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 less than or equal to 16.0 and 68% at B-T less than or equal to 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. (1985) 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.

Gavazzi, G., Bonfanti, C., Pedotti, P., Boselli, A., & Carrasco, L. (2000). Optical spectroscopy of galaxies in the direction of the Virgo cluster. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 146(2), 259-265 [10.1051/aas:2000270].

Optical spectroscopy of galaxies in the direction of the Virgo cluster

GAVAZZI, GIUSEPPE
;
2000

Abstract

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 less than or equal to 16.0 and 68% at B-T less than or equal to 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. (1985) 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.
Si
Articolo in rivista - Articolo scientifico
Scientifica
Galaxies: clusters; virgocluster; Galaxies: distances and redshifts
English
259
265
7
Bronze Open Access• Green Open Access
Gavazzi, G., Bonfanti, C., Pedotti, P., Boselli, A., & Carrasco, L. (2000). Optical spectroscopy of galaxies in the direction of the Virgo cluster. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 146(2), 259-265 [10.1051/aas:2000270].
Gavazzi, G; Bonfanti, C; Pedotti, P; Boselli, A; Carrasco, L
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10281/8032
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