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Query : 1999AJ....117..744V |
1999AJ....117..744V - Astron. J., 117, 744-763 (1999/February-0)
The black hole mass distribution in early-type galaxies: cusps in Hubble space telescope photometry interpreted through adiabatic black hole growth.
VAN DER MAREL R.P.
Abstract (from CDS):
The models studied here are the ones first proposed by P. Young. They predict I∝r–1/2 at asymptotically small radii, but I∝r–γ at the radii observable with HST. The slope γ can take on all observed values and increases monotonically with µ=Mø/Mcore. Both ``core'' profiles (which have a break at a resolved radius and a shallow slope inside that radius) and ``power-law'' profiles (which have a steep slope down to the resolution limit and no clear break) can be reproduced.
Observations show that, with few exceptions, galaxies with MV←22 have core profiles, and galaxies with MV>-20.5 have power-law profiles; both profile types occur in galaxies with -22<MV←20.5. For the models, the scaling relations for early-type galaxies imply that the progenitor core mass scales with luminosity as Mcore∝L1.5. If, as suggested by various arguments, the black hole (BH) mass Mø scales roughly linearly with luminosity, Mø∝L, then µ∝L–0.5. This yields larger cusp slopes in lower luminosity galaxies. Models with BH masses and progenitor cores that obey established scaling relations predict (at the distance of the Virgo Cluster) that galaxies with MV←21.2 have core profiles and galaxies with MV>-21.2 have power-law profiles. This reproduces both the sense and the absolute magnitude of the observed transition. Intrinsic scatter in BH and galaxy properties can explain why both types of galaxies are observed around the transition magnitude. The observed bimodality in cusp slopes may be due to a bimodality in Mø/L, with rapidly rotating disky galaxies having larger Mø/L than slowly rotating boxy galaxies.
I apply the models to 46 galaxies with published HST photometry. Both core and power-law galaxies are well fitted. The models suggest a roughly linear correlation between BH mass and V-band galaxy luminosity, logMø~-1.83+logL in solar units (rms scatter 0.33 dex). This agrees with the average relation for nearby galaxies with kinematically determined BH masses. Photometrically and kinematically determined BH masses agree to within ∼0.25 dex rms for galaxies that have both. These results provide additional support to the hypothesis that every galaxy (spheroid) has a central BH. The BH mass distribution inferred here is consistent with quasar statistics for a BH accretion efficiency of 4%.
The proposed scenario is not a unique way to interpret the observed surface brightness cusps of galaxies, but it explains observational correlations that are otherwise unexplained, and it yields BH masses that agree with those determined kinematically.
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Elliptical and Lenticular, cD - Galaxies: Kinematics and Dynamics - galaxies: nuclei - galaxies: structure
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 | M 32 | GiG | 00 42 41.82480 | +40 51 54.6120 | 9.51 | 9.03 | 8.08 | ~ | 2154 | 2 | ||
2 | M 31 | AGN | 00 42 44.330 | +41 16 07.50 | 4.86 | 4.36 | 3.44 | ~ | 12650 | 1 | ||
3 | NGC 524 | GiP | 01 24 47.7429545736 | +09 32 20.089023900 | 11.5 | ~ | 462 | 1 | ||||
4 | NGC 596 | GiG | 01 32 51.9046959816 | -07 01 53.646821220 | 11.5 | ~ | 240 | 0 | ||||
5 | 2E 0150.5-1358 | ClG | 01 53 00.40 | -13 44 18.0 | ~ | 387 | 0 | |||||
6 | NGC 720 | Sy1 | 01 53 00.523 | -13 44 19.25 | 12.4 | 10.36 | ~ | 522 | 0 | |||
7 | NGC 1023 | AG? | 02 40 24.0133575864 | +39 03 47.663392896 | 10.91 | 10.35 | 9.35 | 7.83 | ~ | 660 | 2 | |
8 | M 77 | Sy2 | 02 42 40.7091669408 | -00 00 47.859690204 | 9.70 | 9.61 | 8.87 | 10.1 | 9.9 | ~ | 4602 | 2 |
9 | NGC 1172 | GiP | 03 01 36.0605047968 | -14 50 11.499147312 | 12.87 | ~ | 149 | 0 | ||||
10 | NGC 1399 | BiC | 03 38 29.083 | -35 27 02.67 | 11.05 | 9.74 | 9.59 | 8.12 | ~ | 1570 | 1 | |
11 | NGC 1400 | EmG | 03 39 30.851 | -18 41 17.25 | 12.48 | 12.01 | 10.96 | 10.45 | ~ | 299 | 1 | |
12 | NGC 1427 | GiG | 03 42 19.4455150392 | -35 23 33.169251120 | 11.89 | 10.44 | ~ | 281 | 0 | |||
13 | NGC 1426 | GiG | 03 42 49.0997091480 | -22 06 30.173615028 | 12.21 | 11.44 | 10.90 | ~ | 196 | 0 | ||
14 | NGC 1439 | GiG | 03 44 49.9398454104 | -21 55 14.341002960 | 12.23 | 10.86 | ~ | 172 | 0 | |||
15 | NGC 1600 | GiG | 04 31 39.858 | -05 05 09.97 | 8.9 | 10.81 | ~ | 381 | 0 | |||
16 | NGC 1700 | EmG | 04 56 56.3160873072 | -04 51 56.794713228 | 12 | 11.14 | ~ | 348 | 1 | |||
17 | NGC 2832 | BiC | 09 19 46.853 | +33 44 59.07 | 13.3 | 13.17 | ~ | 264 | 3 | |||
18 | NGC 3115 | GiG | 10 05 13.9270507008 | -07 43 06.982712292 | 11 | 9.37 | ~ | 1013 | 2 | |||
19 | ACO 1020 | ClG | 10 27 50.7 | +10 24 40 | ~ | 63 | 0 | |||||
20 | NGC 3377 | GiP | 10 47 42.400 | +13 59 08.30 | 11.55 | 11.24 | 10.38 | ~ | 775 | 1 | ||
21 | M 105 | LIN | 10 47 49.600 | +12 34 53.87 | 10.56 | 9.76 | 9.12 | 8.18 | ~ | 1463 | 0 | |
22 | NGC 3608 | LIN | 11 16 58.967 | +18 08 54.71 | 11.7 | ~ | 508 | 0 | ||||
23 | NGC 4168 | Sy1 | 12 12 17.2692381408 | +13 12 18.688208724 | 12.58 | 12.11 | 11.18 | ~ | 377 | 2 | ||
24 | M 106 | Sy2 | 12 18 57.620 | +47 18 13.39 | 9.14 | 8.41 | 8.11 | ~ | 2364 | 3 | ||
25 | NGC 4261 | LIN | 12 19 23.2160630 | +05 49 29.700024 | 13.92 | 12.87 | ~ | 1223 | 0 | |||
26 | NGC 4278 | LIN | 12 20 06.8242 | +29 16 50.722 | 11.54 | 11.09 | 10.16 | ~ | 946 | 2 | ||
27 | NGC 4342 | GiP | 12 23 39.0032044488 | +07 03 14.359499100 | 13.0 | ~ | 314 | 0 | ||||
28 | NGC 4365 | GiG | 12 24 28.228 | +07 19 03.07 | 11.5 | ~ | 841 | 0 | ||||
29 | M 84 | Sy2 | 12 25 03.74333 | +12 53 13.1393 | 12.67 | 12.09 | 10.49 | ~ | 1763 | 2 | ||
30 | M 86 | GiG | 12 26 11.814 | +12 56 45.49 | 10.32 | 9.83 | 8.90 | 7.50 | ~ | 1084 | 1 | |
31 | NAME Virgo Cluster | ClG | 12 26 32.1 | +12 43 24 | ~ | 6645 | 0 | |||||
32 | M 49 | Sy2 | 12 29 46.8 | +08 00 01 | 13.21 | 12.17 | ~ | 2094 | 2 | |||
33 | NGC 4473 | GiG | 12 29 48.878 | +13 25 45.55 | 11.60 | 11.16 | 10.20 | ~ | 644 | 1 | ||
34 | UGCA 283 | GiG | 12 30 31.985 | +12 29 24.85 | 14.5 | ~ | 413 | 0 | ||||
35 | M 87 | AGN | 12 30 49.42338414 | +12 23 28.0436859 | 10.16 | 9.59 | 8.63 | 7.49 | ~ | 7196 | 3 | |
36 | NGC 4494 | GiP | 12 31 24.0391348536 | +25 46 30.071664120 | 10.55 | 9.74 | ~ | 474 | 0 | |||
37 | M 89 | LIN | 12 35 39.80733343 | +12 33 22.8308657 | 11.29 | 10.73 | 9.75 | ~ | 995 | 2 | ||
38 | NGC 4564 | GiG | 12 36 26.9869512504 | +11 26 21.204472848 | 12.51 | 12.05 | 11.12 | ~ | 595 | 1 | ||
39 | NGC 4570 | GiG | 12 36 53.3828233728 | +07 14 47.697174852 | 11.8 | ~ | 331 | 0 | ||||
40 | NGC 4589 | LIN | 12 37 24.9875 | +74 11 30.903 | 12.0 | ~ | 285 | 1 | ||||
41 | M 104 | LIN | 12 39 59.43185902 | -11 37 22.9961800 | 9.51 | 9.55 | 8.00 | 8.05 | ~ | 1396 | 3 | |
42 | M 59 | GiG | 12 42 02.2581375168 | +11 38 48.909507756 | 11.0 | ~ | 693 | 0 | ||||
43 | NAME NGC 4636 Group | GrG | 12 42 49.5 | +02 41 08 | ~ | 562 | 0 | |||||
44 | NGC 4636 | LIN | 12 42 49.8333280080 | +02 41 15.951929028 | 12.62 | 11.84 | ~ | 1117 | 1 | |||
45 | M 60 | GiP | 12 43 39.9680 | +11 33 09.696 | 10.3 | ~ | 1348 | 1 | ||||
46 | NGC 4697 | GiG | 12 48 35.8981498824 | -05 48 02.482374564 | 10.97 | 9.83 | ~ | 859 | 0 | |||
47 | NGC 4874 | LIN | 12 59 35.7093764280 | +27 57 33.293892204 | 13.01 | 13.7 | 11.40 | 12.122 | 11.386 | ~ | 783 | 3 |
48 | NGC 4881 | LIN | 12 59 57.7481819280 | +28 14 48.009858036 | 15.03 | 14.7 | 13.56 | ~ | 187 | 0 | ||
49 | NGC 4889 | EmG | 13 00 08.097 | +27 58 37.29 | 12.93 | 13.0 | 11.30 | 11.652 | 10.906 | ~ | 707 | 1 |
50 | NGC 4945 | Sy2 | 13 05 27.279 | -49 28 04.44 | 9.31 | 14.40 | 7.55 | ~ | 1475 | 2 | ||
51 | NGC 5322 | SyG | 13 49 15.24 | +60 11 25.8 | 11.3 | ~ | 415 | 2 | ||||
52 | ACO 1831 | ClG | 13 59 19.42 | +27 58 08.2 | ~ | 154 | 0 | |||||
53 | NGC 5813 | LIN | 15 01 11.2302420864 | +01 42 07.141569696 | 12.00 | 11.45 | 10.46 | 10.06 | ~ | 637 | 1 | |
54 | ACO 2052 | ClG | 15 16 41.64 | +07 01 45.5 | ~ | 730 | 1 | |||||
55 | NGC 5982 | LIN | 15 38 39.778 | +59 21 21.21 | 12.4 | ~ | 293 | 0 | ||||
56 | NGC 6166 | Sy2 | 16 28 38.24470063 | +39 33 04.2335319 | 12.78 | 11.78 | ~ | 763 | 5 | |||
57 | NGC 6251 | Sy2 | 16 32 31.96989253 | +82 32 16.3999044 | 15.24 | 14.66 | 12.89 | 7.62 | ~ | 727 | 0 | |
58 | ICRF J171914.4+485849 | Sy2 | 17 19 14.4925971408 | +48 58 49.423205136 | 15.86 | 14.81 | 9.44 | ~ | 312 | 1 | ||
59 | NGC 7052 | rG | 21 18 33.0441963648 | +26 26 49.174586196 | 15.52 | 14.85 | 13.09 | ~ | 323 | 1 | ||
60 | IC 1459 | AGN | 22 57 10.60682195 | -36 27 43.9966421 | 10.96 | 11.85 | 9.34 | 10.3 | ~ | 624 | 2 | |
61 | NGC 7626 | rG | 23 20 42.524 | +08 13 01.43 | 12.8 | ~ | 426 | 1 | ||||
62 | NGC 7768 | BiC | 23 50 58.5485212104 | +27 08 50.446633668 | 14.0 | 14.23 | ~ | 187 | 0 |
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