نتایج جستجو برای: new products

تعداد نتایج: 2088413  

Journal: :Journal of Business & Economic Statistics 1999

Journal: :Journal of Public Economics 2004

2009
Nate Bastian Iraklis S. Konstantopoulos Bryan W. Miller

We present optical spectroscopy of 16 star clusters in the merging galaxies NGC 4038/39 (”The Antennae”) and supplement this dataset with HST imaging. The age and metallicity of each cluster is derived through a comparison between the observed Balmer and metal line strengths with simple stellar population models. We then estimate extinctions and masses using the photometry. We find that all but...

Journal: :SIAM Journal on Applied Mathematics 2017

Journal: :Ergodic Theory and Dynamical Systems 2009

Journal: :Journal of Inequalities and Applications 2013

Journal: :Bulletin of the Chemical Society of Japan 1936

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