Spitzer Merger History and Shape of the Galactic Halo: The Distance to the Core of the Sagittarius Dwarf Galaxy from the Mid-Infrared Period-Luminosity Relation for RR Lyrae Variable Stars
Journal article published in 2017 by
Arvind Gupta,
Rachael Beaton 
,
Victoria Scowcroft ,
S.~R Majewski,
Team Smhash
,
Victoria Scowcroft ,
S.~R Majewski,
Team Smhash
