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arxiv: 1605.00323 · v1 · pith:4K7QIZMJnew · submitted 2016-05-01 · 🌌 astro-ph.SR

The Pan-Pacific Planet Search V. Fundamental Parameters for 164 Evolved Stars

classification 🌌 astro-ph.SR
keywords parametersstarsconsistentevolvedfundamentalmsunpan-pacificplanet
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We present spectroscopic stellar parameters for the complete target list of 164 evolved stars from the Pan-Pacific Planet Search, a five-year radial velocity campaign using the 3.9m Anglo-Australian Telescope. For 87 of these bright giants, our work represents the first determination of their fundamental parameters. Our results carry typical uncertainties of 100 K, 0.15 dex, and 0.1 dex in $T_{\rm eff}$, $\log g$, and [Fe/H] and are consistent with literature values where available. The derived stellar masses have a mean of $1.31^{+0.28}_{-0.25}$ Msun, with a tail extending to $\sim$2 Msun, consistent with the interpretation of these targets as "retired" A-F type stars.

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  1. The Pan-Pacific Planet Search -- IX. A menagerie of companions orbiting evolved stars

    astro-ph.EP 2026-05 unverdicted novelty 4.0

    Resolves six speculative companions into one giant planet, one eccentric brown dwarf, two low-mass stars, and two stars with no detectable companions.