K I 7699 A emission from the Betelgeuse shell

• 1 December 1976
• journal article
• Published by American Astronomical Society in The Astrophysical Journal
• Vol. 210, 395
• https://doi.org/10.1086/154842

Abstract

Keywords

• EMISSION SPECTRA
• INFRARED SPECTRA
• VARIABLE STARS
• SUPERGIANT STARS
• INFRARED
• STELLAR SPECTRA
• PHOTOSPHERE