Author： Gigoyan K.
Publisher： Springer Publishing Company
ISSN： 0571-7256
Source： Astrophysics, Vol.49, Iss.1, 2006-01, pp. : 78-82
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Abstract
Very red optical and IR-color indices indicate the presence of a dense circumstellar shell around object FBS 2213+421. The estimated total mass-loss rate is typical for dust-enshrouded oxygen-rich Asymptotic Giant Branch (AGB) Long-Period Mira-type variables. K-band monitoring is necessary to determine the pulsation period, the absolute bolometric luminosity, and the distance to this object.
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