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PTF1 J191905.19+481506.2 - A Partially Eclipsing AM CVn System Discovered in the Palomar Transient Factory

We report on PTF1 J191905.19+481506.2, a newly discovered, partially eclipsing, outbursting AM CVn system found in the Palomar Transient Factory synoptic survey. This is only the second known eclipsing AM CVn system. We use high-speed photometric observations and phase-resolved spectroscopy to establish an orbital period of 22.4559(3) min. We also present a long-term light curve and report on the normal and super-outbursts regularly seen in this system, including a super-outburst recurrence time of 36.8(4) d. We use the presence of the eclipse to place upper and lower limits on the inclination of the system and discuss the number of known eclipsing AM CVn systems versus what would be expected.

preprint2014arXivOpen access
David LevitanThomas KupferPaul J. GrootBruce MargonThomas A. PrinceShrinivas R. KulkarniGregg HallinanLeon K. HardingGillian KyneRuss LaherEran O. OfekRené G. M. RuttenBranimir SesarJason Surace
astro-ph.SR
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Open access14 authors1 topic
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David LevitanThomas KupferPaul J. GrootBruce MargonThomas A. PrinceShrinivas R. KulkarniGregg HallinanLeon K. HardingGillian KyneRuss LaherEran O. OfekRené G. M. RuttenBranimir SesarJason Surace

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