3 Old LMC Clusters: CMDs from HST Images

Details 3 Old LMC Clusters: CMDs from HST Images 3 Old LMC Clusters: CMDs from HST Images

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.7118j&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #71.18; Bulletin of the American Astronomical Society, Vol. 28, p.1365

Astronomy and Astrophysics

Astronomy

Scientific paper

We present color-magnitude diagrams (CMDs) for three old Large Magellanic Cloud globular clusters (GCs): NGC 1466, NGC 2257, and Hodge 11. The data are deep WFPC2 images in F555W (~ V) and F814W (~ I). Our photometry extends 3-4 magnitudes below the main sequence turnoff. These CMDs allow us to determine absolute and relative ages with the same techniques that are used for the Milky Way GCs. We investigate whether or not there is an age spread among the LMC clusters, and compare with the Milky Way GCs to see if there is an age difference between the two galaxies.

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