VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=246
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ColumnValue  Explain   (UCD)
_RAJ200000 49 03.340 "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+57 49 23.45 "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)
_RAB195000 46 07.801 "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+57 33 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)
_Glon122.613530 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 -5.047095 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)
246recno 246  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM 191   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 2246  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195000 46 07.8 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+57 33 03 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 37 arcsec Positional error (arcsec) (stat.error)
Crate 0.01790 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00380 ct/s Error on the count rate (stat.error)
LivTime 2093.7 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 27.8  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 6.2  Background counts in the detect cell (instr.background)
S/N 4.8  Signal to noise ratio for the detection (stat.snr)
SizCor 1.2  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 1.7 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag S  Reference and identification flag (Note 5)   (meta.ref)
  
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