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=3455
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ColumnValue  Explain   (UCD)
_RAJ200010 40 20.5 "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)
_DEJ2000-36 25 51 "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 38 03.7 "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)
_DEB1950-36 10 10 "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)
_Glon275.4411 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+19.3468 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)
3455recno 3455  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC3347   [1/7840] The original NGC number (meta.id;meta.main)
m_NGCA  Component of NGC (Note 6)   (meta.code.multip)
Type 5  Type of object (Note 1)   (src.class)
RA197510 39.2 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-36 18 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos275 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos191 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag  mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag    Source of Magnitude (Note 2)   (meta.ref)
OldDesc   Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescL,BM,SLDIF,PCHY  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs10 40.3 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-36 26 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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