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=3362
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ColumnValue  Explain   (UCD)
_RAJ200012 21 50.462 "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 18 57.19 "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)
_RAB195012 19 40.001 "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 35 35.00 "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)
_Glon125.436595 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+41.668114 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)
3362recno 3362  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM2677   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 5233  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195012 19 40.0 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+75 35 35 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 48 arcsec Positional error (arcsec) (stat.error)
Crate 0.39400 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01600 ct/s Error on the count rate (stat.error)
LivTime 2896.3 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 620.1  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 5.9  Background counts in the detect cell (instr.background)
S/N 24.8  Signal to noise ratio for the detection (stat.snr)
SizCor 1.2  Size correction factor (Note 2)   (arith.factor)
RECode 300  Ribs and edges code (Note 3)   (meta.code)
OffAxis 18.6 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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