2004A&A...423..833M


C.D.S. - SIMBAD4 rel 1.7 - 2020.08.14CEST14:09:19

2004A&A...423..833M - Astronomy and Astrophysics, volume 423, 833-847 (2004/9-1)

Peculiarities and populations in elliptical galaxies. I. An old question revisited.

MICHARD R. and PRUGNIEL P.

Abstract (from CDS):

Morphological peculiarities, as defined from isophote asymmetries and number of detected shells, jets or similar features, have been estimated in a sample of 117 E classified galaxies, and qualified by an ad hoc Σ2 index. The overall frequency of ``peculiar'' objects (Pec subsample) is 32.5%. It decreases with the cosmic density of the environment, being minimal for the Virgo cluster, the densest environment in the sampled volume. This environmental effect is stronger for galaxies with relatively large Σ2. The Pec subsample objects are compared with ``normal'' objects (Nop subsample) as regards their basic properties. Firstly, they systematically deviate from the Fundamental Plane and the Faber-Jackson relation derived for the Nop subsample, being too bright for their mass. Secondly, the dust content of galaxies, as estimated from IRAS fluxes, are similar in both subsamples. Third, the same is true of the frequency of Kinematically Distinct cores (KDC), suggesting that KDC and morphological peculiarities do not result from the same events in the history of E-galaxies. Using the Nop sample alone, we obtain very tight reference relations between stellar population indicators (U-B, B-V, B-R, V-I, Mg2, Hβ, <Fe>, Mgb) and the central velocity dispersion σ0. The discussion of the residuals of these relations allows us to classify the Pec galaxies in two families i.e. the YP or NGC 2865 family, and the NP or NGC 3923 one. Galaxies in the first group show consistent evidence for a younger stellar population mixed with the old one, in agreement with classical results (Schweizer et al., 1990ApJ...364L..33S; Schweizer & Seitzer, 1992AJ....104.1039S). The second group, however, has ``normal``, or reddish, populations. It is remarkable that a fraction (circa 40%) of morphologically perturbed objects do not display any signature of a young population, either because the event responsible for the pecularity is too ancient, or because it did not produce significant star formation (or eventually that the young sub-population has high metallicity). A preliminary attempt is made to interpret the populations of Pec objects by combining a young Single Stellar Population with a Nop galaxy, with only limited success, perhaps largely due to uncertainties in the SSP indices used.

Abstract Copyright:

Journal keyword(s): galaxies: elliptical and lenticulars, CD - galaxies: photometry

VizieR on-line data: <Available at CDS (J/A+A/423/833): table7.dat table10.dat>

Simbad objects: 118

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Number of rows : 118

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 584 GiP 01 31 20.755 -06 52 05.02 11.93 11.44 10.48     ~ 367 2
2 NGC 596 GiG 01 32 51.906 -07 01 53.54   11.5       ~ 230 0
3 NGC 636 GiG 01 39 06.529 -07 30 45.37   12.5       ~ 181 0
4 2E 0150.5-1358 ClG 01 53 00.40 -13 44 18.0           ~ 386 0
5 NGC 720 GiG 01 53 00.523 -13 44 19.25   12.4   10.36   ~ 493 0
6 NGC 821 G 02 08 21.150 +10 59 41.53   12.210 11.310 10.739 9.744 ~ 540 0
7 NGC 990 GiG 02 36 18.206 +11 38 31.57   13.9       ~ 42 0
8 NGC 1052 GiP 02 41 04.79851 -08 15 20.7517 11.84 11.41 10.47 10.71   ~ 1149 2
9 NGC 1172 GiP 03 01 36.0614957678 -14 50 11.496465651   12.87       ~ 138 0
10 NGC 1199 GiP 03 03 38.383 -15 36 48.62   13.99 12.97 12.31 11.59 ~ 176 1
11 NGC 1209 GiP 03 06 03.020 -15 36 40.58   12   11.42   ~ 132 0
12 NGC 1339 GiG 03 28 06.582 -32 17 10.16   12.63   11.18   ~ 152 0
13 NGC 1340 GiG 03 28 19.668 -31 04 05.45   11.20 10.32 9.70   ~ 199 1
14 NGC 1374 GiP 03 35 16.598 -35 13 34.50 12.46 11.97 11.08 10.59   ~ 256 1
15 NGC 1379 GiP 03 36 03.940 -35 26 28.23 12.17 12.04 10.91 10.60   ~ 242 1
16 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1450 1
17 NGC 1395 SyG 03 38 29.789 -23 01 39.69   10.71   8.99   ~ 261 0
18 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 671 1
19 NGC 1407 GiG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 527 1
20 NGC 1427 GiG 03 42 19.4447168502 -35 23 33.193682690   11.89   10.44   ~ 251 0
21 NGC 1426 GiG 03 42 49.0995354501 -22 06 30.172682100   12.21 11.44 10.90   ~ 185 0
22 NGC 1439 GiG 03 44 49.9398366940 -21 55 14.356287885   12.23   10.86   ~ 161 0
23 NGC 1453 GiG 03 46 27.269 -03 58 07.55   13   11.30   ~ 154 0
24 NGC 1537 GiG 04 13 40.706 -31 38 43.48   11.54   10.11   ~ 94 0
25 NGC 1549 GiP 04 15 45.223 -55 35 32.50 11.22 10.48 9.79 9.08   ~ 226 1
26 NGC 1600 GiG 04 31 39.858 -05 05 09.97   8.9   10.81   ~ 330 0
27 NGC 1653 GiG 04 45 47.362 -02 23 34.09   12.9       ~ 53 0
28 NGC 1700 GiG 04 56 56.347 -04 51 56.64   12   11.14   ~ 331 1
29 NGC 2305 GiG 06 48 37.295 -64 16 24.05   12.82   10.98   ~ 67 0
30 NGC 2314 GiG 07 10 32.567 +75 19 35.81   13.1       ~ 74 1
31 NGC 2434 GiG 07 34 51.1487209121 -69 17 03.008825858 12.82 12.50 11.26 10.84   ~ 177 1
32 NGC 2768 SyG 09 11 37.504 +60 02 13.95 11.30 10.84 9.87     ~ 467 2
33 NGC 2778 GiP 09 12 24.3746247420 +35 01 39.130438907   13.1       ~ 265 0
34 NGC 2865 GiG 09 23 30.205 -23 09 41.37   12.39 11.43 11.06   ~ 226 0
35 NGC 2974 Sy2 09 42 33.267 -03 41 56.82   12.19   10.77   ~ 411 0
36 NGC 2986 GiG 09 44 16.044 -21 16 41.84   11.60 10.93 9.96   ~ 158 0
37 NGC 3078 GiG 09 58 24.5976687647 -26 55 35.945681694   12.00 11.07 10.51   ~ 138 0
38 NGC 3087 GiG 09 59 08.646 -34 13 30.79   12.69 11.55 11.02   ~ 77 0
39 NGC 3091 BiC 10 00 14.125 -19 38 11.32   12.04 10.61 10.56 9.25 ~ 161 0
40 NGC 3193 GiP 10 18 24.884 +21 53 38.32 12.29 11.83 10.88 12.19   ~ 269 1
41 NGC 3226 GiP 10 23 27.0067240562 +19 53 54.682329315   14.32 13.33     ~ 395 1
42 NGC 3250 GiG 10 26 32.278 -39 56 38.07   12.26 11.03 10.57   ~ 90 0
43 NGC 3258 BiC 10 28 53.588 -35 36 19.98   12.50 11.72 10.86   ~ 170 0
44 NGC 3268 BiC 10 30 00.655 -35 19 31.83   12.57 11.77 10.68   ~ 141 0
45 NGC 3377 GiP 10 47 42.400 +13 59 08.30 11.55 11.24 10.38     ~ 730 1
46 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1380 0
47 NGC 3557 rG 11 09 57.653 -37 32 21.02   11.50 10.40 9.79   ~ 256 2
48 NGC 3585 GiG 11 13 17.109 -26 45 17.96   10.64   9.22   ~ 263 0
49 NGC 3608 LIN 11 16 58.967 +18 08 54.71   11.7       ~ 476 0
50 NGC 3610 GiG 11 18 25.276 +58 47 10.49   11.4       ~ 283 0
51 NGC 3613 GiG 11 18 36.130 +57 59 59.73   11.6       ~ 190 0
52 NGC 3640 GiG 11 21 06.852 +03 14 05.15 11.89 11.36 10.44     ~ 254 3
53 NGC 3818 GiG 11 41 57.3592664401 -06 09 20.448440482   13   11.78   ~ 171 0
54 NGC 3904 GiG 11 49 13.206 -29 16 36.09   11.82 10.96 10.29   ~ 148 0
55 NGC 3923 GiG 11 51 01.783 -28 48 22.36 11.41 10.59 9.80 8.88   ~ 399 1
56 NGC 3962 LIN 11 54 40.104 -13 58 29.95   13.16 12.16 11.15   ~ 144 0
57 NGC 4125 GiP 12 08 06.017 +65 10 26.88 11.14 10.65 9.72     ~ 398 2
58 NGC 4168 Sy1 12 12 17.234 +13 12 19.27 12.58 12.11 11.18     ~ 355 2
59 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1116 0
60 NGC 4278 LIN 12 20 06.82563 +29 16 50.7124 11.54 11.09 10.16     ~ 889 2
61 NGC 4291 GiG 12 20 17.699 +75 22 15.47   17.0       ~ 282 1
62 NGC 4339 GiP 12 23 34.9404906978 +06 04 54.466056554   13.1       ~ 221 0
63 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 798 0
64 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1637 2
65 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1014 1
66 IC 3370 LIN 12 27 37.310 -39 20 16.13   11.99 12.12 10.39   ~ 142 0
67 M 49 Sy2 12 29 46.798 +08 00 01.48   13.21 12.17     ~ 1960 2
68 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 604 1
69 NGC 4478 GiP 12 30 17.439 +12 19 42.88 12.82 12.36 11.45   10.17 ~ 471 1
70 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6237 3
71 NGC 4494 GiP 12 31 24.034 +25 46 29.93   10.55 9.74     ~ 451 0
72 M 89 LIN 12 35 39.8 +12 33 23 11.29 10.73 9.75     ~ 925 2
73 NGC 4564 GiG 12 36 26.994 +11 26 21.55 12.51 12.05 11.12     ~ 562 1
74 NGC 4589 LIN 12 37 25.0 +74 11 31   12.0       ~ 262 1
75 NGC 4648 GiG 12 41 44.410 +74 25 15.18   12.6       ~ 106 0
76 M 59 GiG 12 42 02.322 +11 38 48.95   11.0       ~ 657 0
77 NGC 4636 LIN 12 42 49.867 +02 41 16.01   12.62 11.84     ~ 1041 1
78 M 60 GiP 12 43 40.008 +11 33 09.40   10.3       ~ 1251 0
79 NGC 4645 GiG 12 44 09.983 -41 44 59.64   12.82 11.68 11.76   ~ 77 0
80 NGC 4660 GiP 12 44 31.9848549289 +11 11 25.730688043   12.1       ~ 397 0
81 NGC 4697 GiG 12 48 35.8992791100 -05 48 02.497675635   10.97   9.83   ~ 804 0
82 NGC 4696 BiC 12 48 49.277 -41 18 39.92   11.21   10.7   ~ 455 3
83 NGC 4729 GiG 12 51 46.2929882932 -41 07 56.080975209   13.49   11.82   ~ 54 1
84 NGC 4767 GiG 12 53 52.954 -39 42 51.67   12.62 11.53 10.90   ~ 82 0
85 NGC 4976 GiG 13 08 37.526 -49 30 23.07   11.05 10.20     ~ 98 1
86 NGC 5017 GiG 13 12 54.5177420867 -16 45 56.875982723   13.2   12.49   ~ 63 0
87 NGC 5018 GiP 13 13 01.000 -19 31 05.87   11.71   10.31   ~ 286 1
88 NGC 5044 BiC 13 15 23.969 -16 23 08.00   11.9   10.74   ~ 452 0
89 NGC 5061 GiG 13 18 05.054 -26 50 14.00   11.18 10.41 9.66   ~ 157 0
90 NGC 5077 GiP 13 19 31.66964077 -12 39 25.0754790   13.87 12.85 11.30   ~ 270 0
91 NGC 5198 GiP 13 30 11.411 +46 40 14.99   13.2       ~ 158 0
92 NGC 5322 SyG 13 49 15.24 +60 11 25.8   11.3       ~ 382 2
93 NGC 5557 GiG 14 18 25.708 +36 29 37.28   12.2       ~ 197 0
94 NGC 5576 GiP 14 21 03.691 +03 16 15.78 12.25 11.85 10.96     ~ 303 1
95 NGC 5638 GiP 14 29 40.389 +03 14 00.39 12.57 12.14 11.20     ~ 228 2
96 NGC 5813 LIN 15 01 11.265 +01 42 07.09 12.00 11.45 10.46 10.06   ~ 579 1
97 NGC 5831 GiG 15 04 07.024 +01 13 11.70   13.1   11.19   ~ 279 0
98 NGC 5846 BiC 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 773 1
99 NGC 5898 GiG 15 18 13.554 -24 05 52.66   12.37 11.52 10.71   ~ 147 1
100 NGC 5903 GiG 15 18 36.529 -24 04 06.94   12.11 11.48 10.73   ~ 133 1
101 NGC 5982 LIN 15 38 39.778 +59 21 21.21   12.4       ~ 278 0
102 NGC 6411 G 17 35 32.820 +60 48 48.19   13.2       ~ 103 0
103 NGC 6758 GiG 19 13 52.317 -56 18 35.65   12.53 11.56 10.83   ~ 79 0
104 NGC 6851 GiG 20 03 34.402 -48 17 04.21   12.83 11.67 11.31   ~ 90 0
105 NGC 6868 GiP 20 09 54.082 -48 22 46.25   11.58 9.22 10.01 7.91 ~ 204 1
106 NGC 6876 GiG 20 18 19.146 -70 51 31.80   11.76 11.54 10.45   ~ 122 0
107 NGC 6909 G 20 27 38.9328017774 -47 01 37.159090888   12.76 11.88 11.52   ~ 101 0
108 NGC 7097 GiP 21 40 12.883 -42 32 21.81   12.66 11.71 11.21   ~ 113 0
109 NGC 7144 GiG 21 52 42.4886891987 -48 15 13.724134706   11.87 10.71 10.39   ~ 143 1
110 NGC 7145 GiG 21 53 20.237 -47 52 56.96   12.13 11.23 10.77   ~ 110 0
111 NGC 7391 G 22 50 36.145 -01 32 41.31   13.7       ~ 58 0
112 IC 1459 GiP 22 57 10.60677155 -36 27 43.9953697   10.96 11.85 9.34 10.3 ~ 573 2
113 NGC 7454 GiG 23 01 06.5111755176 +16 23 18.475417783   13.6       ~ 138 0
114 NGC 7507 GiG 23 12 07.595 -28 32 22.70   11.60   9.98   ~ 167 0
115 NGC 7562 GiP 23 15 57.503 +06 41 14.97   13.0       ~ 154 0
116 NGC 7619 GiG 23 20 14.524 +08 12 22.63   12.7       ~ 404 0
117 NGC 7626 rG 23 20 42.524 +08 13 01.43   12.8       ~ 403 1
118 NGC 7785 G 23 55 19.036 +05 54 57.16   13.00       ~ 168 0

    Equat.    Gal    SGal    Ecl

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2020.08.14-14:09:20

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