Keywords
Chromosphere
F Stars
G Stars
Magellanic Clouds
Milky Way Galaxy
Stellar Envelopes
Stellar Mass Ejection
Supergiant Stars
H Lines
High Dispersion Spectrographs
K Lines
Stellar Atmospheres
Stellar Spectra
Astrophysics
F Stars
G Stars
Magellanic Clouds
Milky Way Galaxy
Stellar Envelopes
Stellar Mass Ejection
Supergiant Stars
H Lines
High Dispersion Spectrographs
K Lines
Stellar Atmospheres
Stellar Spectra
Astrophysics
How to Cite
Las envolturas circunestelares de las supergiantes del tipo F Y G EN la NUBE Mayor de Magallanes. (1981). Revista Mexicana De Astronomía Y Astrofísica, 6(1), 59-63. https://astronomia.unam.mx/journals/rmxaa/article/view/1981rmxaa...6...59h
Abstract
The outer atmospheres of four F- and G-type supergiants in the LMC are compared with those of their Milky Way counterparts by means of 2.5 and 5.1 A/mm high dispersion Echelle spectra. Na I D line doubling indicates extensive circumstellar envelopes, mass loss rates greater than 0.00001 solar masses/year, and outflow velocities of 10-60 km/sec. The Ca II H and K lines yield new data on extragalactic star chromospheres.Similar Articles
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