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=225
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ColumnValue  Explain   (UCD)
_RAJ200000 46 24.764 "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+42 02 02.76 "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 43 39.301 "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+41 45 40.00 "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)
_Glon121.933597 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-20.827907 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)
225recno 225  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM 172   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 575  Sequence number for the observation (meta.id)
FLDNUM 7  Field number of the source (obs.field)
RA195000 43 39.3 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+41 45 40 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 38 arcsec Positional error (arcsec) (stat.error)
Crate 0.01680 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00110 ct/s Error on the count rate (stat.error)
LivTime 31668.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 321.4  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 92.6  Background counts in the detect cell (instr.background)
S/N 15.8  Signal to noise ratio for the detection (stat.snr)
SizCor 2.3  Size correction factor (Note 2)   (arith.factor)
RECode 300  Ribs and edges code (Note 3)   (meta.code)
OffAxis 14.2 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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