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=3444
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ColumnValue  Explain   (UCD)
_RAJ200012 30 49.348 "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 29.17 "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 17.501 "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 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)
_Glon283.776298 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+74.491362 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)
3444recno 3444  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 10362  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195012 28 17.5 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+12 40 03 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.75300 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01900 ct/s Error on the count rate (stat.error)
LivTime 9252.5 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 5186.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 5495.5  Background counts in the detect cell (instr.background)
S/N 40.5  Signal to noise ratio for the detection (stat.snr)
SizCor 12.0  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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