The origin of Segue 1

Niederste-Ostholt, M.; Belokurov, Vasily; Evans, N W; Gilmore, Gerard; Wyse, Rosemary F G; Norris, John

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The origin of Segue 1

Date

2009

Authors

Niederste-Ostholt, M.

Belokurov, Vasily

Evans, N W

Gilmore, Gerard

Wyse, Rosemary F G

Norris, John

Publisher

Blackwell Publishing Ltd

Abstract

We apply the optimal filter technique to Sloan Digital Sky Survey photometry around Segue 1 and find that the outer parts of the cluster are distorted. There is strong evidence for ∼1° elongations of extra-tidal stars, extending both eastwards and sout