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=20893
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ColumnValue  Explain   (UCD)
_RAJ200008 55 23.160 "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+70 47 41.28 "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)
_RAB195008 50 28.979 "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+70 59 07.48 "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)
_Glon143.210615 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+35.544444 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)
20893recno 20893  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ085527.8+704724  1RXS source name (meta.id;meta.main)
Rank 10  Rank in correlation list for the source (stat.correlation)
sourceIDGJ 325  Source identification (see also r_sourceID) (meta.id)
RAJ2000133.8465 deg (i) [0/360] Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+70.7948 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
Sep 28 arcsec Separation (pos.angDistance)
PA307 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-3.62   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 8.10 mag Visual magnitude (phot.mag;em.opt.V)
bmag 9.50 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)
ComK5V+.  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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