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1995•International Astronomical Union ColloquiumOpen access

The Temperature of the Supergiant α Per

Nancy Remage Evans, Terry J. Teays, Lyla L. Taylor, John B. Lester, Robert B. Hindsley

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Abstract

Abstract We compare observed fluxes from the ultraviolet (IUE) through J and K with recent Kurucz model atmospheres to determine a temperature for the F5 lb supergiant α Per. The two most important advances in this study as compared with previous work are the use of well calibrated ultraviolet fluxes and the use of models with an appropriate microturbulence.

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Abstract We compare observed fluxes from the ultraviolet (IUE) through J and K with recent Kurucz model atmospheres to determine a temperature for the F5 lb supergiant α Per. The two most important advances in this study as compared with previous work are the use of well calibrated ultraviolet fluxes and the use of models with an appropriate microturbulence.

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Available abstract

Abstract We compare observed fluxes from the ultraviolet (IUE) through J and K with recent Kurucz model atmospheres to determine a temperature for the F5 lb supergiant α Per. The two most important advances in this study as compared with previous work are the use of well calibrated ultraviolet fluxes and the use of models with an appropriate microturbulence.

Key concepts: Microturbulence, Supergiant, Ultraviolet, Astrophysics, Stellar atmosphere, Effective temperature, Physics, Atmospheric sciences

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