ROSAT ivo://nasa.heasarc/rosmaster NASA/GSFC HEASARC MPE; HEASARC 2026-04-17 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Observation This database table contains the list of all Röntgen Satellite (ROSAT) X-Ray Telescope (XRT) pointing-mode observations for which data sets are available, i.e., it excludes the ROSAT All-Sky Survey observations. Users should consult the RASSMASTER database table for those XRT observations which were made in scanning mode during the ROSAT All-Sky Survey (RASS) phase (30 July 1990 to 25 January 1991, and 3 August 1991 to 13 August 1991). For each observation listed in this table, parameters such as the focal-plane instrument used, the data processing site, and the target name and coordinates are given, as well as the ROSAT Observation Request (ROR) number, the actual and requested exposure times, the date(s) on which the observation took place, etc. For details about the ROSAT instruments, consult the ROSAT Guest Observer Facility (GOF) website at <a href="https://heasarc.gsfc.nasa.gov/docs/rosat/">https://heasarc.gsfc.nasa.gov/docs/rosat/</a>. A list of the available online ROSAT documentation can be found at <a href="https://heasarc.gsfc.nasa.gov/docs/rosat/rosdocs.html">https://heasarc.gsfc.nasa.gov/docs/rosat/rosdocs.html</a>. This table was created by the HEASARC in July 2004 by combining the data from two long-standing HEASARC Browse tables into one master table. It was updated by the HEASARC in March 2022 to add start and end times for the 157 sequence IDs which did not already have start and end times. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/rosmaster.html Archive Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=rosmaster& GET text/xml 180 99999 true 49.32 -85.54 1 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=rosmaster GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_rosmaster&Action=More+Options&Action=Parameter+Search&ConeAdd=1 https://heasarc.gsfc.nasa.gov/xamin/vo/sia?table=rosmaster& GET text/xml+votable POS Search Position in the form "ra,dec" where ra and dec are given in decimal degrees in the ICRS coordinate system. degrees real SIZE Size of search region in the RA and Dec. directions. degrees real FORMAT Requested format of images. string CFRAME Coordinate frame: ICRS, FK5, FK4, GAL, ECL string EQUINOX Equinox used in FK4 or FK5 frames. real Cutout 360.0 180.0 360.0 180.0 5000 10000000 500 49.32 -85.54 1 1 https://heasarc.gsfc.nasa.gov/xamin/vo/sia?table=rosmaster& GET text/xml+votable POS Search Position in the form "ra,dec" where ra and dec are given in decimal degrees in the ICRS coordinate system. Cutout 49.32 -85.54 1 1 ROSAT 1 X-ray public rosmaster ROSAT Archival Data seq_id Sequence Identifier (e.g. RP123456N00) meta.id;obs.sequence char nullable instrument Instrument Used: PSPC or HRI instr;instr.det char nullable exposure Actual Exposure Time (s) s time.duration;obs.exposure int nullable name Target 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 start_time Date/Time Observation Began mjd time.start;obs double nullable end_time Date/Time Observation Ended 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 rday_begin ROSAT Day Number (2 June 1990=1) of Observation Start d time.start;obs int nullable fits_type FITS Type: RDF, PROS, EXSAS meta.dataset;meta.fits char nullable subj_cat Subject Category src.class short nullable qa_number Data Set Identification Number meta.code int nullable pi_fname Principal Investigator First Name meta.id.PI char nullable index_id Index Identifier meta.id;obs char nullable lii Galactic Longitude degree pos.galactic.lon double nullable title Title of Proposal meta.title;obs char nullable ror ROSAT Observation Request meta.id;obs int nullable filter Flag [Y] Indicates Filter Was Used instr;instr.filter char nullable ao ROSAT Proposal Cycle of Observation obs.proposal.cycle short nullable pi_lname Principal Investigator Last Name meta.id.PI char nullable proposal_number Proposal Number meta.id int nullable bii Galactic Latitude degree pos.galactic.lat double nullable class Browse Object Classification src.class short nullable requested_exposure Requested Observing Time (s) s time.duration;obs.exposure int nullable site Processing Site: GSFC or MPE meta.id;instr.obsty char nullable rday_end ROSAT Day Number (2 June 1990=1) of Observation End d time.end;obs int nullable roll Roll Angle degree instr.param;pos.posAng short nullable proc_rev Revision Level of the Processing meta.version;meta.dataset short nullable