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Proceeding Paper

TV Cassiopeiae with Chandra and XMM–Newton X-ray Observations †

Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
Department of Physics and Astronomy, the University of Utah, Salt Lake City, UT 84112, USA
Department of Physics and Applied Physics, University of Massachusetts, Lowell, MA 01854, USA
Author to whom correspondence should be addressed.
Presented at the meeting Recent Progress in Relativistic Astrophysics, Shanghai, China, 6–8 May 2019.
Proceedings 2019, 17(1), 10;
Published: 9 October 2019
(This article belongs to the Proceedings of Recent Progress in Relativistic Astrophysics)


TV Cassiopeia (TV Cas) is a well-known eclipsing Algol-type binary comprising a B9V primary and F7 IV secondary in an orbit with a period of 1.81 days, together with a purported low-mass companion in a wide orbit. Despite the considerable attention TV Cas has received in optical and UV bands, no X-ray analysis has been reported. Chandra has detected TV Cas six times and XMM–Newton observed it twice, all serendipitously during observations of the starburst galaxy IC 10. We have put all the X-ray data together to investigate its coronal morphology and spectral properties. We use the X-ray light curves and eclipses to probe the emitting geometry and the X-ray spectra at different epochs to investigate the activity mechanisms and test speculation that TV Cas undergoes significant mass transfer episodes.
Keywords: TV Cas; eclipsing binary; orbital period variability TV Cas; eclipsing binary; orbital period variability

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MDPI and ACS Style

Yang, J.; Drake, J.J.; Wik, D.R.; Laycock, S.G.T. TV Cassiopeiae with Chandra and XMM–Newton X-ray Observations. Proceedings 2019, 17, 10.

AMA Style

Yang J, Drake JJ, Wik DR, Laycock SGT. TV Cassiopeiae with Chandra and XMM–Newton X-ray Observations. Proceedings. 2019; 17(1):10.

Chicago/Turabian Style

Yang, Jun, Jeremy J. Drake, Daniel R. Wik, and Silas G. T. Laycock. 2019. "TV Cassiopeiae with Chandra and XMM–Newton X-ray Observations" Proceedings 17, no. 1: 10.

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