Eclipsing Binaries in the Open Cluster Ruprecht 147. III. The Triple System EPIC 219552514 at the Main-sequence Turnoff
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Torres, Guillermo; Vanderburg, A.; Curtis, Jason L.; Kraus, A L; Rizzuto, Aaron C.; Ireland, Michael
Description
Spectroscopic observations are reported for the 2.75 day, double-lined, detached eclipsing binary EPIC 219552514 located at the turnoff of the old nearby open cluster Ruprecht 147. A joint analysis of our radial-velocity measurements and the K2 light curve leads to masses of ${M}_{1}={1.509}_{-0.056}^{+0.063}\,{M}_{\odot }$ and ${M}_{2}={0.649}_{-0.014}^{+0.015}\,{M}_{\odot }$ for the primary and secondary, along with radii of ${R}_{1}={2.505}_{-0.031}^{+0.026}\,{R}_{\odot }$ and...[Show more]
Collections | ANU Research Publications |
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Date published: | 2020 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/287060 |
Source: | The Astrophysical Journal |
DOI: | 10.3847/1538-4357/ab911b |
Access Rights: | Open Access |
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Torres_2020_ApJ_896_162.pdf | 2.17 MB | Adobe PDF |
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