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=3901
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ColumnValue  Explain   (UCD)
_RAJ200013 54 40.037 "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 23 21.24 "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)
_RAB195013 52 16.901 "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 38 03.00 "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)
_Glon005.256494 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+73.029022 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)
3901recno 3901  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3150   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 2665  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195013 52 16.9 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+18 38 03 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 52 arcsec Positional error (arcsec) (stat.error)
Crate 0.02590 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00580 ct/s Error on the count rate (stat.error)
LivTime 1777.9 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 23.2  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 3.8  Background counts in the detect cell (instr.background)
S/N 4.5  Signal to noise ratio for the detection (stat.snr)
SizCor 0.8  Size correction factor (Note 2)   (arith.factor)
RECode 805  Ribs and edges code (Note 3)   (meta.code)
OffAxis 20.2 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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