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=3443
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ColumnValue  Explain   (UCD)
_RAJ200012 30 49.249 "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+12 23 26.17 "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 28 17.401 "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+12 40 00.00 "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)
_Glon283.775781 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+74.490445 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)
3443recno 3443  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM2744   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 277  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195012 28 17.4 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+12 40 00 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.84600 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01600 ct/s Error on the count rate (stat.error)
LivTime 12663.4 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 7973.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 7274.5  Background counts in the detect cell (instr.background)
S/N 52.5  Signal to noise ratio for the detection (stat.snr)
SizCor 12.5  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 0.0 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AL   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag G  Reference and identification flag (Note 5)   (meta.ref)
  
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