1997A&A...326..915T

Query : 1997A&A...326..915T

1997A&A...326..915T - Astronomy and Astrophysics, volume 326915-918 (1997/10-3)

Effects of galaxy interaction on the Tully-Fisher relation: CO vs HI linewidths.

TUTUI Y. and SOFUE Y.

Abstract (from CDS):

We investigate effects of galaxy-galaxy interaction on the Tully-Fisher relation. The HI linewidth in interacting galaxies is significantly broader than the CO linewidth, and the HI to CO linewidth ratio is proportional to the strength of interaction. This provides different distances to galaxies measured by the Tully-Fisher relation with the CO and HI linewidths. Distances derived from the HI linewidths are 62% larger than those derived from the CO linewidths for strongly interacting galaxies, and 25% larger for weakly interacting galaxies. We argue that the CO-line Tully-Fisher relation will be more reliable to measure the distances of interacting galaxies as well as galaxies in rich clusters.

Abstract Copyright: ∼

Journal keyword(s): distance scale - galaxies: distances and redshifts - galaxies: interactions - galaxies: general - galaxies: ISM - radio lines: galaxies

Simbad objects: 23

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Number of rows : 23
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 NGC 520 AGN 01 24 35.07120 +03 47 32.6760 12.41 12.24 11.42     ~ 528 3
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
3 NGC 660 Sy2 01 43 02.350 +13 38 44.45   12.02 11.16     ~ 588 2
4 NGC 772 GiP 01 59 19.5557148984 +19 00 27.475677216 11.35 11.09 10.31 10.23 9.38 ~ 339 1
5 NGC 1961 LIN 05 42 04.6327819680 +69 22 42.411028872   11.73 10.99     ~ 362 3
6 NGC 2146 AGN 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 765 2
7 NGC 2798 GiG 09 17 22.95407 +41 59 58.9560 13.03 13.04 12.32     ~ 338 3
8 APG 283 PaG 09 17 26.99 +41 59 48.8   12.2       ~ 193 1
9 NGC 2976 GiG 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 712 1
10 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
11 NGC 3169 SyG 10 14 15.0379414272 +03 27 57.941639856   13.46 12.41     ~ 381 1
12 M 66 AGN 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1509 4
13 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
14 NGC 3893 GiG 11 48 38.207 +48 42 38.84   11.23 10.67     ~ 391 1
15 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
16 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
17 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
18 NGC 4088 AGN 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 428 1
19 NGC 4631 GiC 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1154 3
20 NGC 5054 Sy1 13 16 58.488 -16 38 05.46   11.3   10.36 10.7 ~ 203 1
21 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
22 NGC 5713 GiG 14 40 11.528 -00 17 21.16 11.88 11.84 11.20     ~ 421 2
23 NGC 6217 AGN 16 32 39.2100852960 +78 11 53.487076092   14.37 13.88     ~ 320 0

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