The age of the directly imaged planet host star k Andromedae determined from interferometric observations
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Jones, Jeremy; White, R. J; Quinn, S; Ireland, Michael; Boyajian, T; Schaefer, G; Baines, Ellyn
Description
κ Andromedae, an early-type star that hosts a directly imaged low-mass companion, is expected to be oblate due to its rapid rotational velocity (v sin i = ~162 km s⁻¹). We observed the star with the CHARA Array's optical beam combiner, PAVO, measuring its size at multiple orientations and determining its oblateness. The interferometric measurements, combined with photometry and this v sin i value are used to constrain an oblate star model that yields the fundamental properties of the star and...[Show more]
Collections | ANU Research Publications |
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Date published: | 2016-04-22 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/109183 |
Source: | The Astrophysical Journal |
DOI: | 10.3847/2041-8205/822/1/L3 |
Access Rights: | Open Access |
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01_Jones_The_Age_of_the_Directly_Imaged_2016.pdf | 564.16 kB | Adobe PDF |
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