EXO 023432-5232.3 - an eclipsing AM Herculis binary

J. Bailey, D.T. Wickramasinghe, J. Hough, M. Cropper

Research output: Contribution to journalArticlepeer-review


The authors report observations of the serendipitous EXOSAT source EXO 023432-5232.3 which confirm that the object is an AM Herculis type binary and show the presence of eclipses by the companion star. From high-speed photometry of the eclipses they deduce that the cyclotron emission region is less than one seventh the size of the white dwarf. From the infrared magnitude of the secondary a distance of 430 pc is deduced. The authors discuss constraints on the system geometry.
Original languageEnglish
JournalMonthly Notices of the Royal Astronomical Society
Issue number1
Publication statusPublished - 1988


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