2022ApJ...931..160B

Query : 2022ApJ...931..160B

2022ApJ...931..160B - Astrophys. J., 931, 160-160 (2022/June-1)

Reionization Era Bright Emission Line Survey: Selection and Characterization of Luminous Interstellar Medium Reservoirs in the z > 6.5 Universe.

BOUWENS R.J., SMIT R., SCHOUWS S., STEFANON M., BOWLER R., ENDSLEY R., GONZALEZ V., INAMI H., STARK D., OESCH P., HODGE J., ARAVENA M., DA CUNHA E., DAYAL P., DE LOOZE I., FERRARA A., FUDAMOTO Y., GRAZIANI L., LI C., NANAYAKKARA T., PALLOTTINI A., SCHNEIDER R., SOMMOVIGO L., TOPPING M., VAN DER WERF P., ALGERA H., BARRUFET L., HYGATE A., LABBE I., RIECHERS D. and WITSTOK J.

Abstract (from CDS):

The Reionization Era Bright Emission Line Survey (REBELS) is a cycle-7 ALMA Large Program (LP) that is identifying and performing a first characterization of many of the most luminous star-forming galaxies known in the z > 6.5 universe. REBELS is providing this probe by systematically scanning 40 of the brightest UV-selected galaxies identified over a 7 deg2 area for bright [C II]_158 µm_ and [O III]_88 µm_ lines and dust-continuum emission. Selection of the 40 REBELS targets was done by combining our own and other photometric selections, each of which is subject to extensive vetting using three completely independent sets of photometry and template-fitting codes. Building on the observational strategy deployed in two pilot programs, we are increasing the number of massive interstellar medium (ISM) reservoirs known at z > 6.5 by ∼4-5x to >30. In this manuscript, we motivate the observational strategy deployed in the REBELS program and present initial results. Based on the first-year observations, 18 highly significant >= 7σ [C II]_158 µm_ lines have already been discovered, the bulk of which (13/18) also show >=3.3σ dust-continuum emission. These newly discovered lines more than triple the number of bright ISM-cooling lines known in the z > 6.5 universe, such that the number of ALMA-derived redshifts at z > 6.5 rival Lyα discoveries. An analysis of the completeness of our search results versus star formation rate (SFR) suggests an ∼79% efficiency in scanning for [C II]_158 µm_ when the SFRUV+IR is >28 M☉ yr–1. These new LP results further demonstrate ALMA's efficiency as a "redshift machine," particularly in the Epoch of Reionization.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): High-redshift galaxies - Dust continuum emission - Far infrared astronomy - Far infrared interferometry

Nomenclature: Table 1: REBELS-NN (Nos 01-40).

Simbad objects: 50

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Number of rows : 50
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 [ARK2015] 4886 LeG 00 14 24.927 -30 22 56.15           ~ 85 0
2 BoRG 0116+1425 747 G 01 16 08.930 +14 24 24.50           ~ 5 0
3 REBELS-01 G 02 16 25.092 -04 57 38.50           ~ 6 0
4 REBELS-02 G 02 16 32.43 -05 30 05.6           ~ 5 0
5 CANDELS UDS F160W J021715.24-050745.6 G 02 17 15.2462 -05 07 45.657           ~ 11 0
6 REBELS-04 G 02 17 42.470 -04 58 57.80           ~ 6 0
7 REBELS-05 G 02 18 11.50 -05 00 59.4           ~ 16 0
8 REBELS-06 G 02 18 47.47 -05 10 20.3           ~ 6 0
9 REBELS-07 G 02 18 56.536 -05 19 58.92           ~ 44 0
10 REBELS-08 G 02 19 35.140 -05 23 19.31           ~ 13 0
11 REBELS-09 G 02 21 54.150 -04 24 12.29           ~ 5 0
12 REBELS-10 G 02 22 32.59 -04 56 51.2           ~ 5 0
13 REBELS-11 G 02 24 39.35 -04 48 30.0           ~ 4 0
14 REBELS-12 G 02 25 07.94 -05 06 40.7           ~ 21 0
15 REBELS-13 G 02 26 16.50 -04 07 04.0           ~ 6 0
16 REBELS-14 G 02 26 46.190 -04 59 53.57           ~ 17 0
17 REBELS-15 G 02 27 13.120 -04 17 59.25           ~ 10 0
18 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
19 REBELS-16 G 04 29 37.20 -02 53 49.1           ~ 5 0
20 BoRG 0853+0310 145 G 08 52 44.520 +03 08 48.10           ~ 6 0
21 COSMOS2015 516548 G 09 57 37.000 +02 05 11.32           ~ 8 0
22 COSMOS2015 689079 G 09 57 47.90 +02 20 43.7           ~ 21 0
23 REBELS-19 G 09 57 54.690 +02 27 54.90           ~ 13 0
24 COSMOS2015 541149 G 09 59 15.89 +02 07 32.0           ~ 6 0
25 COSMOS2015 969849 G 09 59 19.360 +02 46 41.40           ~ 10 0
26 COSMOS2015 651241 G 09 59 20.35 +02 17 22.7           ~ 4 0
27 HSCS J100004+015835 G 10 00 04.360 +01 58 35.53           ~ 11 0
28 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
29 REBELS-24 G 10 00 31.89 +01 57 50.2           ~ 9 0
30 REBELS-25 G 10 00 32.322 +01 44 31.26           ~ 39 0
31 COSMOS2015 481451 G 10 00 42.130 +02 01 56.87           ~ 12 0
32 COSMOS2015 338645 EmG 10 00 58.01148 +01 48 15.3000           ~ 101 0
33 REBELS-27 G 10 00 58.485 +01 49 55.96           ~ 18 0
34 COSMOS2015 888219 G 10 01 04.60 +02 38 56.7           ~ 6 0
35 COSMOS2015 876803 G 10 01 36.86 +02 37 49.3           ~ 25 0
36 COSMOS2015 408255 G 10 01 40.70 +01 54 52.5           ~ 71 0
37 COSMOS2015 743699 G 10 01 52.31 +02 25 42.3           ~ 17 0
38 COSMOS2015 824866 G 10 01 58.50 +02 33 08.5           ~ 12 0
39 REBELS-32 G 10 01 59.060 +01 53 27.75           ~ 15 0
40 COSMOS2015 607297 G 10 02 03.82 +02 13 25.1           ~ 7 0
41 COSMOS2015 607293 G 10 02 06.49 +02 13 24.1           ~ 16 0
42 COSMOS2015 839149 G 10 02 06.70 +02 34 21.4           ~ 5 0
43 COSMOS2020 Classic 1151531 G 10 02 12.558 +02 30 45.71           ~ 15 0
44 REBELS-37 G 10 02 31.810 +02 31 17.10           ~ 8 0
45 COSMOS2015 923550 G 10 02 54.040 +02 42 11.94           ~ 18 0
46 HSCS J100305+021842 G 10 03 05.250 +02 18 42.75           ~ 21 0
47 ALMA J131129.9-011918 G 13 11 29.93 -01 19 18.7           ~ 91 0
48 [MSD2017] VR7 EmG 22 18 56.360 +00 08 07.32           ~ 19 0
49 BoRG 2229-0945 394 G 22 28 45.661 -09 44 56.88           ~ 3 0
50 REBELS-40 G 23 50 34.660 -43 32 32.50           ~ 12 0

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