VizieR

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VizieR

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IX/6/data Positions of X-Ray Sources, 2nd ed. (Dolan 1983)
X-ray position list (704 rows)
  recno=643
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ColumnValue  Explain   (UCD)
_RAJ200020 32 26.07 "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+40 57 28.6 "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)
_RAB195020 30 37.92 "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+40 47 13.2 "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)
_Glon079.84617 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+00.69943 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)
643recno 643  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

4U2030+40  Number of the source in the Uhuru 4U Catalog (meta.id;meta.main)
AltCYG X-3  Other names of the source (Note)   (meta.id)
Note103  Note in notes file. (Note)   (meta.note)
RAB1950307.658 deg (i) Right ascension (B1950) in degrees (pos.eq.ra;meta.main)
DEB1950+40.787 deg (i) Declination in degrees (equinox 1950) (pos.eq.dec;meta.main)
GLON 79.85 deg Galactic longitude, l(II), degrees (Note)   (pos.galactic.lon)
GLAT 0.70 deg Galactic latitude, b(II), degrees (Note)   (pos.galactic.lat)
Uflux 700 10fW/m2 4U (2-6kev) flux (in 10–11erg/cm2/s) (Note)   (phot.flux;em.X-ray)
Osrc   Name of optical counterpart (Note)   (meta.id)
Vmag  mag Magnitude of counterpart, V (see n_Vmag) (Note)   (phot.mag;em.opt)
n_Vmag    [ *V] Type of magnitude (Note)   (meta.note)
OTypeS   [A CGHPQRST+] Type of object (Note)   (src.class)

SimbadSimbad  ask the Simbad data-base about this object
_RA.icrs308.109 deg (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra;meta.main)
_DE.icrs+40.958 deg (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec;meta.main)
  
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