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=6910
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ColumnValue  Explain   (UCD)
_RAJ200018 31 19.9 "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)
_DEJ2000-32 20 53 "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)
_RAB195018 28 04.2 "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)
_DEB1950-32 23 03 "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)
_Glon001.7179 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-10.2594 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)
6910recno 6910  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC6637   [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)
RA197518 29.7 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975-32 22 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos 46 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos 44 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag 9.0 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag6   Source of Magnitude (Note 2)   (meta.ref)
OldDescGCL,B,L,R,RRR,*14.16  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,M69  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs18 31.3 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-32 21 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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