2020ApJ...889...80L

Query : 2020ApJ...889...80L

2020ApJ...889...80L - Astrophys. J., 889, 80-80 (2020/February-1)

SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES). III. Multiwavelength properties, luminosity functions, and preliminary source catalog of 450µm selected galaxies.

LIM C.-F., WANG W.-H., SMAIL I., SCOTT D., CHEN C.-C., CHANG Y.-Y., SIMPSON J.M., TOBA Y., SHU X., CLEMENTS D., GREENSLADE J., AO Y., BABUL A., BIRKIN J., CHAPMAN S.C., CHENG T.-A., CHO B.S., DANNERBAUER H., DUDZEVICIUTE U., DUNLOP J., GAO Y., GOTO T., HO L.C., HSU L.-T., HWANG H.S., JEONG W.-S., KOPROWSKI M., LEE C.-H., LIN M.-Y., LIN W.-C., MICHALOWSKI M.J., PARSONS H., SAWICKI M., SHIRLEY R., SHIM H., URQUHART S., WANG J. and WANG T.

Abstract (from CDS):

We construct a SCUBA-2 450 µm map in the COSMOS field that covers an area of 300 arcmin2 and reaches a 1σ noise level of 0.65 mJy in the deepest region. We extract 256 sources detected at 450 µm with signal-to-noise ratios >4.0 and analyze the physical properties of their multiwavelength counterparts. We find that most of the sources are at z <= 3, with a median of z=1.79–0.15+0.03 % . About 35–25+32 % of our sources are classified as starburst galaxies based on their total star formation rates (SFRs) and stellar masses (M*). By fitting the far-infrared spectral energy distributions, we find that our 450 µm selected sample has a wide range of dust temperatures (20 K <= Td <= 60 K), with a median of Td=38.3–0.9+0.4 K. We do not find a redshift evolution in dust temperature for sources with LIR> 1012L☉ at z < 3. However, we find a moderate correlation where the dust temperature increases with the deviation from the SFR-M* relation. The increase in dust temperature also correlates with optical morphology, which is consistent with merger-triggered starbursts in submillimeter galaxies. Our galaxies do not show the tight IRX-βUV correlation that has been observed in the local universe. We construct the infrared luminosity functions of our 450 µm sources and measure their comoving SFR densities (SFRDs). The contribution of the LIR> 1012L☉ population to the SFRD rises dramatically from z = 0 to 2 (∝(1 + z)3.9±1.1) and dominates the total SFRD at z >= 2.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): High-redshift galaxies - Galaxy evolution - Luminosity function - Submillimeter astronomy

VizieR on-line data: <Available at CDS (J/ApJ/889/80): table2.dat table3.dat table4.dat table5.dat table6.dat>

Nomenclature: Tables 2-6: [LWS2020] JHHMMSS.ss+DDMMSS.ss N=134+76+46.

Simbad objects: 141

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Number of rows : 141
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 SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 MCG+06-21-054 AG? 09 35 20.015 +35 54 49.24   16.5       ~ 19 0
3 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
4 [LWS2020] J095957.23+022127.47 rG 09 59 57.100 +02 21 27.45           ~ 1 0
5 [LWS2020] J095958.43+022230.53 rG 09 59 58.420 +02 22 30.53           ~ 1 0
6 [LWS2020] J100001.77+022437.87 rG 10 00 01.670 +02 24 37.87           ~ 1 0
7 COSMOS2015 685059 rG 10 00 04.35 +02 20 23.5 26.04 25.90 25.69 25.88 25.71 ~ 2 0
8 [LWS2020] J100004.70+023002.80 rG 10 00 04.800 +02 30 03.02           ~ 1 0
9 [LWS2020] J100005.23+021709.33 rG 10 00 05.140 +02 17 09.29           ~ 1 0
10 [LWS2020] J100005.63+022541.20 rG 10 00 05.610 +02 25 41.46           ~ 1 0
11 [LWS2020] J100008.17+022644.80 rG 10 00 08.170 +02 26 44.80           ~ 1 0
12 COSMOS2015 709371 rG 10 00 08.3935 +02 22 31.682           ~ 2 0
13 [LWS2020] J100008.83+022022.93 rG 10 00 08.710 +02 20 22.87           ~ 1 0
14 [LWS2020] J100009.10+022021.87 rG 10 00 08.950 +02 20 21.74           ~ 1 0
15 [LWS2020] J100009.10+021605.33 rG 10 00 09.000 +02 16 05.25           ~ 1 0
16 [LWS2020] J100009.37+022436.40 rG 10 00 09.370 +02 24 36.40           ~ 1 0
17 [LWS2020] J100009.63+022229.20 rG 10 00 09.510 +02 22 29.28           ~ 1 0
18 [LWS2020] J100010.30+023106.40 rG 10 00 10.190 +02 31 06.37           ~ 1 0
19 [LWS2020] J100010.43+022645.73 rG 10 00 10.250 +02 26 45.70           ~ 1 0
20 [LWS2020] J100010.43+022021.73 rG 10 00 10.330 +02 20 21.82           ~ 1 0
21 [LWS2020] J100010.43+022229.60 rG 10 00 10.380 +02 22 29.63           ~ 1 0
22 [LWS2020] J100012.03+022958.27 rG 10 00 11.830 +02 29 58.36           ~ 1 0
23 COSMOS2015 720729 rG 10 00 12.950 +02 23 35.02           ~ 1 0
24 CANDELS COSMOS F160W J100013.17+022544.1 rG 10 00 13.179 +02 25 44.17           ~ 2 0
25 [LWS2020] J100013.63+022229.73 rG 10 00 13.580 +02 22 29.70           ~ 1 0
26 [LWS2020] J100014.30+022854.53 rG 10 00 14.090 +02 28 54.58           ~ 1 0
27 CANDELS COSMOS F160W J100014.17+022959.0 rG 10 00 14.18 +02 29 59.2 25.12 25.17 24.97 24.96 24.47 ~ 6 0
28 [LWS2020] J100014.43+023001.20 rG 10 00 14.220 +02 30 01.27           ~ 1 0
29 [LWS2020] J100015.63+021503.33 rG 10 00 15.630 +02 15 03.33           ~ 1 0
30 CANDELS COSMOS F160W J100016.44+022332.0 rG 10 00 16.446 +02 23 32.07           ~ 2 0
31 [LWS2020] J100016.70+022646.53 rG 10 00 16.580 +02 26 46.56           ~ 1 0
32 [LWS2020] J100017.37+023000.13 rG 10 00 17.320 +02 30 00.22           ~ 1 0
33 [LWS2020] J100017.37+022439.60 rG 10 00 17.490 +02 24 39.56           ~ 1 0
34 [LWS2020] J100018.03+023003.07 rG 10 00 17.940 +02 30 03.28           ~ 1 0
35 [LWS2020] J100018.30+021813.07 rG 10 00 18.250 +02 18 13.16           ~ 1 0
36 [LWS2020] J100018.83+022852.80 rG 10 00 18.760 +02 28 52.90           ~ 1 0
37 [LWS2020] J100019.63+022543.73 rG 10 00 19.630 +02 25 43.82           ~ 1 0
38 [LWS2020] J100019.90+023208.27 rG 10 00 19.739 +02 32 07.46           ~ 2 0
39 [LWS2020] J100020.43+021709.60 rG 10 00 20.250 +02 17 09.72           ~ 1 0
40 COSMOS2015 699347 rG 10 00 20.44 +02 21 26.5 27.01 26.194 25.45 24.30 23.03 ~ 14 0
41 [LWS2020] J100020.57+021711.47 rG 10 00 20.590 +02 17 11.44           ~ 1 0
42 ACS-GC 20149984 rG 10 00 22.15 +02 28 55.3 21.013 20.524 19.383 19.105 18.578 ~ 21 0
43 [LWS2020] J100022.30+022748.00 rG 10 00 22.230 +02 27 48.06           ~ 1 0
44 [LWS2020] J100022.57+023001.60 rG 10 00 22.389 +02 30 01.09           ~ 2 0
45 [LWS2020] J100022.70+022020.80 rG 10 00 22.710 +02 20 20.73           ~ 1 0
46 CANDELS COSMOS F160W J100022.80+022543.1 rG 10 00 22.81 +02 25 43.1     26.38 25.60 25.04 ~ 6 0
47 [LWS2020] J100022.83+022751.87 rG 10 00 22.830 +02 27 51.87           ~ 1 0
48 [LWS2020] J100022.83+022332.40 rG 10 00 22.880 +02 23 32.34           ~ 1 0
49 [LWS2020] J100023.37+022436.27 rG 10 00 23.410 +02 24 36.30           ~ 1 0
50 [LWS2020] J100023.63+021502.53 rG 10 00 23.500 +02 15 02.40           ~ 1 0
51 [LWS2020] J100023.63+022127.73 rG 10 00 23.660 +02 21 27.69           ~ 1 0
52 [LWS2020] J100023.90+021814.80 rG 10 00 23.680 +02 18 14.68           ~ 1 0
53 [LWS2020] J100023.77+021917.07 rG 10 00 23.680 +02 19 17.00           ~ 1 0
54 [LWS2020] J100023.77+023002.27 rG 10 00 23.790 +02 30 02.41           ~ 1 0
55 [LWS2020] J100023.90+022437.20 rG 10 00 23.870 +02 24 37.17           ~ 1 0
56 [LWS2020] J100024.03+021711.33 rG 10 00 24.030 +02 17 11.32           ~ 1 0
57 [LWS2020] J100024.43+022540.67 rG 10 00 24.240 +02 25 40.67           ~ 1 0
58 [LWS2020] J100024.43+022854.13 rG 10 00 24.430 +02 28 54.23           ~ 1 0
59 [LWS2020] J100024.70+021710.27 rG 10 00 24.690 +02 17 10.25           ~ 1 0
60 CANDELS COSMOS F160W J100024.79+022125.7 rG 10 00 24.800 +02 21 25.79           ~ 2 0
61 [LWS2020] J100025.23+022751.73 rG 10 00 25.190 +02 27 51.73           ~ 1 0
62 [LWS2020] J100025.23+022644.53 rG 10 00 25.230 +02 26 44.53           ~ 1 0
63 [LWS2020] J100025.23+021918.13 rG 10 00 25.280 +02 19 18.23           ~ 1 0
64 [LWS2020] J100025.37+021815.07 rG 10 00 25.310 +02 18 15.08           ~ 1 0
65 [LWS2020] J100025.50+022542.93 rG 10 00 25.500 +02 25 42.93           ~ 1 0
66 [LWS2020] J100025.50+021500.40 rG 10 00 25.540 +02 15 00.39           ~ 1 0
67 [LWS2020] J100025.77+022231.20 rG 10 00 25.870 +02 22 31.08           ~ 1 0
68 [LWS2020] J100026.70+023105.73 rG 10 00 26.700 +02 31 05.73           ~ 1 0
69 [LWS2020] J100026.83+022855.33 rG 10 00 26.820 +02 28 55.30           ~ 1 0
70 [LWS2020] J100026.83+022333.07 rG 10 00 26.950 +02 23 32.98           ~ 1 0
71 COSMOS2015 709682 rG 10 00 26.98 +02 22 30.9           ~ 16 0
72 [LWS2020] J100027.23+023106.67 rG 10 00 27.140 +02 31 06.73           ~ 1 0
73 COSMOS2015 672241 rG 10 00 27.620 +02 19 16.56           ~ 10 0
74 CANDELS COSMOS F160W J100028.13+021919.0 rG 10 00 28.139 +02 19 19.09           ~ 2 0
75 [LWS2020] J100028.57+022749.73 rG 10 00 28.560 +02 27 49.73           ~ 1 0
76 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
77 [LWS2020] J100028.70+023208.13 rG 10 00 28.720 +02 32 08.23           ~ 1 0
78 [LWS2020] J100029.23+022021.87 rG 10 00 29.240 +02 20 21.92           ~ 1 0
79 CANDELS COSMOS F160W J100029.78+022647.3 rG 10 00 29.77 +02 26 47.4 24.57 24.60 23.92 23.58 22.96 ~ 10 0
80 [LWS2020] J100030.43+022543.73 rG 10 00 30.330 +02 25 43.89           ~ 1 0
81 AzTEC J100031.06+022751.5 rG 10 00 31.02963 +02 27 51.6822           ~ 7 0
82 [LWS2020] J100031.23+023003.47 rG 10 00 31.290 +02 30 03.50           ~ 1 0
83 [LWS2020] J100031.37+021501.20 rG 10 00 31.300 +02 15 01.30           ~ 1 0
84 [LWS2020] J100031.63+022436.67 rG 10 00 31.650 +02 24 36.77           ~ 1 0
85 CANDELS COSMOS F160W J100031.88+021250.8 rG 10 00 31.88 +02 12 50.9   25.800 25.913     ~ 4 0
86 [LWS2020] J100032.17+023003.33 rG 10 00 32.050 +02 30 03.38           ~ 1 0
87 [LWS2020] J100032.43+022335.73 rG 10 00 32.440 +02 23 35.86           ~ 1 0
88 [LWS2020] J100032.43+022854.93 rG 10 00 32.440 +02 28 55.05           ~ 1 0
89 COSMOS2015 826164 rG 10 00 32.50 +02 33 13.5 24.97 25.00 24.66 24.73 24.13 ~ 4 0
90 [LWS2020] J100032.57+022228.93 rG 10 00 32.670 +02 22 28.93           ~ 1 0
91 [LWS2020] J100032.97+023003.07 rG 10 00 33.010 +02 30 03.27           ~ 1 0
92 CANDELS COSMOS F160W J100033.29+022752.4 rG 10 00 33.29 +02 27 52.6 26.69 26.11 25.33 24.80 24.20 ~ 6 0
93 [LWS2020] J100033.37+022544.00 rG 10 00 33.360 +02 26 44.11           ~ 1 0
94 [LWS2020] J100034.03+022542.13 rG 10 00 34.040 +02 25 42.18           ~ 1 0
95 [LWS2020] J100034.30+022125.47 rG 10 00 34.350 +02 21 25.42           ~ 1 0
96 [LWS2020] J100035.23+022021.07 rG 10 00 35.330 +02 20 20.93           ~ 1 0
97 [LWS2020] J100036.03+022854.00 rG 10 00 36.060 +02 28 54.04           ~ 1 0
98 [LWS2020] J100036.17+021606.80 rG 10 00 36.300 +02 16 06.74           ~ 1 0
99 [LWS2020] J100036.30+022020.27 rG 10 00 36.460 +02 20 20.31           ~ 1 0
100 [LWS2020] J100036.97+021918.67 rG 10 00 36.900 +02 19 18.72           ~ 1 0
101 [LWS2020] J100037.37+022541.33 rG 10 00 37.470 +02 25 41.36           ~ 1 0
102 [LWS2020] J100038.17+022852.40 rG 10 00 38.170 +02 28 52.40           ~ 1 0
103 [LWS2020] J100038.17+021711.33 rG 10 00 38.240 +02 17 11.24           ~ 1 0
104 [LWS2020] J100038.30+022853.87 rG 10 00 38.300 +02 28 53.83           ~ 1 0
105 CANDELS COSMOS F160W J100038.83+021918.9 rG 10 00 38.836 +02 19 18.93           ~ 2 0
106 [LWS2020] J100038.83+021604.27 rG 10 00 38.880 +02 16 04.08           ~ 1 0
107 [LWS2020] J100039.23+022229.47 rG 10 00 39.250 +02 22 29.39           ~ 1 0
108 [LWS2020] J100039.63+022748.13 rG 10 00 39.620 +02 27 48.21           ~ 1 0
109 [LWS2020] J100040.17+021711.73 rG 10 00 40.250 +02 17 11.71           ~ 1 0
110 CANDELS COSMOS F160W J100040.79+023210.0 rG 10 00 40.792 +02 32 10.10           ~ 2 0
111 [LWS2020] J100041.23+022541.73 rG 10 00 41.400 +02 25 41.74           ~ 1 0
112 CANDELS COSMOS F160W J100041.57+022751.5 rG 10 00 41.57 +02 27 51.7 25.75 25.68 24.88 24.73 24.21 ~ 14 0
113 [LWS2020] J100041.50+022956.13 rG 10 00 41.640 +02 29 56.16           ~ 1 0
114 [LWS2020] J100041.77+022543.20 rG 10 00 41.770 +02 25 43.20           ~ 1 0
115 [LWS2020] J100041.77+022124.67 rG 10 00 41.970 +02 21 24.65           ~ 1 0
116 CANDELS COSMOS F160W J100042.16+022436.5 rG 10 00 42.168 +02 24 36.51           ~ 2 0
117 [LWS2020] J100042.17+022126.13 rG 10 00 42.170 +02 21 26.09           ~ 1 0
118 [LWS2020] J100042.30+022333.73 rG 10 00 42.470 +02 23 33.63           ~ 1 0
119 [LWS2020] J100042.97+022127.33 rG 10 00 42.980 +02 21 27.40           ~ 1 0
120 [LWS2020] J100043.63+023000.13 rG 10 00 43.650 +02 30 00.20           ~ 1 0
121 CANDELS COSMOS F160W J100043.64+022855.0 rG 10 00 43.65 +02 28 55.1   26.92 26.51 26.12 25.39 ~ 8 0
122 [LWS2020] J100043.63+022020.53 rG 10 00 43.670 +02 20 20.52           ~ 1 0
123 CANDELS COSMOS F160W J100043.67+022439.7 rG 10 00 43.674 +02 24 39.80 23.698 23.43 22.81 22.29 21.688 ~ 11 0
124 [LWS2020] J100044.17+022332.80 rG 10 00 44.190 +02 23 32.73           ~ 1 0
125 CANDELS COSMOS F160W J100044.88+022231.1 rG 10 00 44.880 +02 22 31.10           ~ 2 0
126 [LWS2020] J100048.17+022750.53 rG 10 00 48.210 +02 27 50.55           ~ 1 0
127 [LWS2020] J100049.77+023001.87 rG 10 00 49.670 +02 30 01.89           ~ 1 0
128 [LWS2020] J100049.90+022232.00 rG 10 00 49.920 +02 22 31.93           ~ 1 0
129 [LWS2020] J100050.17+022439.33 rG 10 00 50.100 +02 24 39.45           ~ 1 0
130 [LWS2020] J100050.17+022125.20 rG 10 00 50.310 +02 21 25.26           ~ 1 0
131 [LWS2020] J100050.43+021814.80 rG 10 00 50.450 +02 18 14.80           ~ 1 0
132 [LWS2020] J100051.50+022957.33 rG 10 00 51.510 +02 29 57.25           ~ 1 0
133 [LWS2020] J100053.77+022543.87 rG 10 00 53.870 +02 25 43.92           ~ 1 0
134 [LWS2020] J100054.97+021919.20 rG 10 00 54.960 +02 19 19.15           ~ 1 0
135 [LWS2020] J100055.90+022749.60 rG 10 00 56.020 +02 27 49.55           ~ 1 0
136 ZFOURGE COSMOS 15082 rG 10 00 56.8249 +02 20 21.161           ~ 2 0
137 [LWS2020] J100059.10+021709.07 rG 10 00 59.260 +02 17 09.27           ~ 1 0
138 [LWS2020] J100109.10+022231.73 rG 10 01 09.250 +02 22 31.66           ~ 1 0
139 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
140 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
141 NAME South America rG 22 51 49.27872 -17 52 24.0600   16.97       ~ 348 3

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