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Stable and Unstable Regimes of Mass Accretion onto RW Aur A

Takami, Michihiro; Wei, Yu-Jie; Chou, Mei-Yin; Karr, Jennifer L.; Beck, Tracy L; Manset, Nadine; Chen, Wen-Ping; Kurosawa, Ryuichi; Fukagawa, Misato; White, Marc; Galván-Madrid, Roberto; Pyo, Tae-Soo


We present monitoring observations of the active T Tauri star RW Aur, from 2010 October to 2015 January, using optical high-resolution (R 10,000) spectroscopy with Canada–France–Hawaii Telescope/ESPaDOnS. Optical photometry in the literature shows bright, stable fluxes over most of this period, with lower fluxes (by 2–3 mag) in 2010 and 2014. In the bright period our spectra show clear photospheric absorption, complicated variation in the Ca II λ8542 emission profile shapes, and a large...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/820/2/139
Access Rights: Open Access


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