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20 April 2024 |
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The Massive Star Content of NGC 3603 | | Nicholas W. Melena
; Philip Massey
; Nidia I. Morrell
; Amanda M. Zangari
; | | Date: |
17 Dec 2007 | | Abstract: | We investigate the massive star content of NGC 3603, the closest known giant
H II region. We have obtained spectra of 26 stars in the central cluster using
the Baade 6.5-m telescope (Magellan I). Of these 26 stars, 16 had no previous
spectroscopy. We also obtained photometry of all of the stars with previous or
new spectroscopy, primarily using archival HST ACS/HRC images. We use these
data to derive an improved distance to the cluster, and to construct an H-R
diagram for discussing the masses and ages of the massive star content of this
cluster. | | Source: | arXiv, 0712.2621 | | Services: | Forum | Review | PDF | Favorites | |
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