2016ApJ...832...78I

Query : 2016ApJ...832...78I

2016ApJ...832...78I - Astrophys. J., 832, 78-78 (2016/November-3)

The space density of luminous dusty star-forming galaxies at z > 4: SCUBA-2 and LABOCA imaging of ultrared galaxies from Herschel-ATLAS.

IVISON R.J., LEWIS A.J.R., WEISS A., ARUMUGAM V., SIMPSON J.M., HOLLAND W.S., MADDOX S., DUNNE L., VALIANTE E., VAN DER WERF P., OMONT A., DANNERBAUER H., SMAIL I., BERTOLDI F., BREMER M., BUSSMANN R.S., CAI Z.-Y., CLEMENTS D.L., COORAY A., DE ZOTTI G., EALES S.A., FULLER C., GONZALEZ-NUEVO J., IBAR E., NEGRELLO M., OTEO I., PEREZ-FOURNON I., RIECHERS D., STEVENS J.A., SWINBANK A.M. and WARDLOW J.

Abstract (from CDS):

Until recently, only a handful of dusty, star-forming galaxies (DSFGs) were known at z > 4, most of them significantly amplified by gravitational lensing. Here, we have increased the number of such DSFGs substantially, selecting galaxies from the uniquely wide 250, 350, and 500 µm Herschel-ATLAS imaging survey on the basis of their extremely red far-infrared colors and faint 350 and 500 µm flux densities, based on which, they are expected to be largely unlensed, luminous, rare, and very distant. The addition of ground-based continuum photometry at longer wavelengths from the James Clerk Maxwell Telescope and the Atacama Pathfinder Experiment allows us to identify the dust peak in their spectral energy distributions (SEDs), with which we can better constrain their redshifts. We select the SED templates that are best able to determine photometric redshifts using a sample of 69 high-redshift, lensed DSFGs, then perform checks to assess the impact of the CMB on our technique, and to quantify the systematic uncertainty associated with our photometric redshifts, σ = 0.14 (1 + z), using a sample of 25 galaxies with spectroscopic redshifts, each consistent with our color selection. For Herschel-selected ultrared galaxies with typical colors of S500/S250 ∼ 2.2 and S500/S350 ∼ 1.3 and flux densities, S500 ∼ 50 mJy, we determine a median redshift, \hatzphot=3.66, an interquartile redshift range, 3.30-4.27, with a median rest-frame 8-1000 µm luminosity, \hatLIR, of 1.3 x 1013 L☉. A third of the galaxies lie at z > 4, suggesting a space density, ρ_z > 4_, of ≃6 x 10–7 Mpc–3. Our sample contains the most luminous known star-forming galaxies, and the most overdense cluster of starbursting proto-ellipticals found to date.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: high-redshift - galaxies: starburst - infrared: galaxies - submillimeter: galaxies - submillimeter: galaxies

VizieR on-line data: <Available at CDS (J/ApJ/832/78): table1.dat table2.dat>

Nomenclature: Table 1, col(1): H-ATLAS JHHMMSS.s+DDMMSS N=109. Table 1, col(2): [ILW2016] GHH-NNNNNN N=47 among (Nos G09-47693 to G09-101355, G12-34009 to G12-87695, G15-21998 to G15-105504), [ILW2016] SGP-NNNNNN N=33 among (Nos 28124-499828), [ILW2016] NGP-NNNNNN N=32 among (Nos 63663-316031).

Simbad objects: 115

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Number of rows : 115
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 H-ATLAS J000018.0-333737 G 00 00 18.0 -33 37 37           ~ 2 0
2 HerBS 41 G 00 01 24.9 -35 42 12           ~ 7 0
3 H-ATLAS J000248.8-313444 G 00 02 48.8 -31 34 44           ~ 2 0
4 H-ATLAS J000307.2-330250 G 00 03 07.20 -33 02 50.9           ~ 8 0
5 H-ATLAS J000607.6-322639 G 00 06 07.6 -32 26 39           ~ 3 0
6 H-ATLAS J000624.3-323019 G 00 06 24.3 -32 30 19           ~ 3 0
7 H-ATLAS J001003.6-300720 G 00 10 03.6 -30 07 20           ~ 2 0
8 H-ATLAS J001022.4-320456 G 00 10 22.4 -32 04 56           ~ 2 0
9 H-ATLAS J001223.5-313242 G 00 12 23.5 -31 32 42           ~ 2 0
10 H-ATLAS J001526.4-353738 G 00 15 26.4 -35 37 38           ~ 2 0
11 H-ATLAS J001635.8-331553 G 00 16 35.8 -33 15 53           ~ 2 0
12 H-ATLAS J002156.8-334611 G 00 21 56.8 -33 46 11           ~ 2 0
13 H-ATLAS J002455.5-350141 G 00 24 55.5 -35 01 41           ~ 2 0
14 H-ATLAS J002907.0-294045 G 00 29 07.0 -29 40 45           ~ 2 0
15 H-ATLAS J003131.1-293122 G 00 31 31.1 -29 31 22           ~ 2 0
16 H-ATLAS J003533.9-280302 G 00 35 33.9 -28 03 02           ~ 3 0
17 H-ATLAS J004223.5-334340 G 00 42 23.56 -33 43 38.5           ~ 8 0
18 H-ATLAS J004615.0-321825 G 00 46 14.97 -32 18 24.6           ~ 4 0
19 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 567 0
20 H-ATLAS J010740.7-282711 G 01 07 40.7 -28 27 11           ~ 1 0
21 H-ATLAS J013301.9-330421 G 01 33 01.9 -33 04 21           ~ 2 0
22 H-ATLAS J083522.1+005228 G 08 35 22.1 +00 52 28           ~ 2 0
23 H-ATLAS J083909.9+022718 G 08 39 09.9 +02 27 18           ~ 2 0
24 H-ATLAS J084059.3-000417 G 08 40 59.3 -00 04 17           ~ 2 0
25 H-ATLAS J084113.6-004114 G 08 41 13.6 -00 41 14           ~ 2 0
26 H-ATLAS J084659.0-004219 G 08 46 59.0 -00 42 19           ~ 2 0
27 H-ATLAS J084937.0+001455 G 08 49 37.0 +00 14 55           ~ 3 0
28 H-ATLAS J085156.0+020533 G 08 51 56.0 +02 05 33           ~ 2 0
29 H-ATLAS J085612.1-004922 G 08 56 12.1 -00 49 22           ~ 2 0
30 H-ATLAS J090045.4+004125 G 09 00 45.4 +00 41 25           ~ 21 0
31 H-ATLAS J090304.5-004616 G 09 03 04.60 -00 46 16.5           ~ 3 0
32 H-ATLAS J090419.9-013742 G 09 04 19.9 -01 37 42           ~ 2 0
33 H-ATLAS J090808.9+015459 G 09 08 08.9 +01 54 59           ~ 2 0
34 H-ATLAS J090855.6+015638 G 09 08 55.6 +01 56 38           ~ 2 0
35 H-ATLAS J090916.2+002523 G 09 09 16.2 +00 25 23           ~ 2 0
36 H-ATLAS J090925.0+015542 G 09 09 25.0 +01 55 42           ~ 2 0
37 H-ATLAS J091130.1-003846 G 09 11 30.1 -00 38 46           ~ 2 0
38 H-ATLAS J091642.6+022147 G 09 16 42.6 +02 21 47           ~ 2 0
39 H-ATLAS J113331.1-003415 G 11 33 31.1 -00 34 15           ~ 2 0
40 H-ATLAS J113348.0-002930 G 11 33 48.0 -00 29 30           ~ 2 0
41 H-ATLAS J114038.8-022804 G 11 40 38.81 -02 28 05.0           ~ 3 0
42 H-ATLAS J114314.6+002846 G 11 43 14.6 +00 28 46           ~ 2 0
43 H-ATLAS J114350.3-005210 G 11 43 50.31 -00 52 10.7           ~ 3 0
44 H-ATLAS J114353.5+001250 G 11 43 53.55 +00 12 50.4           ~ 3 0
45 H-ATLAS J114408.1-004312 G 11 44 08.1 -00 43 12           ~ 2 0
46 H-ATLAS J114412.1+001812 G 11 44 12.15 +00 18 12.4           ~ 3 0
47 H-ATLAS J115012.2-011252 G 11 50 12.2 -01 12 52           ~ 2 0
48 H-ATLAS J115241.5-011258 G 11 52 41.5 -01 12 58           ~ 2 0
49 H-ATLAS J115415.5-010255 G 11 54 15.5 -01 02 55           ~ 2 0
50 H-ATLAS J115552.7-021111 G 11 55 52.7 -02 11 11           ~ 2 0
51 H-ATLAS J115614.0+013900 G 11 56 14.06 +01 39 00.9           ~ 3 0
52 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1177 0
53 H-ATLAS J125433.5+222809 G 12 54 33.5 +22 28 09           ~ 2 0
54 H-ATLAS J125440.7+264925 G 12 54 40.7 +26 49 25           ~ 2 0
55 H-ATLAS J125512.4+251358 G 12 55 12.4 +25 13 58           ~ 2 0
56 H-ATLAS J125607.2+223046 G 12 56 07.2 +22 30 46           ~ 2 0
57 H-ATLAS J130329.2+232212 G 13 03 29.2 +23 22 12           ~ 2 0
58 H-ATLAS J130456.6+283711 G 13 04 56.6 +28 37 11           ~ 2 0
59 H-ATLAS J130515.8+253057 G 13 05 15.8 +25 30 57           ~ 2 0
60 H-ATLAS J130545.8+252953 G 13 05 45.8 +25 29 53           ~ 2 0
61 H-ATLAS J130823.8+244529 G 13 08 23.8 +24 45 29           ~ 2 0
62 H-ATLAS J130823.9+254514 G 13 08 23.9 +25 45 14           ~ 2 0
63 H-ATLAS J131425.9+240634 G 13 14 25.9 +24 06 34           ~ 2 0
64 H-ATLAS J131658.1+335457 G 13 16 58.1 +33 54 57           ~ 2 0
65 H-ATLAS J131715.3+323835 G 13 17 15.3 +32 38 35           ~ 2 0
66 H-ATLAS J131759.9+260943 G 13 17 59.9 +26 09 43           ~ 2 0
67 H-ATLAS J131901.6+285438 G 13 19 01.6 +28 54 38           ~ 2 0
68 H-ATLAS J132419.5+343625 G 13 24 19.5 +34 36 25           ~ 2 0
69 H-ATLAS J132546.1+300849 G 13 25 46.1 +30 08 49           ~ 2 0
70 H-ATLAS J132600.0+231546 G 13 26 00.0 +23 15 46           ~ 2 0
71 H-ATLAS J132627.5+335633 G 13 26 27.5 +33 56 33           ~ 2 0
72 H-ATLAS J132731.0+334850 G 13 27 31.0 +33 48 50           ~ 2 0
73 H-ATLAS J133217.4+343945 G 13 32 17.4 +34 39 45           ~ 2 0
74 H-ATLAS J133220.4+320308 G 13 32 20.4 +32 03 08           ~ 2 0
75 H-ATLAS J133251.5+332339 G 13 32 51.5 +33 23 39           ~ 2 0
76 H-ATLAS J133337.6+241541 G 13 33 37.6 +24 15 41           ~ 4 0
77 H-ATLAS J133356.3+271541 G 13 33 56.3 +27 15 41           ~ 2 0
78 H-ATLAS J133446.1+301933 G 13 34 46.1 +30 19 33           ~ 2 0
79 H-ATLAS J133836.0+273247 G 13 38 36.0 +27 32 47           ~ 2 0
80 H-ATLAS J133919.3+245056 G 13 39 19.3 +24 50 56           ~ 2 0
81 H-ATLAS J134040.3+323709 G 13 40 40.3 +32 37 09           ~ 2 0
82 H-ATLAS J134114.2+335934 G 13 41 14.2 +33 59 34           ~ 2 0
83 H-ATLAS J134119.4+341346 G 13 41 19.4 +34 13 46           ~ 2 0
84 H-ATLAS J134729.9+295630 G 13 47 29.9 +29 56 30           ~ 2 0
85 H-ATLAS J140555.8-004450 G 14 05 55.8 -00 44 50           ~ 2 0
86 H-ATLAS J140609.2+000019 G 14 06 09.2 +00 00 19           ~ 2 0
87 H-ATLAS J140916.8-014214 G 14 09 16.8 -01 42 14           ~ 2 0
88 H-ATLAS J141250.2-000323 G 14 12 50.2 -00 03 23           ~ 2 0
89 H-ATLAS J141909.7-001514 G 14 19 09.7 -00 15 14           ~ 2 0
90 H-ATLAS J142208.7+001419 Q? 14 22 08.7 +00 14 19           ~ 3 0
91 NAME G15.v2.779 G 14 24 13.9 +02 23 04           ~ 52 0
92 H-ATLAS J142514.7+021758 G 14 25 14.7 +02 17 58           ~ 2 0
93 H-ATLAS J142647.8-011702 G 14 26 47.8 -01 17 02           ~ 2 0
94 H-ATLAS J142710.6+013806 G 14 27 10.65 +01 38 06.9           ~ 3 0
95 H-ATLAS J143015.0+012248 G 14 30 15.0 +01 22 48           ~ 2 0
96 H-ATLAS J143139.7-012511 G 14 31 39.7 -01 25 11           ~ 2 0
97 H-ATLAS J143522.8+012105 G 14 35 22.8 +01 21 05           ~ 2 0
98 H-ATLAS J143639.5-013305 G 14 36 39.5 -01 33 05           ~ 2 0
99 H-ATLAS J144003.9-011019 G 14 40 03.9 -01 10 19           ~ 2 0
100 H-ATLAS J144308.3+015853 G 14 43 08.3 +01 58 53           ~ 2 0
101 H-ATLAS J144433.3+001639 G 14 44 33.3 +00 16 39           ~ 2 0
102 H-ATLAS J145012.7+014813 G 14 50 12.7 +01 48 13           ~ 3 0
103 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2959 4
104 NAME HFLS 3 G 17 06 47.8 +58 46 23           ~ 137 0
105 NAME Eyelash LeG 21 35 11.60 -01 02 52.0           ~ 227 0
106 H-ATLAS J222318.1-322204 G 22 23 18.1 -32 22 04           ~ 2 0
107 H-ATLAS J222737.1-333835 G 22 27 37.1 -33 38 35           ~ 3 0
108 H-ATLAS J222919.2-293731 G 22 29 19.2 -29 37 31           ~ 2 0
109 H-ATLAS J223702.2-340551 G 22 37 02.2 -34 05 51           ~ 2 0
110 H-ATLAS J223835.6-312009 G 22 38 35.6 -31 20 09           ~ 2 0
111 H-ATLAS J225432.0-323904 G 22 54 32.0 -32 39 04           ~ 2 0
112 H-ATLAS J225855.7-312405 G 22 58 55.7 -31 24 05           ~ 2 0
113 H-ATLAS J230357.0-334506 G 23 03 57.0 -33 45 06           ~ 2 0
114 H-ATLAS J230805.9-333600 G 23 08 05.9 -33 36 00           ~ 2 0
115 H-ATLAS J231146.6-313518 G 23 11 46.6 -31 35 18           ~ 2 0

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