2011ApJ...730...28P


Query : 2011ApJ...730...28P

2011ApJ...730...28P - Astrophys. J., 730, 28 (2011/March-3)

Mid-infrared spectral diagnostics of luminous infrared galaxies.

PETRIC A.O., ARMUS L., HOWELL J., CHAN B., MAZZARELLA J.M., EVANS A.S., SURACE J.A., SANDERS D., APPLETON P., CHARMANDARIS V., DIAZ-SANTOS T., FRAYER D., HAAN S., INAMI H., IWASAWA K., KIM D., MADORE B., MARSHALL J., SPOON H., STIERWALT S., STURM E., U V., VAVILKIN T. and VEILLEUX S.

Abstract (from CDS):

We present a statistical analysis of the mid-infrared (MIR) spectra of 248 luminous infrared (IR) galaxies (LIRGs) which comprise the Great Observatories All-sky LIRG Survey (GOALS) observed with the Infrared Spectrograph (IRS) on board the Spitzer Space Telescope. The GOALS sample enables a direct measurement of the relative contributions of star formation and active galactic nuclei (AGNs) to the total IR emission from a large sample of local LIRGs. The AGN contribution to the MIR emission (fAGN) is estimated by employing several diagnostics based on the properties of the [Ne V], [O IV], and [Ne II] fine-structure gas emission lines, the 6.2 µm polycyclic aromatic hydrocarbon (PAH), and the shape of the MIR continuum. We find that 18% of all LIRGs contain an AGN and that in 10% of all sources the AGN contributes more than 50% of the total IR luminosity. Summing up the total IR luminosity contributed by AGNs in all our sources suggests that AGNs supply ∼12% of the total energy emitted by LIRGs. The average spectrum of sources with an AGN looks similar to the average spectrum of sources without an AGN, but it has lower PAH emission and a flatter MIR continuum. AGN-dominated LIRGs have higher IR luminosities, warmer MIR colors, and are found in interacting systems more often than pure starburst LIRGs. However, we find no linear correlations between these properties and fAGN. We used the IRAC colors of LIRGs to confirm that finding AGNs on the basis of their MIR colors may miss ∼40% of AGN-dominated (U)LIRGs.

Abstract Copyright:

Journal keyword(s): galaxies: evolution - galaxies: interactions

Simbad objects: 67

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Number of rows : 67
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 MCG-02-01-051 EmG 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 131 3
2 NGC 232 GiG 00 42 45.814 -23 33 40.69   14.43   12.78   ~ 142 0
3 NGC 660 Sy2 01 43 02.350 +13 38 44.45   12.02 11.16     ~ 538 2
4 ZW III 35 Sy2 01 44 30.516 +17 06 09.18   15.24 14.81     ~ 237 0
5 Mrk 1014 Sy1 01 59 50.2534701768 +00 23 40.864244784   16.08 15.87     ~ 543 0
6 Mrk 1034B Sy1 02 23 18.9215543016 +32 11 18.495835944   15.2       ~ 83 0
7 Mrk 1034 PaG 02 23 20.45 +32 11 33.7           ~ 72 0
8 M 77 GiP 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4348 2
9 NGC 1222 SBG 03 08 56.7398731608 -02 57 18.587969280   13.3   13.0 13.2 ~ 184 0
10 Mrk 1073 Sy2 03 15 01.4292441960 +42 02 08.825019072   15.05 14.18 12.54   ~ 184 1
11 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1648 2
12 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1456 1
13 ESO 420-13 Sy2 04 13 49.699 -32 00 25.20   13.31 13.3 12.14   ~ 85 0
14 NGC 1614 AGN 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 641 0
15 UGC 3094 G 04 35 33.816 +19 10 18.24   16.5       ~ 63 0
16 Z 468-2 Sy2 05 08 19.7062775592 +17 21 48.085162020   15.4       ~ 89 0
17 2MASX J05112587+2445183 G 05 11 25.8846288528 +24 45 18.306876096           ~ 36 0
18 ZW VII 31 G 05 16 46.384 +79 40 12.63   15.8       ~ 142 0
19 LEDA 17155 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 462 0
20 NGC 2146 SBG 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 670 2
21 LEDA 90054 Sy2 07 03 24.2524870728 -60 15 22.448628792   16.02   14.72   ~ 53 1
22 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 469 1
23 NAME IRAS F08572+3915 NW LIN 09 00 25.364 +39 03 54.23     16.66     ~ 391 1
24 NAME IRAS 09111-1007W Sy2 09 13 36.4577885664 -10 19 30.001760292   15.7 16.10     ~ 79 1
25 NAME IRAS 09111-1007E AGN 09 13 38.8376397072 -10 19 19.931643264   15.9       ~ 26 1
26 UGC 5101 Sy1 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 541 4
27 NGC 3256 IG 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 805 2
28 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 757 1
29 NGC 4088 GiP 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 388 1
30 ESO 267-30 G 12 14 12.839 -47 13 43.42   14.20   12.69 12.9 ~ 69 0
31 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5584 1
32 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 305 0
33 Mrk 231 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 1906 3
34 NGC 4818 SBG 12 56 48.907 -08 31 31.08   11   10.88   ~ 144 0
35 NGC 4922 SyG 13 01 25.2660290577 +29 18 49.879144069   15.60 14.67 13.85   ~ 241 5
36 IC 883 SBG 13 20 35.380 +34 08 21.84   14.8       ~ 386 1
37 MCG-03-34-064 Sy2 13 22 24.4583154360 -16 43 42.481822404   14   13.16   ~ 286 2
38 NGC 5135 Sy2 13 25 44.059 -29 50 01.24   12.58 13.35 11.53 12.2 ~ 457 1
39 NGC 5256 PaG 13 38 17.5 +48 16 37   14.1 13.42     ~ 417 1
40 Mrk 273 Sy2 13 44 42.1883001096 +55 53 13.596220932   15.68 14.91     ~ 864 3
41 NGC 5734 EmG 14 45 09.0364267176 -20 52 13.484556696   13.75   12.08   ~ 75 1
42 UGC 9618 S GiP 14 57 00.3205510752 +24 36 24.138336996   14.3 15.3     ~ 69 2
43 UGC 9618 IG 14 57 00.4 +24 36 44   14.3       ~ 119 1
44 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2835 4
45 NGC 5990 Sy2 15 46 16.3702704024 +02 24 55.693907820   13.1       ~ 131 1
46 IRAS 16164-0746 LIN 16 19 11.792 -07 54 02.61   15.49       ~ 69 0
47 NGC 6156 GiG 16 34 52.5448490040 -60 37 07.867951500   12.30   11.05 12.0 ~ 71 0
48 NGC 6240 Sy2 16 52 58.861 +02 24 03.55   14.31 13.37     ~ 1564 2
49 Z 141-34 G 17 56 56.6307158664 +24 01 01.979013000   15.7       ~ 47 0
50 2MFGC 14300 GiG 18 16 33.831 +22 06 38.90   15.6       ~ 21 0
51 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1554 0
52 ESO 339-11 Sy2 19 57 37.522 -37 56 08.61   14.55       ~ 71 1
53 MCG+04-48-002 Sy2 20 28 35.061 +25 44 00.18   18       ~ 127 1
54 NGC 6926 Sy2 20 33 06.1084582704 -02 01 38.498909376   14.87 13.87 13.0 12.5 ~ 139 2
55 2MASX J20572362+1707445 PaG 20 57 23.628 +17 07 44.60   15.2       ~ 153 0
56 NGC 7023 RNe 21 01 36.9 +68 09 48           ~ 667 0
57 NGC 7130 AGN 21 48 19.5412287192 -34 57 04.492024884   12.86 13.87 11.57   ~ 420 0
58 NGC 7252 IG 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 685 1
59 NGC 7469 Sy1 23 03 15.674 +08 52 25.28 12.60 13.00 12.34     ~ 1998 3
60 Z 453-62 G 23 04 56.514 +19 33 07.86   15.2       ~ 100 0
61 ESO 148-2 Sy2 23 15 46.772 -59 03 15.94   14.94 14.73 13.95   ~ 247 1
62 IC 5298 Sy2 23 16 00.6756811155 +25 33 24.081139422   15.0       ~ 183 0
63 NGC 7592 Sy2 23 18 22.0 -04 24 57           ~ 155 0
64 NGC 7674 Sy2 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 668 4
65 NGC 7679 Sy2 23 28 46.6613717400 +03 30 41.013578196   13.2       ~ 250 1
66 NGC 7714 GiP 23 36 14.1257730600 +02 09 18.197422668   14.91 14.36     ~ 750 1
67 APG 284 PaG 23 36 19 +02 09.3   12.6       ~ 605 0

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2022.08.10-07:07:15

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