A radio detection of V Sagittae

Astronomy and Astrophysics – Astronomy

Scientific paper

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17

Binaries: Close, Stars: Individual: V Sge, Radio Continuum: Stars

Scientific paper

We present a VLA measurement of the peculiar interacting binary V Sge at 3.55 cm. A radio source with flux 70 muJy was detected with 5.4sigma significance <0.1 arcsec from the Carlsberg Meridian Catalogue optical position of V Sge. The probability of an unassociated radio source lying this close to V Sge is extremely low. We use the observed intensity to derive the rate of mass loss from V Sge, and find that it is much greater than that of cataclysmic variables. We discuss the significance of the discovery of this radio emission.

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