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Dive into the research topics where J. Sikora is active.

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Featured researches published by J. Sikora.


Monthly Notices of the Royal Astronomical Society | 2016

HD 35502: a hierarchical triple system with a magnetic B5IVpe primary

J. Sikora; G. A. Wade; David A. Bohlender; Matt Shultz; Saul Adelman; E. Alecian; David A. Hanes; Dmitry Monin; Coralie Neiner; BinaMIcS Collaborations

We present our analysis of HD~35502 based on high- and medium-resolution spectropolarimetric observations. Our results indicate that the magnetic B5IVsnp star is the primary component of a spectroscopic triple system and that it has an effective temperature of


Monthly Notices of the Royal Astronomical Society | 2015

The magnetic field and spectral variability of the He-weak star HR 2949

M. Shultz; Th. Rivinius; C. P. Folsom; G. A. Wade; R. H. D. Townsend; J. Sikora; J. Grunhut; Otmar Stahl

18.4\pm0.6\,{\rm kK}


Monthly Notices of the Royal Astronomical Society | 2017

HD 164492C: a rapidly rotating, Hα-bright, magnetic early B star associated with a 12.5 d spectroscopic binary

G. A. Wade; M. Shultz; J. Sikora; M. É. Bernier; Th. Rivinius; E. Alecian; V. Petit; J. Grunhut

, a mass of


Monthly Notices of the Royal Astronomical Society | 2018

The Magnetic Early B-type Stars I: Magnetometry and Rotation

M. Shultz; G. A. Wade; Th. Rivinius; C. Neiner; E. Alecian; David A. Bohlender; Dmitry Monin; J. Sikora; MiMeS; BinaMIcS Collaborations

5.7\pm0.6\,M_\odot


Monthly Notices of the Royal Astronomical Society | 2015

Confirming HD 23478 As A New Magnetic B Star Hosting An Hα-Bright Centrifugal Magnetosphere

J. Sikora; G. A. Wade; David A. Bohlender; Coralie Neiner; M. E. Oksala; M. Shultz; David H. Cohen; Asif ud-Doula; J. Grunhut; Dmitry Monin; Stanley P. Owocki; V. Petit; T. Rivinus; R. H. D. Townsend

, and a polar radius of


Archive | 2017

Understanding the fossil magnetic fields of Ap/Bp stars: Conclusions from a volume-limited survey

J. Sikora; G. A. Wade; Jennifer Power

3.0^{+1.1}_{-0.5}\,R_\odot


Archive | 2017

Deciphering the Surprising Variability of A-type Stars Revealed by Kepler

J. Sikora; G. A. Wade; Jason Rowe

. The two secondary components are found to be essentially identical A-type stars for which we derive effective temperatures (


arXiv: Solar and Stellar Astrophysics | 2017

Discovery of a magnetic field in

C. Neiner; G. A. Wade; J. Sikora

8.9\pm0.3\,{\rm kK}


Archive | 2017

\rho

Sean B. Begy; G. A. Wade; G. Handler; Andrzej Pigulski; J. Sikora; Matt Shultz

), masses (


arXiv: Solar and Stellar Astrophysics | 2016

Pup

G. A. Wade; D. H. Cohen; C. Fletcher; G. Handler; L. Huang; Jiří Krtička; C. Neiner; E. Niemczura; H. Pablo; E. Paunzen; V. Petit; A. Pigulski; Th. Rivinius; Jason F. Rowe; M. Rybicka; R. H. D. Townsend; M. Shultz; J. Silvester; J. Sikora

2.1\pm0.2\,M_\odot

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G. A. Wade

Royal Military College of Canada

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Th. Rivinius

European Southern Observatory

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Dmitry Monin

National Research Council

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Matt Shultz

Royal Military College of Canada

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C. Neiner

PSL Research University

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R. H. D. Townsend

University of Wisconsin-Madison

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V. Petit

Florida Institute of Technology

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J. Grunhut

European Southern Observatory

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