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IX/10A/cor_ned ROSAT All-Sky Bright Source Catalogue (1RXS) (Voges+ 1999)
1RXS Correlation to NED (38670 rows)
  recno=2665
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ColumnValue  Explain   (UCD)
_RAJ200000 42 44.3 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 16 09 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 40 00.1 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+40 59 44 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.1742 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.5729 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
2665recno 2665  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)
Rank 65  Rank in correlation list for the source (stat.correlation)
sourceIDMESSIER 031  Source identification (meta.id)
RAJ2000010.6846 deg [0/360] Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+41.2692 deg Declination (J2000) (pos.eq.dec;meta.main)
Sep 44 arcsec Separation (pos.angDistance)
PA 39 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)
TypeGalaxy  Type or class of object (src.class)
fxfopt-3.93   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 4.360 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-0.0010   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)
Size190.000 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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