Monitoring the spin up in RX J 0806 + 15

Abstract

RX J0806+15 shows a prominent intensity variation on a period of 321.5 sec. This has widely been interpreted as the binary orbital period, although this remains controversial. We have been monitoring the precise period of RX J0806+15 for a number of years. By measuring the rate of change we can help distinguish between competing physical models. New… (More)

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