Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Panoglou, Despina"'
Autor:
Borre, Camilla C., Baade, Dietrich, Pigulski, Andrzej, Panoglou, Despina, Weiss, Achim, Rivinius, Thomas, Handler, Gerald, Moffat, Anthony F. J., Popowicz, Adam, Wade, Gregg A., Weiss, Werner W., Zwintz, Konstanze
Publikováno v:
A&A 635, A140 (2020)
Context. Be stars are physically complex systems that continue to challenge theory to understand their rapid rotation, complex variability and decretion disks. $\gamma$ Cassiopeiae ($\gamma$ Cas) is one such star but is even more curious because of i
Externí odkaz:
http://arxiv.org/abs/2002.04646
Autor:
Panoglou, Despina, Fernandes, Marcelo Borges, Baade, Dietrich, Faes, Daniel M., Rivinius, Thomas, Carciofi, Alex C., Okazaki, Atsuo T.
The tidal interaction of a Be star with a binary companion forms two spiral arms that cause orbital modulation of the Be disc structure. The aim of this work is to identify observables in which this modulation is apparent. The structure of a Be disc
Externí odkaz:
http://arxiv.org/abs/1904.08898
Autor:
Chojnowski, S. Drew, Labadie-Bartz, Jonathan, Rivinius, Thomas, Gies, Douglas, Panoglou, Despina, Fernandes, Marcelo Borges, Wisniewski, John P., Whelan, David G., Mennickent, Ronald E., McMillan, Russet, Dembicky, Jack M., Gray, Candace, Rudyk, Ted, Stringfellow, Guy S., Lester, Kathryn, Hasslequist, Sten, Zharikov, Sergey, Levenhagen, Ronaldo, Souza, Tiago, Leister, Nelson, Staussan, Keivan, Siverd, Robert J., Majewski, Steven R.
Prompted by peculiar spectroscopic variability observed in SDSS/APOGEE $H$-band spectra, we monitored the Be star HD 55606 using optical spectroscopy and found that it is an exotic double-lined spectroscopic binary (SB2) consisting of a Be star and a
Externí odkaz:
http://arxiv.org/abs/1806.06843
We use a smoothed particle hydrodynamics (SPH) code to examine the effects of misaligned binary companions on Be star discs. We systematically vary the degree of misalignment between the disc and the binary orbit, as well as the disc viscosity and or
Externí odkaz:
http://arxiv.org/abs/1706.07029
Autor:
Panoglou, Despina, Faes, Daniel M., Carciofi, Alex C., Okazaki, Atsuo T., Baade, Dietrich, Rivinius, Thomas, Fernandes, Marcelo Borges
The first results of radiative transfer calculations on decretion discs of binary Be stars are presented. A smoothed particle hydrodynamics code computes the structure of Be discs in coplanar circular binary systems for a range of orbital and disc pa
Externí odkaz:
http://arxiv.org/abs/1704.06751
In this work we explore the effect of binarity in the decretion disc of Be stars, in order to explain their variability. To this aim, we performed smoothed particle hydrodynamics (SPH) simulations on Be binary systems, following the matter ejected is
Externí odkaz:
http://arxiv.org/abs/1610.09339
Autor:
Panoglou, Despina, Carciofi, Alex C., Vieira, Rodrigo G., Cyr, Isabelle H., Jones, Carol E., Okazaki, Atsuo T., Rivinius, Thomas
Be stars are surrounded by outflowing circumstellar matter structured in the form of decretion discs. They are often members of binary systems, where it is expected that the decretion disc interacts both radiatively and gravitationally with the compa
Externí odkaz:
http://arxiv.org/abs/1605.06674
Akademický článek
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Publikováno v:
ASP Conference Series; 2016, p77-83, 7p