A search variability in the UV spectrum of Pi Aquarii and Fe 3 shell lines of Be stars

Details A search variability in the UV spectrum of Pi Aquarii and Fe 3 shell lines of Be stars A search variability in the UV spectrum of Pi Aquarii and Fe 3 shell lines of Be stars

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984usc..rept......&link_type=abstract

Final Report University of Southern California, Los Angeles. Dept. of Astronomy.

Astronomy and Astrophysics

Astronomy

Photosphere, Signature Analysis, Spaceborne Astronomy, Stellar Atmospheres, Stellar Spectra, Stellar Structure, Computerized Simulation, Flow Velocity, Ground Truth, Stellar Mass Ejection, Stellar Temperature, Stellar Winds

Scientific paper

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.

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