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Paper: The Variable Ca II Absorptions in β Pictoris
Volume: 321, Extrasolar Planets: Today and Tomorrow
Page: 327
Authors: Tobin, W.; Barnes, S.I.; Pollard, K.R.
Abstract: The circumstellar Ca II H & K lines in β Pictoris have been monitored from New Zealand since 1992 in order to confront the 'FEB' hypothesis for their variability. On one night the absorptions are evocative of a body crossing the stellar disc in a prograde equatorial orbit.
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