Is the escape velocity in star clusters linked to extended star formation histories? Using NGC 7252: W3 as a test case

The colour–magnitude diagrams of some intermediate-age (1–2 Gyr) star clusters show unexpectedly broad main-sequence turnoffs, raising the possibility that these clusters have experienced more than one episode of star formation. Such a scenario predicts the existence of an extended main-sequence tur...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2016-03, Vol.457 (1), p.809-821
Main Authors: Cabrera-Ziri, I., Bastian, N., Hilker, M., Davies, B., Schweizer, F., Kruijssen, J. M. D., Mejía-Narváez, A., Niederhofer, F., Brandt, T. D., Rejkuba, M., Bruzual, G., Magris, G.
Format: Article
Language:English
Subjects:
Accretion disks
Escape velocity
Field cameras
Photometry
Space telescopes
Spectral energy distribution
Star & galaxy formation
Star clusters
Star formation
Symbols
Ultraviolet astronomy
Velocity
Wide field planetary camera
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