Periodic Signals in Binary Microlensing Events

Details Periodic Signals in Binary Microlensing Events Periodic Signals in Binary Microlensing Events

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.9904n&link_type=abstract

American Astronomical Society, AAS Meeting #211, #99.04; Bulletin of the American Astronomical Society, Vol. 39, p.911

Astronomy and Astrophysics

Astronomy

Scientific paper

Binary microlensing events often exhibit only negligible effects due to orbital rotation. Even when rotation is required for a good model fit, the binary nature of the event is generally evident without the fit. For some events, however, it may be possible to discover the binary nature because of the rotation rather than in spite of it. In these cases, tools beyond least-squares fitting may yield interesting results. We simulate events due to rotating binary lenses, and show that in some cases they are amenable to techniques, such as Fourier analysis, that detect periodic signals.

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