FBS 0137+400: A Mass-Losing AGB Carbon Mira?

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Mira Type Stars, Individual Stars, Fbs 0137+400, Mira Type Stars - Individual Stars - Fbs 0137+400

Scientific paper

The absolute K-band magnitude determined for the object FBS 0137+400 is typical for Asymptotic Giant Branch (AGB) carbon stars. The large J - K color index as well as large amplitude variability (K > 0.4) and the presence of H in the emission indicate also that this star is a mass-losing long-period Carbon Mira variable with thick circumstellar shell. The IRAS LRS spectrum indicates the presence of a dust shell surrounding this object. Monitoring of the K-band magnitude is necessary for the determination of the pulsation period of FBS 0137+400.

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