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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=1765
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ColumnValue  Explain   (UCD)
_RAJ200000 42 31.0 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 13 34 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 39 46.8 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+40 57 08 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.1277 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.6144 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
1765recno 1765  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004241.8+411535  1RXS source name (meta.id;meta.main)
Rank296  Rank in correlation list for the source (stat.correlation)
sourceIDACH 2  Source identification (see also r_sourceID) (meta.id)
RAJ2000010.6291 deg [0/360] Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+41.2261 deg Declination (J2000) (pos.eq.dec;meta.main)
Sep172 arcsec Separation (pos.angDistance)
PA225 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)
Typegalaxy  Type or class of object (src.class)
fxfopt 1.52   Ratio of X-ray to optical flux f_X / f_opt (phot.flux;arith.ratio)
l_vmag   Limit flag on vmag (meta.code.error)
vmag17.91 mag Visual magnitude (phot.mag;em.opt.V)
bmag19.28 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)
Com   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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