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=5003
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ColumnValue  Explain   (UCD)
_RAJ200012 55 24.8 "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 32 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 52 59.2 "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 49 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)
_Glon058.5974 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+89.0224 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)
5003recno 5003  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_NGCB  Component of NGC (Note 6)   (meta.code.multip)
Type 5  Type of object (Note 1)   (src.class)
RA197512 54.2 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975+27 41 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos 4 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 87 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag  mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag    Source of Magnitude (Note 2)   (meta.ref)
OldDesc   Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescLEL STEL OBJECT  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
NotesO488B  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs12 55.4 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+27 33 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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