Uncovering the nature of tidal tails in Palomar 14

Details Uncovering the nature of tidal tails in Palomar 14 Uncovering the nature of tidal tails in Palomar 14

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf..391v&link_type=abstract

SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-

Astronomy and Astrophysics

Astrophysics

Globular Clusters, Stellar Populations, Galaxy, Galactic Halo, Statistical Methods

Scientific paper

We have detected in deep CFHT images a pair of tidal tails extending over one degree around the distant globular cluster Palomar 14. Their characteristic S-shape and association with an extended power-law departure from the usual density profile makes this surprising detection unambiguous. We briefly discuss the mechanisms that could give rise to these tails at such large galactocentric distances and the implications for the nature of this globular cluster.

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