2015MNRAS.446.2330S

Query : 2015MNRAS.446.2330S

2015MNRAS.446.2330S - Mon. Not. R. Astron. Soc., 446, 2330-2336 (2015/January-3)

Overmassive black holes in the MBH-σ diagram do not belong to over (dry) merged galaxies.

SAVORGNAN G.A.D. and GRAHAM A.W.

Abstract (from CDS):

Semi-analytical models in a Λ cold dark matter cosmology have predicted the presence of outlying, `overmassive' black holes at the high-mass end of the (black hole mass-galaxy velocity dispersion) MBH-σ diagram (which we update here with a sample of 89 galaxies). They are a consequence of having experienced more dry mergers - thought not to increase a galaxy's velocity dispersion - than the `main-sequence' population. Wet mergers and gas-rich processes, on the other hand, preserve the main correlation. Due to the scouring action of binary supermassive black holes, the extent of these dry mergers (since the last significant wet merger) can be traced by the ratio between the central stellar mass deficit and the black hole mass (Mdef,*/MBH). However, in a sample of 23 galaxies with partially depleted cores, including central cluster galaxies, we show that the `overmassive' black holes are actually hosted by galaxies that appear to have undergone the lowest degree of such merging. In addition, the rotational kinematics of 37 galaxies in the MBH-σ diagram reveals that fast and slow rotators are not significantly offset from each other, also contrary to what is expected if these two populations were the product of wet and dry mergers, respectively. The observations are thus not in accordance with model predictions and further investigation is required.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): black hole physics - galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: formation

VizieR on-line data: <Available at CDS (J/MNRAS/446/2330): table1.dat>

Simbad objects: 94

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Number of rows : 94
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 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
4 NGC 524 GiP 01 24 47.7429545736 +09 32 20.089023900   11.5       ~ 494 1
5 NGC 821 AG? 02 08 21.1358498040 +10 59 41.832436704   12.210 11.310 10.739 9.744 ~ 592 0
6 NGC 1023 AG? 02 40 24.0133575864 +39 03 47.663392896 10.91 10.35 9.35 7.83   ~ 689 2
7 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
8 NGC 1194 Sy2 03 03 49.1124029328 -01 06 13.415103900   15.29 14.18     ~ 307 0
9 NGC 1300 Sy2 03 19 41.0462219928 -19 24 40.187565432   11.16 10.42 9.90 10.7 ~ 616 0
10 NGC 1277 GiG 03 19 51.4854427512 +41 34 24.934439244   14.9       ~ 235 0
11 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
12 NGC 1332 GiP 03 26 17.321 -21 20 07.33   11.45   9.84   ~ 378 0
13 NGC 1374 EmG 03 35 16.5885737352 -35 13 34.563417168 12.46 11.97 11.08 10.59   ~ 322 1
14 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
15 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
16 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
17 NGC 1550 BiC 04 19 37.9450450152 +02 24 35.918168940   14.0       ~ 183 1
18 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
19 Z 286-10 Sy2 07 19 30.892 +59 21 18.48   13.3       ~ 148 0
20 NGC 2549 AG? 08 18 58.3507032336 +57 48 11.022298740   12.1       ~ 271 0
21 NGC 2778 GiP 09 12 24.3741783168 +35 01 39.140496840   13.1       ~ 303 0
22 NGC 2787 LIN 09 19 18.6046606656 +69 12 11.630716128   12.92 11.79     ~ 381 0
23 NGC 2960 SyG 09 40 36.3826266216 +03 34 37.235848260   13.60       ~ 197 1
24 NGC 2974 Sy2 09 42 33.2918467632 -03 41 57.038311068   12.19   10.77   ~ 463 0
25 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
26 NGC 3091 BiC 10 00 14.125 -19 38 11.32   12.04 10.61 10.56 9.25 ~ 192 0
27 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
28 NGC 3115 GiG 10 05 13.9270507008 -07 43 06.982712292   11   9.37   ~ 1067 2
29 IC 2560 Sy2 10 16 18.7073057664 -33 33 49.720274676   12.53 13.31 11.25 12.2 ~ 283 1
30 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
31 NGC 3245 LIN 10 27 18.3864983136 +28 30 26.621599932   11.6       ~ 372 0
32 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
33 NGC 3377 GiP 10 47 42.400 +13 59 08.30 11.55 11.24 10.38     ~ 798 1
34 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
35 NGC 3384 GiG 10 48 16.8855574392 +12 37 45.371165844   10.0       ~ 617 1
36 NGC 3393 Sy2 10 48 23.4653152920 -25 09 43.487648784   13.10 13.95 11.67 12.2 ~ 471 1
37 NGC 3414 GiC 10 51 16.2099174408 +27 58 30.297624852   12.1       ~ 353 0
38 NGC 3489 GiG 11 00 18.5483994744 +13 54 04.206202668 11.46 11.12 10.29     ~ 429 1
39 NGC 3585 GiG 11 13 17.109 -26 45 17.96   10.64   9.22   ~ 304 0
40 NGC 3607 Sy2 11 16 54.65687 +18 03 06.5120   13.84 12.76     ~ 490 1
41 NGC 3608 LIN 11 16 58.967 +18 08 54.71   11.7       ~ 527 0
42 NGC 3842 BiC 11 44 02.155 +19 56 59.37 14.22 13.70 11.82 12.04   ~ 308 3
43 NGC 3998 Sy2 11 57 56.1334044408 +55 27 12.922443432   11.64 12.10 10.09   ~ 682 2
44 NGC 4026 GiP 11 59 25.0914676128 +50 57 41.951225700   12.17       ~ 290 0
45 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
46 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
47 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
48 NGC 4291 GiG 12 20 17.699 +75 22 15.47   17.0       ~ 321 1
49 NGC 4342 GiP 12 23 39.0032044488 +07 03 14.359499100   13.0       ~ 337 0
50 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
51 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
52 NGC 4459 H2G 12 29 00.0329905416 +13 58 42.826603332   11.6       ~ 567 0
53 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
54 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 671 1
55 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
56 NGC 4486A GiG 12 30 57.7095721176 +12 16 13.316512872   11.2 11.59 12.02   ~ 242 1
57 M 89 Sy2 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 1037 2
58 NGC 4564 GiG 12 36 26.9869512504 +11 26 21.204472848 12.51 12.05 11.12     ~ 615 1
59 NGC 4596 GiP 12 39 55.9544722920 +10 10 34.185047628   12.4       ~ 387 0
60 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
61 M 59 GiG 12 42 02.2581375168 +11 38 48.909507756   11.0       ~ 721 0
62 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
63 NGC 4697 GiG 12 48 35.8981498824 -05 48 02.482374564   10.97   9.83   ~ 895 0
64 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1476 2
65 NGC 4751 GiG 12 52 50.7492182112 -42 39 35.537977836   12.99   11.26   ~ 93 0
66 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 1010 2
67 NGC 4889 EmG 13 00 08.097 +27 58 37.29 12.93 13.0 11.30 11.652 10.906 ~ 742 1
68 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
69 NGC 5077 rG 13 19 31.66962921 -12 39 25.0765176   13.87 12.85 11.30   ~ 312 1
70 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
71 ACO 3565 ClG 13 36 39 -33 58.3           ~ 116 1
72 IC 4296 rG 13 36 39.03253319 -33 57 57.0730368   11.52 12.99 10.00 10.79 ~ 520 2
73 NGC 5328 Sy1 13 52 53.313 -28 29 21.38   12.74   11.11   ~ 116 0
74 MCG-02-36-002 rG 14 01 41.8427019024 -11 36 24.845027796   15.00       ~ 117 2
75 ACO 1836 ClG 14 01 42.0 -11 36 20           ~ 84 0
76 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
77 NGC 5516 GiG 14 15 54.7044314904 -48 06 53.421485436   13.01   11.11   ~ 69 0
78 NGC 5576 GiP 14 21 03.691 +03 16 15.78 12.25 11.85 10.96     ~ 347 1
79 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
80 NGC 5845 GiG 15 06 00.7823239488 +01 38 01.704838596   13.8 11.20 12.06 9.94 ~ 403 0
81 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
82 NGC 6086 LIN 16 12 35.5357829352 +29 29 05.246712168   14.8       ~ 202 1
83 NGC 6251 Bla 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 772 1
84 NGC 6264 Sy2 16 57 16.1272966344 +27 50 58.574330124   15.5       ~ 123 1
85 NGC 6323 GiG 17 13 18.0454114728 +43 46 56.772281424   14.8       ~ 103 1
86 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2
87 NGC 6861 EmG 20 07 19.482 -48 22 12.94   12.01 11.10 10.43   ~ 211 0
88 NGC 7052 rG 21 18 33.0441963648 +26 26 49.174586196 15.52 14.85 13.09     ~ 348 1
89 IC 1459 rG 22 57 10.60682195 -36 27 43.9966421   10.96 11.85 9.34 10.3 ~ 652 2
90 NGC 7582 Sy2 23 18 23.60 -42 22 13.3 11.62 10.92 10.62     ~ 978 3
91 NGC 7619 GiG 23 20 14.524 +08 12 22.63   12.7       ~ 472 0
92 NGC 7768 BiC 23 50 58.5485212104 +27 08 50.446633668   14.0 14.23     ~ 198 0
93 NAME MW Group GrG ~ ~           ~ 22 0
94 NAME Local Group GrG ~ ~           ~ 9325 0

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