2023MNRAS.525.2241H

Query : 2023MNRAS.525.2241H

2023MNRAS.525.2241H - Mon. Not. R. Astron. Soc., 525, 2241-2286 (2023/October-3)

What causes the formation of discs and end of bursty star formation?

HOPKINS P.F., GURVICH A.B., SHEN X., HAFEN Z., GRUDIC M.Y., KURINCHI-VENDHAN S., HAYWARD C.C., JIANG F., ORR M.E., WETZEL A., KERES D., STERN J., FAUCHER-GIGUERE C.-A., BULLOCK J., WHEELER C., EL-BADRY K., LOEBMAN S.R., MORENO J., BOYLAN-KOLCHIN M. and QUATAERT E.

Abstract (from CDS):

As they grow, galaxies can transition from irregular/spheroidal with 'bursty' star formation histories (SFHs), to discy with smooth SFHs. But even in simulations, the direct physical cause of such transitions remains unclear. We therefore explore this in a large suite of numerical experiments re-running portions of cosmological simulations with widely varied physics, further validated with existing FIRE simulations. We show that gas supply, cooling/thermodynamics, star formation model, Toomre scale, galaxy dynamical times, and feedback properties do not have a direct causal effect on these transitions. Rather, both the formation of discs and cessation of bursty star formation are driven by the gravitational potential, but in different ways. Disc formation is promoted when the mass profile becomes sufficiently centrally concentrated in shape (relative to circularization radii): we show that this provides a well-defined dynamical centre, ceases to support the global 'breathing modes' that can persist indefinitely in less-concentrated profiles and efficiently destroy discs, promotes orbit mixing to form a coherent angular momentum, and stabilizes the disc. Smooth SF is promoted by the potential or escape velocity Vesc (not circular velocity Vc) becoming sufficiently large at the radii of star formation that cool, mass-loaded (momentum-conserving) outflows are trapped/confined near the galaxy, as opposed to escaping after bursts. We discuss the detailed physics, how these conditions arise in cosmological contexts, their relation to other correlated phenomena (e.g. inner halo virialization, vertical disc 'settling'), and observations.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): Galaxy: structure - galaxies: evolution - galaxies: formation - galaxies: general - ISM: structure - galaxies: star formation

Simbad objects: 96

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Number of rows : 96
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 MCG-03-01-015 G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 782 2
2 NGC 7814 GiG 00 03 14.947 +16 08 42.82   12.0       ~ 313 1
3 NGC 24 EmG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 269 1
4 MCG+06-01-019 LSB 00 13 50.90 +35 59 39.0   16.5       ~ 105 1
5 NGC 55 rG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 828 2
6 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
7 NGC 247 LSB 00 47 08.554 -20 45 37.44 10.11 9.61 9.10 8.87   ~ 480 2
8 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
9 NGC 289 Sy2 00 52 42.365 -31 12 20.99   11.36 13.44 10.38 11.4 ~ 256 0
10 NGC 300 GiG 00 54 53.4465638304 -37 41 03.168402396 8.83 8.69 8.13 7.46   ~ 1614 2
11 UGC 731 AG? 01 10 43.98 +49 36 07.9   17       ~ 103 0
12 MCG+04-05-005 LSB 01 45 32.251 +25 31 17.28   17       ~ 92 0
13 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
14 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 818 1
15 NGC 1090 AG? 02 46 33.9359016984 -00 14 49.627749660   12.3   12.1 12.4 ~ 178 0
16 Z 524-20 GiP 02 47 55.4194406880 +37 32 18.528735876   14.3   12.8   ~ 131 0
17 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
18 NGC 1167 LIN 03 01 42.3322774176 +35 12 20.300948892   13.84 12.77     ~ 382 1
19 ESO 116-12 EmG 03 13 04.746 -57 21 26.09   12.96   12.07 12.2 ~ 103 0
20 Z 526-12 AG? 03 53 02.4589142328 +35 35 22.174136556   14.4       ~ 152 0
21 Z 327-12 AG? 04 02 33.9170114400 +71 42 21.124283292   14.9       ~ 69 1
22 IC 356 AG? 04 07 46.8869589504 +69 48 44.715725208   13.3       ~ 161 1
23 NAME Cam B G 04 53 07.1 +67 05 57   16.71       ~ 79 0
24 MCG+05-12-002 AG? 04 56 14.8692530064 +30 03 08.201990520   16.0       ~ 71 0
25 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
26 Z 330-19 AG? 06 55 30.9694563864 +69 33 47.319499836   13.01 12.57 12.08 11.50 ~ 107 1
27 NGC 2366 H2G 07 28 52.4529 +69 12 38.859 12.25 11.86 11.39 11.33   ~ 801 0
28 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
29 Z 88-7 G 07 57 01.027 +14 23 47.66   16.0       ~ 161 0
30 IC 2233 LSB 08 13 58.909 +45 44 31.74 12.87 13.41 12.63 12.80   ~ 253 1
31 UGC 4305 IG 08 19 04.9864630512 +70 43 13.086910452 12.06 11.72 11.39 11.11   ~ 812 2
32 MCG-03-23-005 EmG 08 47 16.981 -20 02 08.38   13.5   12.47 12.7 ~ 96 1
33 NGC 2683 AGN 08 52 41.3064829584 +33 25 18.597681516 11.57 10.68 9.79 9.38   ~ 475 1
34 LEDA 86666 LSB 08 53 03.83 +18 26 09.4           ~ 81 0
35 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
36 NGC 2915 AG? 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 371 2
37 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
38 NGC 2976 GiG 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 712 1
39 NGC 2998 LIN 09 48 43.6305155160 +44 04 53.217027660   13.3       ~ 231 0
40 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
41 NGC 3198 EmG 10 19 54.990 +45 32 58.88 10.83 10.87 10.33     ~ 946 1
42 UGC 5716 AG? 10 31 43.26364 +25 18 27.3731   17       ~ 82 0
43 NGC 3274 EmG 10 32 17.2253817864 +27 40 07.165226244   13.30   12.77   ~ 261 0
44 Z 154-31 AG? 10 36 43.1428583040 +31 32 50.189204040   15.6   15.04   ~ 121 0
45 NGC 3521 EmG 11 05 48.5680991376 -00 02 09.245076540 10.06 9.83 9.02 10.1 9.6 ~ 879 2
46 LEDA 86674 LSB 11 26 19.08 +18 50 09.3           ~ 57 0
47 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
48 NGC 3741 AG? 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 237 0
49 NGC 3769 GiP 11 37 44.0727836208 +47 53 34.782808956   11.7       ~ 195 0
50 Z 268-71 GiC 11 42 26.309 +51 35 52.82   14.8       ~ 130 0
51 NGC 3877 GiG 11 46 07.782 +47 29 40.20   11.8       ~ 347 0
52 NGC 3900 GiP 11 49 09.4563144120 +27 01 19.276393872   12.5       ~ 202 0
53 NGC 3898 LIN 11 49 15.370 +56 05 03.66   11.7       ~ 329 1
54 NGC 3917 GiP 11 50 45.4481861760 +51 49 27.919475076   12.5       ~ 201 0
55 NGC 3972 GiG 11 55 45.09048 +55 19 14.6460   13.14   11.94   ~ 242 1
56 Z 243-32 EmG 11 57 17.3777198280 +49 17 00.669514488   14.2       ~ 140 0
57 M 109 GiG 11 57 35.9631479640 +53 22 29.006082336   10.94   9.57   ~ 483 0
58 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 447 1
59 NGC 4010 G 11 58 37.991 +47 15 40.72   13.1       ~ 164 0
60 IC 750 AGN 11 58 52.22547 +42 43 20.6540   12.7 12.17     ~ 190 1
61 Z 269-28 GiC 11 59 08.734 +52 42 28.03   14.5       ~ 182 0
62 NGC 4085 GiP 12 05 22.7304442992 +50 21 10.608113412   13.93 12.83     ~ 198 0
63 NGC 4088 AGN 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 428 1
64 Z 215-23 GiP 12 05 57.746 +43 08 36.08   14.40       ~ 123 1
65 NGC 4100 GiG 12 06 08.602 +49 34 56.32   11.7       ~ 269 0
66 Z 187-12 AG? 12 08 41.514 +36 48 08.27   14.7       ~ 89 0
67 NGC 4157 GiC 12 11 04.365 +50 29 04.85 12.48 12.15 11.35     ~ 373 2
68 NGC 4183 GiG 12 13 16.860 +43 41 53.77   13.5       ~ 213 0
69 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
70 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 667 1
71 NGC 4789A GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 614 1
72 MCG-03-33-030 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 135 0
73 IC 4202 EmG 13 08 31.5891545640 +24 42 02.857607676   15.2       ~ 113 0
74 NGC 5005 LIN 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 567 2
75 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 909 1
76 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
77 MCG+04-31-016 GiC 13 15 53.77848 +25 26 10.1328   17       ~ 124 0
78 NGC 5204 LSB 13 29 36.508 +58 25 07.43   11.84   11.37   ~ 494 0
79 ESO 444-84 GiC 13 37 19.99 -28 02 42.0 16.04 15.34 15.05 15.05 14.9 ~ 133 1
80 NGC 5289 GiP 13 45 08.7075916440 +41 30 12.218593392   14.09 13.09     ~ 149 0
81 NGC 5390 LIN 13 55 39.9385716624 +40 27 42.380606592   12.81 11.93 10.04   ~ 373 1
82 NGC 5533 Sy2 14 16 07.7507477232 +35 20 37.879981584   13.0       ~ 189 0
83 NGC 5585 GiG 14 19 48.204 +56 43 44.58   11.73 11.216 11.12 10.123 ~ 455 0
84 NGC 6015 AG? 15 51 25.2376583904 +62 18 36.233118396   11.69 11.14 10.61 10.08 ~ 254 0
85 LEDA 86657 LSB 15 57 27.483 +20 39 59.12           ~ 104 0
86 NGC 6503 LIN 17 49 26.4207792072 +70 08 39.604132176 11.56 10.95 10.28 9.92   ~ 551 1
87 NGC 6674 AG? 18 38 33.889 +25 22 30.39   13.7       ~ 119 0
88 Z 341-28 GiP 19 29 56.3064378840 +72 06 46.537706664   15.3       ~ 68 0
89 Z 304-5 LSB 20 24 00.6851855760 +60 11 41.414285040   14.5       ~ 77 0
90 LEDA 166192 LSB 20 30 32.9 +60 21 17   16.49       ~ 61 0
91 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
92 NGC 7217 LIN 22 07 52.3984675584 +31 21 33.632293572   12.94 11.92     ~ 511 0
93 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2
94 MCG-05-56-001 G 23 43 45.549 -31 57 24.37 14.55 14.03 13.73 13.63   ~ 162 1
95 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2
96 NAME Local Group GrG ~ ~           ~ 9325 0

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