RO-A-CAL-ALICE-4-AST1

Required Reading The format of all Alice data are described in detail by the EAICD document located in the /DOCUMENT directory. In addition, the Rosetta Alice logbook file, RA_LOGBOOK_NNN.ASC, also located in the DOCUMENT directory provides observational details such as observation target, commanded exposure time, etc., for all Alice data. The Alice team strongly recommends reading this documentation before using the data. Data Set Overview This data set contains calibrated and linearized data acquired by the Rosetta Orbiter ALICE UV Spectrometer during the flyby of the asteroid (2867) Steins, which occurred 20080804 to 20081005. Observations of Steins and calibration targets were made during this mission phase. A detailed listing of all Alice observations is given in the observation log file located in the DOCUMENT directory. The following Alice observations were made during the period covered by this data set: # Flyby of asteroid 2867 Steins # 2008 September 18 # Alice activity overview: # * 2008 Sep 01 09:00 AL02 (decontamination; 25 hr, 22 hr heater + 3 hr cooldown) # * 2008 Sep 02 11:00 AL07 (dark calibration; 3 hr) # * 2008 Sep 02 20:00 AL13B, AL03B, AL06B (gam Gru cal; 4 hr) # * 2008 Sep 03 16:15 AL13A, AL03A, AL06A (Vega cal; 4 hr) # * 2008 Sep 04 09:45 AL08A (exosphere search; 19 hr) # * 2008 Sep 05 08:45 AL08B (exosphere search; 4 hr) # * 2008 Sep 05 18:48 AL09 (closest approach obs; 5 hr) # * 2008 Sep 06 16:45 AL10 (closest approach bkg; 6 hr) # * 2008 Sep 07 00:45 AL11 (exosphere bkg; 8 hr) # * 2008 Sep 07 06:45 AL02 (decontamination; 25 hr, 22 hr heater + 3 hr cooldown) Processing The data in this data set are calibrated, CODMAC Level 4 data. As such, corrections for detector dead time, dark counts, flatfield, and effective area have generally been applied. In addition, the data have been linearized, that is resampled onto a common l truncated!, Please see actual data for full text [truncated!, Please see actual data for full text]