Recent changes in the spectrum of the Be star 48 Persei

Details Recent changes in the spectrum of the Be star 48 Persei Recent changes in the spectrum of the Be star 48 Persei

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.109..373g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 109, no. 2, Feb. 1985, p. 373-380.

Astronomy and Astrophysics

Astrophysics

2

B Stars, Emission Spectra, Stellar Spectra, Variable Stars, H Alpha Line, Spectrum Analysis, Stellar Spectrophotometry

Scientific paper

A search of rapid and slow spectral variations of Balmer lines with time resolution from seconds, minutes, months, and years is carried out for 48 Per. In total, 40 spectral scans in the Hα and 13 spectral scans in the λλ3500 - 5300 Å region were secured during 6 nights. The results of this study show that, in general, there are rapid variations of Hα at the limit of the noise level. Large changes with time scales of months and years in Hα and higher Balmer lines have been investigated for the first time in 48 Per.

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