The remarkable extent of the circumstellar gas shell surrounding Betelgeuse

Details The remarkable extent of the circumstellar gas shell surrounding Betelgeuse The remarkable extent of the circumstellar gas shell surrounding Betelgeuse

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..532b&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 15, 1978, p. 532, 533, 535-537.

Astronomy and Astrophysics

Astrophysics

26

M Stars, Red Giant Stars, Stellar Envelopes, Supergiant Stars, Graphs (Charts), Line Spectra, Spatial Distribution, Stellar Spectra, Stellar Spectrophotometry

Scientific paper

A two-dimensional television system has been used to study the spatial
extent of the K I 7699-A resonance-line emission from the gas shell
surrounding the M supergiant Betelgeuse. This emission has been traced
out to a minimum radius of 29 arcsec (about 600 stellar radii).

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