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We report the detection of a pair of degree-long tidal tails associated withthe globular cluster Palomar 14, using images obtained at the CFHT. We reveal apower-law departure from a King profile at large distances to the clustercenter. The density map constructed with the optimal matched filter techniqueshows a nearly symmetrical and elongated distribution of stars on both sides ofthe cluster, forming a S-shape characteristic of mass loss. This evidence maybe the telltale signature of tidal stripping in action. This, together with itslarge Galactocentric distance, imposes strong constraints on its orbit and/ororigin: i) it must follow an external orbit confined to the peripheral regionof the Galactic halo and/or ii) it formed in a satellite galaxy later accretedby the Milky Way.

Discovery of tidal tails around the distant globular cluster Palomar 14