2000A&AS..144..405P

Query : 2000A&AS..144..405P

2000A&AS..144..405P - Astron. Astrophys., Suppl. Ser., 144, 405-428 (2000/June-2)

Three-dimensional modelling of edge-on disk galaxies.

POHLEN M., DETTMAR R.-J., LUETTICKE R. and SCHWARZKOPF U.

Abstract (from CDS):

We present detailed three-dimensional modelling of the stellar luminosity distribution for the disks of 31 relatively nearby (≤110Mpc) edge-on spiral galaxies. In contrast to most of the standard methods available in the literature we take into account the full three-dimensional information of the disk. We minimize the difference between the observed 2D-image and an image of our 3D-disk model integrated along the line of sight. Thereby we specify the inclination, the fitting function for the z-distribution of the disk, and the best values for the structural parameters such as scalelength, scaleheight, central surface brightness, and a disk cut-off radius. From a comparison of two independently developed methods we conclude, that the discrepancies e.g. for the scaleheights and scalelengths are of the order of ≃10%. These differences are not due to the individual method itself, but rather to the selected fitting region, which masks the bulge component, the dust lane, or present foreground stars. Other serious limitations are small but appreciable intrinsic deviations of real disks compared to the simple input model. In this paper we describe the methods and present contour plots as well as radial profiles for all galaxies without previously published surface photometry. Resulting parameters are given for the complete sample.

Abstract Copyright: ∼

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

Simbad objects: 47

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Number of rows : 47
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 ESO 112-4 G 00 28 04.405 -58 06 11.02   15.93   14.69   ~ 29 0
2 ESO 150-14 EmG 00 36 37.6357264488 -56 54 23.820870420   14.95   13.84   ~ 26 0
3 ESO 113-6 G 01 01 35.024 -59 44 29.22   16.25   14.87   ~ 26 0
4 NGC 585 LIN 01 31 42.0986134608 -00 55 58.680941628   14.4       ~ 72 0
5 ESO 244-48 Sy2 01 39 08.971 -47 07 39.15   15.61   14.14   ~ 30 0
6 Z 503-26 LSB 01 49 31.71 +32 35 16.2   13.0       ~ 171 0
7 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
8 NGC 973 Sy2 02 34 20.101 +32 30 20.01   13.7   9.8   ~ 156 0
9 Z 347-18 GiG 05 39 37.108 +77 18 44.89   15.60       ~ 72 0
10 Z 308-14 GiG 06 14 47.499 +66 34 03.05   15.3       ~ 38 0
11 NGC 2424 LIN 07 40 39.2939840088 +39 13 59.879590860   13.9       ~ 85 0
12 IC 2207 Sy2 07 49 50.897 +33 57 44.14   15.4       ~ 70 0
13 MCG-03-24-001 Sy2 09 11 54.664 -20 07 00.82   14.39   13.03 13.0 ~ 68 0
14 MCG-05-25-010 Sy2 10 32 44.513 -28 36 35.93   14.42   12.77   ~ 85 0
15 ESO 319-26 AG? 11 30 19.805 -41 03 58.11   15.99   15.55 15.3 ~ 27 0
16 Z 98-79 GiC 12 10 36.954 +18 49 40.10   15.2       ~ 91 0
17 MCG-06-27-007 Sy1 12 11 42.089 -38 32 54.82   14.26   12.39   ~ 66 0
18 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1967 1
19 NGC 4835A EmG 12 57 13.154 -46 22 28.79   14.07   13.7 13.5 ~ 58 0
20 MCG-03-34-001 EmG 13 07 43.8901206168 -19 23 44.454972156   14.39   12.73   ~ 26 0
21 MCG-06-30-005 EmG 13 29 23.551 -34 16 16.82   14.25   12.82 12.9 ~ 60 1
22 NGC 5193A GiG 13 31 49.0844196408 -33 14 22.075019340   14.00   12.04 14.42 ~ 39 0
23 MCG-05-32-054 Sy2 13 38 01.4952144432 -33 31 10.112641572   14.57   12.76 13.12 ~ 34 0
24 MCG-05-33-020 Sy2 13 49 09.4328031288 -31 09 54.087502716   13.54   11.97 12.38 ~ 33 0
25 ESO 578-25 Sy2 14 08 15.5257260696 -20 00 19.862742168   14.94   13.68   ~ 24 0
26 ESO 446-18 Sy2 14 08 38.287 -29 34 19.34   14.91   13.48 14.87 ~ 67 0
27 MCG-04-33-050 GiG 14 08 55.12200 -26 56 56.6050   14.17   12.51 12.60 ~ 24 0
28 IC 4393 Sy2 14 17 48.951 -31 20 57.12   14.59   13.20 13.5 ~ 74 0
29 ESO 385-8 AG? 14 19 03.7 -34 51 12   15.38   13.95   ~ 36 0
30 MCG-03-38-034 AG? 14 58 03.0752849952 -19 23 28.198045320   15.62   14.45   ~ 33 0
31 ESO 583-8 G 15 57 50.4080837808 -22 29 39.192869940   16.69   15.02   ~ 31 0
32 Z 53-6 G 16 46 01.5528728448 +06 27 45.096745824   15.2       ~ 25 0
33 IC 4745 Sy2 18 42 35.9516701248 -64 56 34.541322072   13.89   12.17 13.1 ~ 43 0
34 NGC 6722 GiG 19 03 40.3875744312 -64 53 40.120010520   13.56   11.92   ~ 46 0
35 IC 4871 EmG 19 35 42.224 -57 31 09.30   14.03   12.73 13.2 ~ 68 0
36 ESO 461-6 AG? 19 51 55.50 -31 58 49.4   16.29   14.57   ~ 27 0
37 IC 4937 GiG 20 05 17.563 -56 15 22.32   14.91   13.41   ~ 44 0
38 ESO 528-17 EmG 20 33 20.654 -27 05 52.13   16.17   15.02   ~ 31 0
39 ESO 187-8 Sy2 20 43 24.932 -56 12 13.28   15.76   14.61   ~ 33 0
40 NGC 6948 EmG 20 43 29.1516017448 -53 21 23.866314840   13.79   12.36 12.7 ~ 43 0
41 MCG-05-51-010 EmG 21 42 32.6264821248 -29 22 02.642359620   14.67   13.28   ~ 34 1
42 ESO 189-12 EmG 21 55 38.884 -54 52 34.41   15.65   14.29   ~ 38 0
43 Z 377-8 G 21 58 07.332 +01 00 31.95   15.16   14.0 14.1 ~ 76 1
44 MCG-05-52-050 GiC 22 14 03.018 -26 56 15.77   14.21   13.00 13.4 ~ 87 0
45 IC 5199 Sy2 22 19 33.1904654112 -37 32 01.812307596   14.72       ~ 50 0
46 Z 406-21 GiG 23 13 13.1892394512 +06 25 49.174917348   14.8       ~ 86 0
47 MCG-04-54-015 EmG 23 14 54.258 -20 59 45.34   15.15       ~ 36 0

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