2023ApJ...952...28C

Query : 2023ApJ...952...28C

2023ApJ...952...28C - Astrophys. J., 952, 28 (2023/July-3)

2 mm Observations and the Search for High-redshift Dusty Star-forming Galaxies.

COWIE L.L., BARGER A.J. and BAUER F.E.

Abstract (from CDS):

Finding high-redshift (z ≫ 4) dusty star-forming galaxies is extremely challenging. It has recently been suggested that millimeter selections may be the best approach since the negative K-correction makes galaxies at a given far-infrared luminosity brighter at z ≳ 4 than those at z = 2-3. Here we analyze this issue using a deep Atacama Large Millimeter/submillimeter Array (ALMA) 2 mm sample obtained by targeting ALMA 870 μm priors (these priors were the result of targeting SCUBA-2 850 μm sources) in the GOODS-S. We construct prior-based 2 mm galaxy number counts and compare them with published blank field-based 2 mm counts, finding good agreement down to 0.2 mJy. Only a fraction of the current 2 mm extragalactic background light is resolved, and we estimate what observational depths may be needed to resolve it fully. By complementing the 2 mm ALMA data with a deep SCUBA-2 450 μm sample, we exploit the steep gradient with a redshift of the 2 mm-450 μm flux density ratio to estimate redshifts for those galaxies without spectroscopic or robust optical/near-infrared photometric redshifts. Our observations measure galaxies with star formation rates in excess of 250 M⊙ yr–1. For these galaxies, the star formation rate densities fall by a factor of 9 from z = 2-3 to z = 5-6.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galaxies - Starburst galaxies - Millimeter astronomy - Submillimeter astronomy

Errata: erratum vol. 960, art. 92 (2024)

Simbad objects: 77

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Number of rows : 77
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 ZFOURGE CDFS 10366 G 03 32 03.500 -27 50 39.80           ~ 3 0
2 ALESS J033205.12-274652.1 rG 03 32 04.889 -27 46 47.70 26.11 25.041 25.34 26.10 23.974 ~ 51 0
3 [CGB2018] ALMA J033205-274820 rG 03 32 05.830 -27 48 20.50   27.091     26.534 ~ 13 0
4 [CGB2018] ALMA J033207-275120 rG 03 32 07.289 -27 51 20.80           ~ 6 0
5 ZFOURGE CDFS 13852 G 03 32 07.950 -27 49 00.40           ~ 4 0
6 CXOCDFS J033209.9-275016 rG 03 32 09.860 -27 50 15.70   30.071 28.16   28.428 ~ 39 0
7 EIS-DEEP CDFS-1 J 1 1313 rG 03 32 10.721 -27 48 06.95   24.910 23.441 23.04 22.164 ~ 40 0
8 ALESS J033211.34-275211.9 rG 03 32 11.33 -27 52 12.0           ~ 35 0
9 [CGB2018] ALMA J033211-274613 G 03 32 11.61 -27 46 13.1           ~ 3 0
10 ZFOURGE CDFS 19463 G 03 32 11.94 -27 46 15.4           ~ 5 0
11 EIS-DEEP CDFS-3 Ks 1 597 AGN 03 32 12.880 -27 52 09.40   25.96 25.55 25.44 24.606 ~ 17 0
12 EIS-DEEP CDFS-1 J 1 1257 G 03 32 13.64 -27 47 54.2   25.135   25.06 24.043 ~ 29 0
13 [CGB2018] ALMA J033215-275037 rG 03 32 15.338 -27 50 37.72           ~ 7 0
14 GOODS-MUSIC 70407 AG? 03 32 15.55 -27 51 45.4         29.079 ~ 10 0
15 GOODS-MUSIC 70081 G 03 32 16.27 -27 43 44.0           ~ 8 0
16 ZFOURGE CDFS 6153 G 03 32 16.52 -27 52 47.0           ~ 5 0
17 CANDELS GDS F160W J033216.85-275043.9 AGN 03 32 16.86 -27 50 44.2   25.37   27.30 25.164 ~ 32 0
18 EIS-DEEP CDFS-3 Ks 1 388 G 03 32 17.21 -27 50 37.2           ~ 26 0
19 GOODS J033217.29-274908.1 rG 03 32 17.280 -27 49 08.40   28.23     27.004 ~ 31 0
20 EIS-DEEP CDFS-3 J 1 819 rG 03 32 17.450 -27 50 03.40           ~ 38 1
21 JADES-GS NC 170384 G 03 32 17.96 -27 52 33.2           ~ 13 0
22 [CGB2018] ALMA J033217-274713 G 03 32 17.96 -27 47 13.6           ~ 2 0
23 EIS-DEEP CDFS-3 Ks 1 520 G 03 32 18.57 -27 51 34.6           ~ 14 0
24 [BII2011] VLA J033219.0632-275214.829 rG 03 32 19.052 -27 52 14.99 26.29 25.53 25.60 25.05 24.61 ~ 11 0
25 GMASS 2253 EmG 03 32 19.36 -27 43 15.1   27.06 25.95     ~ 9 0
26 GOODS-MUSIC 30049 rG 03 32 19.700 -27 46 02.20         27.418 ~ 23 0
27 ZFOURGE CDFS 7867 AG? 03 32 19.86 -27 51 59.7           ~ 7 0
28 GOODS J033220.77-274836.6 G 03 32 20.78 -27 48 36.8           ~ 10 0
29 [CGB2018] ALMA J033220-275024 G 03 32 20.923 -27 50 24.78           ~ 8 0
30 GNS 5306 G 03 32 21.49 -27 42 41.9   25.98 26.20     ~ 14 0
31 [SWM2014] GOODS-S 28253 AGN 03 32 21.78 -27 46 56.9   28.384     26.217 ~ 29 0
32 GOODS-MUSIC 30114 AG? 03 32 21.99 -27 51 12.2           ~ 7 0
33 ATCDFS J033221.92-274243.8 rG 03 32 22.01 -27 42 43.7   25.77   25.56 24.465 ~ 31 0
34 GOODS-MUSIC 70307 rG 03 32 22.159 -27 49 36.76   28.59 27.24   26.493 ~ 27 0
35 CXOCDFS J033222.2-274812 AGN 03 32 22.16 -27 48 11.6   27.9990 28.91   26.106 ~ 43 0
36 GOODS J033222.27-274804.4 AG? 03 32 22.281 -27 48 04.83           ~ 14 0
37 EIS-DEEP CDFS-3 J 1 639 rG 03 32 22.47 -27 49 35.2   22.784   21.316 21.818 ~ 32 0
38 CANDELS UDS F160W J033222.57-274814.9 AGN 03 32 22.57 -27 48 15.1   27.3416     25.694 ~ 33 0
39 [CGB2018] ALMA J033224-275334 rG 03 32 24.670 -27 53 34.37           ~ 8 0
40 [PBM2009] s124624 Sy1 03 32 25.21 -27 42 18.8   24.7725 23.75 23.21 22.6063 ~ 92 0
41 [LBX2017] 453 AGN 03 32 25.25 -27 52 30.7   27.15 27.00 27.01 26.581 ~ 44 0
42 CANDELS UDS F160W J033225.68-274305.6 Sy2 03 32 25.74 -27 43 05.6   26.617 25.773 26.13 25.3679 ~ 76 0
43 JADES-GS NC 279678 G 03 32 26.110 -27 52 08.50           ~ 9 0
44 GOODS-MUSIC 30175 G 03 32 27.15 -27 53 11.8           ~ 10 0
45 GOODS J033228.10-275229.2 G 03 32 28.10 -27 52 29.7           ~ 5 0
46 CANDELS UDS F160W J033228.51-274658.1 rG 03 32 28.513 -27 46 58.48   26.2       ~ 40 0
47 GOODS-MUSIC 70099 rG 03 32 28.78 -27 44 35.2           ~ 20 0
48 GNS 4754 QSO 03 32 28.82 -27 48 29.7       26.02   ~ 16 0
49 [CGB2018] ALMA J033228-274431 G 03 32 28.91 -27 44 31.4           ~ 8 0
50 GOODS-MUSIC 70467 G 03 32 29.83 -27 52 57.7           ~ 8 0
51 GOODS J033229.89-275335.6 G 03 32 29.90 -27 53 35.8           ~ 6 0
52 ACS-GC 90045460 Sy2 03 32 31.462 -27 46 23.07 25.05 23.96 23.64 23.28 23.001 ~ 118 0
53 ATCDFS9 J033231.55-275029.1 rG 03 32 31.546 -27 50 29.00   25.617 25.601 25.02 23.970 ~ 43 0
54 SEDS J033231.85-274313.0 G 03 32 31.86 -27 43 13.0           ~ 7 0
55 [CGB2018] ALMA J033232-274540 G 03 32 32.91 -27 45 40.9           ~ 7 0
56 GOODS J033233.42-275326.3 AGN 03 32 33.42 -27 53 26.6           ~ 12 0
57 GOODS J033233.88-275222.0 G 03 32 33.90 -27 52 22.2           ~ 5 0
58 MUSE-WIDE 123005089 rG 03 32 34.27 -27 49 40.3   26.786   26.01 25.086 ~ 21 0
59 VANDELS CDFS 004047 G 03 32 34.28 -27 52 26.7           ~ 5 0
60 GOODS-MUSIC 70484 G 03 32 35.13 -27 53 19.7           ~ 7 0
61 CXOU J033235.1-275215 AGN 03 32 35.19 -27 52 15.7   30.517 28.52   31.665 ~ 30 0
62 NAME BzK 4892 Sy2 03 32 35.73 -27 49 16.2   25.681 27.798 25.00 24.645 ~ 89 0
63 [SWM2014] GOODS-S 16960 rG 03 32 37.734 -27 50 00.71   24.914   23.95 23.640 ~ 28 0
64 CXOCDFS J033238.1-274401 rG 03 32 38.000 -27 44 01.00   28.60 27.92   27.023 ~ 42 0
65 ASPECS LP.3mm.01 rG 03 32 38.541 -27 46 34.03 26.9734 25.3657 24.647 24.68 24.6471 ~ 72 0
66 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
67 [CGB2018] ALMA J033239-275326 rG 03 32 39.24 -27 53 26.0           ~ 6 0
68 ZFOURGE CDFS 8749 G 03 32 41.47 -27 51 31.8           ~ 3 0
69 GOODS J033242.79-275212.7 G 03 32 42.80 -27 52 12.7           ~ 6 0
70 ASPECS LP.3mm.07 G 03 32 43.526 -27 46 39.07   28.0435 27.14     ~ 38 0
71 GOODS J033243.67-274850.9 rG 03 32 43.683 -27 48 50.88   29.8152 28.940     ~ 26 0
72 ASPECS LP.3mm.09 rG 03 32 44.026 -27 46 35.70   29.7791 27.82     ~ 36 0
73 ZFOURGE CDFS 11353 G 03 32 44.07 -27 50 11.4           ~ 8 0
74 ATCDFS J033246.7-275120A rG 03 32 46.83 -27 51 20.8 24.82 24.4861 24.07 24.202 23.595 ~ 45 0
75 GOODS J033247.59-274452.3 rG 03 32 47.59 -27 44 52.3   24.6279   25.84 26.0818 ~ 41 0
76 ACS-GC 90040140 AGN 03 32 47.73 -27 50 38.2   25.7528 25.87 26.18 24.112 ~ 38 0
77 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4

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