VizieR

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VizieR

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IX/13/2e The 2E Catalogue (Harris+ 1994)
The catalogue (5948 rows)
  recno=2821
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ColumnValue  Explain   (UCD)
_RAJ200009 55 51.339 "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+69 40 46.17 "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)
_RAB195009 51 42.601 "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+69 55 00.00 "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)
_Glon141.410898 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+40.565801 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)
2821recno 2821  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CATNUM2197   [1/4809] Catalogue number of the source (Note 1)   (meta.id;meta.main)
SEQNUM 466  Sequence number for the observation (meta.id)
FLDNUM 2  Field number of the source (obs.field)
RA195009 51 42.6 "h:m:s" (i) Right ascension 1950 (hours) (pos.eq.ra;meta.main)
DE1950+69 55 00 "d:m:s" (i) Declination 1950 (sign) (pos.eq.dec;meta.main)
PosErr 31 arcsec Positional error (arcsec) (stat.error)
Crate 0.45400 ct/s Corrected count rate (phot.count;em.X-ray)
e_Crate 0.01200 ct/s Error on the count rate (stat.error)
LivTime 4449.8 s Live time (in seconds, at the field center) (time.duration;obs.exposure)
NetCount 1506.1  Net counts in the detect cell (phot.count;em.X-ray)
BkgCount 13.9  Background counts in the detect cell (instr.background)
S/N 38.6  Signal to noise ratio for the detection (stat.snr)
SizCor 1.5  Size correction factor (Note 2)   (arith.factor)
RECode 0  Ribs and edges code (Note 3)   (meta.code)
OffAxis 0.2 arcmin Dist. between source & field center (arcmin) (pos.angDistance)
SrcFlag AH   [AaHLEI ] Source flags (Note 4)   (meta.code)
RefFlag *  Reference and identification flag (Note 5)   (meta.ref)
  
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