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List of works by Michael A'Hearn

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

scientific article published in Astronomy and Astrophysics

A Search for a Sub-Earth-Sized Companion to GJ 436 and a Novel Method to Calibrate WarmSpitzerIRAC Observations

article

A distribution of large particles in the coma of Comet 103P/Hartley 2

scientific article

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

scientific article published in Astronomy and Astrophysics

A novel role for high-mobility group a proteins in cellular senescence and heterochromatin formation

scientific article

A search for additional planets in five of the exoplanetary systems studied by the NASA EPOXI mission ⬇️

scientific article published in the Astrophysical Journal

A search for additional planets in the NASA EPOXI observations of the exoplanet system GJ 436 ⬇️

scientific article published in the Astrophysical Journal

A search for trends in cometary dust emission

A tale of two very different comets: ISO and MSX measurements of dust emission from 126P/IRAS (1996) and 2P/Encke (1997)

Acceleration of individual, decimetre-sized aggregates in the lower coma of comet 67P/Churyumov–Gerasimenko ⬇️

scholarly article

Addendum

Alice—An ultraviolet imaging spectrometer for the Rosetta Orbiter

Alien maps of an ocean-bearing world ⬇️

scientific article published in the Astrophysical Journal

Analysis of Hybrid Gas–Dust Outbursts Observed at 67P/Churyumov–Gerasimenko

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

CN jet velocity in Comet P/Halley

scientific article

Changes in the physical environment of the inner Coma of 67P/Churyumov-Gerasimenko with decreasing heliocentric distance

scientific article published in Astronomical Journal

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

scientific article published in Astronomy and Astrophysics

Characterization of dust aggregates in the vicinity of the Rosetta spacecraft

scientific article

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

scientific article published in Astronomy and Astrophysics

Characterizing the dust Coma of comet C/2012 S1 (ISON) at 4.15 AU from the Sun ⬇️

scholarly article

Chemical Abundances in Comets

scientific article

Collision of comet Shoemaker-Levy 9 with Jupiter observed by the NASA infrared telescope facility

scientific article

Collisional excavation of asteroid (596) Scheila ⬇️

scholarly article

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

scientific article published in Astronomy and Astrophysics

Comet Bowell 1980b

scientific article published in Astronomical Journal

Comet C/2012 S1 (ISON): Final observations from the Deep Impact spacecraft

Comet Encke: Gas production and lightcurve

scientific article

Comet Geology with Deep Impact Remote Sensing

book chapter

Comet Geology with Deep Impact Remote Sensing

Comet Halley: a Unique Scientific Lab

scientific article

Comet P/Encke's nongravitational force

scientific article

Cometary Chemistry

scientific article

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

scientific article published on January 2015

Cometary science. The morphological diversity of comet 67P/Churyumov-Gerasimenko

scientific article published on January 2015

Cometary science: fly-through at Wild 2

scientific article published on 01 June 2004

Cometary volatiles and the origin of comets ⬇️

scientific article published in the Astrophysical Journal

Comets: looking ahead.

scientific article published on July 2017

Comments on: Fabry Lens

scientific article published on 01 August 1972

Comparative study of water ice exposures on cometary nuclei using multispectral imaging data

scientific article

Constraining the dust Coma properties of comet C/Siding spring (2013 a1) at large heliocentric distances ⬇️

article

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

scientific article

Coordinated Programs for Comet Halley

scientific article

Cyanogen jets in comet Halley

scientific article published in Nature

DIVISION III / WORKING GROUP COMMITTEE ON SMALL BODIES NOMENCLATURE

DIVISION III: PLANETARY SYSTEM SCIENCES

Deep Impact and Related Missions

scientific article

Deep Impact and the Origin and Evolution of Cometary Nuclei

scientific article

Deep Impact at Comet Tempel 1

scientific article

Deep Impact at Comet Tempel 1

Deep Impact photometry of Comet 9P/Tempel 1

Deep Impact photometry of Comet 9P/Tempel 1

reprint of a scholarly article

Deep Impact: Working Properties for the Target Nucleus – Comet 9P/Tempel 1

scholarly article

Deep Impact: Working Properties for the Target Nucleus — Comet 9P/Tempel 1

scholarly article

Deep Impact: excavating comet Tempel 1

scientific article

Deep Impact: observations from a worldwide Earth-based campaign.

scientific article published on 08 September 2005

Detection of exposed H2O ice on the nucleus of comet 67P/Churyumov-Gerasimenko ⬇️

scientific article published in Astronomy and Astrophysics

Development and utilization of a point spread function for the Extrasolar Planet Observation and Characterization/Deep Impact Extended Investigation (EPOXI) Mission

Disk-Resolved Photometry of Cometary Nuclei: Results from DIXI and Stardust-NExT

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

Dust coma morphology in the Deep Impact images of Comet 9P/Tempel 1

scientific article

Dust coma morphology in the Deep Impact images of Comet 9P/Tempel 1

scholarly article

E-type asteroid (2867) Steins as imaged by OSIRIS on board Rosetta.

scientific article

EPOXI at comet Hartley 2

scientific article (publication date: 17 June 2011)

EPOXI instrument calibration

scholarly article

EPOXI: comet 103P/Hartley 2 observations from a worldwide campaign ⬇️

Earth as an extrasolar planet: Earth model validation using EPOXI earth observations

scientific article

Erratum to “A distribution of large particles in the coma of Comet 103P/Hartley 2” [Icarus 222 (2013) 634–652]

scholarly article

Erratum to: Reports of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2006 & 2009

scholarly article published in Celestial Mechanics and Dynamical Astronomy

Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 03

scientific article

Expectations for Infrared Spectroscopy of 9P/Tempel 1 from Deep Impact

Expectations for Infrared Spectroscopy of 9P/Tempel 1 from Deep Impact

Far-ultraviolet Spectroscopy of Recent Comets with the Cosmic Origins Spectrograph on the Hubble Space Telescope

scientific article published in Astronomical Journal

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

scholarly article

Galaxy evolution explorer observations of CS and OH emission in comet 9P/Tempel 1 during deep impact ⬇️

scientific article published in the Astrophysical Journal

Gas outflow and dust transport of comet 67P/Churyumov–Gerasimenko

scientific article

Geologic control of jet formation on Comet 103P/Hartley 2

scholarly article

Geologic mapping of the Comet 67P/Churyumov–Gerasimenko's Northern hemisphere

scientific article

Geomorphological mapping of comet 67P/Churyumov–Gerasimenko’s Southern hemisphere

scientific article

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

Ground-based visible and near-IR observations of Comet 9P/Tempel 1 during the Deep Impact encounter

Ground-based visible and near-IR observations of Comet 9P/Tempel 1 during the Deep Impact encounter

scientific article

Hubble Space Telescope observations of Comet 9P/Tempel 1 during the Deep Impact encounter

scientific article

Hubble Space Telescope observations of Comet 9P/Tempel 1 during the Deep Impact encounter

article published in 2007

IUE observations of the UV spectrum of comet Bradfield

scientific article published in Nature

IUE observations of the evolution of Comet Wilson (1986/): Comparison with P/Halley

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

scientific article (publication date: 27 October 2011)

Infrared Observations Of Dust Emission From Comet Hale-Bopp

article published in 1997

Infrared Observations of Comets byCOBE ⬇️

scientific article published in the Astrophysical Journal

Infrared photometry of Comet Bowell and other comets

scientific article published in the Astrophysical Journal

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

scientific article published in Astronomy and Astrophysics

Introduction: Low-budget extended missions to comets

scientific article

Invited Article: Deep Impact instrument calibration

scientific article published on September 2008

Is CO2 responsible for the outbursts of comet Halley?

scientific article published in Nature

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

scientific article

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

scientific article published in Astronomy and Astrophysics

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

scientific article

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

scientific article

Looking for relationships

scientific article published in Nature

Measurements of the near-nucleus coma of comet 67P/Churyumov-Gerasimenko with the Alice far-ultraviolet spectrograph on Rosetta ⬇️

scientific article published in Astronomy and Astrophysics

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

scientific article

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

scientific article published in Astronomy and Astrophysics

NASA bids are not a popularity contest ⬇️

journal article; published in Nature on 2012-09-05

NH emission in comets: Fluorescence vs collisions

scientific article

Near-UV OH Prompt Emission in the Innermost Coma of 103P/Hartley 2

scientific article published in Astronomical Journal

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

scientific article published in Astronomy and Astrophysics

Observational and dynamical constraints on the rotation of Comet P/Halley

scientific article

Observations and analysis of a curved jet in the coma of comet 67P/Churyumov-Gerasimenko ⬇️

scientific article published in Astronomy and Astrophysics

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

scientific article

Observations of Cometary Nuclei

scientific article published in May 1988

On the existence of small comets and their interactions with planets

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

scientific article published in Science

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

scientific article published in Astronomy and Astrophysics

Osiris—The optical, spectroscopic and infrared remote imaging system for the Rosetta Orbiter

Ozone abundance on Mars from infrared heterodyne spectra

scientific article

Photometric analysis of Eros from NEAR data

Photometric analysis of the nucleus of Comet 81P/Wild 2 from Stardust images

scientific article

Photometric properties of the nucleus of Comet 103P/Hartley 2

scholarly article

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

scientific article published in Astronomy and Astrophysics

Photometry of the nucleus of Comet 9P/Tempel 1 from Stardust-NExT flyby and the implications

scholarly article

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

scientific article published in Astronomy and Astrophysics

Polarization fourier spectrometer for astronomy

scientific article published on 01 May 1974

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

scientific article published in Astronomy and Astrophysics

Post-Perihelion HST Observations of Comet Hale–Bopp (C/1995 O1)

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

scientific article

Preliminary Results on HAT-P-4, TrES-3, XO-2, and GJ 436 from the NASA EPOXI Mission

Properties of an Earth-like planet orbiting a Sun-like star: Earth observed by the EPOXI mission

scientific article

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009

scientific article (publication date: 4 December 2010)

Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2015

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

scientific article published on 17 November 2016

Rotational variability of earth's polar regions: implications for detecting snowball planets ⬇️

scientific article published in the Astrophysical Journal

Rotationally Resolved 8-35 MicronSpitzer Space TelescopeObservations of the Nucleus of Comet 9P/Tempel 1 ⬇️

scientific article published in the Astrophysical Journal

S2: A Clue to the Origin of Cometary Ice?

scientific article

Scientific assessment of the quality of OSIRIS images

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

Searching for the Deep Impact crater on Comet 9P/Tempel 1 using image processing techniques

scientific article published in January 2007

Searching for the Deep Impact crater on Comet 9P/Tempel 1 using image processing techniques

scientific article published in March 2007

Seasonal evolution on the nucleus of comet C/2013 A1 (Siding spring) ⬇️

article

Seasonal mass transfer on the nucleus of comet 67P/Churyumov–Gerasimenko

scientific article

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

scientific article published in Astronomy and Astrophysics

Shape, density, and geology of the nucleus of Comet 103P/Hartley 2

scholarly article

Shells in the C2 Coma of Comet P/Halley

scientific article

Size-frequency distribution of boulders ≥10 m on comet 103P/Hartley 2

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

Spectrophotometry of the Khonsu region on the comet 67P/Churyumov–Gerasimenko using OSIRIS instrument images

scientific article

Spitzer Space TelescopeObservations of the Nucleus of Comet 103P/Hartley 2

Spitzer observations of the asteroid-comet transition object and potential spacecraft target 107P (4015) Wilson-Harrington

scientific article published in Astronomy and Astrophysics

Stardust-NExT, Deep Impact, and the accelerating spin of 9P/Tempel 1

scientific article

Stellar Occultation by Comet 67P/Churyumov–Gerasimenko Observed with Rosetta's Alice Far-ultraviolet Spectrograph

Studies of proton-irradiated cometary-type ice mixtures

scientific article

Sublimation of icy aggregates in the coma of comet 67P/Churyumov–Gerasimenko detected with the OSIRIS cameras on boardRosetta ⬇️

scholarly article

Summer fireworks on comet 67P ⬇️

article

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

scientific article

Surface temperature of the nucleus of Comet 9P/Tempel 1

scientific article

Surface temperature of the nucleus of Comet 9P/Tempel 1

System parameters, transit times, and secondary eclipse constraints of the exoplanet systems HAT-P-4, TrES-2, TrES-3, and WASP-3 from the NASA EPOXI mission of opportunity ⬇️

scientific article published in the Astrophysical Journal

Temporal and spatial variability of lunar hydration as observed by the Deep Impact spacecraft

scientific article

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

scientific article published in Astronomy and Astrophysics

The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study

scientific article

The 67P/Churyumov-Gerasimenko observation campaign in support of the Rosetta mission.

scientific article published on July 2017

The Agilkia boulders/pebbles size–frequency distributions: OSIRIS and ROLIS joint observations of 67P surface

scholarly article

The Deep Impact oblique impact cratering experiment

scholarly article

The Deep Impact oblique impact cratering experiment

The Dependence of the Cerean Exosphere on Solar Energetic Particle Events ⬇️

The Discovery of Argon in Comet C/1995 O1 (Hale-Bopp) ⬇️

scientific article published in the Astrophysical Journal

The Ensemble Properties of Comets: Results from Narrowband Photometry of 85 Comets, 1976-1992

scientific article (publication date: December 1995)

The Hubble Space Telescope (HST) observing campaign on comet Shoemaker-Levy 9.

scientific article

The Inner Coma and Nucleus of Comet Hale–Bopp: Results from a Stellar Occultation

article

The NASA EPOXI mission of opportunity to gather ultraprecise photometry of known transiting exoplanets

The Neutral Coma

scholarly article

The Nucleus of Comet Hyakutake (C/1996 B2)

The bare nucleus of comet Neujmin 1

scientific article published in the Astrophysical Journal

The complex spin state of 103P/Hartley 2: Kinematics and orientation in space

scholarly article

The detection, localization, and dynamics of large icy particles surrounding Comet 103P/Hartley 2

article

The disappearance of OH from comet P/Encke

scientific article

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 ⬇️

scientific article published in Astronomy and Astrophysics

The evolution of the infrared emission from the Type II supernova 1980k in NGC 6946 - The dust formation model ⬇️

scientific article published in the Astrophysical Journal

The global meter-level shape model of comet 67P/Churyumov-Gerasimenko

scientific article published in Astronomy and Astrophysics

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

scientific article

The internal structure of Jupiter family cometary nuclei from Deep Impact observations: The “talps” or “layered pile” model

scholarly article

The internal structure of Jupiter family cometary nuclei from Deep Impact observations: The “talps” or “layered pile” model

scientific article

The nucleus of Deep Impact target Comet 9P/Tempel 1

The nucleus of Deep Impact target Comet 9P/Tempel 1

scientific article

The origin of pits on 9P/Tempel 1 and the geologic signature of outbursts in Stardust-NExT images

scientific article

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

scientific article

The persistent activity of Jupiter-family comets at 3–7AU

article

The primordial nucleus of comet 67P/Churyumov-Gerasimenko

scientific article published in Astronomy and Astrophysics

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

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

scientific article published in Astronomy and Astrophysics

The shape, topography, and geology of Tempel 1 from Deep Impact observations

scholarly article

The shape, topography, and geology of Tempel 1 from Deep Impact observations

scientific article

The size and shape of (2) Pallas from the 1983 occultation of 1 Vulpeculae

scientific article published in Astronomical Journal

The size and thermal properties of the nucleus of Comet 22P/Kopff

scholarly article

The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471

scientific article (publication date: December 1987)

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

scientific article published in Astronomy and Astrophysics

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

scholarly article

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

scientific article

Thermophysics of fractures on comet 67P/Churyumov-Gerasimenko

scientific article published in Astronomy and Astrophysics

Triple F—a comet nucleus sample return mission

scientific article published on 7 August 2008

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

scientific article published in 'Nature' in September 2015

Ultraviolet spectrophotometry of comet Giacobini-Zinner during the ICE encounter

Ultraviolet spectroscopy of Asteroid (4) Vesta

scientific article

Upper Limits for Emissions in the Coma of Comet 67P/Churyumov–Gerasimenko near Perihelion as Measured by Rosetta’s Alice Far-UV Spectrograph

Upper limits of SO and SO2 in Comets

scientific article

Vaporization in comets; Outbursts from comet Schwassmann-Wachmann 1

scientific article

Variability in Comet P/Swift-Tuttle

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

scientific article published in Astronomy and Astrophysics

WISE/NEOWISE observations of comet 103P/Hartley 2 ⬇️

scientific article published in the Astrophysical Journal

Water ice and dust in the innermost coma of comet 103P/Hartley 2 ⬇️

scientific article

Water vaporization on Ceres

scientific article

Whence comets?

scientific article

Where is the ice in comets

scientific article published in the Astrophysical Journal

Working Group on Definition of Planet

X-Band VLA observations of comet Hyakutake (C/1996 B2) and implications for nuclear properties

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