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=880
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ColumnValue  Explain   (UCD)
_RAJ200003 19 51.441 "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+18 45 39.41 "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)
_RAB195003 17 00.501 "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+18 34 50.00 "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)
_Glon165.104437 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-31.697104 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)
880recno 880  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM 753   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 7511  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195003 17 00.5 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+18 34 50 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 48 arcsec Positional error (arcsec) (stat.error)
Crate 0.29100 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01700 ct/s Error on the count rate (stat.error)
LivTime 1593.1 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 310.5  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 4.5  Background counts in the detect cell (instr.background)
S/N 17.5  Signal to noise ratio for the detection (stat.snr)
SizCor 1.1  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 15.9 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag BL  Reference and identification flag (Note 5)   (meta.ref)
  
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