2014MNRAS.441.2754C

Query : 2014MNRAS.441.2754C

2014MNRAS.441.2754C - Mon. Not. R. Astron. Soc., 441, 2754-2759 (2014/July-1)

Constraining globular cluster formation through studies of young massive clusters - II. A single stellar population young massive cluster in NGC 34.

CABRERA-ZIRI I., BASTIAN N., DAVIES B., MAGRIS G., BRUZUAL G. and SCHWEIZER F.

Abstract (from CDS):

Currently there are two competing scenarios to explain the origin of the stellar population in globular clusters (GCs). The main difference between them is whether or not multiple events of star formation took place within GCs. In this paper, we present the star formation history (SFH) of Cluster 1, a massive young cluster in NGC 34 ( ∼ 107M☉). We use DynBaS (Dynamical Basis Selection), a spectrum fitting algorithm, to retrieve the SFH and find that Cluster 1 is consistent with a single stellar population of solar metallicity with an age of 100±30Myr and a mass of 1.9±0.4x107M☉. These results are in conflict with the expectations/predictions of the scenarios that invoke extended or multiple episodes within 30-100Myr of the initial star formation burst in young massive clusters.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): globular clusters: general - galaxies: star clusters: general - galaxies: star clusters: individual: NGC 34 Cluster 1

Simbad objects: 11

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Number of rows : 11
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-03-01-015 G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 782 2
2 NGC 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
3 [SS2007] 1 Cl* 00 11 06.997 -12 06 21.76   19.45 19.38   18.77 ~ 11 0
4 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
5 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
7 NAME IKN G 10 08 05.9 +68 23 57           ~ 82 0
8 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
9 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
10 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
11 M 52 OpC 23 24 47.2 +61 35 32           ~ 200 0

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