stars: individual: PTF1 J071912.13+485834.0

PTF1 J071912.13+485834.0: An Outbursting AM CVn System Discovered by a Synoptic Survey

We present extensive photometric and spectroscopic observations of PTF1 J071912.13+485834.0, an outbursting AM CVn system discovered by the Palomar Transient Factory (PTF). AM CVn systems are stellar binaries with some of the smallest separations …