AFGL 2881 = V366 LAC - A carbon star with unusual light curve

Astronomy and Astrophysics – Astronomy

Scientific paper

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Carbon Stars, Light Curve, Infrared Astronomy, Near Infrared Radiation, Variable Stars, Stellar Spectrophotometry, Astronomical Photography

Scientific paper

Photographic red and near-IR and photoelectric near-IR observations, totally covering a time interval of 20 yr, are used to study long-term light variations of the carbon star AFGL 2881 = V366 Lac. Long period (P = 562.5 d) variations are shown to be superposed on the secondary variation with an unusually large amplitude of nearly 5 mag in the red light and a time scale of about 8 P.

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