Evolution of Post-Common-Envelope Binaries
Post-common envelope binaries from SDSS - XV. Accurate stellar parameters for a cool 0.4 M⊙ white dwarf and a 0.16 M⊙ M dwarf in a 3 h eclipsing binary
... eclipsing post-common-envelope binary, with an orbital period of P orb = ...Galaxy Evolution Explorer near-ultraviolet flux, yields a white dwarf temperature of T eff,WD = 6000 ± 200 K and a ...
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Post common envelope binaries from SDSS : IX, constraining the common envelope efficiency
... 10. Discussion The results obtained in the previous sections can be summarized as follows: For all systems in our sample, which is the largest sample of one specific type of PCEBs that is currently avail- able, we find ...
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Post common envelope binaries from SDSS XVI, Long orbital period systems and the energy budget of common envelope evolution
... CE evolution we obtain the initial separation for given WD and main-sequence companion masses, leaving the final orbital period and the CE efficiency as the remaining free parameters connected via the energy ...
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Orbital period variations in eclipsing post-common-envelope binaries
... 6 CONCLUSIONS We have presented high time resolution ULTRACAM light curves for the systems DE CVn, GK Vir, NN Ser, QS Vir, RR Cae, RX J2130.6 + 4710, SDSS 0110 + 1326 and SDSS 0303+0054. By fitting models to all the ...
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Post common envelope binaries from the Sloan Digital Sky Survey
... Close binaries containing a compact object make up a wide variety of ...The evolution of all close binaries depends crucially on the rate at which angular momentum is extracted from the binary ...the ...
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Post common envelope binaries from SDSS II : identification of 9 close binaries with VLT/FORS2
... WDMS binaries The first result of our PCEB survey will be the relative number of PCEBs among SDSS WDMS ...WDMS binaries identified in this paper have clearly ex- perienced a phase of mass transfer during ...
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Post common envelope binaries from SDSS IV, SDSS J121258 25–012310 1, a new eclipsing system
... We have calculated the radius of the secondary star using an em- pirical mass–radius ralation. The mass function, combined with the eclipse length, points towards the high end of the allowed mass range of the primary, ...
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Post common envelope binaries from the SDSS VI SDSS J120615 73+510047 0 : a new low accretion rate magnetic binary
... their post com- mon envelope lifetimes of the order of several hundred ...detailed post-CE evolution and, hence, cannot answer the question of whether they already could have been ...
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The crowded magnetosphere of the post common envelope binary QS Virginis
... the evolution of these binaries, since the magnetic field is able to remove angular momentum from the system, driving the two stars closer together (Rappaport, Verbunt & Joss ...
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On the post-common-envelope central star of the planetary nebula NGC 2346
... – binaries: spectroscopic – planetary nebulae: indi- vidual: NGC ...and evolution of a large fraction of planetary nebulae (PNe; Jones & Boffin 2017) – playing an important role in the observed morphologies ...
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Insights into internal effects of common envelope evolution using the extended Kepler mission
... 2011). The others evolved through a common envelope with a close companion and are post-common-envelope binaries (PCEBs). Most PCEBs are the detached precursors to cataclysmic ...
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Two planets orbiting the recently formed post-common envelope binary NN Serpentis
... orbiting post-common envelope binaries provide fundamental information on planet formation and ...the common- envelope phase that created the present white dwarf requires fine ...
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PTF1 J085713+331843, a new post common-envelope binary in the orbital period gap of cataclysmic variables
... words: binaries: eclipsing – stars: white dwarfs – late-type 1 INTRODUCTION The majority of stars are members of binary ...a common envelope (Paczynski 1976; for reviews see Taam & Sandquist ...
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Planetary Systems of post-common envelope binaries
... • The eclipse time variations in NN Ser A/B are most simply explained as the timing effect due to two massive, circumbinary planets. • The planets could either be 1st or 2nd generation [r] ...
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Post-common envelope pre-cataclysmic and cataclysmic variable binaries
... 2.1.3 HS1136+6646 FUSE data reduction Data from the 2001 and 2002 observations were reduced using the most recent available version of the FUSE data reduction software (CalFUSE v2.4). In short, the CalFUSE data reduction ...
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Eclipsing post-common envelope binaries from the Catalina surveys
... The orbital period is almost exactly 3 hours. SDSS J122339.61-005631.1 SDSS J1223-0056 was observed with ULTRACAM mounted on the NTT as part of a project to detect pulsating white dwarfs in white dwarf plus main-sequence ...
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Multiple emission line components in detached post common envelope binaries
... the post-common- envelope binary (PCEB) LTT 560, we have undertaken a spectroscopic snapshot survey on 11 short-period (P orb < 6 h) PCEBs using ...rather common in short-period ...
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Period and amplitude variations in post common envelope eclipsing binaries observed with SuperWASP
... eclipsing binaries may reveal the presence of additional massive bodies in the system, such as circumbinary ...eclipsing post-common-envelope binaries for evidence of such light curve ...
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Common Envelope Evolution
... the evolution of the system behaves very di↵er- ...a common envelope can start to form earlier and that mass loss through the outer Lagrange point plays a much larger ...a common ...
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Post common envelope binaries from SDSS VIII, Evidence for disrupted magnetic braking
... WDMS binaries appear as objects with non-stellar colours within SDSS as long as they are not spa- tially resolved by the typical seeing of 1 ...WDMS binaries increases with absolute magnitude – and hence ...
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