2015ApJ...812...43B

Query : 2015ApJ...812...43B

2015ApJ...812...43B - Astrophys. J., 812, 43 (2015/October-2)

HerMES: ALMA imaging of Herschel-selected dusty star-forming galaxies.

BUSSMANN R.S., RIECHERS D., FIALKOV A., SCUDDER J., HAYWARD C.C., COWLEY W.I., BOCK J., CALANOG J., CHAPMAN S.C., COORAY A., DE BERNARDIS F., FARRAH D., FU H., GAVAZZI R., HOPWOOD R., IVISON R.J., JARVIS M., LACEY C., LOEB A., OLIVER S.J., PEREZ-FOURNON I., RIGOPOULOU D., ROSEBOOM I.G., SCOTT D., SMITH A.J., VIEIRA J.D., WANG L. and WARDLOW J.

Abstract (from CDS):

The Herschel Multi-tiered Extragalactic Survey (HerMES) has identified large numbers of dusty star-forming galaxies (DSFGs) over a wide range in redshift. A detailed understanding of these DSFGs is hampered by the limited spatial resolution of Herschel. We present 870 µm 0".45 resolution imaging obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) of a sample of 29 HerMES DSFGs that have far-infrared (FIR) flux densities that lie between the brightest of sources found by Herschel and fainter DSFGs found via ground-based surveys in the submillimeter region. The ALMA imaging reveals that these DSFGs comprise a total of 62 sources (down to the point-source sensitivity limit in our ALMA sample;). Optical or near-infrared imaging indicates that 36 of the ALMA sources experience a significant flux boost from gravitational lensing (), but only six are strongly lensed and show multiple images. We introduce and make use of uvmcmcfit, a general-purpose and publicly available Markov chain Monte Carlo visibility-plane analysis tool to analyze the source properties. Combined with our previous work on brighter Herschel sources, the lens models presented here tentatively favor intrinsic number counts for DSFGs with a break near at and a steep fall-off at higher flux densities. Nearly 70% of the Herschel sources break down into multiple ALMA counterparts, consistent with previous research indicating that the multiplicity rate is high in bright sources discovered in single-dish submillimeter or FIR surveys. The ALMA counterparts to our Herschel targets are located significantly closer to each other than ALMA counterparts to sources found in the LABOCA ECDFS Submillimeter Survey. Theoretical models underpredict the excess number of sources with small separations seen in our ALMA sample. The high multiplicity rate and small projected separations between sources seen in our sample argue in favor of interactions and mergers plausibly driving both the prodigious emission from the brightest DSFGs as well as the sharp downturn above.

Abstract Copyright: ∼

Journal keyword(s): galaxies: evolution - submillimeter: galaxies - techniques: interferometric

VizieR on-line data: <Available at CDS (J/ApJ/812/43): table1.dat table2.dat table3.dat>

Nomenclature: Tables 1+3: [BRF2015] HELAISSNN.N N=4, [BRF2015] HXMMNN.N N=27, [BRF2015] HECDFSNN.N N=7, [BRF2015] HADFSNN.N N=19, [BRF2015] HCOSMOSNN.N N=6. Table 2: [BRF2015] HELAISS02.Lens0 N=1, [BRF2015] HXMMNN.LensN N=13, [BRF2015] HECDFSNN.LensN N=2, [BRF2015] HADFSNN.LensN N=5, [BRF2015] HCOSMOS01.Lens0 N=1.

Errata: erratum vol. 815, art. 135 (2015)

Simbad objects: 101

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Number of rows : 101
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 [BRF2015] HELAISS02.2 smm 00 38 23.313 -43 36 58.97           ~ 3 0
2 [BRF2015] HELAISS02.1 smm 00 38 23.482 -43 37 05.56           ~ 3 0
3 1HERMES S250 J003823.6-433707 IR 00 38 23.587 -43 37 04.15           ~ 8 0
4 [BRF2015] HELAISS02.0 smm 00 38 23.762 -43 37 06.10           ~ 3 0
5 [BRF2015] HELAISS02.3 smm 00 38 23.803 -43 37 10.46           ~ 2 0
6 QSO B0104-408 Bla 01 06 45.10796439 -40 34 19.9603733   18.60 19.0 19.25   ~ 136 1
7 QSO J0217+0144 Bla 02 17 48.95475095 +01 44 49.6990271   16.74 16.09 18.51 13.29 ~ 455 1
8 HSCS J021830.67-053131.8 gLe 02 18 30.67782 -05 31 31.8799           ~ 4 0
9 NAME HXMM02 rG 02 18 30.680 -05 31 31.80   25.86 20.639 24.80   ~ 19 0
10 [BRF2015] HXMM31.0 smm 02 18 41.520 -03 50 04.72           ~ 1 0
11 1HERMES S250 J021841.5-035002 IR 02 18 41.613 -03 50 03.70           ~ 1 0
12 [BRF2015] HXMM31.1 smm 02 18 41.700 -03 50 02.57           ~ 1 0
13 [BRF2015] HXMM29.1 smm 02 18 53.095 -06 33 25.21           ~ 1 0
14 1HERMES S250 J021853.1-063325 IR 02 18 53.111 -06 33 24.65           ~ 1 0
15 [BRF2015] HXMM29.0 smm 02 18 53.118 -06 33 24.19           ~ 1 0
16 [WCD2013] 1HERMES S250 J021918.4-031051 lens gLe 02 19 18.4 -03 10 51           ~ 2 0
17 1HERMES S250 J021918.4-031051 IR 02 19 18.417 -03 10 51.35           ~ 2 0
18 [BRF2015] HXMM20.0 smm 02 19 42.629 -05 24 37.11           ~ 4 0
19 [BRF2015] HXMM20.3 smm 02 19 42.682 -05 24 36.82           ~ 4 0
20 [BRF2015] HXMM20.2 smm 02 19 42.769 -05 24 36.48           ~ 4 0
21 [BRF2015] HXMM20.1 smm 02 19 42.838 -05 24 35.11           ~ 3 0
22 1HERMES S250 J021942.7-052436 G 02 19 42.840 -05 24 35.11           ~ 12 0
23 [BRF2015] HXMM20.4 smm 02 19 42.955 -05 24 32.22           ~ 3 0
24 NAME HXMM01 G 02 20 16.5 -06 01 43           ~ 31 0
25 [WCD2013] J022016.58-060144.3 LeG 02 20 16.571 -06 01 44.56           ~ 2 0
26 [BRF2015] HXMM01.2 smm 02 20 16.609 -06 01 40.72           ~ 1 0
27 [WCD2013] J022016.65-060141.9 LeG 02 20 16.648 -06 01 41.93           ~ 2 0
28 NAME HXMM04 IR 02 20 21.756 -01 53 30.92           ~ 3 0
29 [BRF2015] HXMM09.1 smm 02 20 29.079 -06 48 44.86           ~ 1 0
30 [BRF2015] HXMM09.0 smm 02 20 29.195 -06 48 48.02           ~ 1 0
31 NAME HXMM09 IR 02 20 29.2 -06 48 45           ~ 3 0
32 1HERMES S250 J022135.1-062617 IR 02 21 34.891 -06 26 17.87           ~ 2 0
33 [BRF2015] HXMM03.1 smm 02 21 35.124 -06 26 16.62           ~ 1 0
34 [BRF2015] HXMM03.2 smm 02 21 35.132 -06 26 18.02           ~ 1 0
35 [BRF2015] HXMM03.0 smm 02 21 35.136 -06 26 17.28           ~ 1 0
36 [BRF2015] HXMM11.0 smm 02 22 01.592 -03 33 39.42           ~ 1 0
37 1HERMES S250 J022201.6-033340 IR 02 22 01.616 -03 33 41.40           ~ 1 0
38 [BRF2015] HXMM11.1 smm 02 22 01.629 -03 33 43.58           ~ 1 0
39 1HERMES S250 J022205.4-070728 IR 02 22 05.362 -07 07 28.10           ~ 2 0
40 1HERMES S250 J022250.5-032410 IR 02 22 50.573 -03 24 12.35           ~ 2 0
41 NAME HXMM05 G 02 25 47.942 -04 17 50.80           ~ 8 0
42 [BRF2015] HXMM30.Lens0 gLe 02 29 44.738 -03 41 09.52           ~ 1 0
43 1HERMES S250 J022944.7-034110 IR 02 29 44.740 -03 41 09.57           ~ 4 0
44 1HERMES S250 J023006.0-034152 IR 02 30 05.950 -03 41 53.07           ~ 2 0
45 [BRF2015] HECDFS12.1 smm 03 27 52.002 -29 09 09.65           ~ 1 0
46 [BRF2015] HECDFS12.Lens0 gLe 03 27 52.024 -29 09 12.15           ~ 1 0
47 [BRF2015] HECDFS12.2 smm 03 27 52.0286045424 -29 09 12.108081024           ~ 1 0
48 [BRF2015] HECDFS12.0 smm 03 27 52.0286045424 -29 09 12.108081024           ~ 1 0
49 BLAST J032752-290904 smm 03 27 52.06 -29 09 11.2           ~ 3 0
50 [BRF2015] HECDFS04.1 smm 03 32 10.729 -27 05 36.22           ~ 1 0
51 1HERMES S250 J033210.8-270535 IR 03 32 10.840 -27 05 34.18           ~ 2 0
52 [BRF2015] HECDFS04.0 smm 03 32 10.905 -27 05 32.87           ~ 1 0
53 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
54 [BRF2015] HECDFS13.0 smm 03 33 18.006 -28 09 07.55           ~ 1 0
55 [BRF2015] HECDFS13.1 smm 03 33 18.032 -28 09 07.39           ~ 1 0
56 BLAST J033317-280901 smm 03 33 18.07 -28 09 08.4           ~ 3 0
57 QSO J0403-3605 Bla 04 03 53.74990003 -36 05 01.9131880   17.04 17.17 16.67   ~ 313 1
58 1HERMES S250 J043340.5-540337 IR 04 33 40.450 -54 03 39.51           ~ 2 0
59 [BRF2015] HADFS04.0 smm 04 33 40.455 -54 03 40.29           ~ 1 0
60 [BRF2015] HADFS04.2 smm 04 33 40.472 -54 03 38.33           ~ 1 0
61 [BRF2015] HADFS04.1 smm 04 33 40.501 -54 03 40.05           ~ 1 0
62 [BRF2015] HADFS02.1 smm 04 36 19.698 -55 24 25.27           ~ 1 0
63 1HERMES S250 J043619.3-552425 IR 04 36 19.702 -55 24 25.01           ~ 2 0
64 [BRF2015] HADFS02.0 smm 04 36 19.706 -55 24 24.41           ~ 1 0
65 [ALB2018] ACTJ0438-1 smm 04 38 30.780 -54 18 31.79           ~ 2 0
66 1HERMES S250 J043829.7-541831 IR 04 38 30.883 -54 18 29.38           ~ 1 0
67 [BRF2015] HADFS11.1 smm 04 38 30.970 -54 18 26.60           ~ 1 0
68 [BRF2015] HADFS10.0 smm 04 41 03.866 -53 12 41.33           ~ 1 0
69 [BRF2015] HADFS10.2 smm 04 41 03.912 -53 12 42.09           ~ 1 0
70 1HERMES S250 J044103.8-531240 IR 04 41 03.942 -53 12 41.01           ~ 1 0
71 [BRF2015] HADFS10.1 smm 04 41 04.000 -53 12 40.10           ~ 1 0
72 [BRF2015] HADFS01.Lens0 gLe 04 41 53.873 -54 03 53.23           ~ 1 0
73 1HERMES S250 J044153.9-540350 IR 04 41 53.880 -54 03 53.48           ~ 2 0
74 [BRF2015] HADFS09.2 smm 04 49 46.280 -52 54 26.06           ~ 1 0
75 [BRF2015] HADFS09.1 smm 04 49 46.301 -52 54 30.26           ~ 1 0
76 1HERMES S250 J044946.9-525424 IR 04 49 46.448 -52 54 26.95           ~ 2 0
77 [BRF2015] HADFS09.0 smm 04 49 46.603 -52 54 23.66           ~ 1 0
78 [BRF2015] HADFS08.0 smm 04 50 27.092 -52 41 25.62           ~ 1 0
79 1HERMES S250 J045026.5-524127 IR 04 50 27.453 -52 41 25.41           ~ 2 0
80 [BRF2015] HADFS08.1 smm 04 50 27.806 -52 41 25.10           ~ 1 0
81 [BRF2015] HADFS03.0 smm 04 50 57.610 -53 16 55.09           ~ 1 0
82 1HERMES S250 J045057.5-531654 IR 04 50 57.715 -53 16 54.42           ~ 2 0
83 [BRF2015] HADFS03.2 smm 04 50 57.7211940000 -53 16 53.634154332           ~ 1 0
84 [BRF2015] HADFS03.1 smm 04 50 57.805 -53 16 56.96           ~ 1 0
85 ESO 252-18A Sy1 05 19 49.7229323856 -45 46 43.852662732   15.73 15.77 14.85   ~ 714 0
86 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
87 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
88 AS2COS 0003.4 G 10 00 56.88 +02 20 08.6   25.559 25.478     ~ 17 0
89 AS2COS 0003.1 rG 10 00 56.946 +02 20 17.35           ~ 20 0
90 AzTEC J100057.20+022008.7 rG 10 00 57.2 +02 20 13           ~ 15 0
91 AS2COS 0003.3 rG 10 00 57.272 +02 20 12.65           ~ 16 0
92 COSMOS2015 684410 G 10 00 57.400 +02 20 10.83           ~ 12 0
93 AS2COS 0003.2 G 10 00 57.565 +02 20 11.26           ~ 16 0
94 ClG J1001+0220 ClG 10 01.0 +02 20           ~ 54 0
95 [BRF2015] HCOSMOS01.Lens0 gLe 10 01 44.174 +02 57 12.75           ~ 1 0
96 1HERMES S250 J100144.1+025712 IR 10 01 44.182 +02 57 12.47           ~ 2 0
97 3C 238 rG 10 11 00.346 +06 24 40.75   22.5       ~ 82 1
98 NAME HLock01 G 10 57 51.1 +57 30 27           ~ 45 0
99 NAME SMM J123711+622212 rG 12 37 11.92 +62 22 12.1   27.1786 25.185   24.4196 ~ 237 0
100 NAME HFLS 3 G 17 06 47.8 +58 46 23           ~ 151 0
101 QSO B2255-2814 Bla 22 58 05.96287687 -27 58 21.2567572   17.34 16.77 17.20   ~ 397 1

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