VizieR

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VizieR

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IX/10A/cor_pri ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
1RXS Correlation to PRI, RITTER, SIMBAD, TYCHO, EUVE (54935 rows)
  recno=28748
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ColumnValue  Explain   (UCD)
_RAJ200012 19 06.552 "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+16 32 54.96 "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)
_RAB195012 16 34.345 "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+16 49 33.83 "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)
_Glon265.995766 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+77.040010 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)
28748recno 28748  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ121906.8+163259  1RXS source name (meta.id;meta.main)
Rank 7  Rank in correlation list for the source (stat.correlation)
sourceIDHD 107146  Source identification (see also r_sourceID) (meta.id)
RAJ2000184.7773 deg (i) [0/360] Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+16.5486 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
Sep 6 arcsec Separation (pos.angDistance)
PA216 deg [0/360] Position angle (pos.posAng)
r_sourceIDSIMBAD  Source catalogue (see file "refs.dat") (meta.ref;pos.frame)
bandPoso   [oexr] Origin of the source position (Note 1)   (instr.bandwidth)
Typestar  Type or class of object (src.class)
fxfopt-3.38   Ratio of X-ray to optical flux f_X / f_opt (phot.flux;arith.ratio)
l_vmag   Limit flag on vmag (meta.code.error)
vmag 7.07 mag Visual magnitude (phot.mag;em.opt.V)
bmag 7.69 mag Blue magnitude (phot.mag;em.opt.B)
rmag  mag Red magnitude (phot.mag;em.opt.R)
b-r  mag (blue-red) colour (phot.color;em.opt.B;em.opt.R)
b-v  mag (blue-visual) colour (phot.color;em.opt.B;em.opt.V)
u-b  mag (ultraviolet-blue) colour (phot.color;em.opt.U;em.opt.B)
var   Variability flag (meta.code;src.var)
n_z    [*>] Note on z (meta.note)
z    Redshift (from PRI or SIMBAD) (src.redshift)
Vr  km/s Radial velocity (from SIMBAD only) (spect.dopplerVeloc)
dist  kpc Distance (pos.distance;pos.heliocentric)
ComG2V U  Comments (meta.note)
IncDate1999-02-15 "Y:M:D" Date when source was included (time.epoch)
UpdDate  "Y:M:D" Date when source properties were changed (time.epoch)
  
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