Wide-Field JHKs Photometry of M5

Details Wide-Field JHKs Photometry of M5 Wide-Field JHKs Photometry of M5

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.2309p&link_type=abstract

American Astronomical Society Meeting 205, #23.09; Bulletin of the American Astronomical Society, Vol. 36, p.1382

Astronomy and Astrophysics

Astronomy

Scientific paper

Globular clusters are one of the best laboratories for studying stellar evolution due to their single-age single-metallicity nature. Up until this point, however, no wide-field infrared photometry has been available for globular clusters.
We present new JHKs photometry of the globular cluster M5 obtained with the Irénée du Pont 2.5m telescope and the WIRC camera at Las Campanas Observatory. This photometry covers an area of approximately 26x26 arcminutes, covering a large fraction of the tidal radius of the cluster and extends to a depth beyond the cluster's main sequence turn off.
Combined with optical data from Sandquist et al. (1996), this data provides BVIJHKs coverage over the central 16 arcminutes of the cluster. Using this data set it will be possible to refine stellar evolution codes, stellar atmosphere codes, and learn more about the properties of M5.
Funding in part by NASA LTSA grant NAG5-9225 to BC.

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