Gerasimenko

Fulle, M.; Ivanovski, S. L.; Bertini, I.; Gutierrez, P. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Rotating dust particles in the coma of comet 67P/Churyumov-Gerasimenko

Comet 67P/Churyumov-Gerasimenko: Constraints on its origin from OSIRIS observations

Rickman, Hans; Marchi, S.; A'Hearn, M. F.; Barbieri, C. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Comet 67P/Churyumov-Gerasimenko: Constraints on its origin from OSIRIS observations

Geomorphology and spectrophotometry of Philae's landing site on comet 67P/Churyumov-Gerasimenko

La Forgia, F.; Giacomini, L.; Lazzarin, M.; Massironi, M. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Geomorphology and spectrophotometry of Philae's landing site on comet 67P/Churyumov-Gerasimenko

Shape model, reference system definition, and cartographic mapping standards for comet 67P/Churyumov-Gerasimenko Stereo-photogrammetric analysis of Rosetta/OSIRIS image data

Preusker, F.; Scholten, F.; Matz, K. -D; Roatsch, T. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Shape model, reference system definition, and cartographic mapping standards for comet 67P/Churyumov-Gerasimenko Stereo-photogrammetric analysis of Rosetta/OSIRIS image data

Two independent and primitive envelopes of the bilobate nucleus of comet 67P

Massironi, Matteo; Simioni, Emanuele; Marzari, Francesco; Cremonese, Gabriele et al.

Part of Nature, p. 402-405, 2015

• DOI for Two independent and primitive envelopes of the bilobate nucleus of comet 67P

Temporal morphological changes in the Imhotep region of comet 67P/Churyumov-Gerasimenko

Groussin, O.; Sierks, H.; Barbieri, C.; Lamy, P. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Temporal morphological changes in the Imhotep region of comet 67P/Churyumov-Gerasimenko

Gravitational slopes, geomorphology, and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations

Groussin, O.; Jorda, L.; Auger, A. -T; Kuehrt, E. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Gravitational slopes, geomorphology, and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations

Spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from the OSIRIS instrument onboard the ROSETTA spacecraft

Fornasier, S.; Hasselmann, P. H.; Barucci, M. A.; Feller, C. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from the OSIRIS instrument onboard the ROSETTA spacecraft

Morphology and dynamics of the jets of comet 67P/Churyumov-Gerasimenko: Early-phase development

Lin, Z. -Y; Ip, W. -H; Lai, I. -L; Lee, J. -C et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Morphology and dynamics of the jets of comet 67P/Churyumov-Gerasimenko: Early-phase development

Large-scale dust jets in the coma of 67P/Churyumov-Gerasimenko as seen by the OSIRIS instrument onboard Rosetta

Lara, L. M.; Lowry, S.; Vincent, J. -B; Gutierrez, P. J. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Large-scale dust jets in the coma of 67P/Churyumov-Gerasimenko as seen by the OSIRIS instrument onboard Rosetta

Insolation, erosion, and morphology of comet 67P/Churyumov-Gerasimenko

Keller, H. U.; Mottola, S.; Davidsson, Björn; Schroeder, S. E. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Insolation, erosion, and morphology of comet 67P/Churyumov-Gerasimenko

Scientific assessment of the quality of OSIRIS images

Tubiana, C.; Guettler, C.; Kovacs, G.; Bertini, I. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Scientific assessment of the quality of OSIRIS images

Geomorphology of the Imhotep region on comet 67P/Churyumov-Gerasimenko from OSIRIS observations

Auger, A. -T; Groussin, O.; Jorda, L.; Bouley, S. et al.

Part of Astronomy and Astrophysics, 2015

• DOI for Geomorphology of the Imhotep region on comet 67P/Churyumov-Gerasimenko from OSIRIS observations

Surface roughness and three-dimensional heat conduction in thermophysical models

Davidsson, Björn J. R.; Rickman, Hans

Part of Icarus, p. 58-77, 2014

• DOI for Surface roughness and three-dimensional heat conduction in thermophysical models

Planetary perturbations for Oort cloud comets: II. Implications for the origin of observable comets

Fouchard, M.; Rickman, Hans; Froeschle, Ch.; Valsecchi, G. B.

Part of Icarus, p. 110-121, 2014

• DOI for Planetary perturbations for Oort cloud comets: II. Implications for the origin of observable comets

Planetary perturbations for Oort cloud comets: III. Evolution of the cloud and production of centaurs and Halley type comets

Fouchard, M.; Rickman, Hans; Froeschle, Ch.; Valsecchi, G. B.

Part of Icarus, p. 99-109, 2014

• DOI for Planetary perturbations for Oort cloud comets: III. Evolution of the cloud and production of centaurs and Halley type comets

CHOMIK: a multi-method approach for studying Phobos

Rickman, Hans; Slaby, E.; Gurgurewicz, J.; Smigielski, M. et al.

Part of Solar system research, p. 279-286, 2014

• DOI for CHOMIK: a multi-method approach for studying Phobos

The Oort Cloud and long-period comets

Rickman, Hans

Part of Meteoritics and Planetary Science, p. 8-20, 2014

• DOI for The Oort Cloud and long-period comets

Monte Carlo methods to calculate impact probabilities

Rickman, Hans; Wisniowski, T.; Wajer, P.; Gabryszewski, R. et al.

Part of Astronomy and Astrophysics, 2014

• DOI for Monte Carlo methods to calculate impact probabilities

The rotation state of 67P/Churyumov-Gerasimenko from approach observations with the OSIRIS cameras on Rosetta

Mottola, S.; Lowry, S.; Snodgrass, C.; Lamy, P. L. et al.

Part of Astronomy and Astrophysics, 2014

• DOI for The rotation state of 67P/Churyumov-Gerasimenko from approach observations with the OSIRIS cameras on Rosetta

New catalogue of one-apparition comets discovered in the years 1901-1950 I. Comets from the Oort spike

Krolikowska, Malgorzata; Sitarski, Grzegorz; Pittich, Eduard M.; Szutowicz, Slawomira et al.

Part of Astronomy and Astrophysics, 2014

• DOI for New catalogue of one-apparition comets discovered in the years 1901-1950 I. Comets from the Oort spike

Thermal inertia and surface roughness of Comet 9P/Tempel 1

Davidsson, Björn J. R.; Gutierrez, Pedro J.; Groussin, Olivier; A'Hearn, Michael F. et al.

Part of Icarus, p. 154-171, 2013

• DOI for Thermal inertia and surface roughness of Comet 9P/Tempel 1

Planetary perturbations for Oort Cloud comets. I. Distributions and dynamics

Fouchard, M.; Rickman, Hans; Froeschle, Ch; Valsecchi, G. B.

Part of Icarus, p. 20-31, 2013

• DOI for Planetary perturbations for Oort Cloud comets. I. Distributions and dynamics

Fast Geometric Method for Calculating Accurate Minimum Orbit Intersection Distances

Wisniowski, T.; Rickman, Hans

Part of Acta Astronomica, p. 293-307, 2013

Oort Cloud and Long-Period Comets

Rickman, H.

Part of LPI Contributions, 2012

Geological map and stratigraphy of asteroid 21 Lutetia

Massironi, Matteo; Marchi, Simone; Pajola, Maurizio; Snodgrass, Colin et al.

Part of Planetary and Space Science, p. 125-136, 2012

• DOI for Geological map and stratigraphy of asteroid 21 Lutetia

The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA's Rosetta spacecraft

Thomas, N.; Barbieri, C.; Keller, H. U.; Lamy, P. et al.

Part of Planetary and Space Science, p. 96-124, 2012

• DOI for The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA's Rosetta spacecraft

Gaia and the new comets from the Oort cloud

Rickman, Hans; Fouchard, M.; Froeschlé, C.; Valsecchi, G. B.

Part of Planetary and Space Science, p. 124-129, 2012

• DOI for Gaia and the new comets from the Oort cloud

Spectrophotometric investigation of Phobos with the Rosetta OSIRIS-NAC camera and implications for its collisional capture

Pajola, M.; Lazzarin, M.; Bertini, I.; Marzari, F. et al.

Part of Monthly notices of the Royal Astronomical Society, p. 3230-3243, 2012

• DOI for Spectrophotometric investigation of Phobos with the Rosetta OSIRIS-NAC camera and implications for its collisional capture

The key role of massive stars in Oort cloud comet dynamics

Fouchard, M.; Froeschle, Ch; Rickman, Hans; Valsecchi, G. B.

Part of Icarus, p. 334-347, 2011

• DOI for The key role of massive stars in Oort cloud comet dynamics

Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

Sierks, H.; Lamy, P.; Barbieri, C.; Koschny, D. et al.

Part of Science, p. 487-490, 2011

• DOI for Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System

The last revolution of new comets: the role of stars and their detectability

Fouchard, M.; Rickman, Hans; Froeschle, Ch.; Valsecchi, G. B.

Part of Astronomy and Astrophysics, 2011

• DOI for The last revolution of new comets: the role of stars and their detectability

E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta

Keller, H. U.; Barbieri, C.; Koschny, D.; Lamy, P. et al.

Part of Science, p. 190-193, 2010

• DOI for E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta

On the Dynamical Evolution of Scattered Disk Objects Outside the Planetary System

Gabryszewski, R.; Rickman, Hans

Part of Acta Astronomica, p. 373-385, 2010

A collision in 2009 as the origin of the debris trail of asteroid P/2010 A2

Snodgrass, Colin; Tubiana, Cecilia; Vincent, Jean-Baptiste; Sierks, Holger et al.

Part of Nature, p. 814-816, 2010

• DOI for A collision in 2009 as the origin of the debris trail of asteroid P/2010 A2

Physical properties of morphological units on Comet 9P/Tempel 1 derived from near-IR Deep Impact spectra

Davidsson, Björn J. R.; Gutierrez, J; Rickman, Hans

Part of Icarus, p. 335-357, 2009

• DOI for Physical properties of morphological units on Comet 9P/Tempel 1 derived from near-IR Deep Impact spectra

Natural Transfer of Viable Microbes in Space from Planets in Extra-Solar Systems to a Planet in our Solar System and Vice Versa

Valtonen, Mauri; Nurmi, Pasi; Zheng, Jia-Qing; Cucinotta, Francis A. et al.

Part of Astrophysical Journal, p. 210-215, 2009

• DOI for Natural Transfer of Viable Microbes in Space from Planets in Extra-Solar Systems to a Planet in our Solar System and Vice Versa

Non-gravitational motion of the Jupiter-family comet 81P/Wild 2 II. The active regions on the surface

Szutowicz, S.; Krolikowska, M.; Rickman, Hans

Part of Astronomy and Astrophysics, p. 393-402, 2008

• DOI for Non-gravitational motion of the Jupiter-family comet 81P/Wild 2 II. The active regions on the surface

Mapping the carbon monoxide coma of comet 29P/Schwassmann-Wachmann 1

Gunnarsson, M.; Bockelee-Morvan, D.; Biver, N.; Crovisier, J. et al.

Part of Astronomy and Astrophysics, p. 537-546, 2008

• DOI for Mapping the carbon monoxide coma of comet 29P/Schwassmann-Wachmann 1

Nucleus properties of Comet 9P/Tempel 1 estimated from non-gravitational force modeling

Davidsson, Björn J. R.; Gutiérrez, Pedro J.; Rickman, Hans

Part of Icarus, p. 306-320, 2007

• DOI for Nucleus properties of Comet 9P/Tempel 1 estimated from non-gravitational force modeling

Observations of Comet 9P/Tempel 1 around the Deep Impact event by the OSIRIS cameras onboard Rosetta

Keller, H.; Rickman, Hans; Davidsson, Björn J. R.; Wenzel, Klaus-Peter

Part of Icarus, p. 87-103, 2007

• DOI for Observations of Comet 9P/Tempel 1 around the Deep Impact event by the OSIRIS cameras onboard Rosetta

OSIRIS: The scientific camera system onboard Rosetta

Keller, H. U.; Rickman, Hans; Zaccariotto, M.

Part of Space Science Reviews, p. 433-506, 2007

• DOI for OSIRIS: The scientific camera system onboard Rosetta

Molecular oxygen in the ρ Ophiuchi cloud

Larsson, B.; Rickman, Hans; Witt, G.

Part of Astronomy and Astrophysics, p. 999-1003, 2007

• DOI for Molecular oxygen in the ρ Ophiuchi cloud

Stellar Perturbations on the Galactic Disk

Rickman, Hans; Froeschlé, Christiane; Froeschlé, Claude; Valsecchi, Giovanni

Part of Astronomy & Astrophysics, p. 673-681, 2004

Rosetta och jakten på vårt ursprung

Rickman, Hans

Part of Populär Astronomi, p. 6-13, 2004

Highlights from the first year of Odin observations

Hjalmarson, Å.; Frisk, U.; Olberg, M.; Bergman, P. et al.

Part of Astronomy and Astrophysics, 2003

• DOI for Highlights from the first year of Odin observations

Observations of water in comets with Odin

Lecacheux, A.; Biver, N.; Crovisier, J.; Bockelée-Morvan, D. et al.

Part of Astronomy and Astrophysics, 2003

• DOI for Observations of water in comets with Odin

Highlights from the first year of Odin observations

Rickman, Hans; al., undefined

Part of Astronomy & Astrophysics, 2003

• DOI for Highlights from the first year of Odin observations

Origin and Evolution of the Cometary Reservoirs

Dones, Luke; Brasser, Ramon; Kaib, Nathan; Rickman, Hans

Part of Space Science Reviews, p. 191-269, 2015

• DOI for Origin and Evolution of the Cometary Reservoirs

Rosetta Radio Science Investigations (RSI)

Paetzold, Martin; Haeusler, Bernd; Aksnes, Kaare; Anderson, John D. et al.

Part of Space Science Reviews, p. 599-627, 2007

• DOI for Rosetta Radio Science Investigations (RSI)

Methods for the Study of the Dynamics of the Oort Cloud Comets: II. Modelling the Galactic Tide

Fouchard, Marc; Froeschlé, Christiane; Breiter, Sławomir; Ratajczak, Roman et al.

Part of Topics in Gravitational Dynamics, p. 273-296, Springer-Verlag, 2007

• DOI for Methods for the Study of the Dynamics of the Oort Cloud Comets: II. Modelling the Galactic Tide

Methods for the Study of the Dynamics of the Oort Cloud Comets: I: Modelling the Stellar Perturbations

Fouchard, Marc; Froeschlé, Christiane; Rickman, Hans; Valsecchi, Giovanni B.

Part of Topics in Gravitational Dynamics, p. 257-272, Springer-Verlag, 2007

• DOI for Methods for the Study of the Dynamics of the Oort Cloud Comets: I: Modelling the Stellar Perturbations

NEO Research and the IAU

Rickman, Hans

Part of Proc. of International Workshop on Collaboration and Coordination Among NEO Observers and Orbital Computers, p. 97-102, Japan Spaceguard Ass., 2002

Comet/Asteroid Impacts and Human Society

Bobrowsky, Peter; Rickman, Hans

Springer, Heidelberg, 2007

Comets and the Young Solar System (David Bates Medal Lecture)

Rickman, H.

Part of EGU General Assembly Conference Abstracts, 2012

Thermal Inertia and Surface Roughness of Comet 9P/Tempel 1 Derived from Recalibrated Deep Impact NIR Spectroscopy

Davidsson, Björn J. R.; Gutierrez, P. J.; Groussin, O.; A’Hearn, M. F. et al.

Part of EPSC-DPS Joint Meeting 2011, p. 221, 2011

Spins, shapes, and orbits for near-Earth objects by Nordic NEON

Lagerkvist, Claes-Ingvar; Rickman, Hans; Karlsson, Ola

Part of Near Earth Objects, our Celestial Neighbors, p. 309-320, 2007

• DOI for Spins, shapes, and orbits for near-Earth objects by Nordic NEON

New catalogue of single-apparition comets discovered in the years 1901-1950. Part I

Królikowska, M; Sitarski, G; Pittich, E; Szutowicz, S et al.

2014

Planetdrift

Rickman, Hans

2011