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=4846
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ColumnValue  Explain   (UCD)
_RAJ200017 18 32.360 "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+78 01 22.42 "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 21 09.299 "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+78 04 17.00 "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)
_Glon110.041483 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+31.257681 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)
4846recno 4846  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM3894   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 6042  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195017 21 09.3 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+78 04 17 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 35 arcsec Positional error (arcsec) (stat.error)
Crate 0.02520 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00350 ct/s Error on the count rate (stat.error)
LivTime 3373.7 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 61.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 13.5  Background counts in the detect cell (instr.background)
S/N 7.1  Signal to noise ratio for the detection (stat.snr)
SizCor 3.1  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 4.2 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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