2017MNRAS.469L.113K

Query : 2017MNRAS.469L.113K

2017MNRAS.469L.113K - Mon. Not. R. Astron. Soc., 469, L113-L117 (2017)

DDO 161 and UGCA 319: an isolated pair of nearby dwarf galaxies.

KARACHENTSEV I.D., MAKAROVA L.N., TULLY R.B., RIZZI L., KARACHENTSEVA V.E. and SHAYA E.J.

Abstract (from CDS):

We report Hubble Space Telescope/Advanced Camera for Surveys observations of two nearby gas-rich dwarf galaxies: DDO 161 and UGCA 319. Their distances determined via the tip of the red giant branch are 6.03–0.21+0.29 and 5.75 ± 0.18 Mpc, respectively. The galaxies form an isolated pair dynamically well separated from the nearest neighbours: KK 176 (7.28 ± 0.29 Mpc) and NGC 5068 (5.16 ± 0.21 Mpc). All four galaxies have a bulk spatial peculiar velocity towards the Virgo cluster of ∼158 ± 17 km s–1 in the Local Group rest frame and ∼330 km s–1 with respect to the cluster centre.

Abstract Copyright: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: distances and redshifts - galaxies: dwarf - galaxies: individual: DDO 161 - galaxies: individual: UGCA 319 - galaxies: individual: KK 176 - galaxies: individual: NGC 5068 - galaxies: stellar content

Simbad objects: 13

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Number of rows : 13
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 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
2 NAME Antlia B G 09 48 56.08 -25 59 24.0           ~ 41 0
3 Z 36-12 H2G 10 00 00.8217342072 +05 20 09.533389560 12.77 12.25 11.89 11.71   ~ 569 0
4 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
5 MCG-01-26-030 H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 789 2
6 NAME Leo P BiC 10 21 45.123 +18 05 16.89           ~ 268 0
7 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
8 [KK98a] 125717.1-190826 G 12 59 56.3 -19 24 47           ~ 13 0
9 MCG-03-33-027 GiP 13 02 14.39 -17 14 15.1 15.59 14.82 14.34 14.23   ~ 79 0
10 MCG-03-33-030 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 135 0
11 MCG-03-34-002 EmG 13 07 56.657 -16 41 20.75   14.7   13.99 14.2 ~ 40 0
12 NGC 5068 AG? 13 18 54.807 -21 02 20.76 11.24 10.53 10.01 9.78 10.1 ~ 354 0
13 NAME Local Group GrG ~ ~           ~ 9325 0

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