2004AJ....127.1900W

Query : 2004AJ....127.1900W

2004AJ....127.1900W - Astron. J., 127, 1900-1916 (2004/April-0)

H I observations of barred Magellanic spirals. II. The frequency and impact of companions.

WILCOTS E.M. and PRESCOTT M.K.M.

Abstract (from CDS):

The results of an H I 21 cm line survey of a sample of Magellanic spiral galaxies with apparent optical companions reveal that only four of 13 systems have confirmed H I-detected neighbors. The current interactions are affecting the morphology of the main galaxy in only two cases, NGC 3664 and NGC 3995. The presence of companions near NGC 2537 and UGC 5391 appears to have no effect on the morphology of those galaxies. Overall, there is little difference between the asymmetry of the H I profiles of those galaxies with and without companions, and on average, these Magellanic spirals have H I profiles that are no more asymmetric than a random sample of spirals in the field. We conclude that current interactions cannot be responsible for the lopsided morphology of most of the galaxies in this sample and that, whatever its original cause, lopsidedness must be a long-lived characteristic of these galaxies.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: ISM - Galaxies: Spiral

Nomenclature: Text: [WP2004] JHHMMSS+DDMMSS, [WP2004] JHHMMSS.s+DDMMSS.s, N=8.

Simbad objects: 38

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Number of rows : 38
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 536-16 LSB 01 04 01.17624 +41 50 39.4116   15.2       ~ 22 0
2 [WP2004] J030029+401533 G 03 00 29 +40 15.6           ~ 1 1
3 Z 540-21 GiC 03 00 37.4507758104 +40 15 04.446504036   15.0       ~ 29 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 NGC 2537 H2G 08 13 14.643 +45 59 23.25 12.18 12.50 11.69 11.66   ~ 314 2
6 NGC 2537A G 08 13 41.023 +45 59 37.47   16       ~ 27 1
7 IC 2233 LSB 08 13 58.909 +45 44 31.74 12.87 13.41 12.63 12.80   ~ 253 1
8 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
9 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
10 LEDA 29004 EmG 10 01 14.491 +37 04 11.11   15.5       ~ 16 0
11 IC 2530 GiP 10 01 31.0613330520 +37 12 14.180825952   15.0       ~ 31 0
12 Z 182-60 AG? 10 01 41.158 +37 14 51.69   14.9       ~ 46 0
13 NGC 3077 GiP 10 03 19.0965510921 +68 44 01.556166166 11.23 10.85 10.14 9.74   ~ 808 0
14 Z 290-66 LSB 10 44 23.153 +56 25 17.22   14.80       ~ 33 1
15 Z 290-67 AGN 10 44 38.2138889112 +56 22 10.822011312   15.1       ~ 38 0
16 NGC 3659 LSB 11 23 45.5379279312 +17 49 06.928386240   12.7       ~ 120 0
17 LEDA 1543532 G 11 23 49.7 +17 51 08           ~ 3 1
18 [WP2004] J112407+175113 G 11 24 07 +17 51.2           ~ 1 1
19 NGC 3664 GiP 11 24 24.258 +03 19 29.95   13.6       ~ 129 0
20 [WP2004] J113838+455804 G 11 38 38 +45 58.1           ~ 1 1
21 Z 242-72 AG? 11 40 05.7497793984 +45 56 31.750795896   14.6       ~ 87 0
22 Z 268-75 H2G 11 43 46.3861153440 +55 02 50.911991808   15.3       ~ 31 0
23 NGC 3846A LSB 11 44 14.8175213160 +55 02 05.800948656   14.2       ~ 90 0
24 NGC 3991 EmG 11 57 30.465 +32 20 03.00   13.8       ~ 163 1
25 NGC 3994 LIN 11 57 36.8662975416 +32 16 39.447161112   13.51 12.87     ~ 207 1
26 NGC 3995 GiG 11 57 44.09779 +32 17 38.6411   12.81       ~ 170 0
27 [WP2004] J115800+321600 G 11 58 00 +32 16.0           ~ 1 1
28 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
29 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
30 IC 3476 GiC 12 32 41.744 +14 03 05.81   13.5       ~ 221 0
31 IC 3478 GiG 12 32 44.1866400432 +14 11 46.256511372   15.0       ~ 60 1
32 NGC 4522 GiG 12 33 39.657 +09 10 29.54   13.6       ~ 396 0
33 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 344 2
34 NGC 4707 AG? 12 48 21.666 +51 09 53.81   15.2       ~ 113 0
35 [WP2004] J124927+511828 G 12 49 27 +51 18.5           ~ 1 1
36 Z 251-4 AG? 16 16 17.9000468088 +47 02 43.128874644   14.9       ~ 151 0
37 LEDA 101538 H2G 16 16 23.5420809528 +47 02 02.261620176   16.9       ~ 21 1
38 NGC 7421 EmG 22 56 54.3533970816 -37 20 50.437978152 12.61 12.64 11.93 11.71 12.1 ~ 127 1

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