Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Gebruers, Sarah"'
Autor:
Serebriakova, Nadya, Tkachenko, Andrew, Gebruers, Sarah, Bowman, Dominic M., Van Reeth, Timothy, Mahy, Laurent, Burssens, Siemen, IJspeert, Luc, Sana, Hugues, Aerts, Conny
Publikováno v:
A&A 676, A85 (2023)
Modern stellar structure and evolution theory experiences a lack of observational calibrations for the interior physics of intermediate- and high-mass stars. This leads to discrepancies between theoretical predictions and observed phenomena mostly re
Externí odkaz:
http://arxiv.org/abs/2305.19948
We analyse spectra of 26 early-type stars, with suspected binarity, using a binary spectral model adapted for high-resolution FEROS spectra. We confirm seven SB2 candidates (AE Pic, $\epsilon$ Vol, HD 20784, HD 208433, HD 43519, HD 56024, CD-73~375A)
Externí odkaz:
http://arxiv.org/abs/2210.00863
Autor:
Gebruers, Sarah, Tkachenko, Andrew, Bowman, Dominic M., Van Reeth, Timothy, Burssens, Siemen, IJspeert, Luc, Mahy, Laurent, Straumit, Ilya, Xiang, Maosheng, Rix, Hans-Walter, Aerts, Conny
Publikováno v:
A&A 665, A36 (2022)
Spectroscopic data are necessary to break degeneracies in asteroseismic modelling of the interior structure in high- and intermediate-mass stars. We derive precise photospheric stellar parameters for a sample of 166 B-type stars with TESS light curve
Externí odkaz:
http://arxiv.org/abs/2206.11280
Autor:
Straumit, Ilya, Tkachenko, Andrew, Gebruers, Sarah, Audenaert, Jeroen, Xiang, Maosheng, Zari, Eleonora, Aerts, Conny, Johnson, Jennifer A., Kollmeier, Juna A., Rix, Hans-Walter, Beaton, Rachael L., Van Saders, Jennifer L., Teske, Johanna, Roman-Lopes, Alexandre, Ting, Yuan-Sen, Román-Zúñiga, Carlos G.
The Sloan Digital Sky Survey has recently initiated its 5th survey generation (SDSS-V), with a central focus on stellar spectroscopy. In particular, SDSS-V Milky Way Mapper program will deliver multi-epoch optical and near-infrared spectra for more t
Externí odkaz:
http://arxiv.org/abs/2203.14538
Autor:
Xiang, Maosheng, Rix, Hans-Walter, Ting, Yuan-Sen, Kudritzki, Rolf-Peter, Conroy, Charlie, Zari, Eleonora, Shi, Jian-Rong, Przybilla, Norbert, Ramirez-Tannus, Maria, Tkachenko, Andrew, Gebruers, Sarah, Liu, Xiao-Wei
Publikováno v:
A&A 662, A66 (2022)
We set out to determine stellar labels from low-resolution survey spectra of hot, OBA stars with effective temperature (Teff) higher than 7500K. This fills a gap in the scientific analysis of large spectroscopic stellar surveys such as LAMOST, which
Externí odkaz:
http://arxiv.org/abs/2108.02878
Autor:
Pedersen, May G., Aerts, Conny, Pápics, Péter I., Michielsen, Mathias, Gebruers, Sarah, Rogers, Tamara M., Molenberghs, Geerts, Burssens, Siemen, Garcia, Stefano, Bowman, Dominic M.
During most of their life, stars fuse hydrogen into helium in their cores. The mixing of chemical elements in the radiative envelope of stars with a convective core is able to replenish the core with extra fuel. If effective, such deep mixing allows
Externí odkaz:
http://arxiv.org/abs/2105.04533
Autor:
Gebruers, Sarah, Straumit, Ilya, Tkachenko, Andrew, Mombarg, Joey S. G., Pedersen, May G., Van Reeth, Timothy, Li, Gang, Lampens, Patricia, Escorza, Ana, Bowman, Dominic M., De Cat, Peter, Vermeylen, Lore, Bodensteiner, Julia, Rix, Hans-Walter, Aerts, Conny
Publikováno v:
A&A 650, A151 (2021)
Asteroseismic modelling of the internal structure of main-sequence stars born with a convective core has so far been based on homogeneous analyses of space photometric Kepler light curves of 4 years duration, to which most often incomplete inhomogene
Externí odkaz:
http://arxiv.org/abs/2104.04521
Autor:
Mombarg, Joey S. G., Dotter, Aaron, Van Reeth, Timothy, Tkachenko, Andrew, Gebruers, Sarah, Aerts, Conny
It has been known for several decades that transport of chemical elements is induced by the process of microscopic atomic diffusion. Yet, the effect of atomic diffusion, including radiative levitation, has hardly been studied in the context of gravit
Externí odkaz:
http://arxiv.org/abs/2004.13037
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