VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=4847
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ColumnValue  Explain   (UCD)
_RAJ200017 17 53.585 "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+78 01 38.64 "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)
_RAB195017 20 30.499 "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+78 04 36.00 "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)
_Glon110.057988 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+31.288422 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)
4847recno 4847  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3894   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 7527  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195017 20 30.5 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+78 04 36 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 52 arcsec Positional error (arcsec) (stat.error)
Crate 0.01530 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00400 ct/s Error on the count rate (stat.error)
LivTime 19097.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 54.0  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 55.0  Background counts in the detect cell (instr.background)
S/N 3.7  Signal to noise ratio for the detection (stat.snr)
SizCor 4.0  Size correction factor (Note 2)   (arith.factor)
RECode 700  Ribs and edges code (Note 3)   (meta.code)
OffAxis 40.6 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AEL   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag CLG  Reference and identification flag (Note 5)   (meta.ref)
  
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