2016MNRAS.458..264H

Query : 2016MNRAS.458..264H

2016MNRAS.458..264H - Mon. Not. R. Astron. Soc., 458, 264-269 (2016/May-1)

Redshifts distribution in A262.

HASSAN M.S.R., ABIDIN Z.Z., IBRAHIM U.F.S.U., HASHIM N. and LEE D.A.A.

Abstract (from CDS):

Galaxy clusters are the largest virialized systems in the Universe containing a collection of galaxies of different redshifts. The redshift distribution of galaxies in galaxy clusters is concentrated at a certain redshift range which remarkably tells us that only the galaxies in a certain radial range belong to the galaxy cluster. This leads to a boundary estimation of the cluster. Background and foreground systems are represented by a histogram that determines whether some of the galaxies are too far or too high in redshift to be counted as the member of the cluster. With the recent advances in multifibre spectroscopy, it has become possible to perform detailed analysis of the redshift distribution of several galaxy clusters in the Abell Catalogue. This has given rise to significantly improved estimates of cluster membership, extent and dynamical history. Here we present a spectroscopic analysis of the galaxy cluster A262. We find 55 galaxies fall within z=0.0143 and 0.0183 with velocity range 4450-5300 km/s, and are therefore members of the cluster. We derived a new mean redshift of z=0.016 173±0.000 074 (4852±22 km/s) for the system of which we compare with our neutral hydrogen (H i) detection which peaks at 4970±0.5 km/s. It is found that the distribution of H i tends to be located at the edge of the cluster since most of spiral rich galaxies were away from cluster centre.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: spectroscopic - galaxies: clusters: general - radio lines: general

Simbad objects: 59

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Number of rows : 59
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 NGC 383 AGN 01 07 24.9647814840 +32 24 45.132586200   13.6 12.14     ~ 821 3
2 NGC 507 rG 01 23 39.950 +33 15 22.22   13.0       ~ 459 1
3 Z 522-5 GiG 01 47 30.1645045536 +36 02 05.919491940   15.0       ~ 48 0
4 LEDA 142789 G 01 47 33.5 +36 04 30           ~ 12 0
5 Z 522-7 GiG 01 48 07.0450426536 +36 27 11.515701132   15.0       ~ 50 0
6 NGC 679 GiG 01 49 43.7584543992 +35 47 08.159001900   13.1       ~ 81 0
7 2MASX J01501477+3613436 GiC 01 50 14.8006571040 +36 13 43.390288308   16.0       ~ 18 0
8 LEDA 100137 AG? 01 50 24.2375988960 +36 20 25.381683816           ~ 9 0
9 NGC 687 GiG 01 50 33.2281901976 +36 22 15.094840332   13.3 13.33     ~ 66 0
10 IC 1732 GiG 01 50 47.8834195536 +35 55 57.712255068   15.1   12.92   ~ 47 0
11 Z 522-22 rG 01 50 51.209 +36 16 32.78   14.5       ~ 74 1
12 2MASX J01505167+3540341 GiC 01 50 51.6815108016 +35 40 34.103995716           ~ 4 0
13 2MASX J01513246+3552316 GiC 01 51 32.4667129464 +35 52 32.301559380   16.0       ~ 10 0
14 MCG+06-05-021 AG? 01 51 45.43 +36 08 01.9   15       ~ 9 0
15 NFP J015150.7+355243 AG? 01 51 50.72 +35 52 43.3           ~ 3 0
16 2MASX J01515325+3629077 GiC 01 51 53.2586727792 +36 29 08.180415996           ~ 9 0
17 MCG+06-05-023 AG? 01 52 00.481 +35 38 20.72   12.61 12.83     ~ 19 1
18 Z 522-26 GiG 01 52 06.8199074184 +35 24 53.117152632   15.1       ~ 26 0
19 NGC 700 GiC 01 52 12.7097235864 +36 05 50.557292124   15.6       ~ 34 0
20 2MASX J01522797+3629533 GiC 01 52 27.9189094080 +36 29 53.469743676           ~ 10 0
21 2MASS J01522799+3609258 AG? 01 52 27.99672 +36 09 25.8768           ~ 3 0
22 LEDA 2073572 AG? 01 52 34.473 +36 00 46.29           ~ 4 0
23 NGC 704A GiG 01 52 37.6748880840 +36 07 36.767535564   14.1       ~ 52 0
24 NGC 705 GiG 01 52 42 +36 08.6   14.5       ~ 42 0
25 NGC 708 rG 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 259 3
26 2MASX J01524785+3619365 AG? 01 52 47.858 +36 19 36.54           ~ 3 0
27 2MASX J01524952+3614515 AG? 01 52 49.5563312616 +36 14 51.498418164           ~ 3 0
28 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 727 1
29 Z 522-42 GiG 01 52 57.4563140088 +36 30 46.109231712   14.5       ~ 48 0
30 LEDA 100151 AG? 01 52 58.70304 +36 25 44.4180           ~ 6 0
31 2MASX J01530937+3620455 GiC 01 53 09.3752452728 +36 20 45.486315960           ~ 8 0
32 Z 522-44 AG? 01 53 14.7304702296 +36 20 02.266554732   15.7       ~ 23 0
33 Z 522-46 GiG 01 53 22.9862315688 +36 57 18.427129164   14.4       ~ 39 0
34 Z 522-45 GiC 01 53 23.7889110648 +36 00 43.785515412   15.6       ~ 23 0
35 2MASX J01534075+3605459 GiC 01 53 40.756 +36 05 45.95           ~ 5 0
36 LEDA 7018 AG? 01 53 41.4638050176 +36 18 49.177337832   18.2       ~ 8 0
37 LEDA 100154 AG? 01 53 48.051 +36 59 00.00           ~ 6 0
38 Z 522-51 GiG 01 53 50.0263217856 +36 47 14.692957332   15.1       ~ 26 0
39 Z 522-49 GiG 01 53 50.6309687280 +36 33 51.246954288   15.3       ~ 24 0
40 2MASX J01535138+3612130 GiC 01 53 51.4030112352 +36 12 12.618685728           ~ 6 0
41 NGC 717 GiG 01 53 55.1185324752 +36 13 45.862153572   14.7       ~ 41 0
42 LEDA 7055 AG? 01 54 11.19 +35 32 05.3   16       ~ 17 0
43 LEDA 2081954 AG? 01 54 11.7588893136 +36 30 44.230015152           ~ 4 0
44 Z 522-55 GiG 01 54 19.7843374992 +36 37 47.146176768   14.7   13.10   ~ 58 0
45 2MASX J01545507+3552279 GiC 01 54 55.078 +35 52 27.95           ~ 15 0
46 Z 522-60 GiG 01 54 57.83 +35 25 13.7   15.1       ~ 42 0
47 Z 522-61 GiG 01 54 58.6568749440 +36 52 09.742395216   15.2       ~ 31 0
48 Z 522-63 GiG 01 55 10.796 +36 15 38.60   15.4       ~ 39 0
49 MCG+06-05-052 AG? 01 55 29.4756885912 +36 33 42.717954528   16.0       ~ 19 0
50 Z 522-68 LSB 01 55 39.7015431960 +37 02 19.331456460   15.6       ~ 16 0
51 Z 522-79 GiG 01 56 39.892 +35 35 32.63   15.3   14.12   ~ 28 0
52 Z 522-80 GiC 01 56 43.8786433344 +36 23 04.585220592   14.5       ~ 41 0
53 Z 522-83 GiC 01 56 57.8796829776 +35 56 45.123785232   15.7       ~ 22 0
54 Z 522-84 GiG 01 57 38.920 +36 15 19.12   15.4       ~ 33 0
55 NGC 753 GiG 01 57 42.2040241440 +35 54 57.729210264   12.6   11.59   ~ 207 1
56 NGC 759 rG 01 57 50.3401939560 +36 20 35.083687128   13.7       ~ 104 1
57 LEDA 74050 AG? 01 58 15.789 +36 20 53.85   16       ~ 14 0
58 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 676 1
59 NAME Local Group GrG ~ ~           ~ 9325 0

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