P. M. Williams, E. Antonopoulou
Abstract
New infrared observations of the Wolf–Rayet system HD 193793 in 1978 show that the new dust shell discovered in 1977 has cooled from 900 K to about 810 K in May and 780 K in 1978 August as a consequence of its expansion.
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New infrared observations of the Wolf–Rayet system HD 193793 in 1978 show that the new dust shell discovered in 1977 has cooled from 900 K to about 810 K in May and 780 K in 1978 August as a consequence of its expansion.
Key concepts: Physics, Shell (structure), Astrophysics, Wolf–Rayet star, Infrared, Astronomy, Stars, Materials science