The Mass Function of Young Star Clusters in the ``Antennae'' Galaxies

Details The Mass Function of Young Star Clusters in the ``Antennae'' Galaxies The Mass Function of Young Star Clusters in the ``Antennae'' Galaxies

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.4715z&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #47.15; Bulletin of the American Astronomical Society, Vol. 31, p.1443

Astronomy and Astrophysics

Astronomy

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Scientific paper

We determine the mass function of young star clusters in the merging galaxies the ``Antennae'' (NGC 4038/39) from deep images taken with the WFPC2 on the refurbished Hubble Space Telescope (HST). This is accomplished by means of reddening-free parameters and a comparison with stellar population synthesis tracks to estimate the intrinsic luminosity and age and hence the mass of each cluster. We find that the mass function of the young star clusters (with ages ≲ 160 Myr) is well represented by a power law of the form ψ (M) M-2 over the range 104 ≲ M ≲ 106 Msun. This result may have important implications for our understanding of the origin of globular clusters during the early phases of galactic evolution. Support for this work was provided by NASA through grant number GO-07468 from STScI.

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