VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=3572
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ColumnValue  Explain   (UCD)
_RAJ200012 48 49.272 "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 44.06 "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 03.501 "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 23.00 "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)
_Glon302.403597 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+21.556824 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)
3572recno 3572  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 298  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195012 46 03.5 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-41 02 23 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 38 arcsec Positional error (arcsec) (stat.error)
Crate 0.36200 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01300 ct/s Error on the count rate (stat.error)
LivTime 7842.7 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 1869.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 1384.5  Background counts in the detect cell (instr.background)
S/N 26.9  Signal to noise ratio for the detection (stat.snr)
SizCor 8.4  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 10.7 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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