Measuring volatiles abundances , D/H ratios , and spin temperatures in comet C/2012 S1 ISON

This image of spectrum of instrument NIRSPEC KECK TELESCOPE , from comet C/2012 S1 ISON , date 25/10/2013 , Waveblue 2,13 microns , Wavered 4.23 microns , belongs from program '' Measuring volatiles abundances , D/H ratios , and spin temperatures in comet C/2012 S1 ISON '' , below project and research , COMETARY INVESTIGATION ASTROPHYSIC GROUP FB . CREDIT : "This research has made use of the Keck Observatory Archive (KOA), which is operated by the W. M. Keck Observatory and the NASA Exoplanet Science Institute (NExScI), under contract with the National Aeronautics and Space Administration." Please also acknowledge the PI(s) of datasets that have been obtained through KOA. The Keck Observatory Archive (KOA) is a collaboration between the NASA Exoplanet Science Institute (NExScI) and the W. M. Keck Observatory (WMKO). NExScI is sponsored by NASA's Origins Theme and Exoplanet Exploration Program, and operated by the California Institute of Technology in coordination with the Jet Propulsion Laboratory (JPL).