The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not as Cool as We Thought

M. Levesque, Emily; Massey, Philip; Olsen, Knut; Plez, B.; Josselin, E.; Maeder, A.; Meynet, G.

doi:10.1086/430901

Public

The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not as Cool as We Thought

Published in The Astrophysical Journal • Jul 28, 2005

Authors:

Emily M. Levesque

Philip Massey

Knut Olsen

Abstract

We use moderate-resolution optical spectrophotometry and the new MARCS stellar atmosphere models to determine the effective temperatures of 74 Galactic red supergiants (RSGs). The stars are mostly members of OB associations or clusters with known distances, allowing a critical comparison with modern...

Subject

Physics

Astrophysics

Red supergiant

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