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=4815
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ColumnValue  Explain   (UCD)
_RAJ200017 12 50.444 "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+64 04 05.67 "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 12 31.300 "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+64 07 31.00 "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)
_Glon093.938479 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+34.917119 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)
4815recno 4815  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3866   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 160  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195017 12 31.3 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+64 07 31 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.01490 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00320 ct/s Error on the count rate (stat.error)
LivTime 15287.4 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 166.0  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 576.0  Background counts in the detect cell (instr.background)
S/N 4.6  Signal to noise ratio for the detection (stat.snr)
SizCor 13.8  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 2.6 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AL   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag CLG  Reference and identification flag (Note 5)   (meta.ref)
  
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