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Cabrera-Ziri, I, Niederhofer, F, Bastian, N, Rejkuba, M, Balbinot, E, Kerzendorf, WE, Larsen, SS, Mackey, AD, Dalessandro, E, Mucciarelli, A, Charbonnel, C, Hilker, M, Gieles, M and Henault-Brunet, V (2016) No evidence for younger stellar generations within the intermediate-age massive clusters NGC 1783, NGC 1806 and NGC 411. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 459 (4). pp. 4218-4223. ISSN 0035-8711
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Abstract
Recently, Li et al. claimed to have found evidence for multiple generations of stars in the intermediate-age clusters NGC 1783, NGC 1806 and NGC 411 in the Large and Small Magellanic Clouds. Here we show that these young stellar populations are present in the field regions around these clusters and are not likely associated with the clusters themselves. Using the same data sets, we find that the background subtraction method adopted by the authors does not adequately remove contaminating stars in the small number Poisson limit. Hence, we conclude that their results do not provide evidence of young generations of stars within these clusters.
| Item Type: | Article |
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| Additional Information: | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. |
| Uncontrolled Keywords: | 0201 Astronomical And Space Sciences |
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Astrophysics Research Institute |
| Publisher: | OXFORD UNIV PRESS |
| Related URLs: | |
| Date Deposited: | 13 Apr 2017 12:12 |
| Last Modified: | 02 Aug 2022 14:15 |
| DOI or ID number: | 10.1093/mnras/stw966 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/6255 |
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