2019ApJ...876...96Y

Query : 2019ApJ...876...96Y

2019ApJ...876...96Y - Astrophys. J., 876, 96-96 (2019/May-2)

Luminosity ratio between [O IV] 25.89 µm line and nuclear continuum 12 µm as a diagnostic for "buried" AGNs.

YAMADA S., UEDA Y., TANIMOTO A., KAWAMURO T., IMANISHI M. and TOBA Y.

Abstract (from CDS):

We propose new diagnostics that utilize the [O IV] 25.89 µm and nuclear (subarcsecond scale) 12 µm luminosity ratios for identifying whether an active galactic nucleus (AGN) is deeply "buried" in their surrounding materials. Utilizing a sample of 16 absorbed AGNs at redshifts lower than 0.03 in the Swift/BAT catalog observed with Suzaku, we find that AGNs with small scattering fractions (<0.5%) tend to show weaker [O IV]-to-12 µm luminosity ratios than the average of Seyfert 2 galaxies. This suggests that this ratio is a good indicator for identifying buried AGNs. Then, we apply this criterion to 23 local luminous and ultraluminous infrared galaxies (U/LIRGs) in various merger stages hosting AGNs. We find that AGNs in most mid- to late-stage mergers are buried, while those in earlier-stage ones (including nonmerger) are not. This result suggests that the fraction of buried AGNs in U/LIRGs increases as the galaxy-galaxy interaction becomes more significant.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: active - galaxies: nuclei - infrared: galaxies - X-rays: galaxies

Simbad objects: 44

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Number of rows : 44
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 NGC 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
2 NGC 235 Sy1 00 42 52.8103465632 -23 32 27.718834092   14.24   12.63   ~ 168 1
3 MCG-07-04-025 Sy2 01 38 37.1620572432 -40 00 41.151457872   14.28   12.96   ~ 103 2
4 NGC 788 Sy2 02 01 06.4628889816 -06 48 57.149808084   13.71 12.76 11.79   ~ 291 0
5 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
6 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
7 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
8 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
9 MCG-05-11-006 Sy2 04 13 49.699 -32 00 25.20   13.31 13.3 12.14   ~ 106 1
10 IRAS 05189-2524 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 545 0
11 NGC 2110 Sy2 05 52 11.3768668776 -07 27 22.507465392   14.77 13.51 11.86   ~ 712 1
12 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 533 2
13 IRAS 08572+3915 LIN 09 00 25.38288 +39 03 54.2988     16.66     ~ 450 1
14 MCG-01-24-012 Sy2 09 20 46.2617017368 -08 03 21.933760068   17.86 17.34     ~ 177 0
15 Z 289-11 Sy2 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 617 2
16 MCG-05-23-016 Sy2 09 47 40.1332188528 -30 56 55.960779696   14.10 13.69 12.44   ~ 611 0
17 NGC 3081 Sy2 09 59 29.5437024336 -22 49 34.747341960   13.06 13.55 11.67 12.1 ~ 509 0
18 NGC 3281 Sy2 10 31 52.086 -34 51 13.40   12.62 14.02 11.17   ~ 392 1
19 NGC 3690B GiP 11 28 31.02 +58 33 40.7   11.8       ~ 635 4
20 NGC 3690NE AGN 11 28 33.07 +58 33 54.2   11.8       ~ 635 4
21 NGC 4138 Sy2 12 09 29.8011417048 +43 41 06.864140004 12.46 12.29 11.32 10.82   ~ 436 1
22 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
23 NGC 4507 Sy2 12 35 36.6338976888 -39 54 33.710416272   12.95 13.54 11.70 12.4 ~ 532 1
24 MCG-04-30-007 Sy2 12 38 54.5928340392 -27 18 28.009897704   14.59   12.87   ~ 119 1
25 NGC 4992 Sy2 13 09 05.5929226104 +11 38 02.824910124   14.6       ~ 142 0
26 IC 883 SBG 13 20 35.37960 +34 08 21.8400   14.8       ~ 421 1
27 MCG-03-34-064 Sy2 13 22 24.4583154360 -16 43 42.481822404   14   13.16   ~ 345 2
28 NGC 5135 Sy2 13 25 44.059 -29 50 01.24   12.58 13.35 11.53 12.2 ~ 500 1
29 NGC 5252 Sy2 13 38 15.8707724328 +04 32 33.521265600   15.21 14.21     ~ 514 1
30 NGC 5506 Bla 14 13 14.8761010056 -03 12 27.556909272   15.25 14.38     ~ 1173 1
31 IC 4518A Sy2 14 57 41.18 -43 07 55.6   16.64   13.74   ~ 131 0
32 2MASX J15265942+3558372 LIN 15 26 59.44451 +35 58 37.0521   15.61       ~ 295 1
33 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
34 ESO 103-35 Sy2 18 38 20.3204821536 -65 25 39.141804936   14.75 14.53 13.24   ~ 342 0
35 IC 5063 Bla 20 52 02.15 -57 04 06.7   12.92 13.60 11.30   ~ 710 1
36 ESO 286-19 LIN 20 58 26.8183783008 -42 38 59.411838156   14.79 14.79 14.20   ~ 318 0
37 NGC 7130 Sy2 21 48 19.5412287192 -34 57 04.492024884   12.86 13.87 11.57   ~ 483 1
38 NGC 7172 Sy2 22 02 01.897 -31 52 11.60   12.72 13.61 11.15 25.10 ~ 572 2
39 MCG-03-57-017 Sy1 22 31 25.474 -19 02 04.27   14.27 13.73 12.90   ~ 123 1
40 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3
41 NGC 7592W Sy2 23 18 21.8077569718 -04 24 56.904279971     15.0     ~ 175 0
42 NGC 7592 IG 23 18 22.2 -04 24 57           ~ 177 0
43 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
44 NGC 7679 Sy2 23 28 46.6613717400 +03 30 41.013578196   13.2       ~ 289 1

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