[PDF] Top 20 A magnetic white dwarf in a detached eclipsing binary
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A magnetic white dwarf in a detached eclipsing binary
... M dwarf itself, but rather ma- terial between the two ...M dwarf, the material does not extend beyond the binary centre-of-mass towards the white ... See full document
15
A magnetic white dwarf in a detached eclipsing binary
... close, detached, eclipsing white dwarf plus M dwarf binary which shows a large infrared excess which has been interpreted in terms of a circumbinary dust ...the white ... See full document
12
Polarimetric evidence of a white dwarf pulsar in the binary system AR Scorpii
... dipolar white dwarf magnetic field, the modulation is strongest at the first harmonic of the spin period, namely ...both magnetic poles. These results can be explained by the white ... See full document
31
EL CVn type binaries discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems
... period binary star must contain a pre-He-WD or similar highly evolved ...the dwarf star. Several binary systems have been iden- tified using Kepler photometry in which an A-type or B-type star has a ... See full document
17
A precision study of two eclipsing white dwarf plus M dwarf binaries
... Figure 14 show the mass-radius plot for low mass stars. The masses and radii of the secondary stars in SDSS J1212- 0123 and GK Vir are marked as well as other precise mea- surements. The mass and radius of the secondary ... See full document
22
The nature of the close magnetic white dwarf + probable brown dwarf binary SDSS J121209.31+013627.7
... the white dwarf is directly linked to mag- netically funnelled ...the white dwarf surface in this spot is irradiation with cyclotron radiation and/or thermal bremsstrahlung (G¨ansicke et ...K ... See full document
8
The evolutionary state of short period magnetic white dwarf binaries
... netic white dwarfs, SDSSJ1250+1549 and SDSSJ1514+0744 and have shown that they are binary systems, hosting low mass companion ...of magnetic siphoning of the companion’s stellar ...the white ... See full document
16
Physical properties of eclipsing white dwarf binaries
... we should consider the conservation of total angular momentum in the system. Material is moving from the more massive to the less massive star. This means that the material is gaining angular momentum, as it is moving ... See full document
178
Precise parameters for both white dwarfs in the eclipsing binary CSS 41177
... the white dwarf temperatures from the depths of the eclipses in the different bands and the temperature- dependent specific intensities from Gianninas et ...both white dwarf ...our ... See full document
12
EUV, X-ray and optical studies of white dwarf binary systems
... Shipman, Liebert &: Green (1987) analyse the DB stars in the PG survey and find th at at least 20% are actually DBA stars, containing significant trace H in their atmospheres. They speculate th at at least as many ... See full document
249
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
... a detached CV entering (or just having entered) the period ...of detached WD+MS binaries with orbital periods between 2 and 3 h are in fact CVs that have switched off mass transfer and are crossing the ... See full document
10
RX J0806+15: the shortest period binary?
... Burwitz & Reinsch (2001) made the suggestion that RX J0806+15 is a double degenerate polar: a close binary system consisting of a magnetic white dwarf which is accreting ma- terial from a ... See full document
5
The direct detection of the irradiated brown dwarf in the white dwarf - brown dwarf binary SDSS J141126.20+200911.1
... close binary system. They are all detached, and likely tidally locked, resulting in a brown dwarf that is irradiated on one hemisphere, similar to the situation in most hot Jupiter ex- ...these ... See full document
8
Discovery of ZZ Cetis in detached white dwarf plus main-sequence binaries
... While the detection of short period RV variations un- ambiguously identifies the PCEBs among our targets, the absence of RV variations is not a guarantee that a system is a wide binary. Insufficient spectral ... See full document
9
RX J2130.6+4710 - an eclipsing white dwarf-M-dwarf binary star
... the white dwarf from the stellar wind of the M dwarf (Zuckermann et ...the white dwarf and thus an accurate measurement of its gravitational ... See full document
13
The shortest period detached white dwarf + main-sequence binary
... the white dwarf (Rebassa-Mansergas et ...the white dwarf’s mass and radius determined in- dependently of any model, so too are the mass and radius of its ...stronger magnetic fields inhibiting ... See full document
10
DE Canum Venaticorum : a bright, eclipsing red dwarf–white dwarf binary
... During one of the ULTRACAM observing runs (25 May 2003), a flare was observed in all three bands starting at about 23:23 UT. This part of the light curve is shown in Fig. 7. The observed part of the flare lasted ∼39 min. ... See full document
12
An accurate mass and radius measurement for an ultracool white dwarf
... cool white dwarfs in the solar neighbourhood have placed a limit on the age of the Galactic disk of 8-9 billion ...ultracool white dwarfs for which an accurate distance is known, by fit- ting their spectral ... See full document
10
A New Detached M Dwarf Eclipsing Binary
... In 2004 September we obtained spectroscopic observations of TrES-Her0-07621 using the High Resolution Spectrograph (HRS; Tull 1998) on the Hobby-Eberly Telescope (HET). We secured measurements at 4 epochs; each epoch ... See full document
5
The substellar companion in the eclipsing white dwarf binary SDSS J141126.20+200911.1
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy ... See full document
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