SAS2MAPS ivo://nasa.heasarc/sas2maps NASA/GSFC HEASARC HEASARC 2026-04-24 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Image This database is a collection of maps created from the 28 SAS-2 observation files. The original observation files can be accessed within BROWSE by changing to the SAS2RAW database. For each of the SAS-2 observation files, the analysis package FADMAP was run and the resulting maps, plus GIF images created from these maps, were collected into this database. Each map is a 60 x 60 pixel FITS format image with 1 degree pixels. The user may reconstruct any of these maps within the captive account by running FADMAP from the command line after extracting a file from within the SAS2RAW database. The parameters used for selecting data for these product map files are embedded keywords in the FITS maps themselves. These parameters are set in FADMAP, and for the maps in this database are set as 'wide open' as possible. That is, except for selecting on each of 3 energy ranges, all other FADMAP parameters were set using broad criteria. To find more information about how to run FADMAP on the raw event's file, the user can access help files within the SAS2RAW database or can use the 'fhelp' facility from the command line to gain information about FADMAP. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/sas2maps.html Catalog Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=sas2maps& GET text/xml 180 99999 true 5.7530982 62.4489803 20 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=sas2maps GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_sas2maps&Action=More+Options&Action=Parameter+Search&ConeAdd=1 SAS-2 20 Gamma-ray public sas2maps SAS-2 Map Product Catalog name Object Designation meta.id;meta.main char nullable ra Right Ascension degree pos.eq.ra;meta.main double nullable dec Declination degree pos.eq.dec;meta.main double nullable e_min Minimum Energy MeV float nullable e_max Maximum Energy MeV float nullable "time" Start Time of Observation mjd time.start;obs double nullable end_time Stop Time of Observation mjd time.end;obs double nullable "__x_ra_dec" System unit vector column double nullable "__y_ra_dec" System unit vector column double nullable "__z_ra_dec" System unit vector column double nullable "__row" System index column char nullable observation_id Original Observation Number char nullable bii Galactic Latitude degree pos.galactic.lat double nullable exposure Actual Detector Exposure Time s time.duration;obs.exposure double nullable class Browse Object Classification src.class short nullable photons Number of Photons int nullable telapse Elapsed Time of Observation s double nullable lii Galactic Longitude degree pos.galactic.lon double nullable file_image FITS File Name char nullable