Výsledky vyhledávání - "Nicola Clementel"

3D time-dependent hydrodynamical and radiative transfer modeling of Eta Carinae’s innermost fossil colliding wind structures

Autor: Augusto Damineli, Michael F. Corcoran, Noel D. Richardson, T. R. Gull, Thomas Madura, Gerd Weigelt, K. Hamaguchi, D. J. Hillier, A. F. J. Moffat, Nicola Clementel

Publikováno v: Proceedings of the International Astronomical Union. 14:62-66

Eta Carinae is the most massive active binary within 10,000 light-years. While famous for the largest non-terminal stellar explosion ever recorded, observations reveal a supermassive (∼120 M⊙) binary consisting of an LBV and either a WR or extrem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b5bea45d8f3a7b0ceb066d95380eca49
https://doi.org/10.1017/s1743921318007949

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Tov∞and beyond! The He i absorption variability across the 2014.6 periastron passage of η Carinae

Autor: Theodore R. Gull, M. Teodoro, Michael F. Corcoran, Anthony F. J. Moffat, Jose H. Groh, Thomas I. Madura, Nicola Clementel, Frederick M. Walter, D. John Hillier, Augusto Damineli, Kenji Hamaguchi, Noel D. Richardson, Lucas St-Jean, Christopher M. P. Russell

Publikováno v: Monthly Notices of the Royal Astronomical Society. 461:2540-2558

We have monitored the massive binary star $\eta$ Carinae with the CTIO/SMARTS 1.5~m telescope and CHIRON spectrograph from the previous apastron passage of the system through the recent 2014.6 periastron passage. Our monitoring has resulted in a larg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08bb8f9e49e9ec93477157ad7bf0faa4
https://doi.org/10.1093/mnras/stw1415

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The fossil wind structures of Eta Carinae: changes across on 5.54-year cycle

Autor: D. John Hillier, Gerd Weigelt, Kenji Hamaguchi, Thomas I. Madura, Noel D. Richardson, M. Teodoro, Theodore R. Gull, Nicola Clementel, Augusto Damineli, Keith Feggans, Michael F. Corcoran, Jose H. Groh, Anthony F. J. Moffat, Don J. Lindler

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Eta Carinae, the closest, active, massive binary containing a highly unstable LBV, exhibits expanding, compressed wind shells, seen in emission, that are spatially and spectrally resolved by \hst/\stis. Starting in June 2009, these structures were ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53cfdfe03ef2294f5975950e9d2d4726
http://arxiv.org/abs/1608.06193

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VLTI-AMBER velocity-resolved aperture-synthesis imaging of Eta Carinae with a spectral resolution of 12000. Studies of the primary star wind and innermost wind-wind collision

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2016, ⟨10.1051/0004-6361/201628832⟩

International audience; Context. The mass loss from massive stars is not understood well. Eta Car is a unique object for studying the massive stellar wind during the LBV phase. It is also an eccentric binary with a period of 5.54 yr. The nature of bo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e1398ed82b1220d3cf97bd3ced6cae2

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3D radiative transfer simulations of Eta Carinae's inner colliding winds - I. Ionization structure of helium at apastron

Autor: Theodore R. Gull, C. J. H. Kruip, Jan-Pieter Paardekooper, Thomas I. Madura, Nicola Clementel

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 447(3), 2445-2458

The highly eccentric binary system Eta Carinae shows numerous time-variable emission and absorption features. These observational signatures are the result of interactions between the complex three-dimensional (3D) wind-wind collision regions and pho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3e58e00494f21c3981cf45083795931

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4-D Imaging and Modeling of Eta Carinae’s Inner Fossil Wind Structures

Autor: Noel Richardson, Anthony F. J. Moffat, Gerd Weigelt, Keith Feggans, J. H. Groh, Nicola Clementel, Thomas I. Madura, Kenji Hamaguchi, Michael F. Corcoran, Mairan Teodoro, D. John Hillier, Don Lindler, Theodore R. Gull, Augusto Damineli

Publikováno v: Proceedings of the International Astronomical Union. 12:420-420

Eta Carinae is the most massive active binary within 10,000 light-years and is famous for the largest non-terminal stellar explosion ever recorded. Observations reveal that the supermassive (~120 M⊙) binary, consisting of an LBV and either a WR or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71810b3b2f676f06be8fe6421a0bd986
https://doi.org/10.1017/s1743921317000291

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