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=7273
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ColumnValue  Explain   (UCD)
_RAJ200020 53 28.4 "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)
_DEJ2000-12 32 17 "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 50 43.7 "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)
_DEB1950-12 43 41 "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)
_Glon035.1629 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-32.6860 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)
7273recno 7273  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC6981   [1/7840] The original NGC number (meta.id;meta.main)
m_NGC   Component of NGC (Note 6)   (meta.code.multip)
Type 2  Type of object (Note 1)   (src.class)
RA197520 52.1 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-12 38 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos203 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos114 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag10.0 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag6   Source of Magnitude (Note 2)   (meta.ref)
OldDescGCL,PB,PL,R,GMCM,RRR  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDesc   Palomar Sky Survey Description of each object (Note 4)   (meta.note)
NotesO,AG,R,M72  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs20 53.5 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-12 32 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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