2000ApJ...533...62R

Query : 2000ApJ...533...62R

2000ApJ...533...62R - Astrophys. J., 533, 62-72 (2000/April-2)

Shape of the galactic orbits in the CNOC1 clusters.

RAMIREZ A.C., DE SOUZA R.E. and SCHADE D.

Abstract (from CDS):

We present an analysis of the orbital properties of nine intermediate-redshift clusters of the Canadian Network for Observational Cosmology (CNOC1) survey and compare them to a control sample of 12 nearby clusters. Similar to the nearby elliptical galaxies, the bulge-dominated galaxies in clusters at redshifts ∼0.1-0.4 present orbits that are more eccentric than those of disk-dominated galaxies. However, the orbital segregation is less significant than that found for elliptical and spiral galaxies in nearby clusters. The strongest orbital segregation is found when galaxies are separated by colors [red galaxies with colors in the rest frame (U-V)0>1.4, blue galaxies with (U-V)0≤1.4]. Therefore, the segregation we find seems to modify the star formation activity more efficiently than the internal shape of the galaxies. When we compare the orbits of early-type galaxies at intermediate redshift with those for z=0, they seem to develop significant changes, becoming much more eccentric. A different behavior is observed in the late-type galaxies, which present no significant evolution in their orbit shapes.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - Galaxies: Clusters: General - Galaxies: Evolution - Galaxies: Kinematics and Dynamics - Galaxies: Structure

Simbad objects: 28

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Number of rows : 28
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
2 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 577 2
3 ACO 194 ClG 01 26 01.3 -01 22 02           ~ 363 2
4 ClG 0303+1658 ClG 03 05 31.6 +17 10 02     20.13     ~ 92 0
5 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
6 ACO 496 ClG 04 33 40.8 -13 14 34           ~ 728 2
7 ClG 0440+02 ClG 04 43 09.7 +02 10 19     17.03     ~ 129 0
8 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
9 ClG 0451-03 ClG 04 54 10.9 -03 01 07     20.0     ~ 368 0
10 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 334 0
11 ZwCl 0839+2937 ClG 08 42 55.9 +29 27 26     17.0     ~ 93 0
12 ACO 750 ClG 09 09 06.7 +11 01 48           ~ 105 1
13 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
14 ZwCl 1006+1201 ClG 10 08 47.1 +11 47 55     18.0     ~ 75 0
15 ClG 1008-12 ClG 10 10 34.1 -12 39 48     18.0     ~ 155 0
16 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 905 1
17 ClG 1224+20 ClG 12 27 14.9 +19 51 06   19.0       ~ 96 0
18 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
19 ClG 1231+15 ClG 12 33 55.3 +15 25 58     18.5     ~ 54 0
20 ACO 1631 ClG 12 52 50.6 -15 25 37           ~ 176 1
21 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 391 1
22 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
23 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 370 0
24 ZwCl 1455+2232 ClG 14 57 15.2 +22 20 30     18.62 20.04   ~ 309 0
25 ClG J1514+3636 ClG 15 14 22.0 +36 36 22     19.0     ~ 136 0
26 ClG 1621+26 ClG 16 23 35.7 +26 33 50           ~ 145 0
27 ACO S 805 ClG 18 47 14.4 -63 19 45           ~ 137 3
28 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 732 2

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