2009MNRAS.397.1756D

Query : 2009MNRAS.397.1756D

2009MNRAS.397.1756D - Mon. Not. R. Astron. Soc., 397, 1756-1775 (2009/August-3)

Fourier photometric analysis of isolated galaxies in the context of the AMIGA project.

DURBALA A., BUTA R., SULENTIC J.W. and VERDES-MONTENEGRO L.

Abstract (from CDS):

We present here the results of a Fourier photometric decomposition of a representative sample of ∼100 isolated CIG galaxies (Catalog of Isolated Galaxies) in the morphological range Sb-Sc. This study is an integral part of the AMIGA (Analysis of the Interstellar Medium of Isolated Galaxies) project. It complements the photometric analysis presented in our previous paper for the same sample of disc galaxies by allowing a description of the spiral structure morphology. We also estimate dynamical measures like torque strength for bar and spiral, and also the total non-axisymmetric torque by assuming a constant mass-to-light ratio, and explore the interplay between the spiral and bar components of galaxies. Both the length (lbar) and the contrast (e.g. A2b) of the Fourier bars decrease along the morphological sequence Sb-Sbc-Sc, with bars in earlier types being longer and showing higher contrast. The bars of Sb galaxies are ∼three times longer than the bars in Sc types, consistent with our previous study. We find that the longer bars are not necessarily stronger (as quantified by the torque Qbmeasure), but longer bars show a higher contrast A2b, in very good agreement with theoretical predictions. Our data suggest that bar and spiral components are rather independent in the sense that the torque strengths of the two components are not correlated. The total strength Qg is a very reliable tracer of the bar strength measure Qb, the two quantities showing a very tight linear correlation. Comparison with a similar sample of disc galaxies (same morphological range) extracted from the OSUBGS (Ohio State University Bright Galaxy Survey) indicates that the isolated CIG/AMIGA galaxies host significantly longer Fourier bars and possibly show a different distribution of spiral torque Qs. The Fourier analysis also revealed a potential case of counterwinding spiral structure (KIG652/NGC5768), which deserves further kinematic study. We find that m = 2 (i.e. dominating two-armed pattern) is the most common spiral arm multiplicity among the sample of Sb-Sc CIG/AMIGA galaxies (∼40 per cent), m = 2 and 3 and m = 1 and 2 are found in ∼28 and ∼13 per cent of isolated galaxies, respectively.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): galaxies: evolution - galaxies: fundamental parameters - galaxies: general - galaxies: photometry - galaxies: spiral - galaxies: structure

VizieR on-line data: <Available at CDS (J/MNRAS/397/1756): table1.dat>

Simbad objects: 98

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Number of rows : 98
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 Z 382-35 EmG 00 14 31.872 -00 44 15.63   14.80   14.1 13.8 ~ 120 0
2 NGC 237 AGN 00 43 27.8628000144 -00 07 29.805209400   13.65 13.06 12.53 11.85 ~ 161 0
3 NGC 622 EmG 01 36 00.134 +00 39 48.14   13.96 13.30 12.71 12.00 ~ 123 0
4 MCG-07-04-033 AG? 01 45 10.7795726928 -41 52 47.945120124   14.90   13.92   ~ 34 0
5 Z 205-39 Sy2 07 23 33.2389466592 +41 26 05.594355096   15.30       ~ 83 0
6 Z 235-22 EmG 07 37 49.4269668384 +46 23 51.490006368   15.70       ~ 61 0
7 Z 177-45 EmG 07 44 36.4893718584 +38 02 39.904259676   15.70       ~ 24 0
8 Z 236-18 EmG 07 57 01.8519816768 +49 34 02.360995104   13.90       ~ 122 0
9 NGC 2503 EmG 08 00 36.6771128664 +22 24 00.214808004   15.00       ~ 54 0
10 NGC 2532 AG? 08 10 15.1864372560 +33 57 23.768999208   12.90       ~ 169 0
11 Z 207-46 EmG 08 14 22.070 +39 15 04.52   15.20       ~ 53 0
12 IC 2290 EmG 08 19 15.848 +19 18 47.56   15.20       ~ 35 0
13 IC 2288 EmG 08 19 22.3723721760 +23 44 50.118109260   15.50       ~ 54 0
14 Z 149-42 EmG 08 31 49.3802941512 +28 32 11.058892584   15.30       ~ 35 0
15 IC 509 EmG 08 32 03.5000114088 +24 00 39.206956464   14.60       ~ 77 0
16 Z 287-85 EmG 08 39 39.9152854488 +60 58 07.932014076   15.30       ~ 45 0
17 NGC 2651 AGN 08 43 55.1464200768 +11 46 15.530688048   15.50       ~ 29 0
18 NGC 2649 AG? 08 44 08.2654636584 +34 43 02.218776276   13.10       ~ 90 0
19 Z 120-41 EmG 08 50 23.5956788232 +25 57 14.699964600   15.40       ~ 57 0
20 NGC 2712 Sy2 08 59 30.4854395352 +44 54 50.079495852   12.30       ~ 194 0
21 NGC 2746 LIN 09 05 59.4452800488 +35 22 38.580407616   14.40       ~ 64 0
22 NGC 2761 GiC 09 07 30.82753 +18 26 05.7010   14.80       ~ 51 1
23 NGC 2776 AGN 09 12 14.531 +44 57 17.62   12.249 11.693 11.285 10.77 ~ 176 0
24 Z 288-29 G 09 22 38.1813317448 +60 51 55.602958356   14.90       ~ 42 0
25 Z 151-74 AGN 09 24 22.8811105008 +28 17 34.838230632   14.80       ~ 60 0
26 Z 238-52 AGN 09 25 30.98287 +45 31 57.8871   15.30       ~ 37 0
27 IC 2473 EmG 09 27 23.5144628784 +30 26 26.729245752   14.60       ~ 69 0
28 Z 265-22 EmG 09 30 11.755 +55 51 08.73   14.50       ~ 82 0
29 Z 63-15 LIN 09 35 21.768 +13 32 55.99   15.00       ~ 40 0
30 Z 35-37 EmG 09 42 31.4715631128 +07 05 56.347119060   14.70       ~ 33 0
31 Z 181-85 EmG 09 43 02.19286 +37 49 23.3025   14.90       ~ 54 0
32 Z 265-31 EmG 09 44 34.9720885920 +55 45 46.162635696   14.90       ~ 51 1
33 Z 265-32 EmG 09 44 47.0708463648 +51 41 19.349430072   15.00       ~ 34 0
34 Z 265-50 AGN 09 57 49.0861799184 +51 49 16.240637460   15.10       ~ 33 0
35 NGC 3107 AG? 10 04 22.4859051480 +13 37 16.959187200   13.60       ~ 63 0
36 NGC 3124 EmG 10 06 39.9100704816 -19 13 17.646034692   12.84   11.51 12.2 ~ 83 0
37 IC 2542 EmG 10 07 50.5274876376 +34 18 55.224841176   14.60       ~ 47 0
38 IC 594 AGN 10 08 31.9961592024 -00 40 00.681839652   14.70   13.848   ~ 61 0
39 Z 8-78 EmG 10 13 52.58171 +00 33 03.4044   15.00       ~ 40 1
40 Z 64-92 EmG 10 14 08.0609569920 +10 08 53.956529052   15.30       ~ 26 0
41 Z 124-14 EmG 10 22 00.366 +25 52 21.42   15.40       ~ 41 0
42 IC 605 Sy1 10 22 24.1299715056 +01 11 53.599617564   14.50       ~ 55 0
43 Z 65-78 AGN 10 39 45.322 +11 38 49.64   15.20       ~ 33 0
44 IC 651 LSB 10 50 58.3981928040 -02 09 01.346831064   12.90   13.7 13.4 ~ 66 0
45 Z 291-8 EmG 10 52 25.0917395712 +59 41 07.907070372   14.90       ~ 44 0
46 Z 95-106 EmG 11 05 00.564 +14 53 41.93   15.10       ~ 32 0
47 Z 125-31 GiC 11 09 00.623 +22 55 46.55   14.70       ~ 49 0
48 Z 12-33 AG? 11 35 36.859 +00 07 38.71   14.40       ~ 60 0
49 Z 12-46 EmG 11 38 33.2831331744 -01 11 04.411852152   14.602 13.915 13.411 12.776 ~ 80 0
50 Z 157-12 H2G 11 40 39.240 +28 51 50.02   15.10 14.56     ~ 46 0
51 Z 12-84 Sy2 11 47 43.6886188248 +01 49 34.442218128   17.89 17.16 13.762   ~ 67 0
52 Z 12-88 EmG 11 48 50.332 -02 01 57.14   14.70   13.8 13.6 ~ 79 0
53 Z 12-112 Sy1 11 52 43.4408209401 +01 44 26.800621709   14.40   13.618 14.2 ~ 87 0
54 Z 13-4 EmG 11 55 36.866 +01 14 14.43   13.623 13.011 12.508 11.890 ~ 123 0
55 Z 98-13 EmG 11 58 36.2400892536 +18 51 46.833005556   15.10       ~ 56 0
56 Z 292-73 AGN 12 09 45.2595712296 +56 31 24.948285888   14.30       ~ 45 0
57 Z 292-85 AGN 12 15 40.8169813488 +61 53 23.452658772   14.90       ~ 44 1
58 Z 215-67 AGN 12 21 39.1749546216 +40 50 55.982583852   13.863 13.190 12.673 12.059 ~ 76 0
59 Z 188-5 EmG 12 31 34.4492911536 +37 58 50.442007440   15.20       ~ 32 0
60 NGC 4622 Sy2 12 42 37.6277048064 -40 44 39.160537476   13.28 12.44 11.84   ~ 90 0
61 NGC 4662 SyG 12 44 26.1944883144 +37 07 16.360496112   14.10       ~ 82 0
62 NGC 4719 AGN 12 50 08.7205130448 +33 09 32.951412792   14.20       ~ 93 1
63 IC 3917 EmG 12 56 53.5423399176 +22 22 25.083197328   15.60       ~ 69 1
64 NGC 4964 AGN 13 05 24.8805382680 +56 19 22.168535376   14.00       ~ 52 0
65 NGC 5016 AGN 13 12 06.6662685192 +24 05 41.945286156   13.180 12.558 12.093 11.547 ~ 171 0
66 Z 101-21 EmG 13 19 01.8736769016 +14 47 27.481994340   15.30       ~ 39 0
67 Z 132-6 EmG 13 46 32.2144167360 +20 50 51.047291832   14.80       ~ 63 0
68 Z 162-63 LIN 14 07 55.3668025320 +29 52 21.900275796   15.20       ~ 48 0
69 NGC 5584 EmG 14 22 23.811 -00 23 14.82   12.80   12.0 11.8 ~ 298 0
70 NGC 5622 AGN 14 26 12.195 +48 33 50.31   14.105 13.440 12.948 12.412 ~ 92 0
71 IC 4452 EmG 14 32 27.4322653992 +27 25 38.657425260   14.90       ~ 49 0
72 Z 47-122 EmG 14 37 49.6107211992 +06 44 54.376364904   15.50       ~ 30 0
73 Z 273-20 EmG 14 38 38.266 +54 16 40.23   15.10       ~ 44 0
74 IC 1049 LIN 14 39 33.1231522872 +62 00 10.589431464   14.80       ~ 47 0
75 IC 1056 EmG 14 45 49.0381792104 +50 23 38.611458636   14.40       ~ 57 0
76 NGC 5768 Sy1 14 52 07.9533849360 -02 31 47.096307192   14.20   13.2 13.5 ~ 108 0
77 Z 106-20 AGN 15 12 24.9930944616 +18 38 48.222243960   15.20       ~ 32 0
78 Z 222-3 Sy2 15 21 32.9833543464 +39 12 02.733834492   15.30       ~ 64 0
79 Z 107-13 EmG 15 36 36.145 +17 20 18.23   15.00       ~ 34 0
80 NGC 6012 AG? 15 54 13.9048137432 +14 36 04.278408300   13.209 12.420 11.870 11.195 ~ 136 0
81 Z 167-6 LIN 15 57 27.9058244328 +30 03 35.468311464   14.730 13.874 13.344 12.636 ~ 63 0
82 Z 195-3 Sy1 15 59 09.6231720696 +35 01 47.561352852   15.69 15.06     ~ 346 0
83 Z 79-88 EmG 16 17 39.4963268328 +10 21 45.752998320   15.30       ~ 29 0
84 Z 138-32 AGN 16 31 21.5712563736 +22 41 49.451400708   15.30       ~ 40 0
85 Z 138-50 Sy2 16 39 30.7988316216 +21 19 00.980305644   15.10       ~ 57 0
86 Z 299-62 Sy1 17 14 09.0240072048 +58 49 06.139293924   19.43 18.34     ~ 47 0
87 Z 321-17 EmG 17 23 09.6052929168 +63 54 28.270288908   15.50       ~ 39 0
88 IC 1256 AG? 17 23 47.2869698760 +26 29 11.470994700   14.297 13.551 13.022 12.434 ~ 106 0
89 Z 253-40 G 17 56 03.5993036784 +49 01 42.191655096   15.50       ~ 20 0
90 LEDA 84885 Sy1 18 32 41.177 -34 11 27.46   15.63   13.66   ~ 142 1
91 Z 374-21 EmG 20 52 22.3765085040 +00 04 32.597711328   15.00       ~ 43 0
92 Z 426-41 EmG 21 20 21.11010 +10 19 14.1510   15.60       ~ 30 0
93 Z 426-49 EmG 21 23 22.1715122904 +10 07 59.624298552   15.50       ~ 32 0
94 Z 376-23 AG? 21 41 29.96 +00 53 40.7   14.71       ~ 52 1
95 Z 427-22 EmG 21 45 54.6731552472 +11 40 41.853745956   15.70       ~ 26 0
96 NGC 7138 G 21 49 01.0952604480 +12 30 51.192232056   15.40       ~ 47 0
97 Z 376-34 EmG 21 49 07.2983653296 +00 26 50.425681848   14.27   14.3 14.3 ~ 75 1
98 Z 377-19 Sy2 22 04 12.7225729488 -00 01 55.612551972   15.30       ~ 56 0

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