VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=244
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 48 47.379 "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+31 57 11.71 "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)
_RAB195000 46 05.101 "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+31 40 51.00 "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)
_Glon122.277143 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-30.915130 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)
244recno 244  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM 189   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 2660  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195000 46 05.1 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+31 40 51 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 37 arcsec Positional error (arcsec) (stat.error)
Crate 0.01520 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.00350 ct/s Error on the count rate (stat.error)
LivTime 2041.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 23.1  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 4.9  Background counts in the detect cell (instr.background)
S/N 4.4  Signal to noise ratio for the detection (stat.snr)
SizCor 0.8  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 1.3 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag H   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag SY  Reference and identification flag (Note 5)   (meta.ref)
  
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