VizieR

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VizieR

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VII/1B/catalog Revised New General Catalogue (Sulentic+, 1973)
The Revised NGC Catalog (8163 rows)
  recno=7239
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ColumnValue  Explain   (UCD)
_RAJ200020 40 57.3 "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)
_DEJ2000-32 31 37 "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)
_RAB195020 37 50.7 "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)
_DEB1950-32 42 20 "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)
_Glon010.9812 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-36.1759 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)
7239recno 7239  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC6947   [1/7840] The original NGC number (meta.id;meta.main)
m_NGC   Component of NGC (Note 6)   (meta.code.multip)
Type 5  Type of object (Note 1)   (src.class)
RA197520 39.4 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-32 37 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos159 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos343 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag14.0 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag3   Source of Magnitude (Note 2)   (meta.ref)
OldDescVF,L,R,GBM  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescC,STELNUC,DIFPERIPH  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs20 41.0 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-32 32 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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