VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=5410
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ColumnValue  Explain   (UCD)
_RAJ200020 32 25.348 "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+40 57 27.33 "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)
_RAB195020 30 37.200 "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+40 47 12.00 "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)
_Glon079.844545 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 +0.701056 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)
5410recno 5410  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM4376   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 3380  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195020 30 37.2 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+40 47 12 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 38 arcsec Positional error (arcsec) (stat.error)
Crate 1.47400 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.02600 ct/s Error on the count rate (stat.error)
LivTime 4863.0 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 4508.3  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 421.7  Background counts in the detect cell (instr.background)
S/N 56.9  Signal to noise ratio for the detection (stat.snr)
SizCor 2.1  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 13.2 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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