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Improving Star Cluster Age Estimates in PHANGS-HST Galaxies and the Impact on Cluster Demographics in NGC 628
- 1.0583834 - ASÚ 2024 RIV US eng J - Journal Article
Whitmore, B. … Total 32 authors
Improving Star Cluster Age Estimates in PHANGS-HST Galaxies and the Impact on Cluster Demographics in NGC 628.
Monthly Notices of the Royal Astronomical Society. Roč. 520, č. 1 (2023), s. 63-88. ISSN 0035-8711. E-ISSN 1365-2966
Research Infrastructure: EU-ARC.CZ III - 90259
Keywords : galaxies * star clusters * star formation
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 4.8, year: 2022
Method of publishing: Limited access
https://doi.org/10.1093/mnras/stad098
We describe methods to correct the age-dating for old globular clusters, by first identifying candidates using their colours, and then reassigning ages and reddening based on a lower metallicity solution. We find that young 'Interlopers' can be identified from their Hα flux. CO (2-1) intensity or the presence of dust can also be used, but our tests show that they do not work as well.
Permanent Link: https://hdl.handle.net/11104/0351836
Number of the records: 1