[PDF] Top 20 Apsidal motion in the massive binary HD 152248
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Apsidal motion in the massive binary HD 152248
... between the two sets of ESPaDOns data that were taken during two consecutive ...where the orbital period of the third star should be much longer than that of the inner ...of the ... Voir le document complet
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Apsidal motion in the massive binary HD 152248
... Abstract. The eccentric massive binary HD 152 248, hosting two very similar ...is the most emblematic eclipsing O-star binary in the very young and rich open ... Voir le document complet
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Apsidal motion in the massive binary HD 152248: Constraining the internal structure of the stars
... upon the results of Rosu et ...of the apsidal motion of HD 152248 from a stellar evolution point of ...view. In accordance with previous studies ...call the star ... Voir le document complet
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Apsidal Motion in The Massive Binary HD 152248
... Apsidal Motion in The Massive Binary HD 152 248 S. Rosu 1 , G. Rauw 1 , E. Gosset 1 , J. Manfroid 1 & P. Royer 2 1 Space sciences, Technologies and Astrophysics ... Voir le document complet
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Apsidal motion in the massive binary HD 152218
... system: HD 152218. HD 152218 is a member of the young open cluster NGC 6231 in the Sco OB1 ...a binary fraction of at least 0.63, the O-star population of this cluster ... Voir le document complet
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A phase-resolved XMM-Newton campaign on the colliding-wind binary HD 152248
... and the amplitude and phase of their variation. Due to the 2-D nature of the simulations and the fact that we neglect the orbital motion, the predicted light curve is ... Voir le document complet
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Early-type stars in the young open cluster IC 1805. II. The probably single stars HD 15570 and HD 15629, and the massive binary/triple system HD 15558
... problem in considering our results is to rec- oncile the very extreme mass of the primary with its spec- tral ...very massive main- sequence star could cool down enough during its evolution to ... Voir le document complet
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Spectral modelling of massive binary systems
... investigated the eccentric sys- ...variations in many cases in the individual spectra of both ...by the change of orientations of the stars as a function of orbital ...reflect ... Voir le document complet
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What apsidal motion reveals about the interior of massive binary stars
... stars: massive, stars: evolution, binaries: spectro- scopic, binaries: eclipsing ...Introduction Massive stars, although less abundant in the Universe than solar type stars, play a key role ... Voir le document complet
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The two components of the evolved massive binary LZ Cephei. Testing the effects of binarity on stellar evolution
... of the system to be O 9III+ON ...with the CMFGEN atmosphere code. Although the sec- ondary star has a main-sequence luminosity class, its surface abundances indicates that the star has ... Voir le document complet
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The X-ray light curve of the massive colliding wind Wolf-Rayet + O binary WR 21a
... 5.2. The X-ray light curve around periastron In the regions of the light curve where the stars are approach- ing periastron, the flux of WR 21a exhibits a sudden decrease and a ... Voir le document complet
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The CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313
... performing the period search and the model ...ize the importance of this target. Indeed, the first 5 measurements only showed a quadratic drift that betrayed the presence of a long ... Voir le document complet
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X-ray Emission from the Double-binary OB-star System QZ Car (HD 93206)
... and the resulting background subtracted source spectrum was binned to achieve a signal-to-noise ratio of ...that the far off- axis (ACIS-S) extractions of QZ Car encompass a nearby sub- cluster of low-mass ... Voir le document complet
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CHANDRA CHARACTERIZATION OF X-RAY EMISSION IN THE YOUNG F-STAR BINARY SYSTEM HD 113766
... 75% the temperature of the B source, and a total flux of ...As the low-count likelihood fitting method does not produce a formal c 2 statistic, we cannot derive formal con fidence limits, but via ... Voir le document complet
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The yellow hypergiant HR 5171 A: Resolving a massive interacting binary in the common envelope phase
... nights in March 2012 at the Paranal Observatory. The VLTI ...and the AMBER beam recombiner (Petrov et ...using the low spectral resolution mode (R=30) and providing a simultaneous ... Voir le document complet
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Discovery of a magnetic field in the rapidly rotating O-type secondary of the colliding-wind binary HD 47129 (Plaskett's star)
... , in original form ABSTRACT We report the detection of a strong, organized magnetic field in the secondary component of the massive ...spectroscopic binary system ... Voir le document complet
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An X-ray view of HD 166734, a massive supergiant system
... of the event), hence to unveil its origin. Concerning the latter peculiarity, the recovery after the min- imum takes more than a third of the orbit for HD 166734, a very strong ... Voir le document complet
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Spectral modelling of circular massive binary systems. Towards an understanding of the Struve-Sahade effect?
... Stars: massive - Binaries: general - Stars: fundamental parameters - Stars: atmospheres - Binaries: spectroscopic ...Introduction Massive stars are rare but very important ...with the ambient ... Voir le document complet
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WR 20a: A massive cornerstone binary system comprising two extreme early-type stars
... Note the double N λ 4058 emission line as well as the double N λ 4604 and N λ 4620 ...absorptions. The stellar lines are labelled above the spectrum, whereas the interstellar ... Voir le document complet
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Photometric Mode Identification in the Two Doradus Stars HD 12901 and HD 48501
... with the Swiss ...dispersion in the Geneva database that fitted the observa- tional window of a few 3-week ...of the stars indeed turned out to be good γ Doradus ...stars, HD ... Voir le document complet
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