RR Lyrae Survey of Tidally Distorted Globular Cluster Palomar 5 and its Surroundings

Details RR Lyrae Survey of Tidally Distorted Globular Cluster Palomar 5 and its Surroundings RR Lyrae Survey of Tidally Distorted Globular Cluster Palomar 5 and its Surroundings

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21724117m&link_type=abstract

American Astronomical Society, AAS Meeting #217, #241.17; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

We present results from a survey of RR Lyrae variable stars (RRLs) in the vicinity of tidally distorted globular cluster Palomar 5. The survey area covers approximately 90 square degrees and includes the northern and southern tidal tails of Pal 5, as well as the surrounding area. Lightcurves have been obtained from the LaSilla-QUEST survey and we have used them to determine the distances to the stars. Additionally, spectra for a subset of the RRLs have been acquired. For those stars, we use the radial velocity measurements to establish membership in Pal 5, its tails, and other streams that fall within our survey area.

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