urn:nasa:pds:magellan_gravity:images:geoiderr 1.0 1.20.0.0 Product_Observational 2023-09-06 1.0 Product migrated to PDS4 from PDS3. Magellan Mission urn:nasa:pds:context:investigation:mission.magellan data_to_investigation Magellan Host urn:nasa:pds:context:instrument_host:spacecraft.mgn is_instrument_host Radio Science Subsystem Instrument urn:nasa:pds:context:instrument:mgn.rss is_instrument Venus Planet urn:nasa:pds:context:target:planet.venus data_to_target SHXDR Image_Object cartography_parameters_to_image_object -120.0 240.0 90.0 -90.0 Equirectangular 0 0 0 Coordinate Pair 105623.83567219283 105623.83567219283 1.0 1.0 -12674860.28066314 9506145.210497355 Planetocentric Venus (2015) - Sphere 6051800 6051800 6051800 Positive East Image_Object display_settings_to_array Sample Left to Right Line Top to Bottom geoiderr.img This file contains a digital, 1 X 1 degree resolution map of the error in the Geoid of Venus. This error map was computed by projecting the full covariance of the SHG120 gravity solution onto the surface of the planet. The errors range from ~0.1 to 2.3 meters. It is a 360 x 180 grid from 89.5 to -89.5 degrees latitude, and 240 to 240 degrees longitude, increasing from west to east. Image_Object 0 2 Last Index Fastest A byte-scaled image showing the error in the Geoid of Venus. The following algorithm translates the error in the Geoid to an image DN: DN = (GEOID ERROR [METERS] - 0.14) / 0.0084 UnsignedByte meter 0.0084 -0.14 Line 180 1 Sample 360 2 geoiderr.lbl 0 PDS3 Original PDS3 label Carriage-Return Line-Feed