2002A&A...394..769G

Query : 2002A&A...394..769G

2002A&A...394..769G - Astronomy and Astrophysics, volume 394, 769-789 (2002/11-2)

Neutral hydrogen and optical observations of edge-on galaxies: Hunting for warps.

GARCIA-RUIZ I., SANCISI R. and KUIJKEN K.

Abstract (from CDS):

We present 21-cm HI line and optical R-band observations for a sample of 26 edge-on galaxies. The HI observations were obtained with the Westerbork Synthesis Radio Telescope, and are part of the WHISP database (Westerbork HI Survey of Spiral and Irregular Galaxies). We present HI maps, optical images, and radial HI density profiles. We have also derived the rotation curves and studied the warping and lopsidedness of the HI disks. 20 out of the 26 galaxies of our sample are warped, confirming that warping of the HI disks is a very common phenomenon in disk galaxies. Indeed, we find that all galaxies that have an extended HI disk with respect to the optical are warped. The warping usually starts around the edge of the optical disk. The degree of warping varies considerably from galaxy to galaxy. Furthermore, many warps are asymmetric, as they show up in only one side of the disk or exhibit large differences in amplitude in the approaching and receding sides of the galaxy. These asymmetries are more pronounced in rich environments, which may indicate that tidal interactions are a source of warp asymmetry. A rich environment tends to produce larger warps as well. The presence of lopsidedness seems to be related to the presence of nearby companions.

Abstract Copyright: ∼

Journal keyword(s): galaxies: kinematics and dynamics - galaxies: structure

Nomenclature: Table 7: [GSK2002] HHMMSS.s+DDMMSS N=2.

Simbad objects: 94

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Number of rows : 94
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 UGC 1281 LSB 01 49 31.71 +32 35 16.2   13.0       ~ 167 0
2 UGC 2459 AG? 03 00 36.786 +49 02 38.45   18       ~ 40 0
3 LEDA 2328690 G 03 02 25.7 +48 54 52           ~ 6 0
4 UGC 3137 AG? 04 46 16.976 +76 25 08.04   15.5       ~ 73 0
5 UGC 3909 AG? 07 36 58.79 +73 42 49.0   14.9       ~ 30 0
6 NGC 2537 AG? 08 13 14.643 +45 59 23.25 12.18 12.50 11.69 11.66   ~ 301 2
7 MCG+08-15-051 G 08 13 41.023 +45 59 37.47   16       ~ 25 1
8 IC 2233 LSB 08 13 58.909 +45 44 31.74 12.87 13.41 12.63 12.80   ~ 241 1
9 UGC 4777 EmG 09 06 40.561 +34 37 07.88   15.20       ~ 64 0
10 LEDA 82318 GiP 09 09 19.6 +33 07 19   17       ~ 12 0
11 NGC 2770 GiG 09 09 33.622 +33 07 24.29   12.1       ~ 263 0
12 LEDA 5065934 BiC 09 09 46.779 +33 08 34.68           ~ 7 1
13 SDSS J091001.72+325659.8 AG? 09 10 01.722 +32 56 59.81           ~ 6 1
14 CASG 10 G 09 12 52.9 +32 40 52   17       ~ 6 0
15 IC 2445 EmG 09 13 12.722 +31 48 33.44   15.2       ~ 18 0
16 UGC 5393 GiG 10 01 42.057 +33 08 11.07   14.9       ~ 42 0
17 UGC 5446 GiP 10 06 30.872 +32 56 46.96   15.3       ~ 38 0
18 NGC 3118 GiP 10 07 11.616 +33 01 40.35   14.4       ~ 64 0
19 UGC 5460 AG? 10 08 09.197 +51 50 40.25   13.9       ~ 53 0
20 LEDA 29522 AG? 10 08 57.982 +32 00 36.78   16       ~ 17 0
21 UGC 5479 AG? 10 10 09.665 +54 30 12.92   14.8       ~ 15 0
22 UGC 5482 AG? 10 10 16.474 +32 16 30.02   16.5       ~ 17 0
23 UGC 5983 AG? 10 52 16.7441632824 +36 35 40.255197540   17       ~ 27 0
24 NGC 3432 AG? 10 52 31.132 +36 37 07.60   11.81 11.67 11.29   ~ 299 1
25 Z 184-40 AG? 10 57 47.0075966640 +36 15 38.824306272   15.5 16     ~ 42 1
26 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 354 1
27 LEDA 2832077 G 11 00 39.955 +29 42 25.22           ~ 9 0
28 UGC 6102 AG? 11 01 48.340 +28 41 24.21   14.90       ~ 28 1
29 NGC 3510 LSB 11 03 43.356 +28 53 13.58   13.6       ~ 192 0
30 AGC 219369 G 11 03 51.4 +28 41 16           ~ 9 0
31 Mrk 36 SBG 11 04 58.298 +29 08 16.54   15.5 15.29     ~ 225 0
32 NGC 3600 GiG 11 15 51.980 +41 35 28.96   12.6       ~ 111 0
33 Mrk 1460 EmG 11 50 50.1094537992 +48 15 04.844817792   17.0       ~ 31 0
34 NGC 3949 GiG 11 53 41.7311041896 +47 51 31.401451476   10.9       ~ 335 1
35 NGC 3985 GiG 11 56 42.1288367760 +48 20 03.129462132   13.0       ~ 114 0
36 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 423 1
37 IC 749 GiP 11 58 34.0447608696 +42 44 02.528915820   13.4 12.52     ~ 132 0
38 NGC 4010 GiG 11 58 37.991 +47 15 40.72   13.1       ~ 153 0
39 IC 750 AGN 11 58 52.2 +42 43 21   12.7 12.17     ~ 175 1
40 UGCA 259 AG? 11 58 53.8415 +45 44 01.797   17       ~ 19 0
41 LEDA 3096090 AGN 12 02 58.331 +47 39 11.13   17.3 18.99 17.4   ~ 10 0
42 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2166 1
43 MAPS-NGP O-217-67378 G 12 03 26.8 +43 10 52           ~ 1 0
44 UGC 7089 GiP 12 05 57.746 +43 08 36.08   14.40       ~ 112 1
45 NGC 4096 GiG 12 06 01.161 +47 28 42.09   11.61   10.86   ~ 255 0
46 UGC 7094 LSB 12 06 10.774 +42 57 20.85   15.6       ~ 60 0
47 NGC 4111 GiP 12 07 03.1334091672 +43 03 56.345868252 12.07 11.63 10.74     ~ 335 1
48 NGC 4117 Sy2 12 07 46.1195809200 +43 07 34.818483864   14.04       ~ 167 1
49 NGC 4118 EmG 12 07 52.844 +43 06 40.26   15.7       ~ 23 0
50 UGC 7125 AG? 12 08 41.514 +36 48 08.27   14.7       ~ 83 0
51 UGC 7129 EmG 12 08 55.0537236360 +41 44 27.144544812   14.3       ~ 75 0
52 NGC 4138 Sy2 12 09 29.8011417048 +43 41 06.864140004 12.46 12.29 11.32 10.82   ~ 410 1
53 NGC 4143 LIN 12 09 36.0679174440 +42 32 03.031963368   13.04 12.08     ~ 233 0
54 NGC 4144 GiG 12 09 58.601 +46 27 25.85   12.17   11.50   ~ 244 0
55 UGC 7207 AG? 12 12 18.0234 +37 00 51.910   17       ~ 17 0
56 NGC 4183 GiG 12 13 16.860 +43 41 53.77   13.5       ~ 202 0
57 UGC 7257 AG? 12 15 02.955 +35 57 30.41   14.2       ~ 60 0
58 NGC 4242 GiG 12 17 30.1835103480 +45 37 09.508940220   11.37 10.83     ~ 269 1
59 UGC 7321 EmG 12 17 34.021 +22 32 23.35   14.07   13.21   ~ 264 0
60 Mrk 1471 GiP 12 18 39.138 +45 47 06.93   16.5       ~ 17 0
61 MCG+05-29-066 GiG 12 20 35.520 +30 47 48.72   15.0       ~ 24 0
62 UGC 7428 GiG 12 22 02.612 +32 05 45.42   14.3       ~ 43 0
63 NGC 4314 LIN 12 22 32.0223000912 +29 53 43.814812200 11.72 11.43 10.58     ~ 479 1
64 NGC 4359 GiG 12 24 11.060 +31 31 17.78   13.9       ~ 114 0
65 UGC 7678 LSB 12 32 00.403 +39 49 54.21   13.9       ~ 52 0
66 UGC 7719 GiG 12 34 00.540 +39 01 09.04   15.4       ~ 58 0
67 UGC 7751 LSB 12 35 11.596 +41 03 34.69   16.5       ~ 31 0
68 UGC 7774 LSB 12 36 22.716 +40 00 18.72   15.2       ~ 91 0
69 UGCA 290 IG 12 37 21.7 +38 44 28   17       ~ 70 1
70 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 329 2
71 NGC 4625 GiP 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 364 2
72 UGC 8181 GiC 13 05 24.629 +32 54 00.31   16.0       ~ 37 0
73 UGC 8246 GiP 13 10 04.501 +34 10 51.35   15.1       ~ 75 0
74 NGP9 F269-1340356 GiP 13 10 29.15 +34 14 12.7           ~ 3 0
75 UGC 8261 EmG 13 11 00.90 +35 30 09.0   16.0       ~ 24 0
76 IC 4213 GiG 13 12 11.217 +35 40 10.73   14.1       ~ 87 0
77 NGC 5023 EmG 13 12 11.8036148808 +44 02 17.328663600   13.2       ~ 256 0
78 UGC 8315 EmG 13 14 09.97 +39 08 43.6   15.6       ~ 20 0
79 Mrk 450 H2G 13 14 48.796 +34 52 53.18   14.9       ~ 87 0
80 NGC 5107 GiP 13 21 25.269 +38 32 10.96   13.7       ~ 89 0
81 NGC 5112 GiP 13 21 56.4456124272 +38 44 04.107988140   12.5       ~ 151 0
82 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4330 4
83 NGC 5195 GiP 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 778 3
84 Z 246-12 AG? 13 33 23.308 +49 06 12.95   15.11 14.78     ~ 49 0
85 NGC 5229 LSB 13 34 02.831 +47 54 55.68   14.6       ~ 141 0
86 NGC 5296 GiP 13 46 18.6480301296 +43 51 04.765848516   15.0       ~ 60 0
87 NGC 5297 GiP 13 46 23.694 +43 52 19.34   12.3       ~ 170 0
88 NGC 5301 GiG 13 46 24.60933 +46 06 26.6650   13.0       ~ 128 0
89 UGC 8733 EmG 13 48 39.119 +43 24 44.73   14.6       ~ 88 0
90 NGC 5336 GiG 13 52 09.8245015560 +43 14 34.498922100   13.6       ~ 57 0
91 UGC 8798 LSB 13 52 48.028 +43 49 40.56   16.0       ~ 15 0
92 Mrk 676 EmG 14 19 25.715 +39 51 26.45   16.0       ~ 20 0
93 NGC 5582 GiP 14 20 43.1108121696 +39 41 36.927369816   13.0       ~ 118 0
94 UGC 9242 GiG 14 25 21.152 +39 32 21.52   14.8       ~ 100 0

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