English
Related papers

Related papers: Phase-locked polarization by photospheric reflecti…

200 papers

Close binary systems often show linear polarization varying over the binary period, usually attributed to light scattered from electrons in circumstellar clouds. One of the brightest close binary systems is Spica (Alpha Virginis) consisting…

Solar and Stellar Astrophysics · Physics 2019-04-03 Jeremy Bailey , Daniel. V. Cotton , Lucyna Kedziora-Chudczer , Ain De Horta , Darren Maybour

We present simultaneous UBV polarimetric and photometric observations of the pre-main-sequence binary AK Sco, obtained over 12 nights, slightly less than the orbital period of 13.6 days. The polarization is a sum of interstellar and…

Astrophysics · Physics 2009-11-10 N. Manset , P. Bastien , C. Bertout

We investigate the structure of the O-type binary system HD 48099 by measuring linear polarization that arises due to light scattering process. Linear polarization measurements of HD 48099 in the B, V and R passbands with the high-precision…

Solar and Stellar Astrophysics · Physics 2016-06-02 A. Berdyugin , V. Piirola , S. Sadegi , S. Tsygankov , T. Sakanoi , M. Kagitani , M. Yoneda , S. Okano , J. Poutanen

We present the results of a Monte Carlo radiative transfer code that calculates the polarization produced by multiple Thomson scattering and variable absorptive opacity in a circumstellar disk around one component of a close detached binary…

Astrophysics · Physics 2009-11-10 Jennifer L. Hoffman , Barbara A. Whitney , Kenneth H. Nordsieck

We report the discovery of circularly polarised radio emission from the radio-jet X-ray binary SS 433 with the Australia Telescope Compact Array. The flux density spectrum of the circular polarization, clearly detected at four frequencies…

Astrophysics · Physics 2009-10-31 Robert Fender , David Rayner , Ray Norris , R. J. Sault , Guy Pooley

AR Sco is a binary system that contains a white and red dwarf. The rotation rate of the white dwarf has been observed to slow down, analogous to rotation-powered radio pulsars; it has thus been dubbed a "white dwarf pulsar". We previously…

High Energy Astrophysical Phenomena · Physics 2021-12-17 Louis du Plessis , Christo Venter , Zorawar Wadiasingh , Alice K. Harding , David A. H. Buckley , Stephen B. Potter , P. J. Meintjes

Recent spectropolarimetric observations of Herbig AeBe stellar systems show linear polarization variability with wavelength and epoch near their obscured H-alpha emission. Surprisingly, this polarization is not coincident with the H-alpha…

Astrophysics · Physics 2009-11-13 J. R. Kuhn , S. V. Berdyugina , D. M. Fluri , D. M. Harrington , J. O. Stenflo

Semidetached binaries, distinguished by their mass transfer phase, play a crucial role in elucidating the physics of mass transfer within interacting binary systems. To identify these systems in eclipsing binary light curves provided by…

Solar and Stellar Astrophysics · Physics 2025-04-22 Xu Ding , KaiFan Ji , QiYuan Cheng , ZhiMing Song , JinLiang Wang , XueFen Tian , ChuanJun Wang

We present a versatile confocal microscopy setup for optical second harmonic generation (SHG) and multi-photon spectroscopy that enables polarization-resolved studies of semiconductor bulk crystals and low-dimensional structures. The system…

By cross-matching the eclipsing binary catalog from TESS with that from LAMOST MRS, semi-detached eclipsing binaries with radial velocities coverage spanning more than 0.3 phases were authenticated. The absolute parameters for these systems…

Solar and Stellar Astrophysics · Physics 2024-12-11 Yajuan Lei , Guiping Zhou , Liang Wang , Guangwei Li , Kai Li , Tuan Yi

Using new and published photometric observations of mu1 Sco (HR 6247), spanning 70 years, a period of 1.4462700(5) days was determined. It was found that the epoch of primary minimum suggested by Shobbrook at HJD 2449534.178 requires an…

Solar and Stellar Astrophysics · Physics 2015-05-14 C. van Antwerpen , T. Moon

Studies of spin manipulation in semiconductors has benefited from the possibility to grow these materials in high quality on top of optically active III-V systems. The induced electroluminescence in these layered semiconductor…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. Kaestner , J. Wunderlich , Jairo Sinova , T. Jungwirth

Light scattered off particles can become linearly polarized. Stars surrounded by oblique, co-rotating envelopes are therefore expected to manifest periodic linear polarimetric variations. The electron scattering magnetospheres of magnetic…

Solar and Stellar Astrophysics · Physics 2022-01-05 M. S. Munoz , G. A. Wade , D. M. Faes , A. C. Carciofi , J. Labadie-Bartz

Using a spatially-resolved optical pump-probe experiment, we measure the lateral transport of spin/valley polarized electrons over very long distances (tens of micrometers) in a single WSe2 monolayer. By locally pumping the Fermi sea of 2D…

We present polarimetric observations of a massive pre-main sequence short-period binary star of the Herbig Ae/Be type, MWC 1080. The mean polarization at 7660 A is 1.60% at 81.6 deg, or 0.6% at 139 deg if an estimate of the interstellar…

Astrophysics · Physics 2009-11-07 N. Manset , P. Bastien

We have observed 123 pulsars with periods longer than 0.1 seconds in the Meterwavelength Single-pulse Polarimetric Emission Survey. In this work a detailed study of polarization behaviour of these pulsars have been carried out. We were able…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Dipanjan Mitra , George I. Melikidze , Rahul Basu

We have investigated the impact of circumplanetary rings consisting of spherical micrometer-sized particles on the net scattered light polarization of extrasolar gas giants. Using the three-dimensional Monte Carlo radiative transfer code…

Earth and Planetary Astrophysics · Physics 2023-03-15 M. Lietzow , S. Wolf

The circular polarization of light that planets reflect is often neglected because it is very small compared to the linear polarization. It could, however, provide information on a planet's atmosphere and surface, and on the presence of…

Earth and Planetary Astrophysics · Physics 2018-08-29 Loïc Rossi , Daphne M. Stam

Optical orientation in the strained semiconductor superlattices is investigated theoretically. The dependence of the features in spin-polarization spectra on the structure parameters is clarified. The value of polarization in the first…

Materials Science · Physics 2009-11-10 A. V. Subashiev , L. G. Gerchikov , A. I. Ipatov

We present the first optical polarimetric observations of the runaway microquasar LS 5039. Our results reveal the presence of a large amount (~5%) of polarized emission towards this binary system. By combining polarimetric and spectroscopic…

Astrophysics · Physics 2007-05-23 J. A. Combi , S. A. Cellone , J. Marti , M. Ribo , I. F. Mirabel , J. Casares
‹ Prev 1 2 3 10 Next ›