VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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J/A+A/406/535/optical Hamburg/RASS Cat. of optical ident. V3.0 (Zickgraf+, 2003)
Optical data (13829 rows)
  recno=1
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ColumnValue  Explain   (UCD)
_RAJ200000 00 07.000 "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+08 16 44.00 "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)
_RAB195023 57 33.277 "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+08 00 02.00 "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)
_Glon101.785199 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-52.472959 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)
1recno 1  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RXJ0000.1+0816  Name of the X-ray source (meta.id;meta.main)
OC+   [+] + for proposed optical counterpart (meta.code)
NOpt 1  Running number of objects visible in the error circle ([ZEH2003] RX JHHMM.m+DDMM NN>) (meta.id)
n_NOpt    [P] (meta.note)
RA200000 00 07.0 "h:m:s" (i) Right ascension (2000.0) (pos.eq.ra;meta.main)
DE2000+08 16 44 "d:m:s" (i) Declination (2000.0) (pos.eq.dec;meta.main)
oRA 0 arcsec X-ray position - optical position in right ascension (pos.eq.ra;arith.diff)
oDE 10 arcsec X-ray position - optical position in declination (pos.eq.dec;arith.diff)
rXO 10 arcsec Distance between X-ray and optical position (pos.angDistance)
l_Bmag   Limit flag on Bmag (Note 1)   (meta.code.error)
Bmag18.3 mag Optical magnitude B (no entry means no B magnitude available) (phot.mag;em.opt.B)
n_Bmage   [uep:] Note on Bmag (Note 2)   (meta.note)
B-R 2.7 mag B-R colour index from USNA-A 2.0 Catalog (I/252) (phot.color;em.opt.B;em.opt.R)
ClassGALAXY  Classification from objective prism spectrum (Note 3)   (src.class)
Note   Note when no position (meta.note)
  
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