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  An excess of massive stars in the local 30 Doradus starburst

Schneider, F. R. N., Sana, H., Evans, C. J., Bestenlehner, J. M., Castro, N., Fossati, L., et al. (2018). An excess of massive stars in the local 30 Doradus starburst. Science, 359, 69-71.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-CB34-C Version Permalink: https://hdl.handle.net/21.11116/0000-0005-CB35-B
Genre: Journal Article

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https://ui.adsabs.harvard.edu/abs/2018Sci...359...69S (Any fulltext)
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 Creators:
Schneider, F. R. N.1, Author
Sana, H.1, Author
Evans, C. J.1, Author
Bestenlehner, J. M.1, Author
Castro, N.1, Author
Fossati, L.1, Author
Gräfener, G.1, Author
Langer, N.1, Author
Ramírez-Agudelo, O. H.1, Author
Sabín-Sanjulián, C.1, Author
Simón-Díaz, S.1, Author
Tramper, F.1, Author
Crowther, P. A.1, Author
de Koter, A.1, Author
de Mink, S. E.1, Author
Dufton, P. L.1, Author
Garcia, M.1, Author
Gieles, M.1, Author
Hénault-Brunet, V.1, Author
Herrero, A.1, Author
Izzard, R. G.1, AuthorKalari, V.1, AuthorLennon, D. J.1, AuthorMaíz Apellániz, J.1, AuthorMarkova, N.1, AuthorNajarro, F.1, AuthorPodsiadlowski, Ph.1, AuthorPuls, J.1, AuthorTaylor, W. D.1, Authorvan Loon, J. Th.1, AuthorVink, J. S.1, AuthorNorman, C.1, Author more..
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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Free keywords: ASTRONOMY Astrophysics - Solar and Stellar Astrophysics Astrophysics - Astrophysics of Galaxies
 Abstract: The 30 Doradus star-forming region in the Large Magellanic Cloud is a nearby analog of large star-formation events in the distant universe. We determined the recent formation history and the initial mass function (IMF) of massive stars in 30 Doradus on the basis of spectroscopic observations of 247 stars more massive than 15 solar masses (M☉). The main episode of massive star formation began about 8 million years (My) ago, and the star-formation rate seems to have declined in the last 1 My. The IMF is densely sampled up to 200 M☉ and contains 32 ± 12% more stars above 30 M☉ than predicted by a standard Salpeter IMF. In the mass range of 15 to 200 M☉, the IMF power-law exponent is 1.90-0.26+0.37, shallower than the Salpeter value of 2.35.

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 Dates: 2018
 Publication Status: Issued
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Title: Science
Source Genre: Journal
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Pages: - Volume / Issue: 359 Sequence Number: - Start / End Page: 69 - 71 Identifier: -