The Mira-based Distance to the Galactic Center
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Qin, Wenzer; Nataf, David M; Zakamska, Nadia; Wood, Peter; Casagrande, Luca
Description
Mira variables are useful distance indicators, due to their high luminosities and well-defined period-luminosity relation. We select 1863 Miras from SAAO and MACHO observations to examine their use as distance estimators in the Milky Way. We measure a distance to the Galactic center of R 0 = 7.9 ±0.3 kpc, which is in good agreement with other literature values. The uncertainty has two components of ∼0.2 kpc each: the first is from our analysis and predominantly due to interstellar extinction,...[Show more]
Collections | ANU Research Publications |
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Date published: | 2018 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/202775 |
Source: | The Astrophysical Journal |
DOI: | 10.3847/1538-4357/aad7fb |
Access Rights: | Open Access |
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01_Qin_The_Mira-based_Distance_to_the_2018.pdf | 1.28 MB | Adobe PDF |
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