VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=4454
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ColumnValue  Explain   (UCD)
_RAJ200016 12 41.355 "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)
_DEJ2000-18 59 14.02 "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 09 47.201 "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)
_DEB1950-18 51 36.00 "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)
_Glon355.108851 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+22.896136 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)
4454recno 4454  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3611   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 4510  Sequence number for the observation (meta.id)
FLDNUM 3  Field number of the source (obs.field)
RA195016 09 47.2 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-18 51 36 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 48 arcsec Positional error (arcsec) (stat.error)
Crate 0.08420 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00780 ct/s Error on the count rate (stat.error)
LivTime 3411.9 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 122.3  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 6.7  Background counts in the detect cell (instr.background)
S/N 10.8  Signal to noise ratio for the detection (stat.snr)
SizCor 1.0  Size correction factor (Note 2)   (arith.factor)
RECode 1003  Ribs and edges code (Note 3)   (meta.code)
OffAxis 25.9 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AH   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag   Reference and identification flag (Note 5)   (meta.ref)
  
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