Computer Science
Scientific paper
Jul 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996hst..prop.6580c&link_type=abstract
HST Proposal ID #6580
Computer Science
Hst Proposal Id #6580 Galaxies &Amp, Clusters
Scientific paper
Wolf-Rayet (W-R) galaxies are a subset of starburst galaxiesobserved shortly after the onset of the star formation event,when a large number of the most massive stars have evolved tothe W-R stage. HST UV images of 17 of these galaxies, obtainedas part of Cycle 2, revealed that the O, B, and W-R stars inthe starbursts are clustered within intense, compact,starburst knots, now generally referred to as ``super starclusters''. We propose a detailed investigation, employingboth optical images and UV spectra, of the recently discoveredstarburst knots in the prototype W-R galaxy He 2-10. WFPCoptical images of this blue compact dwarf galaxy will yieldmagnitudes and colors, which can then be used to betterconstrain the burst ages, masses, and stellar populations, forthe individual starburst knots. GHRS UV spectra of thestarburst regions will be analyzed with a sophisticatedspectral synthesis code to determine the parameters of themassive star population directly from the observed spectralsignatures. The proposed observations will allow us toinvestigate the processes occurring during the earliest stagesof the starburst phenomenon.
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