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=859
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ColumnValue  Explain   (UCD)
_RAJ200002 09 50.5 "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)
_DEJ2000-07 45 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)
_RAB195002 07 21.6 "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)
_DEB1950-08 00 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)
_Glon170.3582 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-63.1688 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)
859recno 859  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC 842   [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)
RA197502 08.6 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-07 53 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos138 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 43 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,VS,R,PSBM,3RD OF3  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDesc,SLEL,BM,DIFHALO  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*,V  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs02 09.8 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-07 46 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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