Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Romanyuk, Iosif"'
We summarise the results of a spectropolarimetric survey of 56 chemically peculiar (CP) stars in the association of Orion OB1. We uniformly collected the observational material with the 6-m telescope BTA of the Special Astrophysical Observatory in 20
Externí odkaz:
http://arxiv.org/abs/2207.00337
Autor:
Mikulášek, Zdeněk, Krtička, Jiří, Shultz, Matthew E., Henry, Gregory W., Prvák, Milan, David-Uraz, Alexandre, Janík, Jan, Romanyuk, Iosif I., collaboration, MOBSTER
Publikováno v:
PTA Proceedings 2020
HD\,37776 (V901\,Ori, B2\,Vp), also known as Landstreet's Star, is possibly the most remarkable magnetic chemically peculiar (mCP) star known. Zeeman Doppler Imaging revealed this young, rapidly rotating star's surface magnetic field to be not only t
Externí odkaz:
http://arxiv.org/abs/1912.04121
Autor:
Romanyuk, Iosif, Yakunin, Ilya
A total of 85 CP stars of various types are identified among 814 members of the Orion OB1 association. We selected 59 Bp stars, which account for 13.4% of the total number of B type stars in the association. The fraction of peculiar B type stars in t
Externí odkaz:
http://arxiv.org/abs/1309.4276
Autor:
Mikulasek, Zdenek, Krticka, Jiri, Henry, Gregory W., Janik, Jan, Zverko, Juraj, Ziznovsky, Jozef, Zejda, Miloslav, Liska, Jiri, Zverina, Pavel, Kudryavtsev, Dmitry O., Romanyuk, Iosif I., Sokolov, Nikolay A., Lüftinger, Theresa, Trigilio, Corrado, Neiner, Coralie, de Villiers, Stephanus N.
Publikováno v:
A&A 534, L5 (2011)
CU Vir and V901 Ori belong among these few magnetic chemically peculiar stars whose rotation periods vary on timescales of decades. We aim to study the stability of the periods in CU Vir and V901 Ori using all accessible observational data containing
Externí odkaz:
http://arxiv.org/abs/1110.1104
The early-type chemically peculiar stars often show strong magnetic fields on their surfaces. These magnetic topologies are organized on large scales and are believed to be close to an oblique dipole for most of the stars. In a striking exception to
Externí odkaz:
http://arxiv.org/abs/1010.5500
Autor:
Romanyuk, Iosif1 roman@sao.ru
Publikováno v:
Universe (2218-1997). Dec2021, Vol. 7 Issue 12, p1-21. 21p.
Akademický článek
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Akademický článek
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Autor:
Mikulasek, Zdenek, Janik, Jan, Krticka, Jiri, Zejda, Miloslav, Paunzen, Ernst, Romanyuk, Iosif, Yakunin, Ilya, Hummerich, Stefan, Bernhard, Klaus, David-Uraz, Alexandre, Shultz, Matthew
CQ UMa = HD 119213 is a member of an exclusive SrCrEu star club showing significant variability in the c1 index, expressing the Balmer jump's height. The cause of the light variability of those cool mCP stars is not yet known. The group includes, e.g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02c6a997bd7bb1c9e45f009e9012296c
Autor:
Mikul����ek, Zden��k, Krti��ka, Ji����, Shultz, Matthew E., Henry, Gregory W., Prv��k, Milan, David-Uraz, Alexandre, Jan��k, Jan, Romanyuk, Iosif I., collaboration, MOBSTER
HD\,37776 (V901\,Ori, B2\,Vp), also known as Landstreet's Star, is possibly the most remarkable magnetic chemically peculiar (mCP) star known. Zeeman Doppler Imaging revealed this young, rapidly rotating star's surface magnetic field to be not only t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3bf2ad94b50d1b372923e2fb0bcd951
http://arxiv.org/abs/1912.04121
http://arxiv.org/abs/1912.04121