The 2.35 year itch of cygnus OB2 #9: I. Optical and X-ray monitoring
Naze, Y; Mahy, L; Damerdji, Y; Kobulnicky, H A; Pittard, J M; Parkin, Elliott; Absil, O; Blomme, R
Description
Context. Nonthermal radio emission in massive stars is expected to arise in wind-wind collisions occurring inside a binary system. One such case, the O-type star Cyg OB2 #9, was proven to be a binary only four years ago, but the orbital parameters remained uncertain. The periastron passage of 2011 was the first one to be observable under good conditions since the discovery of binarity. Aims. In this context, we have organized a large monitoring campaign to refine the orbital solution and to...[Show more]
Collections | ANU Research Publications |
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Date published: | 2012 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/67103 |
Source: | Astronomy and Astrophysics |
DOI: | 10.1051/0004-6361/201219442 |
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01_Naze_The_2.35_year_itch_of_cygnus_2012.pdf | 936.79 kB | Adobe PDF | Request a copy |
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