2022MNRAS.511.1992L

Query : 2022MNRAS.511.1992L

2022MNRAS.511.1992L - Mon. Not. R. Astron. Soc., 511, 1992-1998 (2022/April-1)

AGN light echoes and the accretion disc self-gravity limit.

LOBBAN A. and KING A.

Abstract (from CDS):

Accretion disc theory predicts that an AGN disc becomes self-gravitating and breaks up into stars at an outer radius Rsg ≃ 12 light-days, with effectively no free parameter. We present evidence that the longest observed AGN light echoes are all close to 12 d in the AGN rest frames. These observations give a stringent test of the AGN disc theory. Further monitoring should offer insight into the formation angular momentum of the gas forming the disc. For distant AGN, observed lags significantly longer than 12 d give lower limits on their redshifts.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): galaxies: active - black hole physics - X-rays: galaxies

Simbad objects: 37

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Number of rows : 37
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 ESO 113-45 Sy1 01 23 45.7631533440 -58 48 20.808928944   14.08 13.83 13.34   ~ 965 0
2 SDSS J022144.75-033138.8 QSO 02 21 44.754 -03 31 38.88           ~ 12 0
3 [YMD2020] DES J0328-2738 QSO 03 28 01.8542922768 -27 38 15.786754512           ~ 4 0
4 [YMD2020] DES J0328-2817 QSO 03 28 53.9933212320 -28 17 07.000129680           ~ 5 0
5 Z 395-23 Sy1 05 16 11.4092471904 -00 08 59.157166920   14.30 13.92     ~ 953 1
6 Z 232-3 Sy1 05 54 53.6080860768 +46 26 21.624853488   15.37 14.62     ~ 563 3
7 1E 0754+39.3 Sy1 07 58 00.0523246728 +39 20 28.996699092   14.74 14.36 14.4   ~ 104 0
8 NGC 2617 Sy2 08 35 38.7981089496 -04 05 17.901104280   13.6   12.63 13.2 ~ 226 0
9 US 1390 QSO 08 38 36.1455509136 +43 50 53.280311028   19.8       ~ 10 0
10 SDSS J084536.18+453453.6 QSO 08 45 36.1720789824 +45 34 53.608914732           ~ 9 0
11 Mrk 110 Sy1 09 25 12.8479065576 +52 17 10.386311208   16.82 16.41     ~ 681 1
12 [VV2006] J100420.9+013647 QSO 10 04 21.0164729808 +01 36 47.393649792   18.4 18.87 18.7   ~ 26 0
13 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
14 Mrk 142 Sy1 10 25 31.2786898344 +51 40 34.867889004   16.33 16.12     ~ 330 0
15 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
16 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
17 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
18 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
19 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
20 NGC 4593 Sy1 12 39 39.4435107024 -05 20 39.034988448   13.95 13.15     ~ 1179 0
21 LEDA 88835 Sy1 13 25 19.3805530608 -38 24 52.611680340   16.64 13.80 15.33 14.78 ~ 457 0
22 MCG-06-30-015 Sy1 13 35 53.7691256160 -34 17 44.160716796   13.89 13.61 8.9   ~ 1559 0
23 [VV2006] J141104.8+520517 QSO 14 11 04.8699019728 +52 05 16.798061688   19.58 19.25     ~ 36 0
24 SDSS J141546.20+540954.7 QSO 14 15 46.2082668912 +54 09 54.691165908           ~ 19 0
25 NGC 5548 Sy1 14 17 59.5400291832 +25 08 12.603122268   14.35 13.73     ~ 2895 0
26 [VV2006] J141856.2+535845 QSO 14 18 56.1948165888 +53 58 44.981755896   18.90 18.66     ~ 44 0
27 [VV2006] J142008.3+521647 QSO 14 20 08.2724073696 +52 16 46.926094620   18.70 18.40     ~ 36 0
28 SDSS J142106.26+534406.9 QSO 14 21 06.2642863416 +53 44 06.961725780           ~ 21 0
29 SDSS J142336.76+523932.8 QSO 14 23 36.7602506328 +52 39 32.786758440           ~ 20 0
30 Z 296-15 Sy1 14 36 22.0820611632 +58 47 39.394934844   14.19 13.79     ~ 592 0
31 QSO B1725-142 QSO 17 28 19.7893499760 -14 15 55.854918288   14.69 14.03 13.7   ~ 362 0
32 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
33 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
34 NGC 6814 Sy1 19 42 40.5862186152 -10 19 25.108718844   15.33 14.21 11.7 11.3 ~ 866 0
35 Mrk 509 Sy1 20 44 09.7504483224 -10 43 24.727155528   13.35 13.12 10.7   ~ 1370 0
36 NAME MR 2251-178 Sy1 22 54 05.8858611984 -17 34 55.402233708   14.99 14.36 15.12   ~ 467 4
37 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3

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