2010MNRAS.401..197R

Query : 2010MNRAS.401..197R

2010MNRAS.401..197R - Mon. Not. R. Astron. Soc., 401, 197-203 (2010/January-1)

A quantitative determination of the AGN content in local ULIRGs through l-band spectroscopy.

RISALITI G., IMANISHI M. and SANI E.

Abstract (from CDS):

We present a quantitative estimate of the relative active galactic nucleus (AGN)/starburst content in a sample of 59 nearby (z < 0.15) infrared bright ultraluminous infrared galaxies (ULIRGs) taken from the 1-Jy sample, based on infrared L-band (3-4µm) spectra. By using diagnostic diagrams and a simple deconvolution model, we show that at least 60 per cent of local ULIRGs contain an active nucleus, but the AGN contribution to the bolometric luminosity is relevant only in ∼15-20 per cent of the sources. Overall, ULIRGs appear to be powered by the starburst process, responsible for >85 per cent of the observed infrared luminosity. The subsample of sources optically classified as low-ionization nuclear emission-line regions (LINERs; 31 objects) shows a similar AGN/starburst distribution as the whole sample, indicating a composite nature for this class of objects. We also show that a few ULIRGs, optically classified as starbursts, have L-band spectral features suggesting the presence of a buried AGN.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): galaxies: active - galaxies: starburst - infrared: galaxies

Simbad objects: 62

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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 - 2026 		#notes
1 2MASX J00212652-0839261 LIN 00 21 26.5135306416 -08 39 25.967117268   18.37       ~ 124 1
2 Mrk 1014 Sy1 01 59 50.2534701768 +00 23 40.864244784   16.08 15.87     ~ 606 0
3 [KVS2002] IRAS 02411+0354 SW GiP 02 43 45.91 +04 06 35.5           ~ 7 1
4 [VKS99] 02411+0353 E GiP 02 43 46.03 +04 06 37.9           ~ 7 1
5 2MASX J03274981+1616594 LIN 03 27 49.81440 +16 16 59.4012       21.20   ~ 52 0
6 IRAS 04103-2838 LIN 04 12 19.4458581600 -28 30 24.933273876     16.9     ~ 75 0
7 IRAS 05189-2524 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 545 0
8 IRAS 07598+6508 Sy1 08 04 30.4643108040 +64 59 52.789588188   14.3 15.5     ~ 242 0
9 IRAS 08559+1053 Sy2 08 58 41.7769654542 +10 41 21.877217105           ~ 60 0
10 IRAS 08572+3915 LIN 09 00 25.38288 +39 03 54.2988     16.66     ~ 450 1
11 IRAS 09039+0503 LIN 09 06 34.0537343016 +04 51 27.447987744           ~ 86 0
12 IRAS 09116+0334 LIN 09 14 13.7940669768 +03 22 01.298301168           ~ 55 0
13 IRAS 09539+0857 Sy2 09 56 34.33800 +08 43 06.2472       20.90   ~ 63 0
14 2MASS J10214248+1306539 AGN 10 21 42.4964040120 +13 06 53.840159676           ~ 23 0
15 IRAS 10190+1322 PaG 10 21 42.718 +13 06 55.36           ~ 88 0
16 2MASS J10214273+1306556 LIN 10 21 42.8040022344 +13 06 55.957660596   17.51       ~ 87 0
17 IRAS 10378+1109 Sy1 10 40 29.1640944744 +10 53 18.202070076   17.79 17.18     ~ 115 1
18 LEDA 32516 LIN 10 51 03.67 -15 03 19.8           ~ 47 0
19 IRAS 10494+4424 LIN 10 52 23.56560 +44 08 47.4250           ~ 73 0
20 LEDA 125693 LIN 11 12 03.37008 -02 54 22.7232   17.45 17.40     ~ 113 1
21 IRAS 11387+4116 LIN 11 41 22.0303797864 +40 59 50.311419684           ~ 53 0
22 IRAS 11506+1331 rG 11 53 14.22000 +13 14 27.6400   17.77       ~ 67 0
23 LEDA 90159 Sy1 12 02 26.7665445864 -01 29 15.399814956   17.81 17.54 17.534   ~ 101 0
24 LEDA 90164 Sy2 12 09 45.1187842872 -05 01 13.431047484   17.52 17.8 16.56   ~ 114 1
25 [CGM90] IRAS 12112+0305 SW rG 12 13 45.9376041667 +02 48 39.097125317           ~ 36 0
26 IRAS 12112+0305 PaG 12 13 45.98880 +02 48 39.9600           ~ 373 0
27 [CGM90] IRAS 12112+0305 NE rG 12 13 46.10735 +02 48 41.4959           ~ 369 0
28 2MASX J12151913-1429422 LIN 12 15 19.134 -14 29 42.23           ~ 43 0
29 IRAS 12359-0725 LIN 12 38 31.6218196828 -07 42 25.396728851   19.40   18.23   ~ 34 0
30 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
31 2MASS J13362231-2627338 LIN 13 36 22.31064 -26 27 33.8832   17.93   16.90 16.27 ~ 41 1
32 Z 271-60 Sy2 13 44 42.1883001099 +55 53 13.596220922   15.68 14.91     ~ 958 3
33 IRAS 13443+0802 PaG 13 46 51.07533 +07 47 18.4520           ~ 39 0
34 2MASS J13465108+0747190 GiP 13 46 51.08906 +07 47 19.0032           ~ 37 0
35 PKS 1345+12 Sy2 13 47 33.36161873 +12 17 24.2398927   19.28 18.44 15.718   ~ 652 2
36 NVSS J135331+042804 rG 13 53 31.5653985768 +04 28 05.087231904           ~ 38 0
37 IRAS 13539+2920 rG 13 56 10.01233 +29 05 35.5160   17.23       ~ 70 0
38 IRAS 14060+2919 rG 14 08 19.0356546744 +29 04 47.143121916           ~ 68 0
39 IRAS 14197+0812 LIN 14 22 11.6354625144 +07 59 28.013201808           ~ 33 0
40 [KVS2002] IRAS 14252-1550 SW GiP 14 28 01.01 -16 03 39.7           ~ 2 0
41 [KVS2002] IRAS 14252-1550 NE GiP 14 28 01.25 -16 03 37.7           ~ 2 0
42 LEDA 52270 Sy1 14 37 38.2867288488 -15 00 24.087592692   16.58 16.40     ~ 300 2
43 6dFGS gJ145123.8-244630 G 14 51 23.1 -24 46 24   18.74   17.39   ~ 22 0
44 2MASX J15155520-2009172 Sy2 15 15 55.1783451792 -20 09 16.916691024   18.34 17.1 17.16   ~ 55 0
45 IRAS 15206+3342 Sy2 15 22 38.104 +33 31 35.90           ~ 111 0
46 IRAS 15225+2350 rG 15 24 43.8702463632 +23 40 10.269173100           ~ 55 0
47 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
48 LEDA 90222 Sy1 15 48 56.8020209304 -04 59 33.598051584   16.4 16.40 16.85   ~ 106 0
49 LEDA 90237 LIN 16 11 40.4280459768 -01 47 06.566246232   16.6       ~ 95 0
50 LEDA 2817027 LIN 16 48 01.65288 +51 55 44.3352           ~ 37 0
51 SDSS J164914.09+342513.1 G 16 49 14.09177 +34 25 13.1998           ~ 55 0
52 IRAS 16474+3430 PaG 16 49 14.20173 +34 25 09.6170           ~ 61 0
53 IRAS 16487+5447 LIN 16 49 46.9430396033 +54 42 35.317832914   17.5       ~ 68 1
54 LEDA 90270 LIN 17 03 41.92968 +58 13 44.5512           ~ 62 0
55 LEDA 165716 LIN 17 04 28.4433405168 +67 16 28.258598748     17.0     ~ 59 0
56 2MASX J17185436+5441486 Sy2 17 18 54.4002 +54 41 48.289           ~ 84 1
57 6dFGS gJ204418.2-164017 LIN 20 44 18.16392 -16 40 16.8132   18.02   17.04   ~ 100 0
58 LEDA 1049091 AGN 21 23 29.13960 -05 06 56.2392           ~ 37 1
59 LEDA 66703 Sy1 21 24 41.6403183696 -17 44 45.886080696   17.18 16.50 15.95   ~ 96 0
60 2MASX J21354580-2332359 LIN 21 35 45.8178571488 -23 32 36.305302884           ~ 41 1
61 IRAS 23233+0946 LIN 23 25 56.1378291192 +10 02 49.715916252           ~ 61 0
62 2MASS J23351192+2930002 LIN 23 35 11.92032 +29 30 00.2124           ~ 56 0

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