Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....109.1458r&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 109, no. 4, p.1458-1475
Astronomy and Astrophysics
Astronomy
24
Galactic Clusters, Red Shift, Velocity Distribution, Astronomical Catalogs, Charge Coupled Devices, Sky Surveys (Astronomy)
Scientific paper
We have selected 36 loose groups of galaxies (RGH89) with at least five members, and with mean redshift average value of CZ is greater than 3200 km/s. These groups all lie within the first two slices of the CfA redshift survey 8h less than or equal to alpha less than or equal to 17h and 26.5 deg less than or equal to delta less than or equal to 38.5 deg). For each of these groups, we define the redshift-space neighborhood as a region centered on the group coordinates and delimited by a circle of projected radius Rcir = 1.5/h Mpc on the sky, and by a velocity interval delta cz = 3000 km/s. Here we give the redshifts of 334 galaxies in these redshift-space neighborhoods. For completeness, we also give the redshifts of the 232 original members. These data include 199 new redshifts. We demonstrate that these samples of fainter galaxies significantly increase the number of members.
Geller Margaret J.
Huchra John P.
Ramella Massimo
Thorstensen John R.
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