2020MNRAS.496.1035K

Query : 2020MNRAS.496.1035K

2020MNRAS.496.1035K - Mon. Not. R. Astron. Soc., 496, 1035-1050 (2020/August-1)

An [O III] search for extended emission around AGN with H I mapping: a distant cloud ionized by Mkn 1.

KNESE E.D., KEEL W.C., KNESE G., BENNERT V.N., MOISEEV A., GROKHOVSKAYA A. and DODONOV S.N.

Abstract (from CDS):

Motivated by the discovery of large ionized clouds around AGN, and particularly the large fraction of those that are consistent with photoionized gaseous tidal debris, we searched for [O III] emission around Seyfert galaxies previously mapped in H I, many with extended gas features. Of 26 Seyfert galaxies, we find one spatially extended emission feature, a discrete cloud projected ≃12 kpc SW from the centre of Mkn 1 and spanning a transverse extent of 8 kpc. Optical spectroscopy (Kast/Lick and SCORPIO/BTA) of this cloud confirms its association with the Mkn 1-NGC 451 galaxy pair, closely matching the kinematics of nearby H I structures, and reveals emission-line ratios requiring photoionization by the AGN at roughly the direct observed luminosity of the nucleus. For the entire sample, the full opening angle of the ionization cones (bicones) must be <20° if the AGNs are continuously bright for scales longer than the light-traveltimes to the H I structures. Since typical AGN ionization cones are observed to be much broader than this, our low detection fraction may add to evidence for the ubiquity of strong variations in AGN luminosity on scales 104-105 yr.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: active - galaxies: individual: (Mkn 1) - galaxies: ISM - galaxies: Seyfert

Nomenclature: Table B1: [KKK2020] Akn 539 A (Nos A-D), [KKK2020] Mkn 1 N=1, [KKK2020] Mkn NNN A N=5+2, [KKK2020] MS 04595+0327 A (Nos A-B), [KKK2020] NGC NNNN A N=2+8, [KKK2020] UGC 3157 A (Nos A-B), [KKK2020] UGC 3995 N=1.

Simbad objects: 50

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Number of rows : 50
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 SDSS J003632.35+240229.4 EmO 00 36 32.3571108264 +24 02 29.506894476           ~ 1 0
2 2MASX J00364502+2405313 EmO 00 36 45.0463730880 +24 05 30.819402852           ~ 1 0
3 2MASX J00365081+2355293 EmO 00 36 50.8378792416 +23 55 30.112036932           ~ 1 0
4 NGC 169A SyG 00 36 52.33 +23 59 05.9   14       ~ 25 0
5 SDSS J003706.15+235529.8 EmO 00 37 06.15264 +23 55 29.8884           ~ 1 0
6 SDSS J003706.42+235450.5 EmO 00 37 06.4162418304 +23 54 50.741859636           ~ 1 0
7 NGC 266 LIN 00 49 47.8149787992 +32 16 39.786194928 12.98 12.54 11.63     ~ 202 1
8 Z 501-58 Sy1 00 59 53.2855168104 +31 49 37.254192204   15.25 14.81     ~ 239 0
9 2XMMi J011601.3+330821 EmO 01 16 01.4 +33 08 22           ~ 1 0
10 NGC 449 Sy2 01 16 07.2105079530 +33 05 21.649015602   15.90 14.96     ~ 302 4
11 NGC 451 GiG 01 16 12.395 +33 03 50.75   14.8       ~ 51 0
12 HD 7578 * 01 16 18.9222373488 +33 06 52.989205140   7.207 6.026     K1III 49 0
13 NGC 513 Sy2 01 24 26.8053520680 +33 47 58.224514236   13.4 13.40     ~ 201 1
14 2XMMi J012434.2+334732 EmO 01 24 34.2 +33 47 32           ~ 1 0
15 2XMMi J012437.0+335004 EmO 01 24 37.0 +33 50 04           ~ 1 0
16 Z 502-82 Sy2 01 25 31.4551524072 +32 08 10.473856512   15.01 13.96     ~ 237 0
17 Z 459-57 Sy1 01 27 32.5217343720 +19 10 43.839069600   14.89 14.22     ~ 333 0
18 NGC 591 Sy1 01 33 31.2305692968 +35 40 05.628351108   14.71 13.90     ~ 205 0
19 Z 521-49 AGN 01 34 59.2933165709 +35 02 21.948166535   15.50 14.96     ~ 50 0
20 Z 386-35 Sy1 01 43 57.7777898304 +02 20 59.531401716   14.90 14.07     ~ 569 1
21 Z 412-46 Sy2 01 55 22.0278511032 +06 36 42.434344476   14.449 13.619 13.090 12.381 ~ 157 0
22 NGC 841 LIN 02 11 17.3713704624 +37 29 49.713829692   12.8       ~ 91 0
23 NGC 931 Sy1 02 28 14.4689104272 +31 18 41.469363324   15.71 14.74     ~ 426 1
24 NGC 1167 LIN 03 01 42.3322774176 +35 12 20.300948892   13.84 12.77     ~ 382 1
25 Z 468-1 Sy2 04 46 29.758 +18 27 39.28   15.7       ~ 66 0
26 NAME GHIGO Sy1 05 02 09.0472105920 +03 31 49.931005368   15.45 14.80     ~ 77 1
27 Z 469-3 Sy1 05 10 45.5396425152 +16 29 58.180436556   15.6 15.774     ~ 142 2
28 UGC 3995 A GiP 07 44 07.0 +29 14 56   13.6       ~ 44 0
29 SDSS J074409.03+291228.5 EmO 07 44 09.03192 +29 12 28.6560           ~ 1 0
30 Z 147-61 Sy2 07 44 09.1275236304 +29 14 50.762711400   13.28       ~ 145 1
31 NGC 2960 SyG 09 40 36.3826266216 +03 34 37.235848260   13.60       ~ 197 1
32 SDSS J094103.80+344334.1 G 09 41 03.80160 +34 43 34.1148           ~ 100 0
33 IC 2497 rG 09 41 04.1049384864 +34 43 58.172413980           ~ 90 1
34 Z 190-55 Sy2 13 47 17.7559627128 +34 08 55.633887528   14.5       ~ 103 1
35 Z 74-129 Sy2 14 10 41.3427501312 +13 33 28.917149112   15.54 14.6     ~ 73 0
36 SDSS J141742.11+250411.4 EmO 14 17 42.11040 +25 04 11.4564           ~ 1 0
37 SDSS J141743.50+250400.1 EmO 14 17 43.49952 +25 04 00.1668           ~ 1 0
38 SDSS J141745.92+250838.6 EmO 14 17 45.92664 +25 08 38.6664           ~ 1 0
39 2XMMi J141746.9+250725 EmO 14 17 46.9 +25 07 26           ~ 1 0
40 IC 4397 AGN 14 17 58.7076664200 +26 24 45.429186240   14.2       ~ 68 0
41 NGC 5548 Sy1 14 17 59.5400291832 +25 08 12.603122268   14.35 13.73     ~ 2895 0
42 SDSS J141801.79+251108.3 EmO 14 18 01.79592 +25 11 08.3004           ~ 1 0
43 SDSS J141802.14+251030.4 EmO 14 18 02.13936 +25 10 30.4248           ~ 1 0
44 SDSS J141805.94+250416.3 EmO 14 18 05.93952 +25 04 16.2768           ~ 1 0
45 SDSS J141818.19+250612.6 EmO 14 18 18.20256 +25 06 12.5856           ~ 1 0
46 Z 254-44 Sy2 18 28 48.0776972472 +50 22 20.766036828   15.0       ~ 34 0
47 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3
48 NGC 7591 SyG 23 18 16.2727927344 +06 35 09.108933504   13.8       ~ 285 1
49 NGC 7679 Sy2 23 28 46.6613717400 +03 30 41.013578196   13.2       ~ 289 1
50 NGC 7682 Sy2 23 29 03.9181335984 +03 31 59.921415444   14.3       ~ 254 1

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