VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=2476
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ColumnValue  Explain   (UCD)
_RAJ200007 55 06.569 "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+22 00 25.25 "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)
_RAB195007 52 09.001 "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+22 08 22.00 "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)
_Glon199.219491 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+23.401334 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)
2476recno 2476  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM1889   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 948  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195007 52 09.0 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+22 08 22 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 32 arcsec Positional error (arcsec) (stat.error)
Crate 0.07080 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00780 ct/s Error on the count rate (stat.error)
LivTime 1656.4 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 87.3  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 4.7  Background counts in the detect cell (instr.background)
S/N 9.1  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 0.4 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AH   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag S  Reference and identification flag (Note 5)   (meta.ref)
  
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