2024AJ....168..113C

Query : 2024AJ....168..113C

2024AJ....168..113C - Astron. J., 168, 113 (2024/September-0)

Evidence for a Shallow Evolution in the Volume Densities of Massive Galaxies at z = 4-8 from CEERS.

CHWOROWSKY K., FINKELSTEIN S.L., BOYLAN-KOLCHIN M., McGRATH E.J., IYER K.G., PAPOVICH C., DICKINSON M., TAYLOR A.J., YUNG L.Y.A., ARRABAL HARO P., BAGLEY M.B., BACKHAUS B.E., BHATAWDEKAR R., CHENG Y., CLERI N.J., COLE J.W., COOPER M.C., COSTANTIN L., DEKEL A., FRANCO M., FUJIMOTO S., HAYWARD C.C., HOLWERDA B.W., HUERTAS-COMPANY M., HIRSCHMANN M., HUTCHISON T.A., KOEKEMOER A.M., LARSON R.L., LI Z., LONG A.S., LUCAS R.A., PIRZKAL N., RODIGHIERO G., SOMERVILLE R.S., VANDERHOOF B.N., DE LA VEGA A., WILKINS S.M., YANG G. and ZAVALA J.A.

Abstract (from CDS):

We analyze the evolution of massive (log10[M⋆/M⊙] > 10) galaxies at z ∼ 1-4 selected from JWST Cosmic Evolution Early Release Survey (CEERS). We infer the physical properties of all galaxies in the CEERS NIRCam imaging through spectral energy distribution (SED) fitting with dense basis to select a sample of high-redshift massive galaxies. Where available we include constraints from additional CEERS observing modes, including 18 sources with MIRI photometric coverage, and 28 sources with spectroscopic confirmations from NIRSpec or NIRCam WFSS. We sample the recovered posteriors in stellar mass from SED fitting to infer the volume densities of massive galaxies across cosmic time, taking into consideration the potential for sample contamination by active galactic nuclei. We find that the evolving abundance of massive galaxies tracks expectations based on a constant baryon conversion efficiency in dark matter halos for z ∼ 1-4. At higher redshifts, we observe an excess abundance of massive galaxies relative to this simple model, resulting in a shallower decline of observed volume densities of massive galaxies. These higher abundances can be explained by modest changes to star formation physics and/or the efficiencies with which star formation occurs in massive dark matter halos, and are not in tension with modern cosmology.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galaxy evolution - Galaxy formation - High-redshift galaxies - Galactic and extragalactic astronomy

VizieR on-line data: <Available at CDS (J/AJ/168/113): table1.dat>

Simbad objects: 123

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Number of rows : 123
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 NAME GOODS Southern Field reg 03 32 28.0 -27 48 30           ~ 1623 1
2 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
3 CANDELS EGS F160W J141856.9+524338.6 G 14 18 56.944 +52 43 38.63           ~ 3 0
4 CANDELS EGS F160W J141858.3+524407.9 G 14 18 58.264 +52 44 07.92           ~ 3 0
5 CANDELS EGS F160W J141858.3+524446.6 G 14 18 58.339 +52 44 46.56           ~ 3 0
6 CANDELS EGS F160W J141858.7+524501.1 G 14 18 58.716 +52 45 01.15           ~ 4 0
7 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0
8 CANDELS EGS F160W J141902.2+524533.2 G 14 19 02.232 +52 45 33.15           ~ 3 0
9 CANDELS EGS F160W J141902.7+524502.5 G 14 19 02.665 +52 45 02.47           ~ 3 0
10 [FLB2024] CEERS-93955 G 14 19 05.13 +52 44 59.1           ~ 1 0
11 CANDELS EGS F160W J141909.7+525030.9 G 14 19 09.686 +52 50 30.93           ~ 3 0
12 CANDELS EGS F160W J141910.9+524719.7 AGN 14 19 10.909 +52 47 19.72           ~ 8 0
13 CANDELS EGS F160W J141913.5+525156.2 G 14 19 13.49 +52 51 56.3           ~ 4 0
14 CANDELS EGS F160W J141913.7+525017.6 G 14 19 13.69 +52 50 17.7           ~ 6 0
15 CANDELS EGS F160W J141913.7+524410.2 G 14 19 13.696 +52 44 10.19           ~ 3 0
16 [CMM2023] 17318 G 14 19 13.957 +52 49 55.92           ~ 4 0
17 CANDELS EGS F160W J141919.3+524629.9 G 14 19 19.332 +52 46 29.86           ~ 3 0
18 [FLB2024] CEERS-95076 G 14 19 19.86 +52 46 52.9           ~ 1 0
19 [FLB2024] CEERS-24868 G 14 19 21.22 +52 53 06.6           ~ 1 0
20 [FLB2024] CEERS-24869 G 14 19 21.25 +52 53 06.7           ~ 1 0
21 CANDELS EGS F160W J141921.6+524912.2 G 14 19 21.585 +52 49 12.25           ~ 2 0
22 [FLB2024] CEERS-61862 G 14 19 21.66 +52 48 04.0           ~ 1 0
23 CANDELS EGS F160W J141921.9+524702.7 G 14 19 21.872 +52 47 02.68           ~ 3 0
24 CANDELS EGS F160W J141924.2+524636.1 G 14 19 24.21 +52 46 35.7           ~ 4 0
25 CANDELS EGS F160W J141924.7+524626.1 G 14 19 24.678 +52 46 26.06           ~ 3 0
26 [FLB2024] CEERS-12786 G 14 19 24.76 +52 54 05.8           ~ 1 0
27 [FLB2024] CEERS-12787 G 14 19 24.78 +52 54 05.6           ~ 1 0
28 CANDELS EGS F160W J141926.0+525420.0 G 14 19 25.98 +52 54 20.1           ~ 4 0
29 CANDELS EGS F160W J141926.0+525342.3 G 14 19 25.998 +52 53 42.34           ~ 3 0
30 CANDELS EGS F160W J141926.0+525341.2 G 14 19 26.022 +52 53 41.15           ~ 3 0
31 CANDELS EGS F160W J141926.1+525105.4 G 14 19 26.127 +52 51 05.38           ~ 3 0
32 CANDELS EGS F160W J141926.2+525235.9 G 14 19 26.190 +52 52 35.92           ~ 3 0
33 CANDELS EGS F160W J141926.5+525130.0 G 14 19 26.537 +52 51 29.95           ~ 3 0
34 CANDELS EGS F160W J141926.9+524719.3 G 14 19 26.919 +52 47 19.26           ~ 3 0
35 CANDELS EGS F160W J141927.3+524709.7 G 14 19 27.289 +52 47 09.70           ~ 3 0
36 CANDELS EGS F160W J141927.4+525215.9 G 14 19 27.434 +52 52 15.92           ~ 2 0
37 [ADF2023] CEERS MSA 2362 EmG 14 19 27.4813 +52 52 15.471           ~ 3 0
38 CANDELS EGS F160W J141927.7+524839.1 G 14 19 27.655 +52 48 39.15           ~ 3 0
39 CANDELS EGS F160W J141927.8+524612.7 G 14 19 27.784 +52 46 12.74           ~ 3 0
40 CANDELS EGS F160W J141927.9+525122.7 G 14 19 27.926 +52 51 22.72           ~ 3 0
41 CANDELS EGS F160W J141928.1+524609.4 G 14 19 28.063 +52 46 09.42           ~ 3 0
42 CANDELS EGS F160W J141928.8+524825.4 EmG 14 19 28.811 +52 48 25.42           ~ 3 0
43 CANDELS EGS F160W J141929.3+524633.8 G 14 19 29.306 +52 46 33.82           ~ 3 0
44 CANDELS EGS F160W J141929.8+525455.6 G 14 19 29.755 +52 54 55.56           ~ 3 0
45 CANDELS EGS F160W J141930.8+525139.3 G 14 19 30.773 +52 51 39.28           ~ 3 0
46 CANDELS EGS F160W J141931.5+525437.9 G 14 19 31.471 +52 54 37.91           ~ 3 0
47 CANDELS EGS F160W J141931.7+525355.2 G 14 19 31.709 +52 53 55.20           ~ 3 0
48 RUBIES-EGS-42232 AGN 14 19 32.830 +52 51 19.37           ~ 4 0
49 CANDELS EGS F160W J141933.9+525559.1 G 14 19 33.950 +52 55 59.09           ~ 3 0
50 [FLB2024] CEERS-11949 G 14 19 34.06 +52 56 01.9           ~ 1 0
51 CEERS J141934.14+525238.6 AGN 14 19 34.140 +52 52 38.66           ~ 13 0
52 CANDELS EGS F160W J141935.1+525523.8 G 14 19 35.100 +52 55 23.80           ~ 3 0
53 [FLB2024] CEERS-92116 G 14 19 35.15 +52 47 15.7           ~ 1 0
54 CANDELS EGS F160W J141935.2+525215.2 G 14 19 35.15991 +52 52 15.3745           ~ 4 0
55 CANDELS EGS F160W J141936.5+525336.4 G 14 19 36.492 +52 53 36.37           ~ 3 0
56 CANDELS EGS F160W J141936.7+525644.6 G 14 19 36.74 +52 56 44.7           ~ 4 0
57 CANDELS EGS F160W J141937.0+524801.1 G 14 19 36.994 +52 48 01.09           ~ 3 0
58 [FLB2024] CEERS-43418 G 14 19 37.20 +52 53 25.4           ~ 1 0
59 CANDELS EGS F160W J141937.6+525554.9 G 14 19 37.63916 +52 55 55.0735           ~ 4 0
60 CANDELS EGS F160W J141938.5+525621.0 G 14 19 38.511 +52 56 21.02           ~ 3 0
61 [FLB2024] CEERS-90285 EmG 14 19 38.83 +52 48 32.6           ~ 1 0
62 CANDELS EGS F160W J141939.3+525634.8 G 14 19 39.31 +52 56 34.8           ~ 4 0
63 CANDELS EGS F160W J141940.4+525616.4 G 14 19 40.413 +52 56 16.39           ~ 3 0
64 CANDELS EGS F160W J141940.5+525621.0 G 14 19 40.53 +52 56 21.1           ~ 5 0
65 [FLB2024] CEERS-1924 G 14 19 42.18 +52 57 16.0           ~ 1 0
66 CANDELS EGS F160W J141943.2+525144.0 EmG 14 19 43.176 +52 51 44.05           ~ 4 0
67 CANDELS EGS F160W J141943.5+525614.8 G 14 19 43.55 +52 56 14.9           ~ 5 0
68 [FLB2024] CEERS-19309 G 14 19 43.58 +52 55 15.6           ~ 1 0
69 CANDELS EGS F160W J141943.9+525747.6 G 14 19 43.89 +52 57 47.7           ~ 4 0
70 CANDELS EGS F160W J141945.0+525505.8 EmG 14 19 45.003 +52 55 05.82           ~ 4 0
71 CANDELS EGS F160W J141945.1+524957.0 EmG 14 19 45.13 +52 49 57.0           ~ 5 0
72 CANDELS EGS F160W J141945.3+525250.5 G 14 19 45.28 +52 52 50.6           ~ 5 0
73 CANDELS EGS F160W J141946.4+525150.9 EmG 14 19 46.438 +52 51 50.86           ~ 4 0
74 [FLB2024] CEERS-89572 EmG 14 19 46.52 +52 50 08.9           ~ 1 0
75 CANDELS EGS F160W J141946.5+525547.2 G 14 19 46.540 +52 55 47.25           ~ 3 0
76 [BIO2015] EGSV-9467154353 G 14 19 46.71 +52 54 35.3           ~ 3 0
77 CANDELS EGS F160W J141947.6+525617.1 G 14 19 47.65 +52 56 17.1           ~ 5 0
78 [FLB2024] CEERS-87742 G 14 19 47.76 +52 51 06.3           ~ 1 0
79 CANDELS EGS F160W J141947.9+525428.2 EmG 14 19 47.86 +52 54 28.4           ~ 4 0
80 CANDELS EGS F160W J141948.7+524945.8 G 14 19 48.703 +52 49 45.79           ~ 3 0
81 CANDELS EGS F160W J141949.8+524951.9 G 14 19 49.756 +52 49 51.92           ~ 3 0
82 CANDELS EGS F160W J141950.1+525821.0 G 14 19 50.108 +52 58 21.00           ~ 3 0
83 CANDELS EGS F160W J141951.1+525041.9 G 14 19 51.135 +52 50 41.94           ~ 3 0
84 CANDELS EGS F160W J141952.2+525809.0 G 14 19 52.234 +52 58 08.96           ~ 3 0
85 CANDELS EGS F160W J141953.8+525825.9 G 14 19 53.809 +52 58 25.94           ~ 3 0
86 CANDELS EGS F160W J141953.9+525826.8 G 14 19 53.851 +52 58 26.79           ~ 3 0
87 CANDELS EGS F160W J141954.0+525138.0 G 14 19 53.967 +52 51 38.03           ~ 3 0
88 CANDELS EGS F160W J141954.6+525322.6 G 14 19 54.556 +52 53 22.57           ~ 3 0
89 [BTP2024] 012-A-25344 EmG 14 19 54.635 +52 54 12.73           ~ 2 0
90 CANDELS EGS F160W J141954.8+525124.1 G 14 19 54.811 +52 51 24.13           ~ 4 0
91 CANDELS EGS F160W J141955.2+525140.0 EmG 14 19 55.19 +52 51 40.1           ~ 6 0
92 CANDELS EGS F160W J141955.5+525257.3 G 14 19 55.533 +52 52 57.29           ~ 2 0
93 CANDELS EGS F160W J141955.9+525721.7 AGN 14 19 55.925 +52 57 21.60           ~ 20 0
94 CANDELS EGS F160W J141956.6+525803.2 G 14 19 56.584 +52 58 03.18           ~ 3 0
95 CANDELS EGS F160W J141956.7+525515.5 G 14 19 56.673 +52 55 15.54           ~ 3 0
96 CANDELS EGS F160W J141956.9+525228.5 G 14 19 56.93481 +52 52 28.7228           ~ 4 0
97 CANDELS EGS F160W J141959.9+525926.2 G 14 19 59.86 +52 59 26.4           ~ 4 0
98 CANDELS EGS F160W J142000.7+525915.6 G 14 20 00.70 +52 59 15.7           ~ 4 0
99 CANDELS EGS F160W J142001.5+525419.1 EmG 14 20 01.44 +52 54 19.3           ~ 5 0
100 CANDELS EGS F160W J142001.9+525226.9 G 14 20 01.852 +52 52 26.89           ~ 4 0
101 CANDELS EGS F160W J142002.3+525231.2 G 14 20 02.269 +52 52 31.18           ~ 4 0
102 CANDELS EGS F160W J142002.7+530049.5 G 14 20 02.691 +53 00 49.52           ~ 3 0
103 CANDELS EGS F160W J142002.7+530049.0 G 14 20 02.709 +53 00 48.97           ~ 3 0
104 CANDELS EGS F160W J142003.8+525856.7 G 14 20 03.85 +52 58 56.9           ~ 5 0
105 CANDELS EGS F160W J142005.7+525839.5 G 14 20 05.695 +52 58 39.54           ~ 3 0
106 CANDELS EGS F160W J142008.4+525400.6 G 14 20 08.375 +52 54 00.58           ~ 3 0
107 CANDELS EGS F160W J142009.3+525945.6 G 14 20 09.315 +52 59 45.59           ~ 3 0
108 CANDELS EGS F160W J142009.4+530010.0 G 14 20 09.384 +53 00 09.98           ~ 7 0
109 CANDELS EGS F160W J142010.2+525443.1 EmG 14 20 10.23 +52 54 43.2           ~ 6 0
110 CANDELS EGS F160W J142010.6+525355.5 EmG 14 20 10.608 +52 53 55.49           ~ 5 0
111 [FLB2024] CEERS-81037 EmG 14 20 10.68 +52 53 49.8           ~ 1 0
112 CANDELS EGS F160W J142010.8+525321.6 G 14 20 10.763 +52 53 21.60           ~ 3 0
113 CANDELS EGS F160W J142012.2+525323.9 G 14 20 12.182 +52 53 23.89           ~ 3 0
114 CANDELS EGS F160W J142013.1+525431.3 G 14 20 13.134 +52 54 31.28           ~ 3 0
115 [FLB2024] CEERS-68929 G 14 20 17.34 +52 55 31.2           ~ 1 0
116 CANDELS EGS F160W J142017.9+525640.8 G 14 20 17.92 +52 56 41.0           ~ 5 0
117 [FLB2024] CEERS-83784 G 14 20 19.27 +52 54 28.4           ~ 1 0
118 CANDELS EGS F160W J142020.7+525708.0 EmG 14 20 20.678 +52 57 07.98           ~ 5 0
119 CANDELS EGS F160W J142020.9+525629.6 EmG 14 20 20.925 +52 56 29.61           ~ 3 0
120 CANDELS EGS F160W J142027.3+525624.9 G 14 20 27.329 +52 56 24.86           ~ 3 0
121 CANDELS EGS F160W J142032.6+525910.1 G 14 20 32.57 +52 59 10.2           ~ 4 0
122 CANDELS EGS F160W J142032.7+525909.7 G 14 20 32.746 +52 59 09.66           ~ 3 0
123 CANDELS EGS F160W J142036.5+525826.6 EmG 14 20 36.491 +52 58 26.57           ~ 5 0

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