VizieR

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VizieR

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J/ApJ/384/404/table1 Redshifts of a nearby rich clusters of galaxies (Postman+ 1992)
catalogue of redshifts of a sample of nearby rich clusters of galaxies (351 rows)
  recno=212
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ColumnValue  Explain   (UCD)
_RAJ200013 59 10.2 "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+27 59 28 "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)
_RAB195013 56 54.0 "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+28 14 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)
_Glon040.1375 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+74.9757 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)
212recno 212  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CluIDA   [AV] Cluster ID: A=Abell, V=Virgo cluster; these codes added at CDS for clarity (meta.note)
Anumb1831   [0,3744] Abell number, or 0 for Virgo (meta.id;meta.main)
RAB195013 56.9 "h:m:s" (i) [0,24[ Right ascension (B1950) of the cluster centre (pos.eq.ra;meta.main)
DEB1950+28 14 "d:m:s" (i) [0,90] declination of the cluster center (B1950) (pos.eq.dec;meta.main)
R1   [0,3] Abell's richness class (src.class.richness)
D3   [0,5] Abell's distance class (src.class.distance)
m113.90 mag [8.49,16.6] brightness of 1st-ranked galaxy from Leir & vandenBergh 1977, ApJS 34, 381 (1) (phot.mag)
m1015.4 mag [10.0,16.5] brightness of 10th-ranked galaxy (1) (phot.mag)
Zest 0.053   []? estimated z (1) (src.redshift)
Zobs 0.0753  observed z (src.redshift)
Ngal 8   [1,360] number of galaxies with measured z (meta.number)
r_zZCAT  reference code(s), see (2) (meta.ref;pos.frame)
NOTE.0612 14 ZCAT  notes (3) (meta.note)

_RA.icrs13 59.2 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+27 59 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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