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=313
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ColumnValue  Explain   (UCD)
_RAJ200000 56 34.7 "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)
_DEJ2000-01 45 54 "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)
_RAB195000 54 01.4 "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)
_DEB1950-02 02 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)
_Glon125.9280 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-64.6068 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)
313recno 313  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC 307   [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)
RA197500 55.3 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-01 54 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos156 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 36 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_Mag2   Source of Magnitude (Note 2)   (meta.ref)
OldDescPF,S,E  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescL,BM,RI CL 30' N  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes,V  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs00 56.6 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-01 46 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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