A Reevaluation of the Hubble Space Telescope Spectra of the Impact of the LCROSS Satellite with the Moon

Details A Reevaluation of the Hubble Space Telescope Spectra of the Impact of the LCROSS Satellite with the Moon A Reevaluation of the Hubble Space Telescope Spectra of the Impact of the LCROSS Satellite with the Moon

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21943212s&link_type=abstract

American Astronomical Society, AAS Meeting #219, #432.12

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Hubble Space Telescope (HST) NUV spectra of the near lunar region at the time of the impact of the LCROSS experiment into a permanently shadowed crater on the lunar south pole (Colaprete 2007). Spectra show persistent emission features in the 270-300 nm wavelength region, which indicate a permanent lunar exosphere of metal ions, 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, and by the intrinsic weakness of the emissions and their possible time variability.
Reference:
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

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