Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26as..146..259g&link_type=abstract
Astronomy and Astrophysics Supplement, v.146, p.259-265
Astronomy and Astrophysics
Astrophysics
7
Galaxies: Clusters, Virgocluster, Galaxies: Distances And Redshifts
Scientific paper
Optical spectroscopy of 76 galaxies, 48 of which are projected in the direction of the Virgo cluster and 28 onto the Coma-A1367 supercluster, is reported. Adding these new measurements to those found in the literature, the redshift completeness in the Virgo region becomes 92% at B_T<=16.0 and 68% at B_T<=18.0. The one of CGCG galaxies in the direction of the Coma-A1367 supercluster becomes 98%. The Virgo cluster membership estimates obtained on morphological grounds by Binggeli et al. (\cite{Binggeli}) are confirmed in all cases. However, several ``possible members" classified as BCD (if in the cluster) are found instead to be giant emission-line galaxies in the background of the Virgo cluster Based on observations obtained with the Loiano telescope belonging to the University of Bologna, Italy, with the OHP, operated by the French CNRS and with the G. Haro telescope of the INAOE, Mexico.
Bonfanti Christian
Boselli Alessandro
Carrasco Luis
Gavazzi Giuseppe
Pedotti P.
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