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VizieR

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J/ApJS/192/10/table4 Chandra ACIS survey in 383 nearby galaxies. I. (Liu, 2011)
X-ray point sources in nearby galaxies (17559 rows)
  recno=14919
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ColumnValue  Explain   (UCD)
_RAJ200022 37 03.30500 "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+34 25 53.1500 "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)
_RAB195022 34 45.87144 "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+34 10 17.9494 "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)
_Glon093.72837909 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-20.70930701 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)
14919recno 14919  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group151   [1/320] Group number (meta.id)
CXOJ223703.305+342553.15  (i) Source name (JHHMMSS.sss+DDMMSS.ss) (linked to individual observations ) (Note 1)   (meta.id;meta.main)

U   U indicates an ultraluminous X-ray source, S an ultraluminous supersoft X-ray source (meta.ref.url)

ePos 1.00 arcsec Source positional uncertainty (Note 2)   (stat.error;pos)
NameNGC7331-X41  Galatic source name (Note 3)   (meta.id)
alpha 0.819 arcmin Galactic source nuclear separation (pos.angDistance)
r25 0.21   Galactic source nuclear separation (Note 4)   (pos.angDistance)
Dist 14.52 Mpc Distance to source (pos.distance;pos.heliocentric)
V/D1/1  Ratio of time source was observed to detected (meta.number)
LX 1.110e+38 10-7W Maximum computed luminosity; in erg/s (phys.luminosity;em.X-ray)
FX 4.38e-15 mW/m2 Average computed X-ray flux; in erg/s/cm2 (phot.flux;em.X-ray)
F/F 1.0  The Fmax/Fmin flux ratio (Note 5)   (phot.flux;arith.ratio)
E_F/F    Positive error in F/F (stat.error;stat.max)
e_F/F    Negative error in F/F (stat.error;phys.abund)
Sigmax 5.7  Maximum detection significance (stat.likelihood;obs)
Cmax 15.1  Maximum photon counts from detections (phot.count;em.X-ray)
SQHh1  Phase statistics (Note 6)   (src.class)
PKS   K-S criterion variability statistics (Note 7)   (stat.fit.goodness;src.var)
Note   Source identification (Note 8)   (meta.note)

_RA339.263771 deg (i) Positions from CXO names (right ascension part) (pos.eq.ra;meta.main)
_DE+34.431431 deg (i) Positions from CXO names (declination part) (pos.eq.dec;meta.main)
  
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