VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=2156
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ColumnValue  Explain   (UCD)
_RAJ200006 23 57.635 "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)
_DEJ2000-52 41 36.14 "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)
_RAB195006 22 51.100 "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)
_DEB1950-52 39 54.00 "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)
_Glon261.209931 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-25.290425 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)
2156recno 2156  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM1642   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 847  Sequence number for the observation (meta.id)
FLDNUM 3  Field number of the source (obs.field)
RA195006 22 51.1 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-52 39 54 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.15500 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01100 ct/s Error on the count rate (stat.error)
LivTime 1657.7 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 191.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 5.8  Background counts in the detect cell (instr.background)
S/N 13.6  Signal to noise ratio for the detection (stat.snr)
SizCor 1.2  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 0.2 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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