SIMBAD references

1996A&A...310..797M - Astronomy and Astrophysics, volume 310, 797-800 (1996/6-3)

On the link between coronal activity and orbital period in evolved binary stars.

MELO C.H.F. and DE MEDEIROS J.R.

Abstract (from CDS):

The analysis of the relationship between X-emission flux and orbital period indicates a drop in the X-ray emission of binaries with evolved components at orbital periods of about 100 days: Intense X-ray emitters have an orbital period lower than 100 days, whereas with an orbital period greater than about 100 days are weak X-ray emitters. This critical period corresponds to the orbital period separating binary systems with circular orbits from those of eccentric orbits.

Abstract Copyright:

Journal keyword(s): stars: activity - binaries: spectroscopic - stars: coronae - stars: rotation - X-rays: stars

Simbad objects: 42

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