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Short Period Spectral Variations in γ2 Velorum

Nature Physical Science volume 243, pages 109–111 (1973)Cite this article

Abstract

γ2 Velorum is a spectroscopic binary with a Wolf-Rayet (WC8) and a 091 star1 as companions. Ganesh and Bappu2 have found a period of 78.5 d for the system. Perrine3 reported variations in the shapes of the HeI emission lines of γ2 Velorum during May and June 1919 in a time period of days. Smith4 confirmed Perrine's observations in 1953.

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References

  1. Conti, P. S., and Smith, L. F., Astrophys. J., 172, 623 (1972).

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  2. Ganesh, K. S., and Bappu, M. K. V., Kodaikanal Obs. Bull., No. 183 (1967).

  3. Perrine, C. D., Astrophys. J., 47, 52 (1918).

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  4. Smith, H. J., thesis, Harvard Univ. (1955).

  5. Jeffers, S., and Weller, W., Proc. Symp. on Astronomical Use of Television Type Sensors (Univ. British Columbia, in the press).

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Authors and Affiliations

  1. Centre for Research in Experimental Space Science, and Physics Department, York University, Downsview, Ontario

    S. JEFFERS & W. WELLER

  2. David Dunlap Observatory, University of Toront,

    A. SANYAL

Authors
  1. S. JEFFERS
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  2. W. WELLER
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  3. A. SANYAL
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JEFFERS, S., WELLER, W. & SANYAL, A. Short Period Spectral Variations in γ2 Velorum. Nature Physical Science 243, 109–111 (1973). https://doi.org/10.1038/physci243109a0

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