Published in

Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 4(489), p. 5087-5097, 2019

DOI: 10.1093/mnras/stz2540

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Discrete star formation events in the central bar of the Small Magellanic Cloud

Journal article published in 2019 by A. Strantzalis, D. Hatzidimitriou, A. Zezas ORCID, V. Antoniou, S. Lianou, S. Tsilia
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Data provided by SHERPA/RoMEO

Abstract

ABSTRACT We present the results of the photometric analysis of a large part of the main body of the Small Magellanic Cloud. Using the 6.5m Magellan Telescope at the Las Campanas Observatory in Chile, we have acquired deep B and I images in four fields (0.44 deg each in diameter), yielding accurate photometry for 1068 893 stars down to 24th magnitude, with a spatial resolution of 0.20 arcsec per pixel. Colour–magnitude diagrams and (completeness-corrected) luminosity functions have been constructed, yielding significant new results that indicate at least two discrete star formation events over a period from 2.7 to 4 Gyr ago. Also, we have derived star formation rates as a function of look-back time and have found enhancements of SF between 4 and 6 Gyr and at younger ages.

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