2017A&A...599A..28K


Query : 2017A&A...599A..28K

2017A&A...599A..28K - Astronomy and Astrophysics, volume 599A, 28-28 (2017/3-1)

MUSE integral-field spectroscopy towards the Frontier Fields cluster Abell S1063. II. Properties of low luminosity Lyman α emitters at z> 3.

KARMAN W., CAPUTI K.I., CAMINHA G.B., GRONKE M., GRILLO C., BALESTRA I., ROSATI P., VANZELLA E., COE D., DIJKSTRA M., KOEKEMOER A.M., McLEOD D., MERCURIO A. and NONINO M.

Abstract (from CDS):

In spite of their conjectured importance for the Epoch of Reionization, the properties of low-mass galaxies are currently still very much under debate.In this article, we study the stellar and gaseous properties of faint, low-mass galaxies at z>3. We observed the Frontier Fields cluster Abell S1063 with MUSE over a 2-arcmin2 field, and combined integral-field spectroscopy with gravitational lensing to perform a blind search for intrinsically faint Lyα emitters (LAEs). We determined in total the redshift of 172 galaxies of which 14 are lensed LAEs at z=3-6.1. We increased the number of spectroscopically-confirmed multiple-image families from 6 to 17 and updated our gravitational-lensing model accordingly. The lensing-corrected Lyα luminosities are with LLyα≤1041.5erg/s among the lowest for spectroscopically confirmed LAEs at any redshift. We used expanding gaseous shell models to fit the Lyα line profile, and find low column densities and expansion velocities. This is, to our knowledge, the first time that gaseous properties of such faint galaxies at z≥3 are reported. We performed SED modelling to broadband photometry from the U band through the infrared to determine the stellar properties of these LAEs. The stellar masses are very low (106–8M ), and are accompanied by very young ages of 1-100Myr. The very high specific star-formation rates (∼100Gyr–1) are characteristic of starburst galaxies, and we find that most galaxies will double their stellar mass in ≤20Myr. The UV-continuum slopes β are low in our sample, with β< -2 for all galaxies with M*<108M. We conclude that our low-mass galaxies at 3<z<6 are forming stars at higher rates when correcting for stellar mass effects than seen locally or in more massive galaxies. The young stellar populations with high star-formation rates and low HI column densities lead to continuum slopes and LyC-escape fractions expected for a scenario where low mass galaxies reionise the Universe.

Abstract Copyright: © ESO, 2017

Journal keyword(s): galaxies: high-redshift - galaxies: distances and redshifts - galaxies: clusters: individual: Abell S1063 - gravitational lensing: strong - galaxies: evolution - techniques: imaging spectroscopy - techniques: imaging spectroscopy

Nomenclature: Table A.1: [KCC2017] NE-NNNa N=120 among (Nos NE-1 to NE102b), [KCG2015] NNa N=12 among (Nos 68, 68a-68b, 69a-69b, 70, 70a-70b, 71-73, 77). Table B.1: [MSG2014] NNNa N=16 among (Nos 87a-87b to 100a-100b) added. CLASHVLT JHHMMSS.ss+DDMMSS.s N=280.

Status at CDS : Examining the need for a new acronym. // All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 197

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Number of rows : 197
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 [KCG2015] 33 G 22 48 38.505 -44 32 20.27           ~ 2 0
2 [KCG2015] 48 G 22 48 38.723 -44 32 18.05           ~ 2 0
3 [KCG2015] 50 G 22 48 38.939 -44 32 17.85           ~ 2 0
4 [KCG2015] 32 G 22 48 39.036 -44 32 17.12           ~ 2 0
5 [KCG2015] 11 G 22 48 39.977 -44 32 05.38           ~ 2 0
6 [KCG2015] 37 G 22 48 39.980 -44 32 24.75           ~ 2 0
7 [KCG2015] 1 G 22 48 40.098 -44 32 04.90           ~ 3 0
8 [KCG2015] 24 G 22 48 40.382 -44 32 11.69           ~ 2 0
9 [KCG2015] 73 G 22 48 40.50 -44 32 02.4           ~ 1 0
10 [KCG2015] 55 G 22 48 40.581 -44 32 25.44           ~ 2 0
11 [KCG2015] 23 GiC 22 48 40.754 -44 32 07.91           ~ 3 0
12 [KCG2015] 5 G 22 48 41.003 -44 32 09.13           ~ 2 0
13 [KCG2015] 7 G 22 48 41.179 -44 32 22.14           ~ 2 0
14 [KCG2015] 36 G 22 48 41.195 -44 31 44.24           ~ 2 0
15 [KCG2015] 21 GiC 22 48 41.214 -44 32 25.91           ~ 3 0
16 [RJL2014] AS1063 14.3 LeG 22 48 41.260 -44 31 48.90         24.05 ~ 5 0
17 [KCG2015] 56 G 22 48 41.320 -44 32 35.30           ~ 2 0
18 [BVR2013] J224841.38-443228.4 LeI 22 48 41.407 -44 32 28.61           ~ 3 0
19 [KCG2015] 58 * 22 48 41.465 -44 32 43.63           ~ 2 0
20 [BVR2013] J224844.56-443223.9 LeG 22 48 41.554 -44 32 23.99         25.54 ~ 13 0
21 [KCG2015] 34 G 22 48 41.678 -44 31 58.00           ~ 2 0
22 [GVR2012] 878 LeG 22 48 41.747 -44 31 56.72   22.33     20.58 ~ 9 0
23 [KCG2015] 51 G 22 48 41.764 -44 32 28.47           ~ 2 0
24 [GDS2018] AS1063-1321 LeG 22 48 41.808 -44 31 42.13         22.51 ~ 10 0
25 [MSG2014] 8b LeG 22 48 41.813 -44 32 13.59         24.55 ~ 7 0
26 [KCG2015] 14 G 22 48 41.872 -44 31 44.37           ~ 2 0
27 [KCG2015] 4 G 22 48 41.877 -44 32 46.37           ~ 2 0
28 [KCG2015] 61 G 22 48 41.91 -44 32 13.2           ~ 2 0
29 [KCG2015] 10 GiC 22 48 41.970 -44 32 02.83           ~ 3 0
30 [KCG2015] 49a LeG 22 48 42.014 -44 32 27.70         25.85 ~ 11 0
31 [KCG2015] 72 G 22 48 42.06 -44 31 53.1           ~ 1 0
32 [GVR2012] 779 G 22 48 42.107 -44 32 07.60   21.57     19.68 ~ 5 0
33 [KCG2015] 45 G 22 48 42.125 -44 32 44.08           ~ 2 0
34 [GDS2018] AS1063-1152 LeG 22 48 42.192 -44 31 57.08         22.19 ~ 9 0
35 [MSG2014] 7b LeG 22 48 42.23 -44 32 10.1           ~ 4 0
36 [KCG2015] 16 GiC 22 48 42.341 -44 32 00.96           ~ 4 0
37 [KCG2015] 2 GiC 22 48 42.456 -44 32 02.75           ~ 4 0
38 [KCG2015] 17 G 22 48 42.461 -44 32 14.77           ~ 2 0
39 [KCG2015] 47 G 22 48 42.477 -44 32 46.77           ~ 2 0
40 [GVR2012] 746 G 22 48 42.4825127328 -44 32 13.083442908   21.37     19.13 ~ 5 0
41 [KCC2017] NE-37 G 22 48 42.54 -44 31 30.1           ~ 1 0
42 [KCG2015] 27 GiC 22 48 42.696 -44 31 56.56           ~ 3 0
43 [KCC2017] NE-46 G 22 48 42.71 -44 31 26.7           ~ 1 0
44 [KCG2015] 30 G 22 48 42.893 -44 32 47.66           ~ 2 0
45 [MSG2014] 21b LeG 22 48 42.920 -44 32 12.25           ~ 5 0
46 [MSG2014] 20b LeG 22 48 42.920 -44 32 09.16         25.94 ~ 5 0
47 [KCC2017] NE-71 G 22 48 42.94 -44 31 29.0           ~ 1 0
48 [KCG2015] 22 GiC 22 48 42.957 -44 31 57.95           ~ 4 0
49 [KCG2015] 52a LeG 22 48 42.984 -44 32 19.08         27.37 ~ 3 0
50 [KCC2017] NE-77 G 22 48 42.99 -44 31 43.2           ~ 1 0
51 [BVR2013] J224843.01-443124.9 LeG 22 48 43.013 -44 31 24.91         23.81 ~ 9 0
52 [KCG2015] 41 G 22 48 43.019 -44 32 31.90           ~ 2 0
53 [KCC2017] NE-7 GiC 22 48 43.060 -44 31 41.46           ~ 2 0
54 [KCC2017] NE-19 G 22 48 43.10 -44 31 23.1           ~ 2 0
55 [KCC2017] NE-68 G 22 48 43.11 -44 31 42.9           ~ 1 0
56 [KCG2015] 60 G 22 48 43.184 -44 32 08.16           ~ 2 0
57 [GVR2012] 667 G 22 48 43.185 -44 32 38.41           ~ 3 0
58 [KCG2015] 43c G 22 48 43.366 -44 32 19.16           ~ 2 0
59 [KCG2015] 35 G 22 48 43.394 -44 32 47.28           ~ 2 0
60 [MSG2014] 14b LeG 22 48 43.450 -44 32 04.66         26.4 ~ 12 0
61 [KCC2017] NE-47 G 22 48 43.47 -44 31 45.3           ~ 1 0
62 [KCG2015] 71 G 22 48 43.48 -44 32 16.4           ~ 1 0
63 [KCG2015] 52b LeG 22 48 43.593 -44 32 21.71         26.88 ~ 3 0
64 [MSG2014] 8a LeG 22 48 43.644 -44 32 25.81         23.73 ~ 8 0
65 [KCG2015] 28 G 22 48 43.670 -44 32 18.85           ~ 2 0
66 [KCG2015] 62 G 22 48 43.673 -44 32 18.89           ~ 2 0
67 [KCG2015] 12 G 22 48 43.69 -44 32 25.2           ~ 2 0
68 [KCC2017] NE-57 G 22 48 43.81 -44 31 36.8           ~ 1 0
69 [KCC2017] NE-93a G 22 48 43.88 -44 31 13.0           ~ 1 0
70 [KCC2017] NE-54 G 22 48 43.90 -44 31 49.7           ~ 1 0
71 [KCC2017] NE-24 G 22 48 43.91 -44 31 29.8           ~ 1 0
72 DES J224843.96-443150.8 Le? 22 48 43.927 -44 31 51.55           ~ 4 0
73 [KCG2015] 26 G 22 48 43.937 -44 31 59.05           ~ 2 0
74 [KCG2015] 57 G 22 48 43.978 -44 32 37.88           ~ 2 0
75 [KCC2017] NE-73 G 22 48 44.05 -44 31 48.4           ~ 1 0
76 [KCC2017] NE-52 G 22 48 44.08 -44 31 50.0           ~ 1 0
77 [KCC2017] NE-99a G 22 48 44.11 -44 31 16.4           ~ 1 0
78 [MSG2014] 14e LeG 22 48 44.16 -44 31 53.7           ~ 5 0
79 [KCC2017] NE-67 GiC 22 48 44.166 -44 31 36.94           ~ 3 0
80 [KCG2015] 53c G 22 48 44.177 -44 32 07.14           ~ 3 0
81 [KCC2017] NE-16 G 22 48 44.21 -44 31 13.1           ~ 1 0
82 [KCC2017] NE-10 G 22 48 44.2219871304 -44 31 41.062274220           ~ 2 0
83 [BVR2013] J224844.23-443131.0 LeI 22 48 44.23 -44 31 31.0           ~ 2 0
84 [KCG2015] 31 GiC 22 48 44.241 -44 32 10.24           ~ 4 0
85 [KCG2015] 40 G 22 48 44.260 -44 32 22.46           ~ 2 0
86 [KCG2015] 29 G 22 48 44.284 -44 32 35.44           ~ 2 0
87 [KCC2017] NE-45 G 22 48 44.29 -44 31 45.5           ~ 1 0
88 [KCG2015] 63 G 22 48 44.371 -44 32 26.35           ~ 2 0
89 [KCG2015] 77 G 22 48 44.48 -44 32 02.8           ~ 1 0
90 [KCC2017] NE-35 GiC 22 48 44.494 -44 31 07.06           ~ 3 0
91 [KCG2015] 19 G 22 48 44.521 -44 31 58.98           ~ 2 0
92 [KCG2015] 64 G 22 48 44.53 -44 32 18.9           ~ 2 0
93 [KCC2017] NE-61 G 22 48 44.55 -44 31 52.5           ~ 1 0
94 [KCC2017] NE-50 G 22 48 44.57 -44 31 49.8           ~ 1 0
95 [KCC2017] NE-36 GiC 22 48 44.571 -44 31 33.92           ~ 2 0
96 [KCG2015] 3 GiC 22 48 44.574 -44 32 04.40           ~ 3 0
97 [KCC2017] NE-85 G 22 48 44.58 -44 31 26.6           ~ 1 0
98 [MSG2014] 21a LeG 22 48 44.600 -44 32 19.90         25.91 ~ 5 0
99 [MSG2014] 2c LeG 22 48 44.74 -44 31 16.2         22.91 ~ 4 0
100 [KCC2017] NE-11 G 22 48 44.78 -44 31 49.0           ~ 1 0
101 [KCG2015] 25 GiC 22 48 44.788 -44 32 26.68           ~ 3 0
102 [KCC2017] NE-18 GiC 22 48 44.789 -44 31 20.90           ~ 3 0
103 [KCC2017] NE-51 G 22 48 44.79 -44 31 51.9           ~ 1 0
104 [KCC2017] NE-60 G 22 48 44.81 -44 31 14.2           ~ 1 0
105 [KCC2017] NE-78 GiC 22 48 44.820 -44 31 40.15           ~ 2 0
106 [KCG2015] 15 G 22 48 44.843 -44 32 02.01           ~ 2 0
107 [KCG2015] 8 G 22 48 44.865 -44 32 07.31           ~ 2 0
108 [KCC2017] NE-1 * 22 48 44.88 -44 31 34.2           ~ 1 0
109 [KCC2017] NE-8 G 22 48 44.94 -44 31 13.4           ~ 1 0
110 [MSG2014] 20a LeG 22 48 44.980 -44 32 19.32         25.40 ~ 5 0
111 [MSG2014] 4b LeG 22 48 45.084 -44 31 38.30         22.65 ~ 9 0
112 [KCC2017] NE-17 GiC 22 48 45.123 -44 31 57.96           ~ 2 0
113 [KCC2017] NE-63 GiC 22 48 45.143 -44 31 33.41           ~ 3 0
114 [KCC2017] NE-62 GiC 22 48 45.146 -44 31 46.98           ~ 3 0
115 [JSB2014] AS1063 6.3 LeG 22 48 45.226 -44 32 23.99         22.59 ~ 9 0
116 [KCC2017] NE-29 G 22 48 45.23 -44 31 03.9           ~ 1 0
117 [KCC2017] NE-55 G 22 48 45.26 -44 31 36.2           ~ 1 0
118 [KCG2015] 39 G 22 48 45.288 -44 32 16.38           ~ 2 0
119 [GVR2012] 575 G 22 48 45.295 -44 32 25.04           ~ 3 0
120 [KCC2017] NE-99b G 22 48 45.30 -44 31 21.9           ~ 1 0
121 [KCC2017] NE-87b G 22 48 45.35 -44 31 43.1           ~ 1 0
122 [KCC2017] NE-15 G 22 48 45.36 -44 31 28.9           ~ 1 0
123 [KCC2017] NE-30 G 22 48 45.36 -44 31 09.2           ~ 1 0
124 CLASH RXJ2248-4431 847 LeG 22 48 45.370 -44 31 48.06         25.2 ~ 12 0
125 [KCC2017] NE-65 G 22 48 45.38 -44 31 35.2           ~ 1 0
126 [KCC2017] NE-4 G 22 48 45.38 -44 31 16.2           ~ 1 0
127 [KCC2017] NE-53 GiC 22 48 45.390 -44 31 46.29           ~ 2 0
128 [KCC2017] NE-21 G 22 48 45.40 -44 31 25.2           ~ 1 0
129 [KCC2017] NE-5 G 22 48 45.41 -44 31 16.2           ~ 1 0
130 [KCC2017] NE-94a G 22 48 45.44 -44 31 07.4           ~ 1 0
131 [KCG2015] 13 G 22 48 45.456 -44 32 12.82           ~ 2 0
132 [KCC2017] NE-6 G 22 48 45.53 -44 31 12.2           ~ 1 0
133 [KCC2017] NE-48 G 22 48 45.60 -44 32 04.2           ~ 1 0
134 [KCC2017] NE-74 G 22 48 45.60 -44 31 26.9           ~ 1 0
135 [KCC2017] NE-87c G 22 48 45.62 -44 31 48.4           ~ 1 0
136 [KCC2017] NE-98a G 22 48 45.64 -44 31 51.4           ~ 1 0
137 [KCC2017] NE-31 G 22 48 45.65 -44 30 59.5           ~ 1 0
138 [KCC2017] NE-98b G 22 48 45.80 -44 32 08.4           ~ 1 0
139 CLASH RXJ2248-4431 1291 LeG 22 48 45.810 -44 32 14.86         25.9 ~ 23 0
140 [KCC2017] NE-97 G 22 48 45.84 -44 31 36.4           ~ 1 0
141 [KCC2017] NE-49 G 22 48 45.86 -44 31 58.6           ~ 1 0
142 [KCC2017] NE-41 G 22 48 45.90 -44 32 06.5           ~ 1 0
143 [KCC2017] NE-76 G 22 48 45.93 -44 32 03.6           ~ 1 0
144 [KCC2017] NE-59 G 22 48 45.98 -44 32 00.1           ~ 1 0
145 [MSG2014] 15b LeG 22 48 46.010 -44 31 49.92         25.56 ~ 5 0
146 [KCC2017] NE-12 G 22 48 46.05 -44 31 46.8           ~ 1 0
147 [KCC2017] NE-93b G 22 48 46.07 -44 31 26.7           ~ 1 0
148 [KCC2017] NE-13 G 22 48 46.10 -44 31 22.2           ~ 1 0
149 [RJL2014] AS1063 4.2 LeG 22 48 46.130 -44 31 47.78         23.78 ~ 4 0
150 [KCC2017] NE-91 G 22 48 46.17 -44 31 30.2           ~ 1 0
151 [MSG2014] 3a LeG 22 48 46.246 -44 31 52.27         24.56 ~ 7 0
152 [KCC2017] NE-27 G 22 48 46.25 -44 30 53.7           ~ 1 0
153 [KCC2017] NE-38 G 22 48 46.25 -44 31 11.1           ~ 1 0
154 [KCC2017] NE-32 G 22 48 46.30 -44 31 19.5           ~ 1 0
155 [KCC2017] NE-2 * 22 48 46.31 -44 31 41.4           ~ 1 0
156 [MSG2014] 4a LeG 22 48 46.368 -44 32 11.52           ~ 7 0
157 [KCC2017] NE-26 GiC 22 48 46.382 -44 31 04.15           ~ 3 0
158 [KCC2017] NE-20 G 22 48 46.38 -44 31 26.9           ~ 1 0
159 [KCC2017] NE-39 GiC 22 48 46.385 -44 31 35.14           ~ 3 0
160 [MSG2014] 13b LeG 22 48 46.397 -44 31 45.90           ~ 6 0
161 [KCC2017] NE-14 G 22 48 46.48 -44 31 06.6           ~ 1 0
162 [MSG2014] 13a LeG 22 48 46.483 -44 31 48.44         26.40 ~ 6 0
163 [KCC2017] NE-28 G 22 48 46.61 -44 31 19.5           ~ 1 0
164 [MSG2014] 1b LeG 22 48 46.680 -44 31 37.19           ~ 5 0
165 [KCC2017] NE-72 G 22 48 46.71 -44 31 56.2           ~ 1 0
166 [KCC2017] NE-25 G 22 48 46.84 -44 31 45.3           ~ 1 0
167 [KCC2017] NE-88d G 22 48 46.85 -44 31 40.3           ~ 2 0
168 [KCC2017] NE-58 G 22 48 46.87 -44 32 05.4           ~ 1 0
169 [KCC2017] NE-70 G 22 48 46.88 -44 32 05.6           ~ 1 0
170 [KCC2017] NE-82 G 22 48 46.89 -44 31 00.3           ~ 1 0
171 [KCC2017] NE-23 G 22 48 46.91 -44 31 56.8           ~ 1 0
172 [KCC2017] NE-42 GiC 22 48 46.9209328152 -44 31 33.688715484           ~ 4 0
173 [KCC2017] NE-44 G 22 48 46.98 -44 31 26.9           ~ 1 0
174 [KCC2017] NE-22 G 22 48 47.01 -44 31 25.2           ~ 1 0
175 [MSG2014] 1a LeG 22 48 47.020 -44 31 44.27           ~ 6 0
176 [KCC2017] NE-94b G 22 48 47.08 -44 31 22.5           ~ 1 0
177 [KCC2017] NE-56 G 22 48 47.17 -44 31 11.1           ~ 1 0
178 [RBB2014] J224847.17-443121.0 G 22 48 47.179 -44 31 21.00           ~ 2 0
179 [KCC2017] NE-79 G 22 48 47.21 -44 31 44.7           ~ 1 0
180 [KCC2017] NE-100 G 22 48 47.28 -44 31 19.6           ~ 1 0
181 [KCC2017] NE-96 G 22 48 47.30 -44 31 29.4           ~ 1 0
182 [KCC2017] NE-95 G 22 48 47.31 -44 31 28.8           ~ 1 0
183 [KCC2017] NE-69 GiC 22 48 47.336 -44 31 23.75           ~ 3 0
184 [KCC2017] NE-9 G 22 48 47.51 -44 31 40.2           ~ 1 0
185 [KCC2017] NE-80 G 22 48 47.58 -44 31 38.7           ~ 1 0
186 [KCC2017] NE-34 G 22 48 48.04 -44 31 38.0           ~ 1 0
187 [KCC2017] NE-75 GiC 22 48 48.064 -44 31 30.72           ~ 5 0
188 [KCC2017] NE-33 G 22 48 48.20 -44 31 38.0           ~ 1 0
189 [KCC2017] NE-43 G 22 48 48.29 -44 31 14.4           ~ 1 0
190 [KCC2017] NE-40 G 22 48 48.30 -44 31 26.5           ~ 1 0
191 [KCC2017] NE-83 G 22 48 48.71 -44 31 37.8           ~ 1 0
192 [KCC2017] NE-86 G 22 48 48.86 -44 31 29.9           ~ 1 0
193 [KCC2017] NE-66 GiC 22 48 48.995 -44 31 30.85           ~ 3 0
194 [KCC2017] NE-81 G 22 48 49.06 -44 31 28.5           ~ 1 0
195 [KCC2017] NE-64 G 22 48 49.22 -44 31 33.3           ~ 1 0
196 [KCC2017] NE-84 G 22 48 49.36 -44 31 23.7           ~ 1 0
197 ACO S 1063 ClG 22 48 54.3 -44 31 07           ~ 262 0

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2022.08.10-07:43:24

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