VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=1737
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ColumnValue  Explain   (UCD)
_RAJ200005 35 25.047 "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)
_DEJ2000-05 54 36.34 "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)
_RAB195005 32 58.201 "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)
_DEB1950-05 56 29.00 "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)
_Glon209.520440 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-19.587017 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)
1737recno 1737  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM1377   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 3842  Sequence number for the observation (meta.id)
FLDNUM 3  Field number of the source (obs.field)
RA195005 32 58.2 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-05 56 29 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 38 arcsec Positional error (arcsec) (stat.error)
Crate 0.28200 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01700 ct/s Error on the count rate (stat.error)
LivTime 2562.0 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 485.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 138.8  Background counts in the detect cell (instr.background)
S/N 16.6  Signal to noise ratio for the detection (stat.snr)
SizCor 2.5  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 9.9 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AL   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag S  Reference and identification flag (Note 5)   (meta.ref)
  
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