The ACS LCID Project: RR Lyrae Stars as Tracers of Old Population Gradients in the Isolated Dwarf Spheroidal Galaxy Tucana

Bernard, Edouard J ; Gallart, Carme ; Monelli, Matteo ; Aparicio, Antonio ; Cassisi, Santi ; Skillman, Evan D ; Stetson, Peter B ; Cole, Andrew A ; Drozdovsky, Igor ; Hidalgo, Sebastian L ; Mateo, Mario ; Tolstoy, Eline

The Astrophysical journal, 2008-05, Vol.678 (1), p.L21-L24 [Periódico revisado por pares]

Chicago, IL: IOP Publishing

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