PDS_VERSION_ID = PDS3 LABEL_REVISION_NOTE = "2016-01-04, M. Barthelemy creation." RECORD_TYPE = STREAM OBJECT = DATA_SET DATA_SET_ID = "RO-C-NAVCAM-2-ESC3-MTP021-V1.0" OBJECT = DATA_SET_REFERENCE_INFORMATION REFERENCE_KEY_ID = "N/A" END_OBJECT = DATA_SET_REFERENCE_INFORMATION OBJECT = DATA_SET_INFORMATION DATA_SET_NAME = " ROSETTA-ORBITER 67P NAVCAM 2 COMET ESCORT 3 MTP021 V1.0" DETAILED_CATALOG_FLAG = "N" DATA_OBJECT_TYPE = {IMAGE,HEADER} START_TIME = 2015-09-22T23:25:00 STOP_TIME = 2015-10-20T23:25:00 DATA_SET_RELEASE_DATE = 2016-01-31 PRODUCER_FULL_NAME = "BERNHARD GEIGER" ARCHIVE_STATUS = "IN LIEN RESOLUTION" ABSTRACT_DESC = "This dataset contains ROSETTA NAVCAM RAW DATA of the Escort Phase 3 from 22nd Sep 2015 to 20th Oct 2015 when at the vicinity of target 67P/CG." DATA_SET_DESC = " ====================================================================== Data Set Overview: ====================================================================== The data from the Rosetta Navigation Camera (NavCam) was extracted by Bernhard Geiger; the data set was constructed and submitted by Maud Barthelemy on behalf of the Planetary Science Archives (PSA). The data have been observed and measured from 22nd Sep 2015 to 20th Oct 2015. The frequency of the navigation slots was of one image every five hours, with interruption by manoeuvres. One slot was skipped every half week. 124 images were taken. In addition 253 context images and 12 calibration images were taken, which makes a total of 389 images. There was no lost or incomplete navigation images. There was no lost context images but one context images was taken with lost rows. The orbiter started the MTP in the terminator plane at 330km. Then, an excursion at 1500km was planed at a minimum phase angle of 50 degrees. At the end of the MTP, the orbiter returned from excursion at 420km and 65 degrees phase angle. All images in this data set are raw and uncalibrated data taken using the imaging mode. The data set contains images resolved using both NavCams onboard the Rosetta S/C and the DATA directory is organised to reflect this with two sub directories: - CAM1 - CAM2 CAM2 directory is only present if CAM2 observations are done. After hibernation exit CAM2 was only switched on to confirm its health status in a check-out. During the comet escort phase CAM2 will only be used in the case of a failure of the nominal camera CAM1. For each image, the user can also find the FITS format of the observation. ====================================================================== Filename Convention: ====================================================================== The filenaming convention for all data levels is given by: __. ROS CAM1 YYYYMMDDThhmmss IMG CAM2 LBL (JPG) Examples: ROS_CAM1_20140223T081016.IMG ROS_CAM1_20140223T081016.LBL ROS_CAM1_20140223T081016F.FIT ROS_CAM1_20140223T081016F.LBL (ROS_CAM1_20140223T081016.JPG) ROS_CAM2_20140223T094017.IMG ROS_CAM2_20140223T094017.LBL ROS_CAM2_20140223T094017F.FIT ROS_CAM2_20140223T094017F.LBL (ROS_CAM2_20140223T094017.JPG) (In the case of the BROWSE directory) ====================================================================== Geometry Information - Coordinate System: ====================================================================== The label files include the following geometric variables: - SC SUN POSITION VECTOR: The vector from the spacecraft to the Sun in equatorial J2000 inertial frame. - SC TARGET POSITION VECTOR: The vector from the spacecraft to the centre of the comet nucleus in equatorial J2000 inertial frame. - SC TARGET VELOCITY VECTOR: The spacecraft to comet nucleus velocity vector in in equatorial J2000 inertial frame. - TARGET CENTER DISTANCE: The distance between the spacecraft and the comet nucleus centre. (Note that also for checkout and stellar calibration images the comet nucleus distance is given here.) - SUB SPACECRAFT LATITUDE and SUB SPACECRAFT LONGITUDE: The latitude and longitude of the sub-spacecraft point derived from the Flight Dynamics body-fixed reference frame implicitly specified by the information provided in the comet attitude file CATT. - RIGHT ASCENSION and DECLINATION: Right Ascension and Declination of the camera boresight direction in equatorial J2000 inertial frame. - CELESTIAL NORTH CLOCK ANGLE: The direction of celestial north at the center of the image - measured from the upward direction, clockwise to the direction toward celestial north. - SOLAR ELONGATION: The angle between the line of sight of observation and the direction of the Sun. All geometric values are calculated for the time t = IMAGE TIME (and not START TIME). ====================================================================== " CONFIDENCE_LEVEL_NOTE = "All data have been validated by ESA and found as expected. Any exceptions are noted by the DATA_QUALITY field in the label files." CITATION_DESC = "Geiger, B. and M. Barthelemy, ROSETTA ORBITER NAVCAM ESC3-MTP021, RO-C-NAVCAM-2-ESC3-MTP021-V1.0, ESA Planetary Science Archive and NASA Planetary Data System, 2016." DATA_SET_COLLECTION_MEMBER_FLG = "N" DATA_SET_TERSE_DESC = "This dataset contains ROSETTA NAVCAM RAW DATA of the Escort Phase. Included are ESC3-MTP021 data from 22 Sep 2015 to 20 Oct 2015." END_OBJECT = DATA_SET_INFORMATION OBJECT = DATA_SET_TARGET TARGET_NAME = "67P/CHURYUMOV-GERASIMENKO 1 (1969 R1)" END_OBJECT = DATA_SET_TARGET OBJECT = DATA_SET_TARGET TARGET_NAME = "ALPHA LYR" END_OBJECT = DATA_SET_TARGET OBJECT = DATA_SET_TARGET TARGET_NAME = "ZETA CAS" END_OBJECT = DATA_SET_TARGET OBJECT = DATA_SET_MISSION MISSION_NAME = "INTERNATIONAL ROSETTA MISSION" END_OBJECT = DATA_SET_MISSION OBJECT = DATA_SET_HOST INSTRUMENT_HOST_ID = RO INSTRUMENT_ID = NAVCAM END_OBJECT = DATA_SET_HOST END_OBJECT = DATA_SET END