VizieR

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VizieR

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IX/10A/cor_ned ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
1RXS Correlation to NED (38670 rows)
  recno=26992
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ColumnValue  Explain   (UCD)
_RAJ200013 59 10.200 "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+27 59 27.96 "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)
_RAB195013 56 54.003 "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+28 13 59.83 "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)
_Glon040.137501 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+74.975614 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)
26992recno 26992  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ135915.9+275824  1RXS source name (meta.id;meta.main)
Rank 9  Rank in correlation list for the source (stat.correlation)
sourceIDABELL 1831B  Source identification (meta.id)
RAJ2000209.7925 deg (i) [0/360] Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+27.9911 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
Sep 99 arcsec Separation (pos.angDistance)
PA310 deg [0/360] Position angle (pos.posAng)
r_sourceIDNED  Source catalogue (see file "refs.dat") (meta.ref;pos.frame)
bandPoso   [giorx] Origin of the source position (Note 1)   (instr.bandwidth)
TypeGClst  Type or class of object (src.class)
fxfopt    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  mag Visual magnitude (phot.mag;em.opt.V)
n_vmag/   [:/+] : => Uncertainty flag on vmag / => interval of magnitude + => 18+ ??? (meta.note)
vmag2    Second value of vmag when interval (phot.mag;em.opt.V)
u_vmag2?   [?] Uncertainty flag on vmag2 (meta.code.error)
z 0.0733   Redshift (src.redshift)
l_NED-flux   Limit flag on NED-flux (meta.code.error;phot.flux)
NED-flux  mJy Radio flux density or IR flux density in the band given in fl-band (phot.flux.density;em.radio)
fl-band  mum Frequency band or wavelength band used for flux given in NED-flux (Radio [GHz], IR [mJy] for NED) (em.freq)
l_Size   Limit flag on Size (meta.code.error;phys.angSize)
Size  arcmin Size of object (phys.angSize)
u_Size   Uncertainty flag on Size (meta.code.error;phys.angSize)
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)

NEDNED  Query NED around the position (meta.ref.url)
SIMBADSIMBAD  Query SIMBAD around the position (meta.ref.url)
  
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