Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20923005i&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #230.05; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
The famous interacting and eclipsing binary beta Lyr shows a variety of interesting dynamic processes, with a circumbinary disk, magnetic fields, jets, and mass transfer, likely between a pair of B stars. The system has been well-studied in most wavebands, except for the X-rays. Beta Lyr was detected by Einstein suggesting a rather hard spectrum. Consequently, we observed this binary in 2006 May with the XIS of Suzaku at three roughly equally spaced phases within its orbit. According to the optical light curve, one exposure was entirely out of eclipse, one was midway in egress of secondary eclipse, and one was midway through ingress of primary eclipse. A preliminatry inspection of the light curve and three spectra indicate little or no change in the X-rays. We offer tentative conclusions about the location of the hot plasma in this system. This research is supported through a NASA grant award, NNX06AI04G.
Hamann W.
Hoffman Jason
Ignace Richard
Oskinova Lidia
Waldron WL
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