VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=2512
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ColumnValue  Explain   (UCD)
_RAJ200008 11 02.681 "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+76 02 26.53 "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)
_RAB195008 04 39.702 "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+76 11 17.00 "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)
_Glon138.282644 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+31.037623 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)
2512recno 2512  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM1919   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 5336  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195008 04 39.7 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+76 11 17 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 38 arcsec Positional error (arcsec) (stat.error)
Crate 0.32600 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01900 ct/s Error on the count rate (stat.error)
LivTime 1303.4 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 308.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 4.8  Background counts in the detect cell (instr.background)
S/N 17.4  Signal to noise ratio for the detection (stat.snr)
SizCor 1.4  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 5.5 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag Q  Reference and identification flag (Note 5)   (meta.ref)
  
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