Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20510211g&link_type=abstract
American Astronomical Society Meeting 205, #102.11; Bulletin of the American Astronomical Society, Vol. 36, p.1513
Astronomy and Astrophysics
Astronomy
1
Scientific paper
High Mass X-ray Binary (HMXB) systems involving a neutron star orbiting a young, massive star frequently become sources of pulsed X-radiation when the neutron star accretes material from its companion during part, or all of its orbit. There are over 100 such systems currently known, with over one third of them located in the Small Magellanic Cloud, which makes the SMC a perfect study ground for HMXBs.
Our team has been carrying out a weekly monitoring campaign of the SMC with the PCA onboard RXTE since January 1999. In this poster we study the long-term behaviour of the most active systems and discuss the implications for orbital calculations, pulse/orbital period correlations, and the influence of the stellar environment. We also report on the ˜35 day orbital period recently discovered for the Be/X-ray system XTE J0055-727.
Coe Malcolm J.
Corbet Robin H. D.
Edge W. R. T.
Galache Jose Louis
Laycock Silas
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