HST-WFPC2 Observations of the Star Clusters in the Giant HII Regions of M33

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dc.creatorLee, Myung Gyoon
dc.creatorPark, Hong Soo
dc.creatorKim, Sang Chul
dc.creatorWaller, William H.
dc.creatorParker, Joel Wm.
dc.creatorMalumuth, Eliot M.
dc.creatorHodge, Paul W.
dc.date2001-09-17
dc.date.accessioned2026-07-07T01:59:59Z
dc.date.available2026-07-07T01:59:59Z
dc.descriptionWe present a photometric study of the stars in ionizing star clusters embedded in several giant HII regions of M33 (CC93, IC 142, NGC 595, MA2, NGC 604 and NGC 588). Our photometry are based on the HST-WFPC2 images of these clusters. Color-magnitude diagrams and color-color diagrams of these clusters are obtained and are used for estimating the reddenings and ages of the clusters. The luminosity functions (LFs) and initial mass functions (IMFs) of the massive stars in these clusters are also derived. The slopes of the IMFs range from Gamma = -0.5 to -2.1. It is found interestingly that the IMFs get steeper with increasing galactocentric distance and with decreasing [O/H] abundance.
dc.description3 pages, 2 figures, uses IAU207_pasp.sty and psfig.sty To appear in the proceedings of IAU Symp. 207, "Extragalactic Star Clusters", eds. E. Grebel, D. Geisler, and D. Minniti
dc.identifierhttps://arxiv.org/abs/astro-ph/0109258
dc.identifierhttp://arxiv.org/abs/astro-ph/0109258
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/3333
dc.subjectAstrophysics
dc.titleHST-WFPC2 Observations of the Star Clusters in the Giant HII Regions of M33
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