2021ApJ...910..135S

Query : 2021ApJ...910..135S

2021ApJ...910..135S - Astrophys. J., 910, 135-135 (2021/April-1)

RELICS: properties of z >= 5.5 galaxies inferred from Spitzer and Hubble imaging, including a candidate z ∼ 6.8 strong [O III] emitter.

STRAIT V., BRADAC M., COE D., LEMAUX B.C., CARNALL A.C., BRADLEY L., PELLICCIA D., SHARON K., ZITRIN A., ACEBRON A., NEUFELD C., ANDRADE-SANTOS F., AVILA R.J., FRYE B.L., MAHLER G., NONINO M., OGAZ S., OGURI M., OUCHI M., PATERNO-MAHLER R., STARK D.P., MAINALI R., OESCH P.A., TRENTI M., CARRASCO D., DAWSON W.A., JONES C., UMETSU K. and VULCANI B.

Abstract (from CDS):

We present constraints on the physical properties (including stellar mass, age, and star formation rate) of 207 6 <= z <= 8 galaxy candidates from the Reionization Lensing Cluster Survey (RELICS) and Spitzer-RELICS surveys. We measure photometry using T-PHOT and perform spectral energy distribution fitting using EAzY and BAGPIPES. Of the 207 candidates for which we could successfully measure (or place limits on) Spitzer fluxes, 23 were demoted to likely z < 4. Among the high-z candidates, we find intrinsic stellar masses between 1 x 106M☉ and 4 x 109M☉, and rest-frame UV absolute magnitudes between -22.6 and -14.5 mag. While our sample is mostly comprised of LmUV/LmUV* < 1 galaxies, it extends to LmUV/LmUV* ∼2. Our sample spans ∼4 orders of magnitude in stellar mass and star formation rates, and exhibits ages that range from maximally young to maximally old. We highlight 11 z >= 6.5 galaxies with detections in Spitzer/IRAC imaging, several of which show evidence for some combination of evolved stellar populations, large contributions of nebular emission lines, and/or dust. Among these is PLCKG287+32-2013, one of the brightest z ∼ 7 candidates known (AB mag 24.9 at 1.6 µm) with a Spitzer 3.6 µm flux excess suggesting strong [O III] + H-β emission (∼1000 Å rest-frame equivalent width). We discuss the possible uses and limits of our sample and present a public catalog of Hubble + Spitzer photometry along with physical property estimates for all objects in the sample. Because of their apparent brightnesses, high redshifts, and variety of stellar populations, these objects are excellent targets for follow-up with the James Webb Space Telescope.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): High-redshift galaxies - Galaxies

VizieR on-line data: <Available at CDS (J/ApJ/910/135): table1.dat relics-z.dat>

Simbad objects: 58

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Number of rows : 58
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 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
2 MCS J0025.4-1222 ClG 00 25 29.381 -12 22 37.06           ~ 151 0
3 PSZ1 G116.48-44.47 ClG 00 32 08.2 +18 06 25           ~ 31 0
4 MCS J0032.1+1808 ClG 00 32 09.380 +18 06 56.17           ~ 7 0
5 ACT-CL J0035.4-2015 ClG 00 35 26.5 -20 15 46           ~ 52 0
6 ACO 2813 ClG 00 43 22.8 -20 37 21           ~ 111 0
7 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
8 RELICS wfc3ir ACT-CL J0102-49151 2391 G 01 02 53.5517 -49 14 21.740   27.9025       ~ 2 0
9 RELICS wfc3ir ACT-CL J0102-49151 2551 G 01 02 54.1633 -49 13 57.418   29.1570     29.6593 ~ 2 0
10 ACT-CL J0137.4-0827 ClG 01 37 24.9 -08 27 22           ~ 50 0
11 CIZA J0142.9+4438 ClG 01 42 55.5 +44 37 25           ~ 27 0
12 RELICS wfc3ir CL J0152.7-1357 191 G 01 52 41.1939 -13 58 24.394   30.9266       ~ 3 0
13 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3
14 ACT-CL J0159.8-0849 ClG 01 59 49.4 -08 50 00           ~ 98 0
15 PLCKESZ G138.6-10.8 ClG 02 27 06.8385 +49 05 10.349           ~ 16 0
16 ACT-CL J0232.2-4421 ClG 02 32 18.69 -44 20 41.5           ~ 130 0
17 ACO S 295 ClG 02 45 35.80 -53 02 16.8           ~ 86 0
18 ACT-CL J0254.3-5857 ClG 02 54 17.7 -58 57 11           ~ 57 0
19 ACT-CL J0257.1-2325 ClG 02 57 09.151 -23 26 05.83           ~ 80 0
20 MCS J0308.9+2645 ClG 03 08 55.9 +26 45 38           ~ 48 0
21 PLCKESZ G171.9-40.7 ClG 03 12 55 +08 22.8           ~ 58 0
22 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
23 ACO 3192 ClG 03 58 54.045 -29 55 31.41           ~ 58 0
24 ACT-CL J0417.5-1154 ClG 04 17 34.6 -11 54 32           ~ 116 0
25 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
26 RELICS wfc3ir MACS J0553.4-3342 1016 G 05 53 16.7684 -33 42 59.577         29.7379 ~ 2 0
27 RELICS wfc3ir MACS J0553.4-3342 1014 G 05 53 16.8039 -33 42 59.131         29.4815 ~ 2 0
28 RELICS wfc3ir MACS J0553.4-3342 219 G 05 53 24.9684 -33 41 52.614   30.3568     29.7807 ~ 3 0
29 ACT-CL J0553.4-3342 ClG 05 53 27.200 -33 42 53.02           ~ 74 0
30 RELICS wfc3ir RXC J0600.1-2007 178 G 06 00 06.5053 -20 07 12.895   30.2375     27.5457 ~ 2 0
31 MCS J0600.1-2008 ClG 06 00 17.0 -20 06 16           ~ 47 0
32 ClG J0603.3+4214 ClG 06 03.3 +42 14           ~ 141 0
33 ACT-CL J0615.8-5746 ClG 06 15 50.8888 -57 46 36.826           ~ 80 0
34 PSZ1 G209.80+10.23 ClG 07 22 23.1218 +07 24 30.899           ~ 18 0
35 SMACS J0723.3-7327 ClG 07 23 13.3 -73 27 25           ~ 252 0
36 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
37 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
38 RELICS wfc3ir RXC J0911.1+1746 143 G 09 11 10.5531 +17 47 23.106         31.4130 ~ 3 0
39 ACT-CL J0911.1+1746 ClG 09 11 11.277 +17 46 31.94           ~ 79 0
40 ZwCl 0947+1723 ClG 09 49 51.8 +17 07 05           ~ 92 0
41 ClG 1008-12 ClG 10 10 34.1 -12 39 48     18.0     ~ 155 0
42 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 168 0
43 [IKO2018] HFF4C-3358-4457 LeG 11 49 33.584 +22 24 45.78           ~ 96 0
44 RELICS wfc3ir PLCK G287.0+32.9 2013 G 11 50 45.0713 -28 04 33.911   28.1300     29.8703 ~ 3 0
45 PLCKESZ G287.0+32.9 ClG 11 50 49.20 -28 04 36.5           ~ 100 0
46 RELICS wfc3ir PLCK G287.0+32.9 698 G 11 50 49.2030 -28 04 14.689   28.9468     28.5938 ~ 4 0
47 RELICS wfc3ir PLCK G287.0+32.9 777 G 11 50 52.7840 -28 04 17.603   28.7289       ~ 4 0
48 [OBV2016] GN-z11 EmG 12 36 25.46 +62 14 31.4           ~ 247 0
49 ACO 1758 ClG 13 32 32.1 +50 30 37           ~ 266 2
50 RELICS wfc3ir Abell 1758 1942 G 13 32 48.0264 +50 31 06.660         25.7375 ~ 2 0
51 RELICS wfc3ir Abell 1763 1434 G 13 35 20.0099 +40 59 24.645           ~ 3 0
52 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 335 0
53 2MASX J15150305-1521537 ClG 15 14.9 -15 23           ~ 57 0
54 PLCKESZ G308.3-20.2 ClG 15 18 21 -81 31.4           ~ 21 0
55 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
56 PLCKESZ G004.5-19.5 ClG 19 16 54 -33 30.5           ~ 31 0
57 ACT-CL J2211.7-0349 ClG 22 11 44.8 -03 49 33           ~ 96 0
58 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 152 0

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