VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=4492
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ColumnValue  Explain   (UCD)
_RAJ200016 17 43.254 "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+32 22 34.76 "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)
_RAB195016 15 47.700 "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+32 29 51.00 "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)
_Glon052.656729 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+45.344757 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)
4492recno 4492  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3637   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 6319  Sequence number for the observation (meta.id)
FLDNUM 3  Field number of the source (obs.field)
RA195016 15 47.7 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+32 29 51 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 32 arcsec Positional error (arcsec) (stat.error)
Crate 0.03170 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00280 ct/s Error on the count rate (stat.error)
LivTime 6412.0 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 151.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 21.8  Background counts in the detect cell (instr.background)
S/N 11.5  Signal to noise ratio for the detection (stat.snr)
SizCor 1.0  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 0.2 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag   Reference and identification flag (Note 5)   (meta.ref)
  
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