PDS_VERSION_ID = "PDS3" PRODUCT_VERSION_ID = "V1.05" DATA_SET_ID = "LRO-L-LOLA-4-GDR-V1.0" PRODUCT_ID = "LPSR_75N_120M_201608" INSTRUMENT_HOST_NAME = "LUNAR RECONNAISSANCE ORBITER" INSTRUMENT_NAME = "LUNAR ORBITER LASER ALTIMETER" INSTRUMENT_ID = "LOLA" MISSION_PHASE_NAME = {"COMMISSIONING","NOMINAL MISSION","SCIENCE MISSION","EXTENDED SCIENCE MISSION"} TARGET_NAME = MOON START_TIME = 2009-07-13T17:33:17.246 STOP_TIME = 2013-07-18T14:12:13 PRODUCT_CREATION_TIME = 2016-09-15T00:00:00 PRODUCER_ID = LRO_LOLA_TEAM PRODUCER_FULL_NAME = "DAVID E. SMITH" PRODUCER_INSTITUTION_NAME = "GODDARD SPACE FLIGHT CENTER" DESCRIPTION = "This data product is a map of the permanently shadowed regions (PSRs) in the lunar North Pole. The map resolution is 120m/pix by 120m/pix, true at the pole in polar stereographic (spherical) projection. Calculations are based on LOLA topographic data and are described in [MAZARICOETAL2011]. The values are binary, indicating whether a pixel is in permanent shadow (1) or not (0). Note a scaling was applied. This label describes an IMG file in the form of a binary resampling with pixel registration. " OBJECT = UNCOMPRESSED_FILE FILE_NAME = "LPSR_75N_120M_201608.IMG" RECORD_TYPE = FIXED_LENGTH FILE_RECORDS = 7624 RECORD_BYTES = 15248 ^IMAGE = "LPSR_75N_120M_201608.IMG" OBJECT = IMAGE NAME = PERMANENT_SHADOW DESCRIPTION = "Each sample is a binary value that indicates whether that location is in permanent shadow (DN=+20000, scaling to 1) or not (DN=-20000, scaling to 0)." LINES = 7624 LINE_SAMPLES = 7624 DERIVED_MINIMUM = -20000 DERIVED_MAXIMUM = 20000 SAMPLE_TYPE = LSB_INTEGER SAMPLE_BITS = 16 UNIT = NONE SCALING_FACTOR = 0.000025 OFFSET = 0.5 /* NOTE: */ /* The conversion from Digital Number to the PERMANENT_SHADOW flag is: */ /* PERMANENT_SHADOW = (DN * SCALING_FACTOR) + OFFSET */ END_OBJECT = IMAGE END_OBJECT = UNCOMPRESSED_FILE OBJECT = IMAGE_MAP_PROJECTION ^DATA_SET_MAP_PROJECTION = "DSMAP_POLAR.CAT" MAP_PROJECTION_TYPE = "POLAR STEREOGRAPHIC" KEYWORD_LATITUDE_TYPE = "PLANETOCENTRIC" MAP_RESOLUTION = 252.695 A_AXIS_RADIUS = 1737.4 B_AXIS_RADIUS = 1737.4 C_AXIS_RADIUS = 1737.4 FIRST_STANDARD_PARALLEL = 'N/A' SECOND_STANDARD_PARALLEL = 'N/A' POSITIVE_LONGITUDE_DIRECTION = "EAST" CENTER_LATITUDE = 90 CENTER_LONGITUDE = 0 REFERENCE_LATITUDE = 'N/A' REFERENCE_LONGITUDE = 'N/A' LINE_FIRST_PIXEL = 1 LINE_LAST_PIXEL = 7624 SAMPLE_FIRST_PIXEL = 1 SAMPLE_LAST_PIXEL = 7624 MAP_PROJECTION_ROTATION = 0.0 MAP_SCALE = 120 MAXIMUM_LATITUDE = 90 MINIMUM_LATITUDE = 75 WESTERNMOST_LONGITUDE = 'N/A' EASTERNMOST_LONGITUDE = 'N/A' LINE_PROJECTION_OFFSET = 3811.5 SAMPLE_PROJECTION_OFFSET = 3811.5 COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" COORDINATE_SYSTEM_NAME = "MEAN EARTH/POLAR AXIS OF DE421" END_OBJECT = IMAGE_MAP_PROJECTION END