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J/AJ/126/2740/table1 X-ray emission of RASS Abell clusters (Ledlow+, 2003)
X-ray Properties of Nearby Abell Cluster Sample (579 rows)
  recno=349
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ColumnValue  Explain   (UCD)
_RAJ200013 59 10.100 "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 28.00 "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)
_RAB195013 56 53.903 "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 59.88 "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)
_Glon040.137527 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+74.975982 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)
349recno 349  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

AbellA1831  Abell cluster identification (meta.id;meta.main)
f_Abell    [*4] Flag on Abell (Note 1)   (meta.code.error)
z 0.0615  Redshift (src.redshift)
Exp 443  Mean RASS exposure time (time.duration;obs.exposure)
RAJ200013 59 10.1 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+27 59 28 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Off  kpc Offset X-ray peak projected distance from Abell's position (Note 2)   (pos.distance)
l_FX   Limit flag on FX (meta.code.error)
FX  10-15W/m2 Peak X-ray flux (10–12erg/s/cm2) within a 500(h75)–1kpc aperture (phot.flux;em.X-ray)
e_FX  10-15W/m2 Error in FX (stat.error)
l_LX   Limit flag on LX (meta.code.error)
LX 3.20 10+36W Luminosity in units of 1043erg/s (Note 3)   (phys.luminosity;em.X-ray)
e_LX 0.23 10+36W Error in LX (stat.error)
F500    The 500/62.5(h75)–1kpc aperture flux ratio (phot.flux;arith.ratio)
S/N 21.4   Signal to noise (Note 4)   (stat.snr)
S/Nmax    Maximum signal to noise (stat.snr)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
NEDNED  ask the NED data-base about this object (meta.ref)
  
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