The Impact Of The Lcross Satellite With The Moon As Seen By The Hubble Space Telescope

Details The Impact Of The Lcross Satellite With The Moon As Seen By The Hubble Space Telescope The Impact Of The Lcross Satellite With The Moon As Seen By The Hubble Space Telescope

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715607s&link_type=abstract

American Astronomical Society, AAS Meeting #217, #156.07; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Hubble Space Telescope (HST) images and NUV spectra of the near lunar region at the time of the impact of the LCROSS experiment (Colaprete 2007) into a permanently shadowed crater on the lunar south pole. Images immediately before and after the impact show an enhancement in the scattered light near 300 nm within a minute of the event. Spectra show persistent emission of the OH (1-0) band at 283 nm, which may indicate a permanent lunar exosphere of OH as reported by Sridharan et al (2010), rather than OH produced by photolysis of water liberated by the impact event. Analysis of the data is limited by uncertainty in the HST pointing, as the observations were made under gyro control.
References:
A. Colaprete, G. Briggs, K. Ennico, D. Wooden, J. Heldmann, L.
Sollitt, E. Asphaug, D. Korycansky, P. Schultz, A. Christensen, K. Galal, and the LCROSS Team (2007): "An Overview of The Lunar Crater Observation and Sensing Satellite (LCROSS) Mission - An ESMD Mission
to Investigate Lunar Polar Hydrogen", LEAG Workshop on Enabling Exploration: The Lunar Outpost and Beyond, held October 1-5, 2007 in Houston, Texas. LPI Contribution No. 1371, p.3017
R. Sridharan, S.M. Ahmed, Tirtha Pratim Das, P. Sreelatha, P. Pradeepkumar, Neha Naik and Gogulapati Supriya (2010): "`Direct’ evidence for water (H2O) in the sunlit lunar ambience from CHACE on MIP of Chandrayaan I", Planetary and Space Science Volume 58, Issue 6, May 2010, Pages 947-950

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