VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=4153
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ColumnValue  Explain   (UCD)
_RAJ200014 54 31.411 "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 38 31.22 "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)
_RAB195014 52 13.201 "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 50 40.00 "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)
_Glon022.786843 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+60.496833 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)
4153recno 4153  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3350   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 6039  Sequence number for the observation (meta.id)
FLDNUM 4  Field number of the source (obs.field)
RA195014 52 13.2 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+18 50 40 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.16150 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00730 ct/s Error on the count rate (stat.error)
LivTime 4158.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 500.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 16.8  Background counts in the detect cell (instr.background)
S/N 22.0  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 0.8 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag CLG  Reference and identification flag (Note 5)   (meta.ref)
  
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