activity
20002021
most citedSpectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from the OSIRIS instrument onboard the ROSETTA spacecraft

231 citations · 3.4k across the 70 of their papers we have counts for

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14 papers · 1 filter

astro-ph2008★ 1 cited

The outburst triggered by the Deep Impact collision with Comet Tempel 1

Sergei I. Ipatov, Michael F. A'Hearn

Time variations in velocities and relative amount of observed particles (mainly icy particles with diameter d<3 μm) ejected from Comet 9P/Tempel 1 are studied based on analysis of…

astro-ph2008★ 21 cited

The Distribution, Excitation and Formation of Cometary Molecules: Methanol, Methyl Cyanide and Ethylene Glycol

Anthony J. Remijan, Stefanie N. Milam, Maria Womack +12

We present an interferometric and single dish study of small organic species toward Comets C/1995 O1 (Hale-Bopp) and C/2002 T7 (LINEAR) using the BIMA interferometer at 3 mm and th…

astro-ph2008★ 3 cited

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

Jessie L. Christiansen, David Charbonneau, Michael F. A'Hearn +16

The NASA Discovery mission EPOXI, utilizing the Deep Impact flyby spacecraft, comprises two phases: EPOCh (Extrasolar Planet Observation and Characterization) and DIXI (Deep Impact…

astro-ph2008★ 2 cited

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

Sarah Ballard, David Charbonneau, Michael F. A'Hearn +16

EPOXI (EPOCh + DIXI) is a NASA Discovery Program Mission of Opportunity using the Deep Impact flyby spacecraft. The EPOCh (Extrasolar Planet Observation and Characterization) Scien…

astro-ph2006★ 31 cited

Determination of the light curve of the Rosetta target Asteroid (2867) Steins by the OSIRIS cameras onboard Rosetta

M. Kueppers, S. Mottola, S. C. Lowry +9

Context: In 2004 asteroid (2867) Steins has been selected as a flyby target for the Rosetta mission. Determination of its spin period and the orientation of its rotation axis are e…

astro-ph2006★ 11 cited

Automatic Removal of Cosmic Ray Signatures on Deep Impact CCDs

S. I. Ipatov, M. F. A'Hearn, K. P. Klaasen

The results of recognition of cosmic ray (CR) signatures on a single image were analyzed for several codes written by several authors. For most visual images made during low solar…