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Know the Star, Know the Planet. V. Characterization of the Stellar Companion to the Exoplanet Host HD 177830
Lewis C. Roberts, Rebecca Oppenheimer, Justin R. Crepp +21
HD 177830 is an evolved K0IV star with two known exoplanets. In addition to the planetary companions it has a late-type stellar companion discovered with adaptive optics imagery. W…
Prime Focus Spectrograph for the Subaru telescope: massively multiplexed optical and near-infrared fiber spectrograph
Hajime Sugai, Naoyuki Tamura, Hiroshi Karoji +81
The Prime Focus Spectrograph (PFS) is an optical/near-infrared multifiber spectrograph with 2394 science fibers distributed across a 1.3-deg diameter field of view at the Subaru 8.…
Know The Star, Know the Planet. IV. A Stellar Companion to the Host star of the Eccentric Exoplanet HD 8673b
Lewis C. Roberts, Brian D. Mason, Christopher R. Neyman +28
HD 8673 hosts a massive exoplanet in a highly eccentric orbit (e=0.723). Based on two epochs of speckle interferometry a previous publication identified a candidate stellar compani…