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    A search variability in the UV spectrum of Pi Aquarii and Fe 3 shell lines of Be stars (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Several short U1 and U2 observations of Be stars are obtained with the Copernicus satellite. Pi Aquarii (B1 IV-Ve) is observed with the U1 and U2 spectrometers. These scans are compared with earlier observations. Variations in the strengths and profiles of selected shell and photospheric features are examined. In order to study possible changes in the temperature of the circumstellar envelope, features covering a wide range in ionization are observed. Included in the observing program are lines of O VI, N V, Si IV, Si III, S III, Fe III, and N I.
    Keywords: ASTRONOMY
    Type: NASA-CR-173611 , NAS 1.26:173611
    Format: application/pdf
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