732 citations
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- Center for Astrophysics Harvard & SmithsonianUS18 papers
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4 papers · 1 filter
Using H-alpha Morphology and Surface Brightness Fluctuations to Age-Date Star Clusters in M83
Bradley C. Whitmore, Rupali Chandar, Hwihyun Kim +21
We use new WFC3 observations of the nearby grand design spiral galaxy M83 to develop two independent methods for estimating the ages of young star clusters. The first method uses t…
The Abundance of Boron in Diffuse Interstellar Clouds
A. M. Ritchey, S. R. Federman, Y. Sheffer +1
We present a comprehensive survey of boron abundances in diffuse interstellar clouds from observations made with the Space Telescope Imaging Spectrograph (STIS) of the Hubble Space…
A Comparison of Methods for Determining the Age Distribution of Star Clusters: Application to the Large Magellanic Cloud
Rupali Chandar, Bradley C. Whitmore, S. Michael Fall
The age distribution of star clusters in nearby galaxies plays a crucial role in evaluating the lifetimes and disruption mechanisms of the clusters. Two very different results have…
Detection of Star Formation in the Unusually Cold Giant Molecular Cloud G216
S. T. Megeath, E. Allgaier, E. Young +3
The giant molecular cloud G216-2.5, also known as Maddalena's cloud or the Maddalena-Thaddeus cloud, is distinguished by an unusual combination of high gas mass (1-6 x 10^5) solar…