2009MNRAS.396L...1W

Query : 2009MNRAS.396L...1W

2009MNRAS.396L...1W - Mon. Not. R. Astron. Soc., 396, L1-L5 (2009/June-2)

The active galactic nuclei/starburst content in high-redshift ultraluminous infrared galaxies.

WATABE Y., RISALITI G., SALVATI M., NARDINI E., SANI E. and MARCONI A.

Abstract (from CDS):

We apply a simple model, tested on local ultraluminous infrared galaxies (ULIRGs), to disentangle the active galactic nuclei (AGN) and starburst contributions in submillimetre and 24 µm-selected ULIRGs observed with the Spitzer-Infrared Spectrograph spectrometer. We quantitatively estimate the average AGN contribution to the stacked 6-8 µm rest-frame spectra of these sources in different luminosity and redshift ranges and, under the assumption of similar infrared-to-bolometric ratios as in local ULIRGs, the relative AGN/starburst contributions to the total infrared luminosity. Though the starburst component is always dominant in submillimetre-selected ULIRGs, we find a significant increase of the AGN contribution at redshift z > 2.3 with respect to lower z objects. Finally, we quantitatively confirm that the mid-infrared emission of 24 µm-selected ULIRGs is dominated by the AGN component, but the starburst component contributes significantly to the bolometric luminosity.

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

Journal keyword(s): galaxies: active - galaxies: high-redshift - galaxies: nuclei - galaxies: starburst

Simbad objects: 54

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Number of rows : 54
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 NAME SMM J00266+1708 rG 00 26 34.10 +17 08 33.7     23.30   21.979 ~ 30 0
2 NAME SMM J023952-0136 Sy2 02 39 51.9 -01 35 58     21.90     ~ 40 0
3 NAME SMM J030227.73+000653.5 AGN 03 02 27.8 +00 06 54   23.8 19.10   21.29 ~ 39 0
4 NAME SMM J09429+4659 smm 09 42 53.49 +46 59 52.0       25.20   ~ 7 0
5 NAME SMM J09431+4700 AGN 09 43 03.96 +47 00 16.0       23.80   ~ 45 0
6 NAME SMM J105155.47+572312.7 G 10 51 55.47 +57 23 12.7   23.8       ~ 12 0
7 NAME SMM J105207.49+571904.0 rG 10 52 07.490 +57 19 04.01   25.89   25.62 25.27 ~ 39 0
8 NAME SMM J105238.19+571651.1 G 10 52 38.256 +57 16 51.31       22.70 22.66 ~ 15 0
9 NAME SMM J123555.14+620901.7 rG 12 35 55.14 +62 09 01.7 24.4 24.2 24.1 23.8 23.5 ~ 36 0
10 NAME SMM J123600.2+621047 QSO 12 36 00.15 +62 10 47.2 24.21 25.5874 25.35   24.6340 ~ 53 0
11 NAME SMM J123616.15+621513.7 rG 12 36 16.11 +62 15 13.7 27.8 25.8257 25.78 25.3 26.6108 ~ 67 0
12 NAME SMM J123618+621554 rG 12 36 18.32 +62 15 50.5 25.84   25.58 25.07 25.0 ~ 68 0
13 [WCB2004] GOODS 850-15a mm 12 36 21.101 +62 17 09.60           ~ 35 0
14 NAME SMM J123621.3+621708 rG 12 36 21.25 +62 17 08.3   25.1     25.0 ~ 54 0
15 NAME SMM J123635+621239 rG 12 36 34.528 +62 12 41.39 25.26 23.8632 24.53 23.18 22.7131 ~ 126 0
16 NAME SMM J123707.2+621408 rG 12 37 07.19 +62 14 08.0 28.12 26.8993 26.6 25.6 25.3860 ~ 114 0
17 NAME SMM J123712.0+621325 rG 12 37 12.000 +62 13 25.83 25.92 26.0414 26.2 25.6 25.1091 ~ 70 2
18 [BDL2009] 19 G 14 25 38.210 +35 18 55.41           ~ 11 0
19 [TLR2009] 19 G 14 26 26.499 +34 47 31.20           ~ 11 0
20 CXOXB J142644.3+333050 Sy1 14 26 44.308 +33 30 51.91   26.4   24.34 23.8 ~ 15 0
21 [BDL2009] 2 G 14 26 45.710 +35 19 01.42   26.91   25.27 24.43 ~ 10 0
22 [BDL2009] 6 G 14 26 53.247 +33 02 21.01       25.66 24.68 ~ 12 0
23 [BDL2009] 20 G 14 28 04.131 +33 21 35.33       25.51   ~ 12 0
24 SDWFS J142924.81+353321.4 G 14 29 24.836 +35 33 20.65   26.80   25.58 25.30 ~ 13 0
25 [BDL2009] 29 G 14 29 58.345 +32 26 15.45   26.00   25.49 24.59 ~ 12 0
26 [PWH2008] B1 QSO 14 30 01.923 +33 45 38.49   25.45   24.79 25.03 ~ 17 0
27 SDWFS J143028.51+343221.3 Sy2 14 30 28.535 +34 32 21.35   25.17   24.45 24.16 ~ 11 0
28 NAME NOAO Deep Wide Field reg 14 32 05.75 +34 16 47.5           ~ 430 0
29 [TLR2009] 28 G 14 32 51.823 +33 35 36.52       25.90 24.37 ~ 13 0
30 SDWFS J143312.69+342011.3 Sy2 14 33 12.704 +34 20 11.08   24.62   24.37 23.57 ~ 10 0
31 SDWFS J143357.99+332608.0 G 14 33 58.008 +33 26 07.25   26.96       ~ 12 0
32 NDWFS J143424.5+334542 Sy2 14 34 24.478 +33 45 43.24   26.57 24.57 25.38 24.30 ~ 14 1
33 [BDL2009] 4 G 14 34 47.710 +33 02 30.47       26.00   ~ 12 0
34 [TLR2009] 9 G 14 35 04.131 +35 47 43.30       25.96   ~ 11 0
35 SDWFS J143520.76+340417.9 G 14 35 20.768 +34 04 18.30   25.49   24.90 24.27 ~ 13 0
36 [BDL2009] 27 G 14 35 23.998 +33 07 06.86   26.73   24.74 23.51 ~ 13 0
37 [BDL2009] 28 G 14 35 39.353 +33 41 59.25   26.23   25.56 24.52 ~ 13 0
38 CXOXB J143644.2+350626 QSO 14 36 44.2285 +35 06 26.956   24.71   23.69 23.36 ~ 25 0
39 [BCM2000] J154127+6616 G 15 41 27.281 +66 16 17.00           ~ 14 0
40 NAME SMM J16363+4056 smm 16 36 39.01 +40 56 35.9   24.6 23.60   22.44 ~ 28 0
41 NAME SMM J163650.43+405734.5 Sy1 16 36 50.5 +40 57 34   23.3 23.30   21.83 ~ 91 0
42 NAME SMM J163658.8+405733 G 16 36 58.78 +40 57 28.1   23.9   22.50 21.55 ~ 30 0
43 NAME SMM J16371+4053 Sy1 16 37 06.5 +40 53 14         23.20 ~ 29 0
44 [CSB2005] 6 G 16 45 02.42 +46 26 27.0           ~ 136 0
45 [HSN2016] J258.45+58.94 AGN 17 13 50.00 +58 56 56.8       25.73   ~ 19 0
46 SSTXFLS24 J171439.6+585631 AGN 17 14 39.57 +58 56 32.1       23.77   ~ 12 0
47 [YSF2007] SST24 J171536.34+593614.8 G 17 15 36.34 +59 36 14.8       25.73   ~ 16 0
48 [YCA2005] IRS 2 QSO 17 15 38.244 +59 25 40.68       25.73   ~ 19 0
49 SDSS J171844.39+592000.8 Sy1 17 18 44.380 +59 20 00.73       22.48   ~ 27 0
50 NAME SMM J221733.91+001352.1 G 22 17 33.96 +00 13 51.9   24.8       ~ 13 0
51 NAME SMM J221735.15+001537.2 G 22 17 35.15 +00 15 37.4   26.1       ~ 21 0
52 NAME SMM J221735.84+001558.9 rG 22 17 35.86 +00 15 59.4   27.332 25.881 25.468 24.57 ~ 41 0
53 NAME SMM J221737.39+001025.1 AGN 22 17 37.4 +00 10 25   25.1 25.10   23.69 ~ 12 0
54 NAME SMM J221804.42+002154.4 G 22 18 04.42 +00 21 54.4   25.2     23.07 ~ 15 0

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