2015MNRAS.451.4114B

Query : 2015MNRAS.451.4114B

2015MNRAS.451.4114B - Mon. Not. R. Astron. Soc., 451, 4114-4125 (2015/August-3)

The empty ring galaxy ESO 474-G040.

BROSCH N., VAISANEN P., KNIAZEV A.Y. and MOISEEV A.

Abstract (from CDS):

We describe observations of the apparently empty ring galaxy ESO 474-G040 obtained with the Southern African Large Telescope. The observations, consisting of imaging, long-slit spectroscopy and Fabry-Pérot mapping of the H α line, allow determining the ring kinematics as well as estimating the metallicity of the ring and the stellar population composition in its various parts. We propose that the object could best be understood as being the result of a past merger of disc galaxies, which formed a gas ring that subsequently disrupted via the bead instability and is presently forming stars.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): galaxies: individual: ESO 474-G040 - galaxies: peculiar

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 MCG-06-02-022a EmG 00 37 41.1133192392 -33 42 58.515101748   19.26   18.52   ~ 314 1
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 ESO 474-32 AG? 00 50 50.4 -26 29 27   16.57 16.19     ~ 13 0
4 LEDA 759893 AG? 00 52 41.43 -27 05 42.4   18.014   17.289   ~ 5 0
5 MCG-05-03-011 EmG 00 53 43.453 -27 02 59.30   14.73 12.90 13.78   ~ 51 0
6 ESO 474-40 AG? 00 53 59.2945 -27 08 29.531   15.83   15.45   ~ 9 0
7 MCG-05-03-020 EmG 00 57 46.9455374760 -27 30 06.078979368   13.49 9.69 12.38 13.1 ~ 58 0
8 UGC 1775 IG 02 18 26.3987662656 +05 39 13.992328008   14.2       ~ 74 0
9 ESO 34-11 GiG 06 43 06.0683597256 -74 14 10.632037308 14.01 13.60 12.94 12.34   ~ 76 2
10 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
11 Klem 25 ClG 13 27 38.7 -40 54 04           ~ 6 0
12 NAME Hoag's Object G 15 17 14.4068658744 +21 35 07.856255652   15.8 15.1     ~ 57 0
13 NAME Leo Ring HI ~ ~           ~ 62 0

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