VizieR

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VizieR

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VII/110A/table3 Rich Clusters of Galaxies (Abell+ 1989)
Revised northern "Abell Catalog" (2712 rows)
  recno=665
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ColumnValue  Explain   (UCD)
_RAJ200008 30 45.2 "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+65 52 55 "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)
_RAB195008 26 12.0 "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+66 03 00 "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)
_Glon149.7348 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+34.6725 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)
665recno 665  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ACO 665  (i) [1,2712] "Abell" number (meta.id;meta.main)
RAB195008 26.2 "h:m:s" (i) right ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+66 03 "d:m:s" (i) declination (B1950) (pos.eq.dec;meta.main)
BMtypeIII:   [- I:] cluster classification in the Bautz- Morgan system (src.class.struct)
Count321 ct [0,] number of cluster members between m3 and m3+2, corrected for background (meta.number)
Xpos292 mm rectangular coordinates of the apparent cluster center, referred to the south-east (lower left) edge of the Palomar Sky Survey prints (x coordinate) (pos.cartesian.x;instr.plate)
Ypos202 mm same with above (y coordinate) (pos.cartesian.y;instr.plate)
GLON149.74 deg galactic longitude l2 (pos.galactic.lon)
GLAT 34.67 deg galactic latitude b2 (pos.galactic.lat)
z 0.1816   cluster redshift from Struble and Rood (1987ApJS...63..555S) (src.redshift)
Rich5  richness, from Abell (1958ApJS....3..211A) (Note)   (src.class.richness)
Dclass6  distance class, from Abell (Note 1958)   (src.class.distance)
m1017.5 mag red magnitude of the tenth brightest cluster member, from Abell (1958) (phot.mag)

_RA.icrs08 30.8 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+65 53 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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