Discovery of an eclipsing dwarf nova in the ancient nova shell Te 11

B Miszalski,Patrick A Woudt,S P Littlefair,Brian D Warner,Henri M J Boffin,Romano L M Corradi,David Jones,Mokhine Motsoaledi,P Rodriguezgil,L Sabin,M Santandergarcia

Monthly Notices of the Royal Astronomical Society（2016）

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摘要

We report on the discovery of an eclipsing dwarf nova (DN) inside the peculiar, bilobed nebula Te 11. Modelling of high-speed photometry of the eclipse finds the accreting white dwarf to have a mass 1.18 M⊙ and temperature 13 kK. The donor spectral type of M2.5 results in a distance of 330 pc, colocated with Barnard's loop at the edge of the Orion-Eridanus superbubble. The perplexing morphology an...

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binaries: eclipsing,stars: dwarf novae,stars: individual: CSS111003:054558+022106,novae, cataclysmic variables,planetary nebulae: general

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