OSO8RTRAW ivo://nasa.heasarc/oso8rtraw NASA/GSFC HEASARC HEASARC 2026-10-09 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Observation The Orbiting Solar Observatory-I (OSO-8) was launched on 21 June 1975 into a 550 km circular orbit at 33 degrees inclination. Data were obtained from the mission until late September 1978. The spacecraft structure consisted of a rotating cylindrical base section called the "wheel" and a non-spinning upper section called the "sail". While the primary objectives of the mission were solar in nature, there were 3 detectors, the GSFC Cosmic X-ray Spectroscopy experiments (GCXSE detectors A, B and C), mounted in the rotating wheel which had exclusively non-solar objectives. Their fields-of-view were either aligned to the spin axis or at small angles to it, hence they always view the portion of the sky at right angles to the earth-sun line. This database accesses the raw rates FITS datafile for the A, B and C GCXSE detectors, accumulated every 160 ms in the 2-60 keV energy band. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/oso8rtraw.html Archive Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=oso8rtraw& GET text/xml 180 99999 true 3.4122399 -80.742256 1 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=oso8rtraw GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_oso8rtraw&Action=More+Options&Action=Parameter+Search&ConeAdd=1 OSO8 1 X-ray public oso8rtraw OSO8 GCXSE Raw Rates filename Raw Rates Data Product Filename meta.id;meta.main char nullable ra Right Ascension of the First Point degree pos.eq.ra;meta.main double nullable dec Declination of the First Point degree pos.eq.dec;meta.main double nullable start_time Start Date of Observation mjd time.start;obs double nullable end_time End Date 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 ra_middle Right Ascension of the Mid-Point degree pos.eq.ra double nullable dec_end Declination of the Last Point degree pos.eq.dec double nullable bii Galactic Latitude degree pos.galactic.lat double nullable ra_difference RA Difference: First and Last Point degree phys.angSize double nullable spin_direction Spin Direction meta.code;pos char nullable a_avg_count Average Counts for the A Detector phot;em.X-ray double nullable b_avg_count Average Counts for the B Detector phot;em.X-ray double nullable start_date Start Date of Observation (DD/MM/YY HH:MM:SS) time.start;obs char nullable c_avg_count Average Counts for the C Detector phot;em.X-ray double nullable dec_difference DEC Difference: First and Last Point degree phys.angSize double nullable dec_middle Declination of the Mid-Point degree pos.eq.dec double nullable num_rows Number of Row in the FITS File int nullable ra_end Right Ascension of the Last Point degree pos.eq.ra double nullable end_date End Date of Observation (DD/MM/YY HH:MM:SS) time.end;obs char nullable lii Galactic Longitude degree pos.galactic.lon double nullable