2019MNRAS.482.5362F


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.13CET15:17:43

2019MNRAS.482.5362F - Mon. Not. R. Astron. Soc., 482, 5362-5378 (2019/February-1)

Spiral structure in barred galaxies. Observational constraints to spiral arm formation mechanisms.

FONT J., BECKMAN J.E., JAMES P.A. and PATSIS P.A.

Abstract (from CDS):

A method, which we have developed for determining corotation radii, has allowed us to map in detail the radial resonant structures of barred spiral galaxies. Here, we have combined this information with new determinations of the bar strength and the pitch angle of the innermost segment of the spiral arms to find relationships between these parameters of relevance to the dynamical evolution of the galaxies. We show how (1) the bar mass fraction, (2) the scaled bar angular momentum, (3) the pitch angle, and (4) the shear parameter vary along the Hubble sequence, and we also plot along the Hubble sequence (5) the scaled bar length, (6) the ratio of bar corotation radius to bar length, (7) the scaled bar pattern speed, and (8) the bar strength. It is of interest to note that the parameters (2), (5), (6), (7), and (8) all show breaks in their behaviour at type Scd. We find that bars with high shear have only small pitch angles, while bars with large pitch angles must have low shear; we also find a generally inverse trend of the pitch angle with bar strength. An inference that at first seems counter-intuitive is that the most massive bars rotate most slowly but have the largest angular momenta. Among a further set of detailed results, we pick out here the 2:1 ratio between the number of spiral arms and the number of corotations outside the bar. These results give a guideline to theories of disc-bar evolution.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: fundamental parameters - galaxies: kinematics and dynamics - galaxies: spiral

Simbad objects: 79

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Number of rows : 79

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 NGC 23 G 00 09 53.411 +25 55 25.46   12.5       ~ 281 3
2 NGC 266 LIN 00 49 47.8140035156 +32 16 39.806744424 12.98 12.54 11.63     ~ 166 2
3 NGC 428 AGN 01 12 55.709 +00 58 53.69   12.1   12.0 12.1 ~ 204 0
4 NGC 672 GiP 01 47 54.4762706495 +27 25 57.994773107 12.04 11.60 11.09 10.81   ~ 246 0
5 NGC 697 GiG 01 51 17.568 +22 21 28.69   12.7       ~ 104 0
6 NGC 753 GiG 01 57 42.2042404499 +35 54 57.713274642   12.6   11.59   ~ 190 1
7 NGC 864 H2G 02 15 27.641 +06 00 09.43   12.00       ~ 199 1
8 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 681 1
9 IC 239 GiG 02 36 27.8261541832 +38 58 09.081767475   12.1   12.75   ~ 90 0
10 UGC 2855 H2G 03 48 20.731 +70 07 58.37   14.6       ~ 121 2
11 NGC 1530 G 04 23 27.102 +75 17 44.05   13.40       ~ 250 1
12 IC 2166 G 06 26 55.629 +59 04 48.39   12.68 12.01 11.45 10.86 ~ 66 0
13 UGC 3685 GiG 07 09 05.9239782981 +61 35 44.052450522   13.1       ~ 44 0
14 NGC 2342 H2G 07 09 18.089 +20 38 09.22   12.92 12.15     ~ 110 0
15 NGC 2336 GiP 07 27 04.050 +80 10 41.05   13.46 12.51     ~ 220 0
16 NGC 2276 IG 07 27 14.485 +85 45 16.20   12.3       ~ 337 0
17 IC 2199 GiG 07 34 55.748 +31 16 34.62   13.6       ~ 38 0
18 NGC 2500 LSB 08 01 53.1733310496 +50 44 13.606564536 11.98 12.20 11.62 11.34 10.85 ~ 169 1
19 NGC 2543 GiP 08 12 57.955 +36 15 16.23   12.70       ~ 126 1
20 NGC 2552 G 08 19 20.5356353358 +50 00 34.586263623 13.44 13.00 12.56     ~ 221 1
21 NGC 2595 H2G 08 27 41.986 +21 28 44.73   13.9       ~ 161 0
22 NGC 2649 G 08 44 08.2656842174 +34 43 02.219437503   13.10       ~ 69 0
23 NGC 2805 GiP 09 20 20.3890361599 +64 06 10.699751669   11.9       ~ 188 1
24 UGC 5228 GiG 09 46 03.651 +01 40 05.96   13.6   13.4 13.3 ~ 55 0
25 NGC 3041 AGN 09 53 07.1444444552 +16 40 39.577726669   13.1       ~ 112 0
26 NGC 3027 G 09 55 40.631 +72 12 12.84   12.3       ~ 95 0
27 NGC 3061 G 09 56 12.059 +75 51 59.57   13.90       ~ 55 0
28 NGC 3067 GiG 09 58 21.057 +32 22 11.97   12.7       ~ 222 1
29 NGC 3162 GiG 10 13 31.5928405755 +22 44 15.161785167   12.2       ~ 120 0
30 NGC 3147 Sy2 10 16 53.632 +73 24 02.34   11.43 10.61     ~ 415 2
31 NGC 3310 AGN 10 38 45.857 +53 30 11.89   12.45 12.15     ~ 721 1
32 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 338 1
33 NGC 3346 EmG 10 43 38.9310594539 +14 52 18.435855622   12.80       ~ 155 0
34 NGC 3433 G 10 52 03.827 +10 08 53.66   13.6       ~ 80 0
35 NGC 3430 GiP 10 52 11.415 +32 57 01.53   12.2       ~ 187 0
36 NGC 3504 LIN 11 03 11.191 +27 58 20.77   13.48 12.93     ~ 476 2
37 NGC 3596 H2G 11 15 06.2072163849 +14 47 13.281853556   12.01 11.49 10.99 10.45 ~ 165 0
38 NGC 3726 GiG 11 33 21.1357515876 +47 01 45.260627622   11.11   10.02   ~ 316 0
39 NGC 3893 GiP 11 48 38.207 +48 42 38.84   11.23 10.67     ~ 324 1
40 NGC 4045 AGN 12 02 42.261 +01 58 36.38   13.144   16.938 12.1 ~ 160 0
41 NGC 4145 GiP 12 10 01.524 +39 53 01.90   12.2       ~ 142 0
42 NGC 4242 GiG 12 17 30.1848324010 +45 37 09.511603113   11.37 10.83     ~ 217 1
43 M 61 Sy2 12 21 54.9275149050 +04 28 25.588335799 10.07 10.18 9.65     ~ 853 2
44 NGC 4559 H2G 12 35 57.6399424117 +27 57 35.859639262   10.46 10.01     ~ 522 1
45 NGC 4618 GiP 12 41 32.8926165605 +41 09 03.051998352 11.03 11.22 10.78     ~ 286 2
46 NGC 4635 EmG 12 42 39.2373002500 +19 56 43.030397857   13.597 12.995 12.571 12.082 ~ 106 0
47 NGC 4713 GiG 12 49 57.8808487310 +05 18 40.927534284   12.3       ~ 264 0
48 NGC 5112 GiP 13 21 56.4434846806 +38 44 04.107480132   12.5       ~ 132 0
49 NGC 5297 GiP 13 46 23.694 +43 52 19.34   12.3       ~ 138 0
50 NGC 5376 LIN 13 55 16.0361018326 +59 30 23.911532583   12.9       ~ 81 0
51 NGC 5430 EmG 14 00 45.820 +59 19 43.14   12.7       ~ 226 1
52 NGC 5585 GiG 14 19 48.204 +56 43 44.58   11.73 11.216 11.12 10.123 ~ 373 0
53 NGC 5678 AGN 14 32 05.5716657614 +57 55 17.157051439   12.10       ~ 203 1
54 NGC 5676 GiG 14 32 46.853 +49 27 28.11   11.7       ~ 228 1
55 NGC 5727 EmG 14 40 26.104 +33 59 20.75   14.20       ~ 50 2
56 NGC 5774 GiP 14 53 42.755 +03 34 56.07   13.9 12.94     ~ 135 1
57 NGC 5832 G 14 57 45.90 +71 40 53.5 13.43 12.80 12.26 11.96   ~ 100 1
58 NGC 5874 GiG 15 07 51.801 +54 45 09.76   14.1       ~ 78 0
59 NGC 5879 AGN 15 09 46.7282797389 +57 00 00.544806616   11.9       ~ 218 1
60 NGC 5970 GiP 15 38 29.982 +12 11 11.79   12.2       ~ 157 0
61 NGC 5985 SyG 15 39 37.0620220294 +59 19 55.246166585   15.24 14.22     ~ 212 0
62 NGC 6015 G 15 51 25.2390943459 +62 18 36.228262113   11.69 11.14 10.61 10.08 ~ 202 0
63 NGC 6140 G 16 20 58.162 +65 23 25.98   12.6       ~ 91 0
64 NGC 6217 AGN 16 32 39.2277115994 +78 11 53.468793359   14.37 13.88     ~ 275 0
65 NGC 6236 G 16 44 34.698 +70 46 48.96   12.7       ~ 58 0
66 NGC 6248 G 16 46 22.84 +70 21 18.2   14.1       ~ 49 0
67 NGC 6503 LIN 17 49 26.4206717057 +70 08 39.587370580 11.56 10.95 10.28 9.92   ~ 458 1
68 UGC 11124 LSB 18 07 27.63 +35 33 51.1   13.9       ~ 31 1
69 IC 1291 LSB 18 33 52.573 +49 16 42.86   14.2       ~ 41 1
70 NGC 6764 LIN 19 08 16.348 +50 55 59.14   15.00 14.32     ~ 268 1
71 NGC 6792 G 19 20 57.394 +43 07 56.57   13.4       ~ 44 0
72 UGC 11498 G 19 57 15.007 +05 53 25.39   14.6       ~ 28 0
73 UGC 11557 G 20 24 00.6832138248 +60 11 41.410920518   14.5       ~ 56 0
74 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2190 2
75 UGC 11861 G 21 56 24.148 +73 15 39.33   15.2       ~ 82 0
76 NGC 7177 LIN 22 00 41.250 +17 44 17.22   12.2       ~ 183 0
77 NGC 7440 GiG 22 58 32.5498250999 +35 48 08.726663640   14.6       ~ 44 1
78 NGC 7479 Sy2 23 04 56.668 +12 19 22.36 11.74 11.60 10.85 10.47 9.66 ~ 653 2
79 NGC 7741 GiP 23 43 54.375 +26 04 32.07 11.70 11.84 11.31     ~ 264 1

    Equat.    Gal    SGal    Ecl

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2019.12.13-15:17:43

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