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=4731
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ColumnValue  Explain   (UCD)
_RAJ200017 02 46.960 "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+34 05 07.60 "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)
_RAB195017 00 57.000 "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+34 09 19.00 "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)
_Glon056.821234 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+36.302961 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)
4731recno 4731  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3809   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 1142  Sequence number for the observation (meta.id)
FLDNUM 4  Field number of the source (obs.field)
RA195017 00 57.0 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+34 09 19 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 51 arcsec Positional error (arcsec) (stat.error)
Crate 0.09300 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01300 ct/s Error on the count rate (stat.error)
LivTime 1886.4 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 53.6  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 3.4  Background counts in the detect cell (instr.background)
S/N 7.1  Signal to noise ratio for the detection (stat.snr)
SizCor 2.1  Size correction factor (Note 2)   (arith.factor)
RECode 1003  Ribs and edges code (Note 3)   (meta.code)
OffAxis 33.2 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AH   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag CLG  Reference and identification flag (Note 5)   (meta.ref)
  
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