New measurements of radial velocities in clusters of galaxies -- V

Details New measurements of radial velocities in clusters of galaxies -- V New measurements of radial velocities in clusters of galaxies -- V

2010-03-15

arxiv.org/abs/1003.2954v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

12 pages, 14 figures, accepted in A&A

Scientific paper

As a part of our galaxy-cluster redshift survey, we present a set of 80 new velocities in the 4 clusters Abell 376, Abell 970, Abell 1356, and Abell 2244, obtained at Haute-Provence observatory. This set now completes our previous analysis, especially for the first two clusters. Data on individual galaxies are presented, and we discuss some cluster properties. For A376, we obtained an improved mean redshift = 0.047503$ with a velocity dispersion of \sigma_V = 860 km/s. For A970, we have = 0.058747 with \sigma_V = 881 km/s. We show that the A1356 cluster is not a member of the "Leo-Virgo" supercluster at a mean redshift = 0.112 and should be considered just as a foreground group of galaxies at = 0.0689, as well as A1435 at = 0.062. We obtain = 0.099623 for A2244 with \sigma_V = 965 km/s. The relative proximity of clusters A2244 and A2245 ( = 0.0873816, \sigma_V = 992 km/s) suggests that these could be members of a supercluster that would include A2249; however, from X-ray data there is no indication of interaction between A2244 and A2245.

Affiliated with

Also associated with

No associations

Rating

New measurements of radial velocities in clusters of galaxies -- V does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with New measurements of radial velocities in clusters of galaxies -- V, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and New measurements of radial velocities in clusters of galaxies -- V will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-214681