2022ApJ...931...51S

Query : 2022ApJ...931...51S

2022ApJ...931...51S - Astrophys. J., 931, 51-51 (2022/May-3)

The Compact Structures of Massive z ∼ 0.7 Post-starburst Galaxies in the ${\bf{SQuIGG}}\vec{{\boldsymbol{L}}}{\bf{E}}$ Sample.

SETTON D.J., VERRICO M., BEZANSON R., GREENE J.E., SUESS K.A., GOULDING A.D., SPILKER J.S., KRIEK M., FELDMANN R., NARAYANAN D., HALL-HOOPER K. and KADO-FONG E.

Abstract (from CDS):

We present structural measurements of 145 spectroscopically selected intermediate-redshift (z ∼ 0.7), massive (M* ∼ 1011M☉) post-starburst galaxies from the $SQuIGG\vec{L}E$ sample measured using wide-depth Hyper Suprime-Cam i-band imaging. This deep imaging allows us to probe the sizes and structures of these galaxies, which we compare to a control sample of star-forming and quiescent galaxies drawn from the LEGA-C Survey. We find that post-starburst galaxies systematically lie ∼0.1 dex below the quiescent mass-size (half-light radius) relation, with a scatter of ∼0.2 dex. This finding is bolstered by nonparametric measures, such as the Gini coefficient and the concentration, which also reveal these galaxies to have more compact light profiles than both quiescent and star-forming populations at similar mass and redshift. The sizes of post-starburst galaxies show either negative or no correlation with the time since quenching, such that more recently quenched galaxies are larger or similarly sized. This empirical finding disfavors the formation of post-starburst galaxies via a purely central burst of star formation that simultaneously shrinks the galaxy and shuts off star formation. We show that the central densities of post-starburst and quiescent galaxies at this epoch are very similar, in contrast with their effective radii. The structural properties of z ∼ 0.7 post-starburst galaxies match those of quiescent galaxies that formed in the early universe, suggesting that rapid quenching in the present epoch is driven by a similar mechanism to the one at high redshift.

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

Journal keyword(s): Post-starburst galaxies - Galaxy quenching - Galaxy evolution - Quenched galaxies - Galaxies

VizieR on-line data: <Available at CDS (J/ApJ/931/51): table1.dat table2.dat>

Simbad objects: 145

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Number of rows : 145
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 SDSS J000315.87-004555.9 G 00 03 15.87861 -00 45 55.9436           ~ 2 0
2 SDSS J001559.97-001435.0 G 00 15 59.97088 -00 14 35.0215           ~ 2 0
3 SDSS J001733.20-000557.9 G 00 17 33.21128 -00 05 57.8418           ~ 2 0
4 SDSS J002725.44+012957.9 G 00 27 25.44096 +01 29 57.9012           ~ 4 0
5 SDSS J003357.57-003731.5 G 00 33 57.577 -00 37 31.51           ~ 3 0
6 SDSS J010551.40+005324.0 G 01 05 51.401 +00 53 24.00           ~ 3 0
7 SDSS J010708.53+004634.9 G 01 07 08.535 +00 46 34.91           ~ 3 0
8 SDSS J012705.01+022915.0 G 01 27 05.01030 +02 29 15.0409           ~ 2 0
9 SDSS J013132.55+003438.8 G 01 31 32.557 +00 34 38.81           ~ 4 0
10 SDSS J013156.53+011151.5 G 01 31 56.534 +01 11 51.53           ~ 3 0
11 SDSS J013614.31+011230.6 G 01 36 14.316 +01 12 30.69           ~ 3 0
12 SDSS J013923.22+004151.0 G 01 39 23.22414 +00 41 51.0916           ~ 2 0
13 SDSS J014307.79+021214.6 G 01 43 07.798 +02 12 14.70           ~ 3 0
14 SDSS J014851.20+004728.8 G 01 48 51.20864 +00 47 28.8517           ~ 2 0
15 SDSS J015302.86-044648.4 G 01 53 02.86269 -04 46 48.4143           ~ 2 0
16 SDSS J015303.62-020735.5 G 01 53 03.62337 -02 07 35.5880           ~ 3 0
17 SDSS J015812.18-025038.1 G 01 58 12.18898 -02 50 38.1726           ~ 2 0
18 SDSS J020046.62-003204.0 G 02 00 46.621 -00 32 04.04           ~ 3 0
19 SDSS J020132.17-002935.5 G 02 01 32.17993 -00 29 35.5985           ~ 2 0
20 SDSS J020815.62-060441.2 G 02 08 15.62311 -06 04 41.2299           ~ 2 0
21 SDSS J020944.25-000659.3 rG 02 09 44.2622378784 -00 06 59.307628284           ~ 5 0
22 SDSS J021250.76-065634.5 G 02 12 50.76367 -06 56 34.5258           ~ 2 0
23 SDSS J021256.47-001250.6 G 02 12 56.47048 -00 12 50.6456     20.23     ~ 3 0
24 SDSS J021704.32-031219.7 G 02 17 04.32488 -03 12 19.7905           ~ 2 0
25 SDSS J021924.76-063546.6 G 02 19 24.76096 -06 35 46.6567           ~ 2 0
26 SDSS J022127.16-064643.8 G 02 21 27.16588 -06 46 43.7251           ~ 3 0
27 SDSS J022147.01+001017.9 G 02 21 47.013 +00 10 17.95     20.83     ~ 4 0
28 SDSS J022409.50-063039.8 G 02 24 09.50166 -06 30 39.8367           ~ 3 0
29 SDSS J022414.06-010527.8 G 02 24 14.0673999504 -01 05 27.910417128           ~ 4 0
30 SDSS J022430.45-003415.9 G 02 24 30.455 -00 34 15.97           ~ 4 0
31 SDSS J022442.73+001513.3 G 02 24 42.73597 +00 15 13.3112           ~ 3 0
32 SDSS J022603.86+001845.6 G 02 26 03.8646150960 +00 18 45.666500220           ~ 3 0
33 SDSS J022758.39-022548.0 G 02 27 58.38637 -02 25 48.1428           ~ 3 0
34 SDSS J022843.54-044632.7 G 02 28 43.53 -04 46 32.4           ~ 4 0
35 SDSS J022900.82-021951.0 G 02 29 00.823 -02 19 51.04           ~ 3 0
36 SDSS J023109.64+002046.4 G 02 31 09.6398530656 +00 20 46.530023460           ~ 3 0
37 SDSS J023250.39-033139.2 G 02 32 50.394 -03 31 39.24           ~ 4 0
38 SDSS J023359.33+005238.4 G 02 33 59.3258782248 +00 52 38.410226040           ~ 5 0
39 SDSS J023623.70+020758.8 G 02 36 23.71077 +02 07 58.9776           ~ 2 0
40 SDSS J023703.65+012324.0 G 02 37 03.65886 +01 23 24.0136           ~ 3 0
41 SDSS J023741.97+020117.9 G 02 37 41.977 +02 01 17.96           ~ 3 0
42 SDSS J024013.07-014839.5 G 02 40 13.075 -01 48 39.56           ~ 4 0
43 SDSS J024035.34+010106.9 G 02 40 35.34917 +01 01 06.9695           ~ 2 0
44 SDSS J084323.69+035025.8 BiC 08 43 23.692 +03 50 25.86           ~ 3 0
45 SDSS J084522.98+032907.7 G 08 45 22.98952 +03 29 07.7505           ~ 3 0
46 SDSS J085104.26+024431.8 G 08 51 04.268 +02 44 31.85           ~ 5 0
47 SDSS J090337.24+034910.3 G 09 03 37.244 +03 49 10.30           ~ 3 0
48 SDSS J090544.40+024434.1 G 09 05 44.40849 +02 44 34.1905           ~ 3 0
49 SDSS J090718.31+033551.0 G 09 07 18.31737 +03 35 51.0083           ~ 2 0
50 SDSS J090720.30+011145.2 G 09 07 20.302 +01 11 45.24           ~ 3 0
51 SDSS J090757.87+042303.3 G 09 07 57.87924 +04 23 03.3303           ~ 3 0
52 SDSS J090915.10+051226.8 G 09 09 15.10093 +05 12 26.9218           ~ 2 0
53 SDSS J090952.86-010805.6 G 09 09 52.86051 -01 08 05.6466           ~ 3 0
54 SDSS J091028.57+021833.5 G 09 10 28.57179 +02 18 33.5242           ~ 3 0
55 SDSS J091445.22+041017.5 G 09 14 45.228 +04 10 17.53           ~ 3 0
56 SDSS J091646.21+020214.4 G 09 16 46.21155 +02 02 14.4618           ~ 2 0
57 SDSS J093247.00-004801.3 G 09 32 47.006 -00 48 01.30           ~ 3 0
58 SDSS J093536.93+031138.7 G 09 35 36.930 +03 11 38.71           ~ 3 0
59 SDSS J093739.21-010927.0 G 09 37 39.21220 -01 09 27.0003           ~ 2 0
60 SDSS J094047.78-000819.0 G 09 40 47.785 -00 08 19.04           ~ 4 0
61 SDSS J095252.47-013909.0 BiC 09 52 52.473 -01 39 09.09           ~ 3 0
62 SDSS J100143.36-003218.9 G 10 01 43.36198 -00 32 18.9153           ~ 2 0
63 SDSS J101712.47-000341.5 G 10 17 12.477 -00 03 41.56           ~ 4 0
64 SDSS J101732.75+041340.5 G 10 17 32.754 +04 13 40.56           ~ 3 0
65 SDSS J101828.80+034329.4 G 10 18 28.803 +03 43 29.47           ~ 3 0
66 SDSS J102217.69-005850.9 G 10 22 17.696 -00 58 50.99           ~ 3 0
67 SDSS J102755.96+035859.4 G 10 27 55.96255 +03 58 59.4612           ~ 2 0
68 SDSS J103214.74+015254.0 G 10 32 14.74645 +01 52 54.0231           ~ 2 0
69 SDSS J103330.76-003819.7 G 10 33 30.76340 -00 38 19.7417           ~ 2 0
70 SDSS J103507.16-013802.8 G 10 35 07.16106 -01 38 02.8873           ~ 2 0
71 SDSS J104011.05+022329.9 G 10 40 11.05951 +02 23 29.9292           ~ 3 0
72 SDSS J104212.96+023131.0 G 10 42 12.95774 +02 31 31.0524           ~ 2 0
73 SDSS J104251.92+050038.9 G 10 42 51.92655 +05 00 38.9703           ~ 3 0
74 SDSS J110932.14-004003.8 Sy1 11 09 32.1459840912 -00 40 03.860193828     21.24     ~ 5 0
75 SDSS J111425.69+011555.1 G 11 14 25.69755 +01 15 55.1414           ~ 3 0
76 SDSS J113847.76+050817.0 G 11 38 47.764 +05 08 17.06           ~ 3 0
77 SDSS J114131.28-010905.2 G 11 41 31.284 -01 09 05.26           ~ 5 0
78 SDSS J114140.54-002137.7 G 11 41 40.5400749960 -00 21 37.701349200           ~ 5 0
79 SDSS J114208.93+000621.0 G 11 42 08.94 +00 06 21.0           ~ 5 0
80 SDSS J114426.71+042505.9 G 11 44 26.712 +04 25 05.97           ~ 3 0
81 SDSS J114839.04+020410.2 G 11 48 39.0501132744 +02 04 10.315508196           ~ 5 0
82 SDSS J115757.31+013215.1 G 11 57 57.31264 +01 32 15.1193           ~ 4 0
83 SDSS J121137.74+024025.3 G 12 11 37.74097 +02 40 25.3012           ~ 3 0
84 SDSS J121424.89-020054.0 G 12 14 24.89716 -02 00 54.0711           ~ 4 0
85 SDSS J121622.33-003523.0 G 12 16 22.33859 -00 35 23.0068           ~ 2 0
86 SDSS J121745.74+034715.7 G 12 17 45.74115 +03 47 15.7966           ~ 2 0
87 SDSS J122236.58+034242.1 G 12 22 36.58463 +03 42 42.1880           ~ 3 0
88 SDSS J122812.47+021923.7 G 12 28 12.474 +02 19 23.73           ~ 3 0
89 SDSS J123551.84+024613.9 G 12 35 51.85000 +02 46 13.9347           ~ 2 0
90 SDSS J124045.20-005706.9 G 12 40 45.2058837384 -00 57 06.935800716     22.38     ~ 5 0
91 SDSS J124359.97+020828.0 G 12 43 59.98472 +02 08 28.1149           ~ 2 0
92 SDSS J124400.46+024828.4 G 12 44 00.47243 +02 48 28.4852           ~ 3 0
93 SDSS J124403.84-022910.6 G 12 44 03.840 -02 29 10.67           ~ 3 0
94 NVSS J130759+045701 rG 13 07 59.43788 +04 57 01.6971           ~ 2 0
95 SDSS J133228.66+025601.1 G 13 32 28.66184 +02 56 01.1243           ~ 3 0
96 SDSS J134023.08+021744.2 G 13 40 23.0783688264 +02 17 44.251199160           ~ 3 0
97 SDSS J134338.93-004456.6 G 13 43 38.938 -00 44 56.61     20.91     ~ 4 0
98 SDSS J134629.25+021837.0 G 13 46 29.25089 +02 18 37.0186           ~ 2 0
99 SDSS J134725.89+032647.3 G 13 47 25.896 +03 26 47.35           ~ 3 0
100 SDSS J141430.87+432430.8 G 14 14 30.87554 +43 24 30.7252           ~ 2 0
101 SDSS J141600.19+025528.1 G 14 16 00.199 +02 55 28.14           ~ 5 0
102 SDSS J141829.75+425521.9 G 14 18 29.75921 +42 55 21.9606           ~ 2 0
103 SDSS J141857.31+035950.6 G 14 18 57.31703 +03 59 50.6647           ~ 2 0
104 SDSS J142355.63-012859.9 G 14 23 55.63468 -01 28 59.9791           ~ 2 0
105 SDSS J143026.57+440232.3 G 14 30 26.57150 +44 02 32.3690           ~ 2 0
106 SDSS J143639.92+044745.4 BiC 14 36 39.928 +04 47 45.48           ~ 4 0
107 SDSS J143744.56+031130.0 G 14 37 44.5662031968 +03 11 30.138278928           ~ 5 0
108 SDSS J143819.49-022236.3 G 14 38 19.52378 -02 22 36.0387           ~ 4 0
109 SDSS J144324.77+013434.3 G 14 43 24.77133 +01 34 34.3952           ~ 3 0
110 SDSS J144407.74-000622.7 G 14 44 07.74200 -00 06 22.7362           ~ 3 0
111 SDSS J144554.30+444046.1 G 14 45 54.32122 +44 40 46.1919           ~ 2 0
112 SDSS J144920.87+020606.8 G 14 49 20.88164 +02 06 06.8963           ~ 3 0
113 SDSS J145017.16+034314.7 G 14 50 17.16275 +03 43 14.7009           ~ 2 0
114 SDSS J145543.61-004833.1 G 14 55 43.61769 -00 48 33.1158     21.00     ~ 5 0
115 SDSS J145837.82+424702.4 G 14 58 37.82833 +42 47 02.4848           ~ 2 0
116 SDSS J150101.47+424620.4 G 15 01 01.46603 +42 46 20.4128           ~ 2 0
117 SDSS J150403.38+001629.0 G 15 04 03.380 +00 16 29.07           ~ 3 0
118 SDSS J161846.18+435145.0 G 16 18 46.18512 +43 51 44.9964           ~ 3 0
119 SDSS J162406.48+441454.8 G 16 24 06.48712 +44 14 54.8998           ~ 2 0
120 SDSS J164148.16+422540.2 G 16 41 48.16307 +42 25 40.2727           ~ 2 0
121 SDSS J164252.00+430748.2 G 16 42 52.00797 +43 07 48.2456           ~ 2 0
122 SDSS J220224.29-003334.4 G 22 02 24.2948667960 -00 33 34.415080416           ~ 7 0
123 SDSS J220235.80-001235.1 G 22 02 35.805 -00 12 35.17           ~ 3 0
124 SDSS J220244.66+070355.1 G 22 02 44.663 +07 03 55.17           ~ 3 0
125 SDSS J220434.97+024229.9 G 22 04 34.974 +02 42 29.98           ~ 3 0
126 SDSS J220500.24+025749.2 G 22 05 00.246 +02 57 49.29           ~ 3 0
127 SDSS J220650.38+002549.8 G 22 06 50.389 +00 25 49.85           ~ 3 0
128 SDSS J220711.55-011656.5 G 22 07 11.55153 -01 16 56.5138           ~ 2 0
129 SDSS J220940.83+041928.2 G 22 09 40.838 +04 19 28.29           ~ 3 0
130 SDSS J221349.12-005000.3 G 22 13 49.12529 -00 50 00.3432           ~ 3 0
131 SDSS J222049.47-011349.4 G 22 20 49.47319 -01 13 49.4107           ~ 2 0
132 SDSS J223240.72+000753.8 G 22 32 40.72231 +00 07 53.8424           ~ 3 0
133 SDSS J224137.75+002504.5 G 22 41 37.75118 +00 25 04.5194           ~ 2 0
134 SDSS J224619.16+032702.4 G 22 46 19.16714 +03 27 02.4223           ~ 2 0
135 SDSS J225459.25-004226.5 G 22 54 59.25510 -00 42 26.5032     21.76     ~ 3 0
136 SDSS J225652.42+021252.4 G 22 56 52.423 +02 12 52.43           ~ 3 0
137 SDSS J230058.65+013533.3 G 23 00 58.65240 +01 35 33.3645           ~ 2 0
138 SDSS J230159.17+004818.3 G 23 01 59.17852 +00 48 18.3335           ~ 2 0
139 SDSS J230937.76-001532.6 G 23 09 37.766 -00 15 32.64           ~ 3 0
140 SDSS J231023.37-004755.1 G 23 10 23.37658 -00 47 55.1570     20.48     ~ 4 0
141 SDSS J231512.29+010534.8 G 23 15 12.28456 +01 05 34.7971           ~ 2 0
142 SDSS J232105.03+013937.4 G 23 21 05.03667 +01 39 37.4247           ~ 2 0
143 SDSS J232343.85+000931.0 G 23 23 43.85213 +00 09 31.0844     20.60     ~ 3 0
144 SDSS J233450.36-010434.6 G 23 34 50.367 -01 04 34.67           ~ 3 0
145 SDSS J234614.77-002750.4 G 23 46 14.77960 -00 27 50.4830           ~ 2 0

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