Comet ISON

In Semester 2013B, NASA granted PIs time to observe Comet ISON using HIRES and NIRSPEC, with the agreement that these data would have no proprietary period. The program titles, instruments, and PIs are listed below, with links to their data. Click on the “Semester Program ID” to access a list of the data files for that project.


Program TitleSemester Program IDObservation Dates (UT)InstrumentProgram PI
Keck HIRESb Observations of Sun-Grazing Comet C/2012 S1 (ISON) Pre- and Post-Perihelion2013B N115Hb2013-10-28
2013-10-25
HIRESCochran, A.
The Detailed Chemistry and Compositional Heterogenity of Comet C/2012 S1 ISON2013B N103NS2013-11-12
2013-10-28
2013-10-26
NIRSPECDelloRusso
Measuring volatile abundances, D/H ratios, and spin temperatures in Comet C/2012 S1 (ISON)2013B N109NS2013-10-25
2013-10-24
NIRSPECMumma