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=307
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ColumnValue  Explain   (UCD)
_RAJ200000 59 52.576 "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 49 36.62 "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 57 08.401 "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 33 27.00 "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)
_Glon125.023219 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-31.010643 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)
307recno 307  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM 244   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 2619  Sequence number for the observation (meta.id)
FLDNUM 1  Field number of the source (obs.field)
RA195000 57 08.4 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+31 33 27 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.97900 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.02900 ct/s Error on the count rate (stat.error)
LivTime 2106.2 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 1531.3  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 122.7  Background counts in the detect cell (instr.background)
S/N 33.4  Signal to noise ratio for the detection (stat.snr)
SizCor 1.2  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 0.7 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag L   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag SY  Reference and identification flag (Note 5)   (meta.ref)
  
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