2012ApJ...757....3L

Query : 2012ApJ...757....3L

2012ApJ...757....3L - Astrophys. J., 757, 3 (2012/September-3)

Detection of iron kα emission from a complete sample of submillimeter galaxies.

LINDNER R.R., BAKER A.J., BEELEN A., OWEN F.N. and POLLETTA M.

Abstract (from CDS):

We present an X-ray stacking analysis of a sample of 38 submillimeter galaxies (SMGs) with < z > = 2.6 discovered at ≥ 4σ significance in the Lockman Hole North with the MAMBO array. We find a 5σ detection in the stacked soft band (0.5-2.0 keV) image, and no significant detection in the hard band (2.0-8 keV). We also perform rest-frame spectral stacking based on spectroscopic and photometric redshifts and find a ∼4σ detection of Fe Kα emission with an equivalent width of EW ≳ 1 keV. The centroid of the Fe Kα emission lies near 6.7 keV, indicating a possible contribution from highly ionized Fe XXV or Fe XXVI; there is also a slight indication that the line emission is more spatially extended than the X-ray continuum. This is the first X-ray analysis of a complete, flux-limited sample of SMGs with statistically robust radio counterparts.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: formation - submillimeter: galaxies - X-rays: galaxies

Simbad objects: 56

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Number of rows : 56
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 IRAS 00182-7112 Sy2 00 20 34.72104 -70 55 26.2488     20.6     ~ 143 0
2 NGC 831 G 02 09 34.5736443984 +06 05 46.521730932   15.2       ~ 21 0
3 SN 1986J SN* 02 22 31.33 +42 19 56.4   18.4 18.4     SNII 331 1
4 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
5 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
6 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 862 0
7 [LBO2011] MM J104444.5+590817 G 10 44 44.5 +59 08 17           ~ 3 0
8 [LBO2011] MM J104448.0+590036 G 10 44 48.0 +59 00 36           ~ 3 0
9 [LBO2011] MM J104453.7+585838 G 10 44 53.7 +58 58 38           ~ 3 0
10 [LBO2011] MM J104500.5+590731 rG 10 45 00.67 +59 07 33.6           ~ 4 0
11 [LBO2011] MM J104502.1+590404 G 10 45 02.1 +59 04 04           ~ 3 0
12 [LBO2011] MM J104510.3+590408 rG 10 45 10.39 +59 04 07.1           ~ 4 0
13 [LBO2011] MM J104522.8+585558 G 10 45 22.8 +58 55 58           ~ 2 0
14 CLANS 322 X 10 45 23.63 +58 56 01.9           ~ 4 0
15 [LBO2011] MM J104530.3+590636 G 10 45 30.3 +59 06 36           ~ 3 0
16 [LBO2011] MM J104535.5+585044 G 10 45 35.5 +58 50 44           ~ 3 0
17 [LBO2011] MM J104539.6+585419 rG 10 45 39.79 +58 54 24.9           ~ 5 0
18 [LBO2011] MM J104540.3+590347 G 10 45 40.3 +59 03 47           ~ 3 0
19 LEDA 2587126 rG 10 45 55.5117446160 +59 09 15.848943660           ~ 20 0
20 [OM2008] 813 SBG 10 45 56.93 +58 53 18.8           ~ 9 0
21 NAME Lockman Hole North reg 10 46.0 +59 01           ~ 29 0
22 [LBO2011] MM J104600.7+585502 G 10 46 00.7 +58 55 02           ~ 3 0
23 [LBO2011] MM J104603.8+590448 rG 10 46 04.23 +59 04 49.4           ~ 4 0
24 [LBO2011] MM J104607.4+585413 G 10 46 07.4 +58 54 13           ~ 3 0
25 [LBO2011] MM J104608.1+590744 G 10 46 08.1 +59 07 44           ~ 3 0
26 [LBO2011] MM J104609.0+585826 rG 10 46 08.75 +58 58 28.5           ~ 4 0
27 [LBO2011] MM J104610.4+590242 G 10 46 10.4 +59 02 42           ~ 3 0
28 LHW J104610+585246 rG 10 46 10.98 +58 52 44.9           ~ 6 0
29 [LBO2011] MM J104611.9+590231 G 10 46 11.9 +59 02 31           ~ 3 0
30 [LBO2011] MM J104617.0+585444 G 10 46 17.0 +58 54 44           ~ 2 0
31 [LBO2011] MM J104620.9+585434 G 10 46 20.9 +58 54 34           ~ 3 0
32 [LBO2011] MM J104622.9+585933 G 10 46 22.9 +58 59 33           ~ 3 0
33 [LBO2011] MM J104624.7+585344 rG 10 46 24.91 +58 53 47.2           ~ 4 0
34 [CBB2012] 1HERMES X1.4 J104626.86+590544.8 rG 10 46 26.86 +59 05 44.8           ~ 5 0
35 LHW J104631+585054 rG 10 46 31.4 +58 50 56           ~ 4 0
36 [LBO2011] MM J104633.1+585159 G 10 46 33.1 +58 51 59           ~ 3 0
37 [LBO2011] MM J104636.1+590749 rG 10 46 35.85 +59 07 48.5           ~ 4 0
38 [OM2008] 1222 SBG 10 46 38.67 +58 56 12.5           ~ 8 0
39 [LBO2011] MM J104641.0+585324 G 10 46 41.0 +58 53 24           ~ 3 0
40 [LBO2011] MM J104655.7+585000 rG 10 46 55.25 +58 50 04.0           ~ 4 0
41 [LBO2011] MM J104658.7+590633 G 10 46 58.7 +59 06 33           ~ 3 0
42 [LBO2011] MM J104700.1+585439 G 10 47 00.1 +58 54 39           ~ 3 0
43 SWIRE J104700.2+590107 rG 10 47 00.20 +59 01 07.6           ~ 8 0
44 [LBO2011] MM J104702.4+585102 G 10 47 02.4 +58 51 02           ~ 3 0
45 [LBO2011] MM J104704.9+585008 G 10 47 04.9 +58 50 08           ~ 3 0
46 [LBO2011] MM J104717.9+585523 rG 10 47 18.11 +58 55 25.8           ~ 4 0
47 [LBO2011] MM J104720.9+585151 G 10 47 20.9 +58 51 51           ~ 3 0
48 [LBO2011] MM J104725.2+590339 rG 10 47 25.42 +59 03 36.5           ~ 4 0
49 [BHA2010] LN I rG 10 47 27.97 +58 52 14.1           ~ 5 0
50 IC 694 AG? 11 28 27.312 +58 34 42.29   18.2       ~ 258 2
51 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
52 NAME Chandra Deep Field-North reg 12 36.8 +62 13           ~ 686 0
53 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
54 Z 271-60 Sy2 13 44 42.1883001099 +55 53 13.596220922   15.68 14.91     ~ 958 3
55 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
56 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2

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