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=5002
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ColumnValue  Explain   (UCD)
_RAJ200012 55 30.8 "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+27 30 53 "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)
_RAB195012 53 05.2 "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+27 47 07 "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)
_Glon056.2923 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+89.0158 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)
5002recno 5002  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC4807   [1/7840] The original NGC number (meta.id;meta.main)
m_NGCA  Component of NGC (Note 6)   (meta.code.multip)
Type 5  Type of object (Note 1)   (src.class)
RA197512 54.3 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975+27 39 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos 5 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 86 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag14.5 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag2   Source of Magnitude (Note 2)   (meta.ref)
OldDescF,PS,R,BM  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDesc,R,BM,*CLOSE NORTH  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*,V*,HO488A  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs12 55.5 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+27 31 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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