VizieR

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VizieR

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J/ApJS/96/303/table1 Calibrating Broad Band X-ray Telescope (Weaver+ 1995)
Broad Band X-Ray Telescope (BBXRT) observation Log (155 rows)
  recno=5
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ColumnValue  Explain   (UCD)
_RAJ200020 32 25.83 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+40 57 28.6 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195020 30 37.68 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+40 47 13.2 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon079.84572 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+00.70004 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
5recno 5  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SourceCYG X-3  Source name (meta.id;meta.main)
RA1950307.6570 deg (i) Nominal right ascension (1950.0) (pos.eq.ra;meta.main)
DE1950+40.787 deg (i) Nominal declination (1950.0) (pos.eq.dec;meta.main)
DRA  deg Offset in right ascension (Note 1)   (pos.eq.ra;arith.diff)
DDE  deg Offset in declination (Note 1)   (pos.eq.dec;arith.diff)
Roll241.0 deg Roll angle of the A-system telescope (phi) (Note 2)   (instr.param)
Start 2.7306 d Start time of MET measured from 1990 December 2, 06:49:01 UT (time.epoch)
ExpTime 384.9 s Exposure time (time.duration;obs.exposure)
D/N N   [MND B] Indicator of shuttle day or night (Note 3)   (instr.setup)
GR1136.1  Mean detector guard rate (Note 4)   (instr.param)
Angle 2.7 arcmin Average off-axis angle (Note 5)   (instr.offset;stat.mean)
Rate 240.63 ct/s Total count rate in all 10 pixels. (phot.count;em.X-ray)
ClassLMXB  Type of object. (src.class)

_RA.icrs308.1076 deg (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+40.958 deg (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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