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SMHASH: a new mid-infrared RR Lyrae distance determination for the Local Group dwarf spheroidal galaxy Sculptor
Type: Text
Year: 2018, 2018
Member of: FAU College Collections
Contributors: Alessia Garofalo, Andrew J. Monson, Barry F. Madore, Carl J. Grillmair, David Hendel, Gisella Clementini, Jillian R. Neeley, Judith G. Cohen, Kathryn V. Johnston, Massimo Marengo, Nitya Kallivayalil, Roeland van der Marel, Steven R. Majewski, Victoria Scowcroft, Wendy L. Freedman
Description: We present a new distance estimation for the Milky Way dwarf spheroidal satellite Sculptor
obtained from multi-epoch mid-infrared observations of RR Lyrae stars (RRLs). The 3.6 μm
observations have been acquired with the Infrared Array Camera onboard the Spitzer Space
Telescope as part of the SMHASH program. Mid-infrared light curves for 42 RRLs were
obtained, from which we measured Sculptor’… more
Full Text: MNRAS 481, 578–595 (2018) doi:10.1093/mnras/sty2222 Advance Access publication 2018 August 16 SMHASH: a new mid-infrared RR Lyrae distance determination for the Local Group dwarf spheroidal galaxy Sculptor 1 INAF-Osservatorio di Astrofisica e Scienza …