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Recent Spectral Observations of Epsilon Aurigae in the Near-IR
2011
Proceedings of the International Astronomical Union
Preserved Fulltext
High resolution spectral observations of Aur were carried out in the near-IR spectral range. Observations were obtained with the Coudé-spectrograph of the 2m RCC telescope at National Astronomical Observatory Rozhen and cover all main phases of the current eclipse. Results revealed for the first time absorption components in O I and Ca II triplets and variations of N I lines. Estimation of the electron density was done using lines from the Paschen series of hydrogen.
doi:10.1017/s1743921311027062
fatcat:7w6vrr2cjjazpkbejrgkfqhpdi