2004MNRAS.351..339T

Query : 2004MNRAS.351..339T

2004MNRAS.351..339T - Mon. Not. R. Astron. Soc., 351, 339-346 (2004/June-2)

Neutral hydrogen absorption at the centre of NGC 2146.

TARCHI A., GREVE A., PECK A.B., NEININGER N., WILLS K.A., PEDLAR A. and KLEIN U.

Abstract (from CDS):

We present 1.4-GHz Hi absorption line observations towards the starburst in NGC 2146, made with the Very Large Array and the Multi-Element Radio-Linked Interferometer Network. The Hi gas has a rotating disc/ring structure with column densities between 6 and 18x1021 atom/cm2. The Hi absorption has a uniform spatial and velocity distribution, and does not reveal any anomalous material concentration or velocity in the central region of the galaxy which might indicate an encounter with another galaxy or a far-evolved merger. We conclude that the signs of an encounter causing the starburst should be searched for in the outer regions of the galaxy.

Abstract Copyright: 2004 RAS

Journal keyword(s): galaxies: individual: NGC 2146 - galaxies: ISM - galaxies: kinematics and dynamics - galaxies: starburst - radio lines: galaxies

Simbad objects: 12

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Number of rows : 12
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 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
2 7C 055201.39+394824.00 Bla 05 55 30.80561419 +39 48 49.1649683     18.30 17.5   ~ 527 2
3 NVSS J061024+780136 rG 06 10 24.27936963 +78 01 36.1956277           ~ 26 1
4 NGC 2146 AGN 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 765 2
5 6C 061543+820331 Bla 06 26 03.00623818 +82 02 25.5679443   17.5 17.5 18.52   ~ 165 1
6 NGC 2637 G 08 41 13.433 +19 41 28.10   15.05       ~ 9 0
7 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
8 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
9 NGC 3077 GiP 10 03 19.0965510921 +68 44 01.556166166 11.23 10.85 10.14 9.74   ~ 808 0
10 M 65 GiP 11 18 55.9084654776 +13 05 32.300703672   9.6       ~ 458 1
11 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
12 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2

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