VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=3573
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ColumnValue  Explain   (UCD)
_RAJ200012 48 49.772 "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)
_DEJ2000-41 18 28.06 "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)
_RAB195012 46 04.001 "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)
_DEB1950-41 02 07.00 "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)
_Glon302.405228 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+21.561288 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)
3573recno 3573  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM2862   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 6057  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195012 46 04.0 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-41 02 07 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 48 arcsec Positional error (arcsec) (stat.error)
Crate 0.39700 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01600 ct/s Error on the count rate (stat.error)
LivTime 8183.8 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 1378.8  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 833.2  Background counts in the detect cell (instr.background)
S/N 24.1  Signal to noise ratio for the detection (stat.snr)
SizCor 6.4  Size correction factor (Note 2)   (arith.factor)
RECode 100  Ribs and edges code (Note 3)   (meta.code)
OffAxis 25.7 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AL   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag   Reference and identification flag (Note 5)   (meta.ref)
  
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