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Query : 2001MNRAS.326.1547T |
2001MNRAS.326.1547T - Mon. Not. R. Astron. Soc., 326, 1547-1562 (2001/October-1)
The colour-magnitude relation for galaxies in the Coma cluster.
TERLEVICH A.I., CALDWELL N. and BOWER R.G.
Abstract (from CDS):
We place new limits on the levels of scatter in the colour-magnitude relation (CMR) in the Coma cluster, and investigate how the slope and scatter of the CMR depend on galaxy morphology, luminosity and position within the cluster. As expected, the lowest levels of scatter are found in the elliptical galaxies, while the late-type galaxies have the highest numbers of galaxies bluewards of the CMR. We investigate whether the slope of the CMR is an artefact of colour gradients within galaxies, and show that it persists when the colours are measured within a diameter that scales with galaxy size. Looking at the environmental dependence of the CMR, we find a trend of systematically bluer galaxy colours with increasing projected radius from the centre of the cluster. Surprisingly, this is accompanied by a decreased scatter of the CMR. We investigate whether this gradient could be caused by dust in the cluster potential, however the reddening required would produce too large a scatter in the colours of the central galaxies. The gradient appears to be better reproduced by a gradient in the mean galactic ages with projected radius.
Abstract Copyright: The Royal Astronomical Society
Journal keyword(s): catalogues - galaxies: clusters: individual: Coma - galaxies: fundamental parameters
Nomenclature: Catalogue: [TCB2001] FF-NNN N=1441.
Simbad objects: 62
Number of rows : 62 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | NAME Hubble Deep Field | reg | 12 36 49.5 | +62 12 58 | ~ | 1921 | 1 | |||||
2 | 2MASX J12571778+2748388 | EmG | 12 57 17.8127988168 | +27 48 39.313837872 | 15 | ~ | 39 | 0 | ||||
3 | 2MASX J12572351+2745588 | GiC | 12 57 23.4686817552 | +27 45 58.626253332 | 16 | ~ | 22 | 0 | ||||
4 | NGC 4839 | rG | 12 57 24.3563164776 | +27 29 52.203087132 | 13.56 | 13.02 | 12.06 | ~ | 465 | 3 | ||
5 | LEDA 126874 | GiC | 12 57 26.120 | +27 39 33.84 | ~ | 14 | 0 | |||||
6 | 2MASX J12573641+2804368 | GiC | 12 57 36.4422463488 | +28 04 37.278479424 | 16 | ~ | 20 | 0 | ||||
7 | 2MASX J12574670+2808264 | GiC | 12 57 46.7047022328 | +28 08 26.747855484 | 16 | ~ | 25 | 0 | ||||
8 | 2MASX J12575059+2752454 | GiG | 12 57 50.6358338592 | +27 52 46.172236800 | 15.3 | ~ | 36 | 0 | ||||
9 | MCG+05-31-036 | AGN | 12 57 54.3651088944 | +27 29 26.392988076 | 16.38 | 15.02 | ~ | 49 | 1 | |||
10 | A2 236 | GiC | 12 57 56.22936 | +27 34 52.8320 | 16.90 | ~ | 35 | 0 | ||||
11 | LEDA 83707 | GiC | 12 57 56.796 | +27 59 30.31 | 16 | ~ | 30 | 0 | ||||
12 | MCG+05-31-035 | EmG | 12 57 57.748 | +28 03 41.50 | 16 | ~ | 76 | 0 | ||||
13 | MCG+05-31-037 | LIN | 12 58 01.5650845536 | +27 29 22.847682660 | 14.5 | ~ | 51 | 0 | ||||
14 | 2MASX J12581682+2743467 | GiC | 12 58 16.8233672328 | +27 43 46.903260036 | 17.46 | 16.44 | ~ | 12 | 0 | |||
15 | LEDA 1819621 | GiC | 12 58 18.210 | +27 50 54.56 | 17.77 | 17.09 | ~ | 21 | 0 | |||
16 | TT 33 | rG | 12 58 18.6318954144 | +27 18 38.983019940 | 16.95 | 15.77 | ~ | 69 | 0 | |||
17 | NGC 4851 | GiG | 12 58 21.7112672880 | +28 08 55.482369216 | 15.87 | 15.2 | 14.49 | ~ | 52 | 0 | ||
18 | IC 839 | GiG | 12 58 22.1618225520 | +28 09 07.650507456 | 16.24 | 15.2 | 14.94 | ~ | 39 | 0 | ||
19 | LEDA 1827127 | EmG | 12 58 25.5275211384 | +28 07 44.085207936 | 16.77 | 16.32 | ~ | 25 | 0 | |||
20 | LEDA 44461 | AGN | 12 58 28.408 | +27 33 33.76 | 16 | ~ | 39 | 0 | ||||
21 | [HHM2010] 194.63194+27.39504 | GiC | 12 58 31.663 | +27 23 42.08 | 18.77 | 17.48 | ~ | 14 | 0 | |||
22 | 2MASX J12583314+2721517 | GiC | 12 58 33.1369880712 | +27 21 51.737031936 | 15 | ~ | 30 | 1 | ||||
23 | NGC 4853 | AGN | 12 58 35.1979266912 | +27 35 46.930900632 | 13.96 | 14.68 | 13.00 | 13.24 | ~ | 145 | 1 | |
24 | IC 3943 | LIN | 12 58 36.3535295664 | +28 06 49.471215084 | 15.63 | 15.6 | 14.13 | ~ | 58 | 0 | ||
25 | IC 3946 | AG? | 12 58 48.7288667760 | +27 48 37.586925792 | 15.33 | 15.3 | 13.85 | 13.821 | 13.094 | ~ | 75 | 0 |
26 | 2MASX J12585341+2807339 | GiC | 12 58 53.4454842792 | +28 07 33.862368612 | 16.77 | 15 | 15.34 | ~ | 35 | 0 | ||
27 | LEDA 126813 | GiC | 12 58 53.790 | +27 23 19.13 | ~ | 8 | 0 | |||||
28 | LEDA 126807 | GiC | 12 59 00.400 | +27 38 38.34 | 18.89 | 19.11 | 18.65 | 18.28 | 18.00 | ~ | 10 | 0 |
29 | 2MASX J12590180+2813309 | AGN | 12 59 01.8109774776 | +28 13 31.188539316 | 15.48 | 15.3 | 14.01 | ~ | 61 | 0 | ||
30 | NGC 4858 | EmG | 12 59 02.0718950520 | +28 06 56.228264028 | 15.33 | 15.5 | 15.02 | ~ | 114 | 0 | ||
31 | Mrk 58 | EmG | 12 59 05.2918849008 | +27 38 40.186270032 | 14.90 | 15.1 | 14.54 | ~ | 122 | 0 | ||
32 | IC 3955 | GiC | 12 59 06.0295581048 | +27 59 48.152325300 | 15.78 | 15.591 | 14.31 | 14.011 | 13.323 | ~ | 94 | 0 |
33 | LEDA 126798 | GiC | 12 59 14.984 | +28 15 03.66 | 17.42 | 17.60 | 16.77 | 16.60 | ~ | 24 | 0 | |
34 | LEDA 126795 | GiC | 12 59 18.541 | +27 35 36.94 | 17.79 | 17.93 | 17.22 | 16.77 | ~ | 24 | 0 | |
35 | NGC 4856 | GiG | 12 59 21.2433153888 | -15 02 31.292291292 | 11 | 10.72 | ~ | 82 | 0 | |||
36 | NGC 4871 | AGN | 12 59 29.9631023208 | +27 57 23.169658968 | 15.59 | 15.1 | 14.07 | 13.801 | 13.113 | ~ | 116 | 0 |
37 | IC 3973 | AG? | 12 59 30.8230953864 | +27 53 03.142254372 | 15.50 | 15.2 | 14.03 | 13.802 | 13.114 | ~ | 108 | 0 |
38 | NGC 4874 | LIN | 12 59 35.7093764280 | +27 57 33.293892204 | 13.01 | 13.7 | 11.40 | 12.122 | 11.386 | ~ | 779 | 3 |
39 | LEDA 44636 | G | 12 59 38.3213456016 | +27 59 13.953200280 | 17.19 | 17.13 | 15.88 | 15.651 | 15.002 | ~ | 64 | 0 |
40 | LEDA 44643 | EmG | 12 59 39.8152735224 | +27 34 35.193798804 | 16.53 | 15.51 | ~ | 46 | 0 | |||
41 | ACO 1656 | ClG | 12 59 44.40 | +27 54 44.9 | ~ | 4784 | 2 | |||||
42 | LEDA 126782 | GiC | 12 59 46.279 | +27 44 46.50 | 18.39 | 18.16 | 17.64 | 17.19 | 16.95 | ~ | 22 | 0 |
43 | 2MASX J12595617+2744473 | LSB | 12 59 56.1192738432 | +27 44 46.724602092 | 17.15 | 17.331 | 16.59 | 16.514 | 16.04 | ~ | 34 | 0 |
44 | 2MASX J12595670+2755483 | GiC | 12 59 56.6529405408 | +27 55 48.133297416 | 16.72 | 16.765 | 15.42 | 15.231 | 14.592 | ~ | 67 | 0 |
45 | LEDA 126767 | LSB | 13 00 08.059 | +27 46 23.94 | 17.45 | 17.675 | 16.85 | 16.814 | 16.398 | ~ | 32 | 0 |
46 | NGC 4889 | EmG | 13 00 08.097 | +27 58 37.29 | 12.93 | 13.0 | 11.30 | 11.652 | 10.906 | ~ | 703 | 1 |
47 | LEDA 44723 | G | 13 00 12.8704082496 | +28 04 31.779305976 | 16.53 | 16.272 | 15.17 | 14.742 | 14.122 | ~ | 77 | 0 |
48 | LEDA 93586 | AG? | 13 00 18.7771580832 | +27 56 13.466814396 | 16.99 | 17.014 | 15.83 | 15.621 | 14.962 | ~ | 56 | 0 |
49 | Z 160-86 | EmG | 13 00 33.732 | +27 38 15.64 | 15.4 | ~ | 110 | 0 | ||||
50 | IC 4040 | rG | 13 00 37.861 | +28 03 28.68 | 15.13 | 15.1 | 14.76 | 14.708 | 13.981 | ~ | 162 | 0 |
51 | IC 4042 | AGN | 13 00 42.7595583480 | +27 58 16.579136856 | 15.44 | 15.272 | 14.01 | 13.713 | 13.025 | ~ | 102 | 0 |
52 | NGC 4907 | LIN | 13 00 48.8047215840 | +28 09 30.079901916 | 15.27 | 14.6 | 13.81 | ~ | 92 | 0 | ||
53 | NGC 4911 | LIN | 13 00 56.0616749160 | +27 47 27.152821212 | 14.58 | 13.7 | 13.33 | 12.601 | 12.068 | ~ | 208 | 0 |
54 | 2MASX J13005921+2753592 | EmG | 13 00 59.2582319952 | +27 53 59.450406900 | 15.99 | 15.6 | 14.61 | ~ | 62 | 0 | ||
55 | LEDA 126742 | GiC | 13 01 19.3212718248 | +27 51 37.756941984 | ~ | 22 | 0 | |||||
56 | NGC 4921 | LIN | 13 01 26.1222244152 | +27 53 09.629006748 | 13.7 | ~ | 209 | 0 | ||||
57 | 2MASX J13012713+2759566 | GiC | 13 01 27.1496982624 | +27 59 57.116288112 | 16 | ~ | 37 | 0 | ||||
58 | NGC 4923 | EmG | 13 01 31.7992415376 | +27 50 51.100173564 | 14.7 | ~ | 111 | 0 | ||||
59 | 2MASX J13014420+2812517 | GiC | 13 01 44.1740267520 | +28 12 51.745218120 | ~ | 19 | 0 | |||||
60 | 2MFGC 10339 | LIN | 13 01 47.0185231920 | +28 05 41.988686424 | 15.2 | ~ | 63 | 0 | ||||
61 | 2MASX J13015023+2753367 | GiG | 13 01 50.2187654184 | +27 53 36.859795296 | 15.5 | ~ | 67 | 0 | ||||
62 | ACO 2390 | ClG | 21 53 37.4 | +17 41 46 | ~ | 686 | 2 |
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