The complex, variable structure of stationary lines in SS433

Details The complex, variable structure of stationary lines in SS433 The complex, variable structure of stationary lines in SS433

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.224..323f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 224, Jan. 15, 1987, p. 323-334.

Astronomy and Astrophysics

Astronomy

14

Eclipsing Binary Stars, H Alpha Line, Spectrum Analysis, Stellar Spectra, Variable Stars, Visible Spectrum, Helium Ions, Line Shape, Spectral Line Width

Scientific paper

On 1979 June 3 - 6, a number of spectra of SS433 were obtained using the UCL Image Photon Counting System on the 3.6-m telescope of the European Southern Observatory, La Silla, Chile. The stationary Hα and He I λλ5875, 6678 and 7065 lines have a complex structure which on June 4 - 5 exhibited a central feature accompanied by two equally displaced (±1000 km s-1) side components. Variability of the line profile and equivalent width is observed on time-scales as short as a quarter of an hour.

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