Hans Rickman
Professor emeritus at Department of Physics and Astronomy; Astronomy and Space Physics
- E-mail:
- hans.rickman@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Regementsvägen 10
- Postal address:
- Box 516
751 37 UPPSALA
Publications
Recent publications
Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions
Part of Icarus, 2024
Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions
Part of Icarus, 2024
Breakdown of planetary systems in embedded clusters
Part of Monthly notices of the Royal Astronomical Society, p. 637-648, 2023
A new model for simulating circumstellar dynamics in young stellar clusters
Part of Monthly notices of the Royal Astronomical Society, p. 1470-1479, 2022
CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko
Part of Monthly notices of the Royal Astronomical Society, p. 6009-6040, 2022
All publications
Articles in journal
Oort Cloud and sednoid formation in an embedded cluster, I: Populations and size distributions
Part of Icarus, 2024
Oort Cloud and sednoid formation in an embedded cluster. II. Dynamics and orbital evolutions
Part of Icarus, 2024
Breakdown of planetary systems in embedded clusters
Part of Monthly notices of the Royal Astronomical Society, p. 637-648, 2023
A new model for simulating circumstellar dynamics in young stellar clusters
Part of Monthly notices of the Royal Astronomical Society, p. 1470-1479, 2022
CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko
Part of Monthly notices of the Royal Astronomical Society, p. 6009-6040, 2022
On the Dynamical Evolution of Young Stellar Aggregates
Part of Acta Astronomica, p. 243-260, 2021
Seasonal variations in source regions of the dust jets on comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2019
Bilobate comet morphology and internal structure controlled by shear deformation
Part of Nature Geoscience, p. 157-162, 2019
Water in the history of Mars: An assessment
Part of Planetary and Space Science, p. 70-89, 2019
Tensile strength of 67P/Churyumov-Gerasimenko nucleus material from overhangs
Part of Astronomy and Astrophysics, 2018
- DOI for Tensile strength of 67P/Churyumov-Gerasimenko nucleus material from overhangs
- Download full text (pdf) of Tensile strength of 67P/Churyumov-Gerasimenko nucleus material from overhangs
Exposed bright features on the comet 67P/Churyumov-Gerasimenko: distribution and evolution
Part of Astronomy and Astrophysics, 2018
The phase function and density of the dust observed at comet 67P/Churyumov-Gerasimenko
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
- Download full text (pdf) of The phase function and density of the dust observed at comet 67P/Churyumov-Gerasimenko
On the present shape of the Oort cloud and the flux of "new" comets
Part of Icarus, p. 218-233, 2017
The pristine interior of comet 67P revealed by the combined Aswan outburst and cliff collapse
Part of Nature Astronomy, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
Post-perihelion photometry of dust grains in the coma of 67P Churyumov-Gerasimenko
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
Characterization of dust aggregates in the vicinity of the Rosetta spacecraft
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
The opposition effect of 67P/Churyumov-Gerasimenko on post-perihelion Rosetta images
Part of Monthly notices of the Royal Astronomical Society, 2017
Long-term monitoring of comet 67P/Churyumov-Gerasimenko's jets with OSIRIS onboard Rosetta
Part of Monthly notices of the Royal Astronomical Society, 2017
A three-dimensional modelling of the layered structure of comet 67P/Churyumov-Gerasimenko
Part of Monthly notices of the Royal Astronomical Society, 2017
Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography
Part of Monthly notices of the Royal Astronomical Society, 2017
Long-term survival of surface water ice on comet 67P
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
Part of Monthly notices of the Royal Astronomical Society, 2017
The destruction of an Oort Cloud in a rich stellar cluster
Part of Astronomy and Astrophysics, 2017
Distance determination method of dust particles using Rosetta OSIRIS NAC and WAC data
Part of Planetary and Space Science, p. 256-264, 2017
Part of Astronomy and Astrophysics, 2017
Distribution of long-period comets: comparison between simulations and observations
Part of Astronomy and Astrophysics, 2017
Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past
Part of Science, p. 1392-+, 2017
Part of Astronomy and Astrophysics, 2017
Secular orbital evolution of Jupiter family comets
Part of Astronomy and Astrophysics, 2017
Cometary impact rates on the Moon and planets during the late heavy bombardment
Part of Astronomy and Astrophysics, 2017
Opposition effect on comet 67P/Churyumov-Gerasimenko using Rosetta-OSIRIS images
Part of Astronomy and Astrophysics, 2017
Part of Icarus, p. 257-278, 2016
Variegation of comet 67P/Churyumov-Gerasimenko in regions showing activity
Part of Astronomy and Astrophysics, 2016
Part of Astronomy and Astrophysics, 2016
Part of Astronomy and Astrophysics, 2016
Part of Astronomy and Astrophysics, 2016
The primordial nucleus of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2016
Gravitational scattering of stars and clusters and the heating of the Galactic disk
Part of Astronomy and Astrophysics, 2016
- DOI for Gravitational scattering of stars and clusters and the heating of the Galactic disk
- Download full text (pdf) of Gravitational scattering of stars and clusters and the heating of the Galactic disk
Part of Astronomy and Astrophysics, 2016
Rosetta's comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature
Part of Science, p. 1566-1570, 2016
Part of Astronomy and Astrophysics, 2016
Part of Astronomy and Astrophysics, 2016
Aswan site on comet 67P/Churyumov-Gerasimenko: Morphology, boulder evolution, and spectrophotometry
Part of Astronomy and Astrophysics, 2016
Part of Astronomy and Astrophysics, 2016
Evolution Of The Dust Size Distribution Of Comet 67P/Churyumov-Gerasimenko From 2.2 Au To Perihelion
Part of Astrophysical Journal, 2016
Possible interpretation of the precession of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2016
Photometry of dust grains of comet 67P and connection with nucleus regions
Part of Astronomy and Astrophysics, 2016
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
- Download full text (pdf) of Decimetre-scaled spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations
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
- Download full text (pdf) of Acceleration of individual, decimetre-sized aggregates in the lower coma of comet 67P/Churyumov-Gerasimenko
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
- Download full text (pdf) of Spectrophotometry of the Khonsu region on the comet 67P/Churyumov-Gerasimenko using OSIRIS instrument images
Geologic mapping of the Comet 67P/Churyumov-Gerasimenko's Northern hemisphere
Part of Monthly notices of the Royal Astronomical Society, 2016
- DOI for Geologic mapping of the Comet 67P/Churyumov-Gerasimenko's Northern hemisphere
- Download full text (pdf) of Geologic mapping of the Comet 67P/Churyumov-Gerasimenko's Northern hemisphere
Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere
Part of Monthly notices of the Royal Astronomical Society, 2016
- DOI for Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere
- Download full text (pdf) of Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere
Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko
Part of Monthly notices of the Royal Astronomical Society, 2016
- DOI for Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko
- Download full text (pdf) of Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko
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
- Download full text (pdf) of Sublimation of icy aggregates in the coma of comet 67P/Churyumov-Gerasimenko detected with the OSIRIS cameras on board Rosetta
The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study
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
- Download full text (pdf) of The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study
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
- Download full text (pdf) of The Agilkia boulders/pebbles size-frequency distributions: OSIRIS and ROLIS joint observations of 67P surface
Comparative study of water ice exposures on cometary nuclei using multispectral imaging data
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
- Download full text (pdf) of Comparative study of water ice exposures on cometary nuclei using multispectral imaging data
Part of Monthly notices of the Royal Astronomical Society, 2016
Part of Astronomy and Astrophysics, 2016
Part of Astronomical Journal, 2016
Part of Experimental astronomy, p. 329-391, 2015
Part of Icarus, p. 1-21, 2015
Fractures on comet 67P/Churyumov-Gerasimenko observed by Rosetta/OSIRIS
Part of Geophysical Research Letters, p. 5170-5178, 2015
Large heterogeneities in comet 67P as revealed by active pits from sinkhole collapse
Part of Nature, p. 63-66, 2015
67P/Churyumov-Gerasimenko: Activity between March and June 2014 as observed from Rosetta/OSIRIS
Part of Astronomy and Astrophysics, 2015
Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the Sun
Part of Science, 2015
The morphological diversity of comet 67P/Churyumov-Gerasimenko
Part of Science, 2015
On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko
Part of Science, 2015
Scientific assessment of the quality of OSIRIS images
Part of Astronomy and Astrophysics, 2015
Search for satellites near comet 67P/Churyumov-Gerasimenko using Rosetta/OSIRIS images
Part of Astronomy and Astrophysics, 2015
Redistribution of particles across the nucleus of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Orbital elements of the material surrounding comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Comet 67P/Churyumov-Gerasimenko: Constraints on its origin from OSIRIS observations
Part of Astronomy and Astrophysics, 2015
Geomorphology and spectrophotometry of Philae's landing site on comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Size-frequency distribution of boulders >= 7 m on comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Regional surface morphology of comet 67P/Churyumov-Gerasimenko from Rosetta/OSIRIS images
Part of Astronomy and Astrophysics, 2015
Rotating dust particles in the coma of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Two independent and primitive envelopes of the bilobate nucleus of comet 67P
Part of Nature, p. 402-405, 2015
Temporal morphological changes in the Imhotep region of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Morphology and dynamics of the jets of comet 67P/Churyumov-Gerasimenko: Early-phase development
Part of Astronomy and Astrophysics, 2015
Part of Astronomy and Astrophysics, 2015
Insolation, erosion, and morphology of comet 67P/Churyumov-Gerasimenko
Part of Astronomy and Astrophysics, 2015
Comets as collisional fragments of a primordial planetesimal disk
Part of Astronomy and Astrophysics, 2015
Geomorphology of the Imhotep region on comet 67P/Churyumov-Gerasimenko from OSIRIS observations
Part of Astronomy and Astrophysics, 2015
Surface roughness and three-dimensional heat conduction in thermophysical models
Part of Icarus, p. 58-77, 2014
Part of Icarus, p. 99-109, 2014
Planetary perturbations for Oort cloud comets: II. Implications for the origin of observable comets
Part of Icarus, p. 110-121, 2014
CHOMIK: a multi-method approach for studying Phobos
Part of Solar system research, p. 279-286, 2014
The Oort Cloud and long-period comets
Part of Meteoritics and Planetary Science, p. 8-20, 2014
Monte Carlo methods to calculate impact probabilities
Part of Astronomy and Astrophysics, 2014
Part of Astronomy and Astrophysics, 2014
Part of Astronomy and Astrophysics, 2014
Planetary perturbations for Oort Cloud comets. I. Distributions and dynamics
Part of Icarus, p. 20-31, 2013
Thermal inertia and surface roughness of Comet 9P/Tempel 1
Part of Icarus, p. 154-171, 2013
Fast Geometric Method for Calculating Accurate Minimum Orbit Intersection Distances
Part of Acta Astronomica, p. 293-307, 2013
Oort Cloud and Long-Period Comets
Part of LPI Contributions, 2012
Geological map and stratigraphy of asteroid 21 Lutetia
Part of Planetary and Space Science, p. 125-136, 2012
Part of Planetary and Space Science, p. 96-124, 2012
Part of Monthly notices of the Royal Astronomical Society, p. 3230-3243, 2012
Gaia and the new comets from the Oort cloud
Part of Planetary and Space Science, p. 124-129, 2012
The key role of massive stars in Oort cloud comet dynamics
Part of Icarus, p. 334-347, 2011
Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System
Part of Science, p. 487-490, 2011
The last revolution of new comets: the role of stars and their detectability
Part of Astronomy and Astrophysics, 2011
E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta
Part of Science, p. 190-193, 2010
On the Dynamical Evolution of Scattered Disk Objects Outside the Planetary System
Part of Acta Astronomica, p. 373-385, 2010
A collision in 2009 as the origin of the debris trail of asteroid P/2010 A2
Part of Nature, p. 814-816, 2010
Part of Icarus, p. 335-357, 2009
Part of Astrophysical Journal, p. 210-215, 2009
Mapping the carbon monoxide coma of comet 29P/Schwassmann-Wachmann 1
Part of Astronomy and Astrophysics, p. 537-546, 2008
Part of Astronomy and Astrophysics, p. 393-402, 2008
Nucleus properties of Comet 9P/Tempel 1 estimated from non-gravitational force modeling
Part of Icarus, p. 306-320, 2007
Observations of Comet 9P/Tempel 1 around the Deep Impact event by the OSIRIS cameras onboard Rosetta
Part of Icarus, p. 87-103, 2007
Molecular oxygen in the ρ Ophiuchi cloud
Part of Astronomy and Astrophysics, p. 999-1003, 2007
OSIRIS: The scientific camera system onboard Rosetta
Part of Space Science Reviews, p. 433-506, 2007
Stellar Perturbations on the Galactic Disk
Part of Astronomy & Astrophysics, p. 673-681, 2004
Rosetta och jakten på vårt ursprung
Part of Populär Astronomi, p. 6-13, 2004
Highlights from the first year of Odin observations
Part of Astronomy & Astrophysics, 2003
Observations of water in comets with Odin
Part of Astronomy & Astrophysics, 2003
Articles, review/survey
Origin and Evolution of the Cometary Reservoirs
Part of Space Science Reviews, p. 191-269, 2015
Rosetta Radio Science Investigations (RSI)
Part of Space Science Reviews, p. 599-627, 2007
Chapters in book
Part of Topics in Gravitational Dynamics, p. 257-272, Springer-Verlag, 2007
Methods for the Study of the Dynamics of the Oort Cloud Comets: II. Modelling the Galactic Tide
Part of Topics in Gravitational Dynamics, p. 273-296, Springer-Verlag, 2007
Part of Proc. of International Workshop on Collaboration and Coordination Among NEO Observers and Orbital Computers, p. 97-102, Japan Spaceguard Ass., 2002
Collections (editor)
Comet/Asteroid Impacts and Human Society
Springer, Heidelberg, 2007
Conference papers
Comets and the Young Solar System (David Bates Medal Lecture)
Part of EGU General Assembly Conference Abstracts, 2012
Part of EPSC-DPS Joint Meeting 2011, p. 221, 2011
Spins, shapes, and orbits for near-Earth objects by Nordic NEON
Part of Near Earth Objects, our Celestial Neighbors, p. 309-320, 2007