2012MNRAS.422..629H

Query : 2012MNRAS.422..629H

2012MNRAS.422..629H - Mon. Not. R. Astron. Soc., 422, 629-636 (2012/May-1)

Intermediate old star clusters in a young starburst: the case of NGC 5253.

HARBECK D., GALLAGHER III J. and CRNOJEVIC D.

Abstract (from CDS):

We investigate the star cluster population in the outer parts of the starburst galaxy NGC 5253 using archive images taken with the Hubble Space Telescope's Advanced Camera for Surveys. Based on the F415W, F555W and F814W photometry ages and masses are estimated for bona fide star cluster candidates. We find three potentially massive ( ≥ 105 M☉) star clusters at ages of the order of 1-2 Gyr, implying, if confirmed, a high global star formation rate in NGC 5253 during that epoch. This result underlines earlier findings that the current starburst is just one episode in a very active dwarf galaxy.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): galaxies: dwarfs - galaxies: groups: individual: NGC 5253 - galaxies: evolution - galaxies: starburst - galaxies: star clusters: general

Nomenclature: Fig. 1, Table 2: [HGC2012] NNN (Nos 1-29, 102-103).

Simbad objects: 5

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Number of rows : 5
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 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1192 1
2 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
3 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2778 2
4 NAME NGC 5236 Group GrG 13 37 06 -29 51.9           ~ 75 0
5 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4

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