VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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VII/1B/catalog Revised New General Catalogue (Sulentic+, 1973)
The Revised NGC Catalog (8163 rows)
  -c=NGC 7817,rm=5.0
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ColumnValue  Explain   (UCD)
_r0.8 arcmin Distance from center (00 02.7+20 37)[FK4/B1975] (pos.angDistance)
_RAJ200000 03 59.1 "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+20 44 21 "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)
8140recno 8140  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NGC7817   [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 02.7 "h:m:s" (i) Right Ascension (1975) (pos.eq.ra;meta.main)
DE1975+20 36 "d:m:s" (i) Declination (1975) (pos.eq.dec;meta.main)
Xpos216 mm Position eastwards on POSS blue print (pos.cartesian.x;instr.plate)
Ypos280 mm Position northwards on POSS blue print (pos.cartesian.y;instr.plate)
Mag12.5 mag Magnitude rounded to the nearest half magnitude (phot.mag)
r_Mag2   Source of Magnitude (Note 2)   (meta.ref)
OldDescPF,CL,ME45,LBM  Visual appearance of object transcribed from Dreyer J.L.E. (1888) (Note 3)   (src.morph.type)
NewDescEL,BM,SLDIFPERIPH  Palomar Sky Survey Description of each object (Note 4)   (meta.note)
Notes*,Z,V*  Cross References for RNGC objects (Note 5)   (meta.note)

_RA.icrs00 04.0 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+20 44 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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