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)
  -c=NGC 4431,rm=5.0
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ColumnValue  Explain   (UCD)
_r0.3 arcmin Distance from center (12 26.2+12 26)[FK4/B1975] (pos.angDistance)
_RAJ200012 27 28.1 "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 17 42 "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)
4591recno 4591  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC4431   [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)
RA197512 26.2 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975+12 26 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos220 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos235 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)
OldDescVF,VS,CE,GBM  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescLEL,SMBM,SO),,DIF PERIPH  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*,Z,V*,8,HO408C  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs12 27.5 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+12 18 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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