2016MNRAS.460.1106W


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST15:51:43

2016MNRAS.460.1106W - Mon. Not. R. Astron. Soc., 460, 1106-1118 (2016/July-3)

Characterizing uniform star formation efficiencies with marginally stable galactic discs.

WONG O.I., MEURER G.R., ZHENG Z., HECKMAN T.M., THILKER D.A. and ZWAAN M.A.

Abstract (from CDS):

We examine the H i-based star formation efficiency (SFE_{H I}), the ratio of star formation rate to the atomic hydrogen (H i) mass, in the context of a constant stability star-forming disc model. Our observations of H i-selected galaxies show SFE_{H I} to be fairly constant (log SFE_{H I}=-9.65 yr^-1 with a dispersion of 0.3 dex) across ∼5 orders of magnitude in stellar masses. We present a model to account for this result, whose main principle is that the gas within galaxies forms a uniform stability disc and that stars form within the molecular gas in this disc. We test two versions of the model differing in the prescription that determines the molecular gas fraction, based on either the hydrostatic pressure or the stellar surface density of the disc. For high-mass galaxies such as the Milky Way, we find that either prescription predicts SFE_{H I} similar to the observations. However, the hydrostatic pressure prescription is a more accurate SFE_{H I} predictor for low-mass galaxies. Our model is the first model that links the uniform SFE_{H I} observed in galaxies at low redshifts to star-forming discs with constant marginal stability. While the rotational amplitude V_max is the primary driver of disc structure in our model, we find that the specific angular momentum of the galaxy may play a role in explaining a weak correlation between SFE_{H I} and effective surface brightness of the disc.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: dwarf - galaxies: evolution - galaxies: formation - galaxies: ISM - galaxies: spiral - galaxies: structure - galaxies: structure

Simbad objects: 85

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Number of rows : 85

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 ESO 111-14 EmG 00 08 18.759 -59 30 56.28   14.43   13.39 13.8 ~ 24 0
2 NGC 45 LSB 00 14 03.989 -23 10 55.53 11.92 11.21 10.73 10.58 10.4 ~ 228 1
3 NGC 178 GiG 00 39 08.392 -14 10 22.25   13.6   13.4 13.1 ~ 62 0
4 IC 1574 G 00 43 03.82 -22 14 48.8 15.25 14.73 14.35 14.24 14.2 ~ 114 1
5 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 2931 2
6 UGCA 14 G 00 47 47.54 -09 53 58.3   14.1   13.88 14.4 ~ 47 0
7 ESO 540-31 G 00 49 49.3 -21 00 58 16.11 15.64 15.36 14.8 15.5 ~ 116 1
8 NGC 289 AGN 00 52 42.365 -31 12 20.99   11.36 13.44 10.38 11.4 ~ 201 0
9 NGC 625 AGN 01 35 04.632 -41 26 10.32 12.37 11.78 11.25 11.03 11.5 ~ 248 2
10 ESO 245-5 G 01 45 03.7 -43 35 52 13.45 12.92 12.63 12.51 12.8 ~ 121 1
11 ESO 154-23 G 02 56 50.4 -54 34 17   12.63   12.18 12.5 ~ 96 0
12 ESO 417-18 G 03 07 13.1809612872 -31 24 02.708489330   13.84   13.06 13.3 ~ 41 0
13 ESO 300-14 LSB 03 09 37.87 -41 01 49.7   13.12   12.10 12.8 ~ 61 0
14 ESO 357-7 EmG 03 10 24.35 -33 09 22.2   14.66   13.92 14.3 ~ 45 0
15 HIPASS J0317-37 EmG 03 17 28.1 -37 51 34           ~ 4 0
16 NGC 1311 G 03 20 06.946 -52 11 07.76 13.89 13.35 12.93 12.75 13.1 ~ 105 0
17 NGC 1337 G 03 28 05.959 -08 23 19.03   12.53   12.6 12.2 ~ 93 0
18 IC 1954 GiG 03 31 31.393 -51 54 17.54   12.14   11.15 11.8 ~ 97 0
19 IC 1959 GiG 03 33 12.576 -50 24 51.13 13.52 13.32 12.96 12.75 12.7 ~ 86 0
20 NGC 1448 GiG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 226 0
21 ESO 358-60 GiC 03 45 12.14 -35 34 15.3   15.86   15.46 16.6 ~ 59 0
22 IC 2000 GiG 03 49 07.6548649395 -48 51 29.792967441   12.90   11.78 12.6 ~ 61 0
23 ESO 249-26 EmG 03 54 12.9 -43 45 26   15.22 15.11 14.87 15.0 ~ 21 0
24 NGC 1487 GiP 03 55 46.5 -42 22 01   12.28 11.68 11.74 11.02 ~ 102 0
25 HIPASS J0355-40 EmG 03 56 05.3 -40 40 16           ~ 5 0
26 NGC 1515 EmG 04 04 02.6760862163 -54 06 00.510685440   11.96 11.03 10.48 11.2 ~ 110 0
27 NGC 1518 EmG 04 06 49.708 -21 10 21.42   12.20 11.84 11.19 12.0 ~ 87 0
28 ESO 359-24 EmG 04 10 57.47 -35 49 52.1   15.43   15.00 15.1 ~ 14 0
29 ESO 550-24 G 04 21 13.632 -21 50 46.07   12.75   11.95 12.3 ~ 54 0
30 NGC 1592 GiP 04 29 40.8451527995 -27 24 31.328719218 13.42 13.94 14.09 13.46 13.12 ~ 45 0
31 ESO 361-15 EmG 04 51 57.343 -33 10 45.46   13.71   12.72 13.0 ~ 44 0
32 NGC 1744 LSB 04 59 57.7384472572 -26 01 19.848876285 12.43 11.90 11.41 11.20 11.7 ~ 128 0
33 NGC 1792 EmG 05 05 14.454 -37 58 50.70   10.68 10.18 9.53 10.4 ~ 197 1
34 NGC 1800 G 05 06 25.737 -31 57 15.21 13.51 13.19 12.70 12.48 12.9 ~ 159 1
35 ESO 422-33 G 05 06 49.6 -27 39 29   14.45   13.80 13.8 ~ 25 0
36 NGC 1827 EmG 05 10 04.587 -36 57 36.87   13.26   12.03 12.7 ~ 53 0
37 ESO 305-17 G 05 15 00.47 -41 23 33.6   14.61   14.10 14.1 ~ 33 0
38 ESO 362-11 G 05 16 38.800 -37 06 09.07   13.05   11.78 12.5 ~ 75 0
39 IC 2135 GiG 05 33 12.894 -36 23 55.69   13.27   12.11 12.3 ~ 69 1
40 NGC 2915 G 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 300 2
41 UGCA 193 GiG 10 02 35.9 -06 00 49 15.70 15.16 14.74 14.55 14.3 ~ 65 0
42 IC 600 G 10 17 10.86 -03 29 54.0   13.3   13.5 13.5 ~ 38 0
43 NGC 3365 GiG 10 46 12.649 +01 48 47.95   13.0   13.0 12.9 ~ 89 0
44 ESO 569-14 G 10 51 24.093 -19 53 26.62   13.83   12.69 13.2 ~ 55 0
45 NGC 3521 LSB 11 05 48.5676206040 -00 02 09.228156576 10.06 9.83 9.02 10.1 9.6 ~ 696 2
46 2MASX J11070378-1736223 EmG 11 07 03.8093306929 -17 36 22.447023388   15.46   14.89 15.2 ~ 10 0
47 LEDA 33959 EmG 11 10 54.7 +01 05 34   15.7   15.5 15.8 ~ 18 0
48 MCG-01-29-023 EmG 11 27 43.6 -04 55 33   15.3   15.167 15.8 ~ 23 0
49 ESO 440-27 EmG 11 53 24.064 -28 33 11.39   13.19   12.11 12.5 ~ 56 0
50 NGC 4094 GiG 12 05 53.969 -14 31 35.24   12.1   17.80 11.8 ~ 63 0
51 UGC 7332 G 12 17 55.905 +00 26 11.10   14.8   14.7 16.6 ~ 39 0
52 NGC 4487 GiG 12 31 04.4737580846 -08 03 14.545380600   11.7   11.9 11.6 ~ 152 0
53 NGC 4504 GiG 12 32 17.4242792339 -07 33 48.942464109   12.1   11.31 12.3 ~ 111 0
54 NGC 4517 AGN 12 32 45.586 +00 06 54.14   11.1   11.1 10.6 ~ 238 1
55 UGCA 289 GiG 12 35 37.0 -07 52 41   13.3   13.3 13.0 ~ 36 0
56 UGCA 307 GiG 12 53 56.8 -12 06 15   14.0   14.2 14.1 ~ 41 0
57 UGC 8041 EmG 12 55 12.6508261211 +00 07 00.035345114   14.694   16.214 12.7 ~ 109 0
58 UGCA 320 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 98 0
59 NGC 4939 Sy2 13 04 14.3281622249 -10 20 22.316482221   14.81 13.80 10.92   ~ 263 1
60 NGC 5170 GiP 13 29 48.7692793063 -17 57 59.388785092   12.08 10.79 10.63 11.0 ~ 164 0
61 UGC 9215 EmG 14 23 27.1704739604 +01 43 34.400136631   13.16   12.555 13.0 ~ 91 1
62 UGCA 394 EmG 14 47 24.170 -17 26 44.05   13.3   12.47 12.8 ~ 63 0
63 NGC 5806 AGN 15 00 00.432 +01 53 28.56   12.40 11.70 10.94 11.6 ~ 238 1
64 SINGG HIPASS J1558-10 G 15 58 19.70 -10 32 08.2   15.8   15.8 15.6 ~ 8 0
65 IC 4951 G 20 09 31.2 -61 50 47 14.74 14.23 13.84 13.68 14.0 ~ 55 0
66 NGC 6925 EmG 20 34 20.566 -31 58 51.20   12.09 11.30 10.77 11.4 ~ 108 0
67 NGC 6943 G 20 44 33.743 -68 44 51.98   11.87 11.25 10.83 11.5 ~ 67 0
68 IC 5052 G 20 52 01.633 -69 11 35.93 12.83 12.20 11.66 11.40   ~ 137 0
69 NGC 7059 G 21 27 21.4561391519 -60 00 52.730304663   12.51 12.30 11.38 11.9 ~ 66 0
70 NGC 7064 G 21 29 02.3 -52 45 58 13.51 13.04 12.69 12.55 12.9 ~ 65 0
71 NGC 7083 GiG 21 35 44.6354652924 -63 54 10.200457416   11.93 11.04 10.81 11.5 ~ 172 0
72 NGC 7090 G 21 36 28.865 -54 33 26.35 12.35 11.60 11.05 10.82 11.2 ~ 138 0
73 IC 5176 G 22 14 55.928 -66 50 57.88   13.54   11.97 12.4 ~ 96 0
74 SINGG HIPASS J2217-42 G 22 16 54.8 -42 45 12           ~ 7 0
75 IC 5201 G 22 20 57.437 -46 02 09.06   11.53   10.71 11.7 ~ 101 0
76 MCG-01-57-015 G 22 34 54.7 -04 42 06   14.5   14.6 14.7 ~ 31 0
77 NGC 7314 Sy1 22 35 46.1969940596 -26 03 01.574026329   11.62 13.11 10.61 11.4 ~ 505 0
78 UGCA 433 G 22 39 08.8 -04 45 36   15.0   15.1 14.8 ~ 41 0
79 MCG-05-54-004 EmG 22 54 45.1737488479 -26 53 24.223578088   15.214   14.458 14.8 ~ 19 0
80 ESO 290-28 G 22 57 08.9 -42 48 18   14.30   13.57 13.9 ~ 34 0
81 NGC 7462 GiG 23 02 46.494 -40 50 06.71   12.07   11.27 12.1 ~ 86 0
82 ESO 347-17 GiG 23 26 56.4 -37 20 46 14.90 14.69 14.35 14.19 14.2 ~ 57 0
83 ESO 240-11 GiG 23 37 49.475 -47 43 38.60   13.05   11.69 12.3 ~ 105 1
84 ESO 348-9 G 23 49 23.2 -37 46 25   14.6   14.7 14.4 ~ 53 0
85 ESO 149-3 G 23 52 02.8 -52 34 44 15.48 15.10 14.89 14.84 14.9 ~ 65 0

    Equat.    Gal    SGal    Ecl

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2020.07.12-15:51:43

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