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=3563
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ColumnValue  Explain   (UCD)
_RAJ200010 48 01.0 "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)
_DEJ2000-20 50 56 "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)
_RAB195010 45 35.1 "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)
_DEB1950-20 35 05 "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)
_Glon267.8557 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+33.4843 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)
3563recno 3563  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC3450   [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)
RA197510 46.8 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-20 43 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos263 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 62 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag12.0 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag3   Source of Magnitude (Note 2)   (meta.ref)
OldDescVF,L,R,VGLBM,R  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescB,BBAR,BDDIF ARMS,ARMS FRM RG,DBL NP SIDE  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*,8  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs10 48.0 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-20 51 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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