Journal
ASTRONOMY & ASTROPHYSICS
Volume 578, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201525696
Keywords
catalogs; galaxies: individual: M 83; galaxies: stellar content; stars: massive; stars: evolution
Categories
Funding
- European Union (European Social Fund)
- National Resources under the ARISTEIA action of the Operational Programme Education and Lifelong Learning in Greece
- FONDECYT [1151445]
- Ministry of Economy, Development, and Tourism's Millennium Science Initiative [IC120009]
- National Aeronautics and Space Administration
- National Science Foundation
- NASA
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Aims. We present an analysis of archival Spitzer images and new ground-based and Hubble Space Telescope (HST) near-infrared (IR) and optical images of the field of M83 with the goal of identifying rare, dusty, evolved massive stars. Methods. We present point source catalogs consisting of 3778 objects from Spitzer Infrared Array Camera (IRAC) Band 1 (3.6 mu m) and Band 2 (4.5 mu m), and 975 objects identified in Magellan 6.5 m FourStar near-IR J and K-s images. A combined catalog of coordinate matched near- and mid-IR point sources yields 221 objects in the field of M83. Results. We find 49 strong candidates for massive stars which are very promising objects for spectroscopic follow-up. Based on their location in a B - V versus V - I diagram, we expect at least 24, or roughly 50%, to be confirmed as red supergiants.
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