2002A&A...384..383I

Query : 2002A&A...384..383I

2002A&A...384..383I - Astronomy and Astrophysics, volume 384383-392 (2002/3-3)

A deep Hα survey of galaxies in the two nearby clusters Abell 1367 and Coma. The Hα luminosity functions.

IGLESIAS-PARAMO J., BOSELLI A., CORTESE L., VILCHEZ J.M. and GAVAZZI G.

Abstract (from CDS):

We present a deep wide field Hα imaging survey of the central regions of the two nearby clusters of galaxies Coma and Abell 1367, taken with the WFC at the INT 2.5m telescope. We determine for the first time the Schechter parameters of the Hα luminosity function (LF) of cluster galaxies. The Hα LFs of Abell 1367 and Coma are compared with each other and with that of Virgo, estimated using the B band LF by Sandage et al. (1985AJ.....90.1759S) and a L(Hα) vs. MB relation. Typical parameters of φ*≃100.00±0.07Mpc–3, L*≃1041.25±0.05erg/s and α≃-0.70±0.10 are found for the three clusters. The best fitting parameters of the cluster LFs differ from those found for field galaxies, showing flatter slopes and lower scaling luminosities L*. Since, however, our Hα survey is significantly deeper than those of field galaxies, this result must be confirmed on similarly deep measurements of field galaxies. By computing the total SFR per unit volume of cluster galaxies, and taking into account the cluster density in the local Universe, we estimate that the contribution of clusters like Coma and Abell 1367 is approximately 0.25% of the SFR per unit volume of the local Universe.

Abstract Copyright: ∼

Journal keyword(s): atlases - galaxies - ISM: HII regions - galaxies: clusters: individual: Abell 1367, Coma, Virgo

VizieR on-line data: <Available at CDS (J/A+A/384/383): table4.dat table5.dat>

Nomenclature: Tables 4, 5: [IBC2002] JHHMMSS+DDMMSS N=41+22.

Simbad objects: 67

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Number of rows : 67
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 IC 10 rG 00 20 17.33520 +59 18 13.6480   13.6 9.5     ~ 1185 1
2 2MASX J11402494+1957478 GiC 11 40 24.89870 +19 57 48.2141           ~ 12 0
3 LEDA 4290520 GiC 11 40 38.98923 +19 54 38.4567           ~ 11 0
4 [IBC2002] J114107+200251 GiC 11 41 07.79 +20 02 51.3           ~ 1 0
5 [CGI2003] J114110+201117 GiC 11 41 10.5608203344 +20 11 18.740698836           ~ 7 0
6 [IBC2002] J114112+200109 GiC 11 41 12.81 +20 01 09.9           ~ 1 0
7 LEDA 1614356 GiC 11 41 41.22036 +20 02 31.9839           ~ 9 0
8 LEDA 1613503 GiC 11 41 42.60720 +20 00 56.3048           ~ 10 0
9 SDSS J114149.82+194604.3 GiC 11 41 49.82688 +19 46 04.3572           ~ 8 0
10 [IBC2002] J114156+194207 GiC 11 41 56.6344 +19 42 07.908           ~ 2 0
11 [IBC2002] J114157+194329 GiC 11 41 57.90 +19 43 29.4           ~ 1 0
12 [IBC2002] J114158+194149 GiC 11 41 57.9829 +19 41 49.968           ~ 2 0
13 [IBC2002] J114158+194205 GiC 11 41 58.0348 +19 42 05.961           ~ 2 0
14 [IBC2002] J114158+194900 GiC 11 41 58.26 +19 49 00.9           ~ 1 0
15 [IBC2002] J114202+194348 GiC 11 42 02.30 +19 43 48.5           ~ 1 0
16 [IBC2002] J114202+192648 GiC 11 42 02.96 +19 26 48.2           ~ 1 0
17 Z 97-62 GiC 11 42 14.7903136248 +19 58 35.391740736   15.5   14.67   ~ 75 0
18 Z 97-63 GiC 11 42 15.623 +20 02 55.22   15.7       ~ 54 0
19 2MASX J11421810+1950160 GiC 11 42 18.1149513600 +19 50 15.964484676           ~ 17 0
20 LEDA 1611824 rG 11 42 39.32038 +19 58 08.2192 17.95 18.27   17.27   ~ 17 0
21 SDSS J114240.34+195717.0 GiC 11 42 40.356 +19 57 17.18 19.17 19.35   18.16   ~ 7 0
22 Z 97-73 rG 11 42 56.45030 +19 57 58.3716 15.85 16.25   15.27   ~ 106 0
23 SDSS J114313.05+193646.9 GiC 11 43 13.054 +19 36 46.97           ~ 15 0
24 Z 97-79 GiC 11 43 13.096 +20 00 17.52 15.91 16.52   15.56   ~ 113 0
25 LEDA 1613851 GiC 11 43 41.55605 +20 01 36.9224 18.48 18.66   17.57   ~ 15 0
26 2MASX J11434889+2014543 GiC 11 43 48.9072277296 +20 14 54.114329544 16.96 17.22   16.12   ~ 26 0
27 Z 97-87 GiC 11 43 49.1088652488 +19 58 05.954438316 13.96 14.35 13.59 13.29   ~ 237 3
28 2MASX J11434983+1958343 GiC 11 43 49.830 +19 58 34.35 17.69 17.73   16.57   ~ 13 0
29 SDSS J114355.78+192746.1 GiC 11 43 55.78872 +19 27 46.1664           ~ 5 0
30 Z 97-92 H2G 11 43 58.2415073856 +20 11 07.455302304 15.80 15.92   14.79   ~ 55 0
31 NGC 3840 EmG 11 43 58.9639501800 +20 04 37.309753452 14.87 14.89 13.84 13.58   ~ 131 1
32 NGC 3844 GiG 11 44 00.7966270512 +20 01 45.574173696 15.31 14.85 13.87     ~ 62 1
33 [CGI2003] J114430+195718 GiC 11 44 30.369 +19 57 19.08           ~ 3 0
34 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
35 NGC 3860B H2G 11 44 47.791 +19 46 24.29 16.22 16.53   15.45   ~ 79 0
36 SDSS J114454.61+194732.5 GiC 11 44 54.61776 +19 47 32.5680   18.35       ~ 11 0
37 Z 97-125 GiG 11 44 54.8372181216 +19 46 34.904680824   15.4   14.14   ~ 85 0
38 2MASX J11445486+2001019 GiC 11 44 54.866 +20 01 01.99           ~ 12 0
39 [IBC2002] J114503+195002 GiC 11 45 03.38 +19 50 02.7           ~ 1 0
40 NGC 3861B AGN 11 45 06.9604411968 +19 58 00.691048200   14.0   14.59   ~ 33 2
41 2MASX J11451377+1945219 GiC 11 45 13.777 +19 45 21.94           ~ 18 0
42 SDSS J114518.13+200009.0 GiC 11 45 18.12976 +20 00 08.9296           ~ 7 0
43 2MASX J11460369+1947128 GiC 11 46 03.6590046624 +19 47 13.011292608           ~ 8 0
44 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
45 MCG+05-31-035 EmG 12 57 57.748 +28 03 41.50   16 17.10 17.09   ~ 83 0
46 NGC 4848 AGN 12 58 05.5778304792 +28 14 33.253619100   14.2   13.53   ~ 211 0
47 LAMOST J125845.68+284132.9 GiC 12 58 45.648 +28 41 33.55     16.65 16.71   ~ 9 0
48 A2 259 EmG 12 58 45.84912 +28 32 34.5012   18.65 17.19 17.23   ~ 13 0
49 IC 3949 AGN 12 58 55.952 +27 50 00.40 15.31 15.10 14.26 14.781 14.083 ~ 148 1
50 NGC 4858 EmG 12 59 02.0718950520 +28 06 56.228264028 15.33 15.5 15.08 15.16   ~ 126 0
51 IC 3960 AGN 12 59 07.9458606024 +27 51 17.892495432 15.96 15.5 14.47 14.233 13.516 ~ 103 1
52 LEDA 44586 EmG 12 59 23.1503980152 +28 29 19.019855220   16 15.73 15.65   ~ 38 0
53 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
54 FOCA 0728-371 GiC 13 00 06.25536 +28 15 00.4500           ~ 17 0
55 GMP 2565 EmG 13 00 37.14213 +28 39 50.8176   17.96 16.77 16.62   ~ 22 0
56 IC 4040 EmG 13 00 37.9703238053 +28 03 26.882897167 15.13 15.1 15.04 14.74 13.981 ~ 175 2
57 5C 4.109 GiC 13 00 40.675 +28 31 11.64   16       ~ 45 0
58 NGC 4911 LIN 13 00 56.0616749160 +27 47 27.152821212 14.58 13.7 13.33 12.601 12.068 ~ 218 1
59 LEDA 1838241 GiC 13 01 14.96406 +28 31 18.3366     16.84 16.86   ~ 25 0
60 Z 160-98 EmG 13 01 25.0686818587 +28 40 38.052613761   15.38 14.37 14.26   ~ 73 0
61 2MASX J13012713+2759566 GiC 13 01 27.1496982624 +27 59 57.116288112   16       ~ 39 0
62 [CGI2003] J130128+281515 GiC 13 01 28.63 +28 15 15.9           ~ 2 0
63 LAMOST J130130.82+283326.6 SyG 13 01 30.8641865640 +28 33 23.991186132           ~ 12 0
64 GMP 1925 GiC 13 01 40.913 +28 14 56.48     18.96 18.94   ~ 5 0
65 [CGI2003] J130158+282114 GiC 13 01 58.43 +28 21 14.8           ~ 4 0
66 LEDA 83761 GiC 13 02 11.634 +28 10 20.24   16 15.64 15.47   ~ 36 0
67 Z 160-108 EmG 13 02 12.774 +28 12 53.47   15.5       ~ 67 0

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