Data Set Information
DATA_SET_NAME ROSETTA-ORBITER 67P/CAL ALICE 2 EXT2 V1.0
DATA_SET_ID RO-C/CAL-ALICE-2-EXT2-V1.0
NSSDC_DATA_SET_ID
DATA_SET_TERSE_DESCRIPTION
DATA_SET_DESCRIPTION Required Reading : The format of all Alice data are described in detail by the EAICD document located in the /DOCUMENT directory. The Alice team strongly recommends reading this documentation before using the data. Data Set Overview : This data set contains uncalibrated data acquired by the Rosetta Orbiter ALICE UV Spectrometer during the Rosetta Extension 2 mission phase, which took place between 2016-04-06 and 2016-06-30. Processing : The data in this data set are uncalibrated, CODMAC Level 2 data. As such, corrections for detector dead time, dark counts, flatfield, and effective area have not been applied. The primary FITS header contains a list of which corrections have been applied to that file. Data : The data are in FITS format and text format. Each FITS file has a detached PDS label so that they can be read either by FITS or PDS tools. A detailed description of the data format is given in the ALICE EAICD document located in the DOCUMENT directory of this data set. Ancillary Data : No ancillary data included in this data set. Coordinate System : The geometry items SC_SUN_POSITION_VECTOR, SC_TARGET_POSITION_VECTOR and SC_TARGET_VELOCITY_VECTOR provided in the label of the data product are relative to the Earth Mean Equator and Equinox frame of J2000. SUB_SPACECRAFT_LATITUDE, SUB_SPACECRAFT_LONGITUDE are given in the Cheops reference frame. These parameters are computed at time t:START_TIME. Distances are given in km, angles in degrees. The 67P/C-G_CK comet frame is defined by the kernel file, ROS_CHURYUMOV_V01.TF. Software : All FITS readers should be able to successfully read the data.
DATA_SET_RELEASE_DATE 2016-12-16T00:00:00.000Z
START_TIME 2016-04-06T12:00:07.803Z
STOP_TIME 2016-07-01T12:01:54.758Z
MISSION_NAME INTERNATIONAL ROSETTA MISSION
MISSION_START_DATE 1995-03-01T12:00:00.000Z
MISSION_STOP_DATE N/A (ongoing)
TARGET_NAME CALIBRATION
67P/CHURYUMOV-GERASIMENKO 1 (1969 R1)
TARGET_TYPE CALIBRATION
COMET
INSTRUMENT_HOST_ID RO
INSTRUMENT_NAME ALICE
INSTRUMENT_ID ALICE
INSTRUMENT_TYPE ULTRAVIOLET SPECTROMETER
NODE_NAME Small Bodies
ARCHIVE_STATUS SUPERSEDED
CONFIDENCE_LEVEL_NOTE Confidence Level Overview : Data confidence is nominal, meaning that all data have been validated by the Alice team and found as expected. Any exceptions are noted by the DATA_QUALITY field in the label files. Review : Data Coverage and Quality : Data quality is good unless otherwise noted by the DATA_QUALITY keyword. Limitations : These data have not been calibrated and are in instrumental units.
CITATION_DESCRIPTION Steffl, A. J., Kaufmann, D. E., Parker, J. Wm., and S. A. Stern, ROSETTA-ORBITER 67P/CAL ALICE 2 EXT2 V1.0, RO-C/CAL-ALICE-2-EXT2-V1.0, ESA Planetary Science Archive and NASA Planetary Data System, 2017.
ABSTRACT_TEXT This data set contains CODMAC Level 2 data acquired by the Rosetta Orbiter ALICE UV Spectrometer during the comet 67P/Churyumov-Gerasimenko Rosetta Extension 2 mission phase, which took place between 2016-04-06 and 2016-06-30.
PRODUCER_FULL_NAME ANDREW J. STEFFL
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