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 estab...
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creator | Levitan, David Kupfer, Thomas Groot, Paul J Margon, Bruce Prince, Thomas A Kulkarni, Shrinivas R Hallinan, Gregg Harding, Leon K Kyne, Gillian Laher, Russ Ofek, Eran O Rutten, René G M Sesar, Branimir Surace, Jason |
description | 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. |
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subjects | Eclipses Inclination Light curve Orbits Outbursts Photometry Physics - Solar and Stellar Astrophysics |
title | PTF1 J191905.19+481506.2 - A Partially Eclipsing AM CVn System Discovered in the Palomar Transient Factory |
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