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Massive companions of binary systems

  • D. Jableka (a1), S. Zola (a1) (a2), B. Zakrzewski (a2), J. M. Kreiner (a2) and W. Ogloza (a2)...

Abstract

We examined the O-C diagrams of eclipsing binary systems and selected these exhibiting cyclic shape, either sinusoidal or quasi sinusoidal. Assuming these variations being due to the Light Time Travel effect (LTE), we estimated the parameters of companions with the Monte Carlo method. As a result, we identified nearly two dozen of eclipsing systems that might have companions with a minimum mass larger than that of a neutron star. Their masses fall into the range between 1.7 and 34 solar masses. This sample of triples with high mass companions can be confirmed with the help of observations gathered by Gaia: parallaxes and astrometric measurements.

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References

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Dogru, D., Erdem, A., Dogru, S. S., & Zola, S., 2009, MNRAS, 397, 1647
Jableka, D., Zola, S., Kreiner, J. M., & Zakrzewski, B., 2013, CEAB, 37, 195
Kreiner, J. M., 2004, AcA, 54, 207
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