Title: High-resolution, far-ultraviolet study of Beta Draconis (G2 Ib-II) - Transition region structure and energy balance
Abstract: view Abstract Citations (48) References (63) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS High-resolution, far-ultraviolet study of beta Draconis (G2 Ib-II) : transition region structure and energy balance. Brown, A. ; Jordan, C. ; Stencel, R. E. ; Linsky, J. L. ; Ayres, T. R. Abstract High-resolution far ultraviolet spectra of the star Beta Draconis have been obtained with the IUE satellite. The observations and emission line data from the spectra are presented, the interpretation of the emission line widths and shifts is discussed, and the implications are given in terms of atmospheric properties. The emission measure distribution is derived, and density diagnostics involving both line ratios and line opacity arguments is investigated. The methods for calculating spherically symmetric models of the atmospheric structure are outlined, and several such models are presented. The extension of these models to log T(e) greater than 5.3 using the observed X-ray flux is addressed, the energy balance of an 'optimum' model is investigated, and possible models of energy transport and deposition are discussed. Publication: The Astrophysical Journal Pub Date: August 1984 DOI: 10.1086/162358 Bibcode: 1984ApJ...283..731B Keywords: Chromosphere; Stellar Spectra; Supergiant Stars; Ultraviolet Astronomy; Emission Spectra; Energy Distribution; Iue; Spectral Line Width; Stellar Coronas; Astrophysics full text sources ADS | data products SIMBAD (1) MAST (1) INES (1)
Publication Year: 1984
Publication Date: 1984-08-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 32
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