2023A&A...678A..28B

Query : 2023A&A...678A..28B

2023A&A...678A..28B - Astronomy and Astrophysics, volume 678A28 (2023/10-1)

z-GAL: A NOEMA spectroscopic redshift survey of bright Herschel galaxies III. Physical properties.

BERTA S., STANLEY F., ISMAIL D., COX P., NERI R., YANG C., YOUNG A.J., JIN S., DANNERBAUER H., BAKX T.J.L.C., BEELEN A., WEISS A., NANNI A., OMONT A., VAN DER WERF P., KRIPS M., BAKER A.J., BENDO G., BORSATO E., BUAT V., BUTLER K.M., CHARTAB N., COORAY A., DYE S., EALES S., GAVAZZI R., HUGHES D., IVISON R.J., JONES B.M., LEHNERT M., MARCHETTI L., MESSIAS H., NEGRELLO M., PEREZ-FOURNON I., RIECHERS D.A., SERJEANT S., URQUHART S. and VLAHAKIS C.

Abstract (from CDS):

The z-GAL survey observed 137 bright Herschel-selected targets with the IRAM Northern Extended Millimeter Array, with the aim to measure their redshift and study their properties. Several of them have been resolved into multiple sources. Consequently, robust spectroscopic redshifts have been measured for 165 individual galaxies in the range 0.8 < z < 6.5. In this paper we analyse the millimetre spectra of the z-GAL sources, using both their continuum and line emission to derive their physical properties. At least two spectral lines are detected for each source, including transitions of 12CO, [CI], and H2O. The observed 12CO line ratios and spectral line energy distributions of individual sources resemble those of local starbursts. In seven sources the para-H2O (211-202) transition is detected and follows the IR versus H2O luminosity relation of sub-millimetre galaxies. The molecular gas mass of the z-GAL sources is derived from their 12CO, [CI], and sub-millimetre dust continuum emission. The three tracers lead to consistent results, with the dust continuum showing the largest scatter when compared to 12CO. The gas-to-dust mass ratio of these sources was computed by combining the information derived from 12CO and the dust continuum and has a median value of 107, similar to star-forming galaxies of near-solar metallicity. The same combined analysis leads to depletion timescales in the range between 0.1 and 1.0 Gyr, which place the z-GAL sources between the 'main sequence' of star formation and the locus of starbursts. Finally, we derived a first estimate of stellar masses - modulo possible gravitational magnification - by inverting known gas scaling relations: the z-GAL sample is confirmed to be mostly composed by starbursts, whereas ∼25% of its members lie on the main sequence of star-forming galaxies (within ±0.5 dex).

Abstract Copyright: © The Authors 2023

Journal keyword(s): submillimeter: galaxies - galaxies: high-redshift - galaxies: starburst - galaxies: star formation - galaxies: statistics - galaxies: ISM

VizieR on-line data: <Available at CDS (J/A+A/678/A28): tableb1.dat tableb2.dat>

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 [NKC2016] HELMS3 LeG 00 02 15.9 -01 28 29           ~ 5 0
2 [NKC2016] HELMS32 LeG 00 03 36.9 +01 40 13           ~ 4 0
3 [NKC2016] HELMS30 LeG 00 10 27.1 -02 46 24           ~ 4 0
4 [NKC2016] HELMS45 LeG 00 12 26.9 +02 08 10           ~ 5 0
5 [NKC2016] HELMS56 LeG 00 13 25.7 +04 25 09           ~ 4 0
6 [NKC2016] HELMS31 LeG 00 13 53.5 -06 02 00           ~ 5 0
7 [NKC2016] HELMS21 LeG 00 18 00.1 -06 02 35           ~ 4 0
8 [NKC2016] HELMS38 LeG 00 22 08.1 +03 40 44           ~ 4 0
9 [ACS2016] HELMS RED 9 LeG 00 27 18.1 +02 39 43           ~ 5 0
10 [NKC2016] HELMS34 LeG 00 27 19.5 +00 12 04           ~ 4 0
11 [ACS2016] HELMS RED 13 LeG 00 29 36.3 +02 07 10           ~ 5 0
12 [NKC2016] HELMS28 LeG 00 30 09.2 -02 06 25           ~ 5 0
13 [NKC2016] HELMS57 LeG 00 35 19.7 +07 28 06           ~ 5 0
14 [NKC2016] HELMS14 LeG 00 36 19.8 +00 24 20           ~ 5 0
15 [NKC2016] HELMS27 LeG 00 37 58.0 -01 06 22           ~ 5 0
16 [ACS2016] HELMS RED 7 LeG 00 38 14.1 -00 22 52           ~ 7 0
17 [ACS2016] HELMS RED 3 LeG 00 39 29.6 +00 24 26           ~ 7 0
18 [NKC2016] HELMS25 LeG 00 41 24.0 -01 03 07           ~ 4 0
19 [NKC2016] HELMS46 LeG 00 46 22.3 +07 35 09           ~ 4 0
20 [ACS2016] HELMS RED 11 LeG 00 47 47.1 +06 14 44           ~ 5 0
21 [NKC2016] HELMS23 LeG 00 58 41.2 -01 11 49           ~ 4 0
22 [NKC2016] HERS11 LeG 00 58 47.3 -01 00 17           ~ 5 0
23 [NKC2016] HERS7 LeG 01 01 33.8 +00 31 57           ~ 5 0
24 [NKC2016] HERS20 LeG 01 02 46.1 +01 05 43           ~ 5 0
25 [NKC2016] HELMS37 LeG 01 08 01.8 +05 32 01           ~ 4 0
26 [NKC2016] HERS9 LeG 01 09 11.7 -01 17 33           ~ 5 0
27 [NKC2016] HERS8 LeG 01 09 38.9 -01 48 30           ~ 4 0
28 [NKC2016] HERS10 LeG 01 17 22.3 +00 56 24           ~ 5 0
29 [NKC2016] HERS2 LeG 01 20 41.6 -00 27 05           ~ 5 0
30 [NKC2016] HERS15 LeG 01 21 06.9 +00 34 57           ~ 4 0
31 [NKC2016] HERS13 LeG 01 25 21.0 +01 17 24           ~ 5 0
32 [NKC2016] HERS12 LeG 01 25 46.3 -00 11 43           ~ 4 0
33 [NKC2016] HERS5 LeG 01 26 20.5 +01 29 50           ~ 4 0
34 [NKC2016] HERS3 LeG 01 27 54.1 +00 49 40           ~ 6 0
35 [NKC2016] HERS18 LeG 01 32 12.2 +00 17 54           ~ 6 0
36 [NKC2016] HERS14 LeG 01 40 57.3 -01 05 47           ~ 5 0
37 [NKC2016] HERS19 LeG 02 05 29.1 +00 05 01           ~ 5 0
38 [NKC2016] HERS17 LeG 02 14 02.6 -00 46 12           ~ 4 0
39 [NKC2016] HERS16 LeG 02 14 34.4 +00 59 26           ~ 4 0
40 NAME G09v1.97 LeG 08 30 51.0 +01 32 24           ~ 30 0
41 H-ATLAS J083705.2+020033 G 08 37 05.3 +02 00 33           ~ 6 0
42 HerBS 108 LeG 08 38 17.4 -00 41 34           ~ 7 0
43 H-ATLAS J083859.3+021325 G 08 38 59.3 +02 13 26           ~ 5 0
44 HerBS 105 LeG 08 39 32.2 -01 17 58           ~ 8 0
45 H-ATLAS J083945.0+021021 G 08 39 45.1 +02 10 22           ~ 5 0
46 HerBS 188 G 08 42 59.9 +02 49 58           ~ 7 0
47 H-ATLAS J084957.7+010713 G 08 49 57.7 +01 07 13           ~ 6 0
48 H-ATLAS J085308.5-005728 G 08 53 08.6 -00 57 28           ~ 5 0
49 H-ATLAS J085352.0-000804 G 08 53 52.1 -00 08 05           ~ 6 0
50 HerBS 194 LeG 08 55 21.18 -00 36 03.8           ~ 8 0
51 H-ATLAS J090405.3-003331 G 09 04 05.3 -00 33 31           ~ 6 0
52 HerBS 183 LeG 09 04 53.2 +02 20 18           ~ 8 0
53 H-ATLAS J090613.7-010044 G 09 06 13.7 -01 00 44           ~ 7 0
54 HerBS 91 LeG 09 21 35.6 +00 01 31           ~ 9 0
55 HerBS 185 LeG 09 24 08.8 -00 50 18           ~ 7 0
56 HerBS 85 G 11 47 52.7 -00 58 32           ~ 6 0
57 HerBS 53 LeG 11 51 12.3 -01 26 38           ~ 10 0
58 MCG-06-26-013 EmG 11 53 11.722 -39 07 48.72   13.30   11.86   ~ 203 1
59 HerBS 177 LeG 11 54 33.65280 +00 50 42.3020           ~ 10 0
60 H-ATLAS J115521.0-021329 G 11 55 21.0 -02 13 30           ~ 7 0
61 HerBS 61 G 12 01 27.6 -01 40 43           ~ 10 0
62 HerBS 50 G 12 03 19.1 -01 12 53           ~ 9 0
63 H-ATLAS J120600.7+003459 G 12 06 00.7 +00 35 00           ~ 5 0
64 HerBS 51 G 12 07 09.2 -01 47 02           ~ 7 0
65 H-ATLAS J121144.8+010638 G 12 11 44.9 +01 06 38           ~ 5 0
66 HerBS 48 LeG 12 13 01.5 -00 49 22           ~ 10 0
67 HerBS 116 LeG 12 13 48.1 +01 08 12           ~ 7 0
68 H-ATLAS J121416.3-013704 G 12 14 16.4 -01 37 04           ~ 5 0
69 HerBS 62 G 12 15 42.7 -00 52 20           ~ 7 0
70 HerBS 83 G 12 18 12.81793 +01 18 41.6700           ~ 7 0
71 H-ATLAS J121900.8+003326 G 12 19 00.9 +00 33 27           ~ 5 0
72 H-ATLAS J122034.2-003805 G 12 20 34.3 -00 38 06           ~ 5 0
73 H-ATLAS J122158.5+003326 G 12 21 58.6 +00 33 26           ~ 5 0
74 HerBS 150 G 12 24 59.17727 -00 56 47.3930           ~ 8 0
75 H-ATLAS J124753.3+322448 G 12 47 53.3 +32 24 48           ~ 5 0
76 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
77 H-ATLAS J130053.8+260303 G 13 00 53.8 +26 03 03           ~ 4 0
78 HerBS 70 LeG 13 01 40.2 +29 29 18           ~ 11 0
79 HerBS 58 G 13 03 33.17 +24 46 42.3           ~ 10 0
80 H-ATLAS J130341.5+313754 G 13 03 41.5 +31 37 53           ~ 5 0
81 HerBS 128 LeG 13 04 14.6 +30 35 38           ~ 5 0
82 H-ATLAS J130432.2+295338 G 13 04 32.2 +29 53 38           ~ 4 0
83 H-ATLAS J131211.5+323837 G 13 12 11.35 +32 38 37.8           ~ 6 0
84 HerBS 176 LeG 13 12 22.2 +27 02 19           ~ 5 0
85 H-ATLAS J131434.1+335219 G 13 14 34.08 +33 52 20.1           ~ 6 0
86 H-ATLAS J131539.2+292219 G 13 15 39.2 +29 22 19           ~ 4 0
87 HerBS 54 G 13 15 40.72 +26 23 19.6           ~ 9 0
88 HerBS 89 G 13 16 11.5 +28 12 19           ~ 11 0
89 HerBS 127 LeG 13 21 28.57 +28 20 20.0           ~ 6 0
90 H-ATLAS J132258.2+325050 G 13 22 58.11 +32 50 51.7           ~ 6 0
91 HerBS 43 G 13 24 19.0 +32 07 52           ~ 9 0
92 HerBS 109 G 13 29 00.45 +28 19 14.3           ~ 6 0
93 HerBS 204 LeG 13 29 09.5 +30 09 57           ~ 7 0
94 HerBS 44 LeG 13 32 55.85 +34 22 08.4           ~ 10 0
95 H-ATLAS J133352.2+334913 G 13 33 52.2 +33 49 13           ~ 4 0
96 HerBS 34 G 13 34 13.87 +26 04 57.5           ~ 8 0
97 HerBS 134 G 13 34 40.43 +35 31 41.0           ~ 5 0
98 HerBS 76 G 13 35 34.08 +34 18 34.8           ~ 5 0
99 HerBS 115 G 13 35 38.27 +26 57 42.2           ~ 5 0
100 H-ATLAS J133808.9+255153 G 13 38 08.9 +25 51 53           ~ 4 0
101 HerBS 149 LeG 13 38 27.6 +31 39 55           ~ 5 0
102 H-ATLAS J134342.5+263919 G 13 43 42.5 +26 39 19           ~ 7 0
103 H-ATLAS J134422.6+231951 G 13 44 22.6 +23 19 51           ~ 5 0
104 H-ATLAS J140421.7-001217 G 14 04 21.8 -00 12 17           ~ 5 0
105 H-ATLAS J141117.8-010655 G 14 11 17.9 -01 06 56           ~ 6 0
106 H-ATLAS J141810.0-003747 G 14 18 10.1 -00 37 47           ~ 5 0
107 HerBS 110 LeG 14 18 33.00 +01 02 12.7           ~ 7 0
108 H-ATLAS J142140.3+000447 G 14 21 40.4 +00 04 48           ~ 6 0
109 HerBS 202 G 14 33 28.4 +02 08 11           ~ 5 0
110 H-ATLAS J143352.4+020417 G 14 33 52.4 +02 04 17           ~ 6 0
111 HerBS 147 LeG 14 34 03.6 +00 02 34           ~ 6 0
112 HerBS 153 LeG 14 42 43.41 +01 55 04.4           ~ 7 0
113 HerBS 162 G 14 43 34.31 -00 30 34.3           ~ 7 0
114 H-ATLAS J144512.1-001510 G 14 45 12.1 -00 15 11           ~ 6 0
115 NAME G15v2.481 G 14 45 56.297 -00 48 51.70           ~ 9 0
116 H-ATLAS J144608.6+021927 G 14 46 08.6 +02 19 27           ~ 6 0
117 H-ATLAS J145040.5+003333 G 14 50 40.5 +00 33 34           ~ 5 0
118 H-ATLAS J145132.7+024101 G 14 51 32.8 +02 41 01           ~ 5 0
119 H-ATLAS J145135.2-011418 G 14 51 35.3 -01 14 18           ~ 6 0
120 SDSS J145337.15+000410.2 QSO 14 53 37.1575622136 +00 04 10.277689404           ~ 19 0
121 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
122 [NKC2016] HELMS44 LeG 23 14 47.5 -04 56 58           ~ 4 0
123 [NKC2016] HELMS16 LeG 23 18 57.2 -05 30 35           ~ 4 0
124 [NKC2016] HELMS19 LeG 23 22 10.3 -03 35 59           ~ 5 0
125 [NKC2016] HELMS35 LeG 23 25 00.1 -00 56 43           ~ 4 0
126 [NKC2016] HELMS17 LeG 23 25 58.3 -04 45 25           ~ 5 0
127 [NKC2016] HELMS51 LeG 23 26 17.5 -02 53 19           ~ 5 0
128 [NKC2016] HELMS55 LeG 23 28 31.8 -00 40 35           ~ 5 0
129 [NKC2016] HELMS48 LeG 23 28 33.6 -03 14 16           ~ 5 0
130 [NKC2016] HELMS43 LeG 23 34 20.4 -00 34 58           ~ 5 0
131 [NKC2016] HELMS1 LeG 23 34 41.0 -06 52 20           ~ 6 0
132 [NKC2016] HELMS41 LeG 23 36 33.5 -03 21 19           ~ 6 0
133 [NKC2016] HELMS49 LeG 23 37 21.9 -06 47 40           ~ 5 0
134 [NKC2016] HELMS52 LeG 23 37 27.1 -00 23 43           ~ 5 0
135 [NKC2016] HELMS20 LeG 23 37 28.8 -04 51 06           ~ 4 0
136 [NKC2016] HELMS42 LeG 23 40 14.6 -07 07 38           ~ 5 0
137 [NKC2016] HELMS36 LeG 23 43 14.0 +01 21 52           ~ 5 0
138 [NKC2016] HELMS47 LeG 23 49 51.6 -03 00 19           ~ 4 0
139 [NKC2016] HELMS50 LeG 23 51 01.7 -02 44 26           ~ 4 0
140 [NKC2016] HELMS40 LeG 23 53 32.0 +03 17 18           ~ 5 0
141 [NKC2016] HELMS12 LeG 23 56 01.5 -07 11 42           ~ 4 0

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