2009MNRAS.399..663T

Query : 2009MNRAS.399..663T

2009MNRAS.399..663T - Mon. Not. R. Astron. Soc., 399, 663-670 (2009/October-3)

Testing the starburst/AGN connection with SWIRE X-ray/70 µm sources.

TRICHAS M., GEORGAKAKIS A., ROWAN-ROBINSON M., NANDRA K., CLEMENTS D. and VACCARI M.

Abstract (from CDS):

We explore the nature of X-ray sources with 70µm counterparts selected in the Spitzer Wide-Area Infrared Extragalactic Survey (SWIRE) fields: ELAIS-N1, Lockman Hole and Chandra Deep Field South, for which Chandra X-ray data are available. A total of 28 X-ray/70µm sources in the redshift interval 0.5 < z < 1.3 are selected. The X-ray luminosities and the shape of the X-ray spectra show that these sources are active galactic nuclei (AGN). Modelling of the optical to far-infrared (IR) spectral energy distribution indicates that most of them (27/28) have a strong starburst component (>50M☉/yr) that dominates in the IR. It is found that the X-ray and IR luminosities of the sample sources are broadly correlated, consistent with a link between AGN activity and star formation. Contrary to the predictions of some models for the co-evolution of AGN and galaxies, the X-ray/70µm sources in the sample are not more obscured at X-ray wavelengths compared to the overall X-ray population. It is also found that the X-ray/70µm sources have lower specific star formation rates compared to the general 70µm population, consistent with AGN feedback moderating the star formation in the host galaxies.

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

Journal keyword(s): galaxies: starburst - infrared: galaxies - X-rays: galaxies

Nomenclature: Table 1: [TGR2009] N1 N (Nos 1-8), [TGR2009] Lockman NN (Nos 1-15), [TGR2009] CDFS N (Nos 1-5).

Simbad objects: 34

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Number of rows : 34
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 Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
2 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 862 0
3 [TGR2009] CDFS 1 SBG 03 33 27.41 -27 41 21.1           ~ 1 0
4 [TGR2009] CDFS 2 G 03 33 35.55 -27 46 01.2           ~ 1 0
5 [TGR2009] CDFS 3 SBG 03 33 53.67 -27 38 01.7           ~ 1 0
6 [TGR2009] CDFS 4 G 03 34 07.87 -27 53 21.6           ~ 1 0
7 [TGR2009] CDFS 5 G 03 34 10.50 -27 54 16.1           ~ 1 0
8 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
9 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 910 0
10 [TGR2009] Lockman 11 G 10 46 03.11 +58 54 33.6           ~ 1 0
11 [TGR2009] Lockman 4 G 10 46 31.11 +58 33 31.5           ~ 1 0
12 [TGR2009] Lockman 8 G 10 46 31.51 +58 57 05.7           ~ 1 0
13 [TGR2009] Lockman 9 G 10 46 34.70 +59 01 21.3           ~ 1 0
14 [TGR2009] Lockman 5 G 10 47 03.89 +58 43 13.1           ~ 1 0
15 [TGR2009] Lockman 3 SBG 10 47 12.72 +58 43 13.2           ~ 1 0
16 [TGR2009] Lockman 13 G 10 47 16.58 +58 28 47.4           ~ 1 0
17 [TGR2009] Lockman 6 G 10 47 20.97 +58 39 08.5           ~ 1 0
18 [TGR2009] Lockman 1 QSO 10 47 40.30 +58 49 47.3           ~ 1 0
19 [TGR2009] Lockman 2 G 10 47 54.63 +58 33 38.7           ~ 1 0
20 [TGR2009] Lockman 12 SBG 10 48 00.49 +59 03 55.7           ~ 1 0
21 [TGR2009] Lockman 14 SBG 10 48 05.89 +58 17 47.2           ~ 1 0
22 [TGR2009] Lockman 15 G 10 48 13.49 +58 43 56.3           ~ 1 0
23 [TGR2009] Lockman 10 G 10 50 09.93 +58 29 27.8           ~ 1 0
24 [TGR2009] Lockman 7 G 10 50 58.20 +58 35 45.0           ~ 1 0
25 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
26 [TGR2009] N1 1 G 16 09 18.57 +54 48 49.9           ~ 1 0
27 [TGR2009] N1 2 QSO 16 09 47.03 +54 15 43.8           ~ 1 0
28 ELAIS N1 reg 16 10 01 +54 30.6           ~ 489 0
29 [TGR2009] N1 3 QSO 16 10 25.90 +53 46 46.5           ~ 1 0
30 [TGR2009] N1 4 G 16 10 58.73 +54 28 30.0           ~ 1 0
31 [TGR2009] N1 5 G 16 11 22.24 +54 59 10.4           ~ 1 0
32 [TGR2009] N1 6 G 16 12 07.76 +54 33 30.6           ~ 1 0
33 [TGR2009] N1 7 G 16 12 21.26 +55 00 47.8           ~ 1 0
34 [TGR2009] N1 8 G 16 14 13.01 +54 35 48.4           ~ 1 0

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