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=3762
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ColumnValue  Explain   (UCD)
_RAJ200013 20 17.343 "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)
_DEJ2000-21 50 01.50 "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 17 34.601 "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)
_DEB1950-21 34 18.00 "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)
_Glon311.754182 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+40.543253 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)
3762recno 3762  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3023   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 8996  Sequence number for the observation (meta.id)
FLDNUM 4  Field number of the source (obs.field)
RA195013 17 34.6 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950-21 34 18 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 54 arcsec Positional error (arcsec) (stat.error)
Crate 0.01710 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00400 ct/s Error on the count rate (stat.error)
LivTime 3938.3 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 23.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 6.5  Background counts in the detect cell (instr.background)
S/N 4.3  Signal to noise ratio for the detection (stat.snr)
SizCor 1.3  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 31.1 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag   Reference and identification flag (Note 5)   (meta.ref)
  
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