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VizieR

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VII/239A/icpos History and Accurate Positions for the NGC/IC Objects (Corwin, 2004)
NGC/IC positions (mean values) (15517 rows)
  recno=7639
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ColumnValue  Explain   (UCD)
_RAJ200002 38 47.517000 "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+41 40 13.98000 "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)
_RAB195002 35 36.247635 "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+41 27 18.73462 "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)
_Glon143.565579258 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-16.859943133 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)
7639recno 7639  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Note    [*] indicates a note in the file "ngcnotes.txt" or "icnotes.txt" (meta.code)
CatN   [IN] Catalog: N=NGC, I=IC (meta.note)
NGC/IC0999  (i) Number in the NGC or IC catalog (meta.id;meta.main)
n_NGC/IC   Component or remarks (Note G1)   (meta.note)
RAJ200002 38 47.5170 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
DEJ2000+41 40 13.980 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
qPosb   [a-g] Precision on position (Note G2)   (meta.code.qual)
N 6  Number of positions used (meta.number)
e_RAJ2000 0.80 arcsec Standard deviation in RA (stat.error;pos.eq.ra)
e_DEJ2000 0.35 arcsec Standard deviation in DE (stat.error;pos.eq.dec)
RefsKHJ, DC, UZC, GSC, VPS, CCA  References of positions detailed in "refs.dat" (meta.ref;pos.frame)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
NEDNED  ask the NED data-base about this object (meta.ref.url)
  
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