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UV Observations of Giant Extragalactic H II Regions

Published online by Cambridge University Press:  30 March 2016

P. Benvenuti
P. Benvenuti*
Affiliation:
Astronomy Division ESTEC, IUE Satellite Tracking Station, Madrid, Spain

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UV observations of extragalactic H II regions were pioniered by the ANS Satellite which collected spectra of 30 Dor in the LMC (Koorneef 1977, 1978, Israel & Koorneef 1979), of NGC 604 in M 33 (Israel et al. 1982) and of the brightest regions in M 101 (Blitz et al. 1981). It was however the International Ultraviolet Explorer, IUE, which allowed to extend the UV spectroscopic observations to a larger number of giant H II complexes with a combination of spectral and spatial resolution and sensitivity not available before. It should be noted that IUE, together with the data on the extragalactic H II regions, has provided a wealth of UV spectra of all class of astrophysical objects. These archive data are easily accessible and being all processed and calibrated in the same way, represent a unique tool for the interpretation of a composite spectrum such as the one obtained from extragalactic H II regions. For this reason the present review mainly deals with new IUE data.

Type
Joint Commission Meetings
Information
Highlights of Astronomy , Volume 6: Highlights of Astronomy. As presented at the XVIIIth General Assembly of the IAU, 1982 , 1983 , pp. 631 - 635
Copyright
Copyright © Reidel 1983

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