Two decades of optical timing of the shortest-period binary star system HM Cancri

The shortest-period binary star system known to date, RX J0806.3+1527 (HM Cancri), has now been observed in the optical for more than two decades. Although it is thought to be a double degenerate binary undergoing mass transfer, an early surprise was that its orbital frequency, f0, is currently incr...

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Published in:Monthly notices of the Royal Astronomical Society 2023-02, Vol.518 (4), p.5123-5139
Main Authors: Munday, James, Marsh, T R, Hollands, Mark, Pelisoli, Ingrid, Steeghs, Danny, Hakala, Pasi, Breedt, Elmé, Brown, Alex, Dhillon, V S, Dyer, Martin J, Green, Matthew, Kerry, Paul, Littlefair, S P, Parsons, Steven G, Sahman, Dave, Somjit, Sorawit, Sukaum, Boonchoo, Wild, James
Format: Article
Language:English
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