Javadi, A and van Loon, JT (2017) Monitoring pulsating giant stars in M33: star formation history and chemical enrichment. Frontiers In Theoretical And Applied Physics/UAE 2017 (FTAPS 2017), 869. ISSN 1742-6588

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We have conducted a near-infrared monitoring campaign at the UK InfraRed Telescope (UKIRT), of the Local Group spiral galaxy M33 (Triangulum). A new method has been developed by us to use pulsating giant stars to reconstruct the star formation history of galaxies over cosmological time as well as using them to map the dust production across their host galaxies. In first Instance the central square kiloparsec of M33 was monitored and long period variable stars (LPVs) were identified. We give evidence of two epochs of a star formation rate enhanced by a factor of a few. These stars are also important dust factories, we measure their dust production rates from a combination of our data with Spitzer Space Telescope mid-IR photometry. Then the monitoring survey was expanded to cover a much larger part of M33 including spiral arms. Here we present our methodology and describe results for the central square kiloparsec of M33 [1–4] and disc of M33 [5–8].

Item Type: Article
Additional Information: This is the final published version of the article (version of record). It first appeared online via IOP Publishing at - please refer to any applicable terms of use of the publisher.
Subjects: Q Science > QB Astronomy > QB460 Astrophysics
Divisions: Faculty of Natural Sciences > School of Chemical and Physical Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 19 Oct 2017 09:04
Last Modified: 20 Mar 2019 09:52

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