2012A&A...539A.155M


Query : 2012A&A...539A.155M

2012A&A...539A.155M - Astronomy and Astrophysics, volume 539A, 155-155 (2012/3-1)

A Herschel view of the far-infrared properties of submillimetre galaxies.

MAGNELLI B., LUTZ D., SANTINI P., SAINTONGE A., BERTA S., ALBRECHT M., ALTIERI B., ANDREANI P., AUSSEL H., BERTOLDI F., BETHERMIN M., BONGIOVANNI A., CAPAK P., CHAPMAN S., CEPA J., CIMATTI A., COORAY A., DADDI E., DANIELSON A.L.R., DANNERBAUER H., DUNLOP J.S., ELBAZ D., FARRAH D., FOERSTER SCHREIBER N.M., GENZEL R., HWANG H.S., IBAR E., IVISON R.J., LE FLOC'H E., MAGDIS G., MAIOLINO R., NORDON R., OLIVER S.J., PEREZ GARCIA A., POGLITSCH A., POPESSO P., POZZI F., RIGUCCINI L., RODIGHIERO G., ROSARIO D., ROSEBOOM I., SALVATO M., SANCHEZ-PORTAL M., SCOTT D., SMAIL I., STURM E., SWINBANK A.M., TACCONI L.J., VALTCHANOV I., WANG L. and WUYTS S.

Abstract (from CDS):

We study a sample of 61 submillimetre galaxies (SMGs) selected from ground-based surveys, with known spectroscopic redshifts and observed with the Herschel Space Observatory as part of the PACS Evolutionary Probe (PEP) and the Herschel Multi-tiered Extragalactic Survey (HerMES) guaranteed time key programmes. Our study makes use of the broad far-infrared and submillimetre wavelength coverage (100-600µm) only made possible by the combination of observations from the PACS and SPIRE instruments aboard the Herschel Space Observatory. Using a power-law temperature distribution model to derive infrared luminosities and dust temperatures, we measure a dust emissivity spectral index for SMGs of β=2.0±0.2. Our results unambiguously unveil the diversity of the SMG population. Some SMGs exhibit extreme infrared luminosities of ∼1013L and relatively warm dust components, while others are fainter (a few times 1012L) and are biased towards cold dust temperatures. Although at z∼2 classical SMGs (>5mJy at 850µm) have large infrared luminosities (∼1013L), objects only selected on their submm flux densities (without any redshift informations) probe a large range in dust temperatures and infrared luminosities. The extreme infrared luminosities of some SMGs (LIR>1012.7L, 26/61 systems) imply star formation rates (SFRs) of >500M/yr (assuming a Chabrier IMF and no dominant AGN contribution to the FIR luminosity). Such high SFRs are difficult to reconcile with a secular mode of star formation, and may instead correspond to a merger-driven stage in the evolution of these galaxies. Another observational argument in favour of this scenario is the presence of dust temperatures warmer than that of SMGs of lower luminosities (∼40K as opposed to ∼25K), consistent with observations of local ultra-luminous infrared galaxies triggered by major mergers and with results from hydrodynamic simulations of major mergers combined with radiative transfer calculations. Moreover, we find that luminous SMGs are systematically offset from normal star-forming galaxies in the stellar mass-SFR plane, suggesting that they are undergoing starburst events with short duty cycles, compatible with the major merger scenario. On the other hand, a significant fraction of the low infrared luminosity SMGs have cold dust temperatures, are located close to the main sequence of star formation, and therefore might be evolving through a secular mode of star formation. However, the properties of this latter population, especially their dust temperature, should be treated with caution because at these luminosities SMGs are not a representative sample of the entire star-forming galaxy population.

Abstract Copyright:

Journal keyword(s): galaxies: evolution - infrared: galaxies - galaxies: starburst - submillimeter: galaxies

Nomenclature: Tables 9-10: COSMOSLABOCA NNN N=6 added among (Nos 2-163).

Simbad objects: 82

goto Full paper

goto View the references in ADS

Number of rows : 82
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME SMM J00266+1708 GiC 00 26 34.10 +17 08 33.7     23.30   21.979 ~ 30 0
2 ZwCl 0024+1652 ClG 00 26 36.0 +17 08 36     18.35     ~ 611 1
3 ACO 370 ClG 02 39 50.5 -01 35 08           ~ 655 0
4 NAME SMM J02399-0136 G 02 39 51.87 -01 35 58.8       21.20   ~ 179 2
5 NAME LRG J0239-0134 Sy2 02 39 56.568 -01 34 26.49   20.44       ~ 56 0
6 ALESS J033205.12-274652.1 AGN 03 32 04.90 -27 46 47.5 26.11 25.041 25.34 26.10 23.974 ~ 41 0
7 LESS J033207.6-275123 G 03 32 07.3105 -27 51 20.849 25.15 24.47 24.26 23.94 23.27 ~ 9 0
8 ALESS J033213.85-275600.3 AGN 03 32 13.846 -27 56 00.09 27.86 28.22 27.73 25.6 25.90 ~ 50 0
9 ALESS J033219.02-275219.4 G 03 32 19.06 -27 52 14.8           ~ 21 0
10 ALESS J033221.60-275624.0 G 03 32 21.60 -27 56 24.0 26.37 22.010 24.84 24.261 23.61 ~ 21 0
11 NAME GOODS Southern Field reg 03 32 28.0 -27 48 30           ~ 1133 1
12 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 662 0
13 ALESS J033243.20-275514.3 AGN 03 32 43.1879 -27 55 14.295 26.14 24.85 24.52 24.42 24.2641 ~ 58 0
14 LESS J033243.3-275517 PaG 03 32 43.28 -27 55 17.9           ~ 32 0
15 [SWM2014] GOODS-S 11763 AGN 03 32 46.84416 -27 51 21.2040 24.82 24.4861 24.07 24.202 23.595 ~ 36 0
16 ClG 0451-03 ClG 04 54 10.9 -03 01 07     20.0     ~ 335 0
17 NAME SMM J04542-0301 smm 04 54 12.5 -03 01 04           ~ 10 0
18 COSMOSLABOCA 163 smm 09 59 28.120 +02 07 48.45           ~ 3 0
19 COSMOSLABOCA 121 smm 09 59 38.820 +02 08 41.28           ~ 3 0
20 AzTEC J095939.01+022124.5 smm 09 59 39.01 +02 21 24.5           ~ 2 0
21 COSMOSLABOCA 155 smm 09 59 39.060 +02 21 21.19           ~ 3 0
22 AzTEC J095939.30+023408.0 smm 09 59 39.30 +02 34 08.0           ~ 7 0
23 AzTEC 2 smm 10 00 08.05 +02 26 12.2           ~ 21 0
24 AzTEC 11 PaG 10 00 08.91 +02 40 10.2           ~ 16 0
25 AzTEC 5 rG 10 00 19.74 +02 32 04.3     25.3     ~ 29 0
26 AzTEC 3 G 10 00 20.690 +02 35 20.37           ~ 85 0
27 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2320 0
28 COSMOSLABOCA 12 smm 10 00 30.20 +02 41 37.6           ~ 4 0
29 ACS-GC 20091761 AG? 10 00 37.898 +02 08 21.86         23.518 ~ 4 0
30 COSMOSMAMBO MM J100038+020825 mm 10 00 38.1 +02 08 25           ~ 6 0
31 COSMOSLABOCA 2 smm 10 00 56.0 +02 20 17           ~ 2 0
32 COSMOSLABOCA 127 smm 10 01 24.580 +01 56 06.93           ~ 2 0
33 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 776 0
34 NAME SMM J105155.7+572312 smm 10 51 55.470 +57 23 12.77   26.91   26.08 26.22 ~ 29 0
35 NAME SMM J105158.02+571800.2 G 10 51 58.018 +57 18 00.27   25.78   24.54 23.67 ~ 35 0
36 NAME SMM J105201.25+572445.7 smm 10 52 01.417 +57 24 43.04       26.29 25.52 ~ 48 1
37 SWIRE J105201.92+574051.5 AGN 10 52 01.98 +57 40 49.3           ~ 8 0
38 [ADP2010] AzLOCK.56 smm 10 52 04.013 +57 25 24.20   28.08   26.20 25.81 ~ 22 0
39 [MDI2012] AzLOCK7 smm 10 52 04.079 +57 26 58.52   25.57   24.48 24.17 ~ 30 0
40 NAME SMM J105207.49+571904.0 G 10 52 07.490 +57 19 04.01   25.89   25.62 25.27 ~ 36 0
41 [ADP2010] AzLOCK.62 smm 10 52 11.61 +57 35 10.7           ~ 4 0
42 [IGS2002] LE 850.17 smm 10 52 16.8 +57 19 23           ~ 6 0
43 NAME SMM J105224.6+572119 G 10 52 24.6 +57 21 19           ~ 11 0
44 [VV98] J105225.9+571907 QSO 10 52 25.88 +57 19 06.7   25.90 23.85 24.7 21.77 ~ 17 1
45 NAME SMM J105238.19+571651.1 G 10 52 38.256 +57 16 51.31       22.70 22.66 ~ 14 0
46 [ADP2010] AzLOCK.5 smm 10 54 03.76 +57 25 53.7   25.94   25.46   ~ 4 0
47 [IIB2009] LH610MHz J105407.0+573308 G 10 54 06.87 +57 33 08.7   23.04   22.65   ~ 8 0
48 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 451 0
49 NAME SMM J105702.50-033602.6 G 10 57 02.50 -03 36 02.6           ~ 2 0
50 NAME SMM J123616+621518 AGN 12 36 16.1171 +62 15 14.013 27.8 25.8257 25.78 25.3 26.6108 ~ 63 0
51 AzGN 16 smm 12 36 16.18 +62 15 18.1           ~ 7 0
52 AzGN 36 smm 12 36 17.38 +62 15 45.5           ~ 4 0
53 NAME SMM J123618+621554 rG 12 36 18.32 +62 15 50.5 25.84   25.58 25.07 25.0 ~ 61 0
54 NAME SMM J123618+621009 G 12 36 19.1221 +62 10 04.378 26.78         ~ 24 0
55 [WCB2004] GOODS 850-15a mm 12 36 21.101 +62 17 09.60           ~ 35 0
56 NAME SMM J123621.3+621708 G 12 36 21.25 +62 17 08.3   25.1     25.0 ~ 53 0
57 NAME SMM J123628+621048 rG 12 36 28.880 +62 10 45.23           ~ 16 0
58 NAME SMM J123635+621239 G 12 36 35.20 +62 12 42.4           ~ 22 0
59 NAME SMM J123650+621318 smm 12 36 50.5 +62 13 17           ~ 25 0
60 NAME SMM J123653+621121 G 12 36 53.1 +62 11 21           ~ 8 0
61 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 979 1
62 NAME SMM J123656+621203 QSO 12 36 55.850 +62 12 01.29 25.62 26.7 26.12     ~ 31 0
63 [PBS2005] SMM J123706+622112 smm 12 37 06.5 +62 21 12       22.9   ~ 6 0
64 NAME SMM J123707.2+621408 AGN 12 37 07.2086 +62 14 08.499 28.12 26.8993 26.6 25.6 25.3860 ~ 101 0
65 [PSD2006] GN20.2a G 12 37 08.840 +62 22 02.37     25.150     ~ 42 0
66 [GPS2008] GN 1200.3 G 12 37 11.2 +62 13 28           ~ 7 0
67 NAME SMM J123711+622212 AGN 12 37 11.89 +62 22 12.7   27.1786 25.185   24.4196 ~ 169 0
68 NAME SMM J123712.0+621325 rG 12 37 11.990 +62 13 25.72 25.92 26.0414 26.2 25.6 25.1091 ~ 61 2
69 NAME SMM J13115-01208 G 13 11 29.14 -01 20 46.5           ~ 3 0
70 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1048 0
71 NAME SMM J14009+0252 G 14 00 57.538 +02 52 49.85           ~ 43 0
72 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 645 1
73 NAME SMM J14011+0252 GiC 14 01 04.95 +02 52 24.0           ~ 152 1
74 [KBV2006] SMM J163541.2+661144 smm 16 35 41.2 +66 11 44           ~ 7 0
75 NAME SMM J16358+6612.1 LeI 16 35 50.96 +66 12 05.5           ~ 13 0
76 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 784 1
77 NAME SMM J16359+6612.4 LeI 16 35 54.10 +66 12 23.8           ~ 29 0
78 NAME SMM J16359+6612.6 LeI 16 35 55.18 +66 12 37.2           ~ 18 0
79 NAME SMM J16403+46440 smm 16 40 19.50 +46 44 00.5           ~ 5 0
80 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 330 0
81 ACO 2390 ClG 21 53 34.6 +17 40 11           ~ 642 2
82 NAME SMM J21536+1742 G 21 53 38.35 +17 42 16.3           ~ 8 0

To bookmark this query, right click on this link: simbad:objects in 2012A&A...539A.155M and select 'bookmark this link' or equivalent in the popup menu


2021.08.03-12:30:06

© Université de Strasbourg/CNRS

    • Contact