VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=2243
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ColumnValue  Explain   (UCD)
_RAJ200006 35 47.237 "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)
_DEJ2000-75 16 13.34 "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 37 24.100 "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)
_DEB1950-75 13 34.00 "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)
_Glon286.367331 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-27.157584 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)
2243recno 2243  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM1720   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 5404  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195006 37 24.1 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-75 13 34 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.26200 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01600 ct/s Error on the count rate (stat.error)
LivTime 1371.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 268.3  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 4.7  Background counts in the detect cell (instr.background)
S/N 16.2  Signal to noise ratio for the detection (stat.snr)
SizCor 1.1  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 Q  Reference and identification flag (Note 5)   (meta.ref)
  
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