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  • 1975-1979  (1)
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    A spectroscopic flare of YZ Canis Minoris (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Observations of a spectroscopic flare in YZ Canis Minoris are reported. Emission lines of Mg I, Fe I, and Fe II were found in the spectral region 5090-5350 A. The intensity of the emission lines declined only slightly over a span of 2 hours. No significant radial-velocity difference was found between the emission and absorption lines. The turbulent velocity dispersion was less than 20 km/s. Upper limits of 7500 and 15,000 gauss can be placed on the longitudinal and transverse magnetic fields. The equal intensities of the Mg I b lines imply that the emitting region was optically thick. The intensity ratios did not change with time.
    Keywords: ASTRONOMY
    Type: Astrophysical Journal; vol. 231
    Format: text
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