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Ultraviolet spectra of star-forming galaxies with time-dependent dust obscuration

Published online by Cambridge University Press:  26 May 2016

Lucimara P. Martins ,
Claus Leitherer  and
Daniela Calzetti
Lucimara P. Martins
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA Instituto de Astronomia, Geofísica e Ciências Atmosféricas, USP, Rua do Matão 1226, 05508-090 São Paulo, Brasil
Claus Leitherer
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
Daniela Calzetti
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA

Abstract

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We present a new approach to probe the properties of the most massive, ionizing stars with respect to the less massive, non-ionizing stars. The new technique utilizes stellar-wind lines, instead of the previously employed nebular lines. This allows us to probe the timescale of the dust dispersal in a very young obscured starburst from purely stellar diagnostics.

Type
Part 4. Feedback from Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 734 - 735
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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Leitherer, C., Calzetti, D., Martins, L. 2002, ApJ 574, 114.CrossRefGoogle Scholar