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Exploring the Sagittarius Stream With SEKBO Survey RR Lyrae Stars

Prior, Sayuri; Da Costa, Gary; Keller, Stefan

Description

A sample of RR Lyrae (RRL) variables from the Southern Edgeworth-Kuiper Belt Object survey in regions overlapping the expected position of debris from the interaction of the Sagittarius (Sgr) dwarf galaxy with the Milky Way (R.A. 20 and 21.5hr; distance = 16-21kpc) has been followed up spectroscopically and photometrically. The 21 photometrically confirmed type ab RRLs in this region have 〈[Fe/H]〉 = 〈1.79 〉 0.08 on our system, consistent with the abundances found for RRLs in a different portion...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/23077
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/704/2/1327

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