Compact Stellar Groups in the 30 Doradus Nebula and their Nebular Environment

Details Compact Stellar Groups in the 30 Doradus Nebula and their Nebular Environment Compact Stellar Groups in the 30 Doradus Nebula and their Nebular Environment

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7545w&link_type=abstract

HST Proposal ID #7545

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Hst Proposal Id #7545 Hot Stars And Stellar

Scientific paper

We propose to further knowledge of the stellar content of 30 Doradus by examining the images of all OB stars in a current, major ground-based spectral-classification study, using the archival WFPC2 {and possibly PC1} data. It is expected, and indeed already known in a few cases, that many of them will be compact multiple systems resolved by WFPC. It is essential to account for such structure in luminosity, mass, and evolutionary inferences. We shall derive the most accurate possible photometric results for the resulting components, and we shall propose spatially resolved HST spectroscopy of them in Cycle 8. It should be emphasized that we are not addressing R136, the subject of other programs, but the rich, massive population throughout the Nebula beyond the central core, especially to the north and west where there is evidence for a younger generation, whose formation was possibly triggered by the energetic activity of the core. In addition, preliminary inspection of some of the WFPC2 data has shown many intricate structures in the ambient dust and ionized gas, including possible pre-stellar objects, which we shall describe and relate to the associated stellar component and known IR sources as appropriate.

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