About: Rotational periods of magnetic chemically peculiar stars

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Magnetic chemically peculiar (mCP) stars of the upper part of the main sequence usually exhibit strictly periodic variations of their light, spectrum and magnetic field. These changes can be well explained using the oblique rotator model of the rigidly rotating star with persistent photometric spots, uneven horizontal abundance of chemical elements and dipole-like magnetic field. Long-term observations of mCP stars variability enable to determine their rotational periods with an extraordinary accuracy and reliability. <p> We compare rotational periods of mCP stars with those of normal main sequence stars of the same spectral type and discuss the found discrepancies. We also discuss the cases of mCP stars V901 Ori, SX Ari, CU Vir, (and possibly also EE Dra), which have been reported to display an increase of their rotational periods.</p> Magnetic chemically peculiar (mCP) stars of the upper part of the main sequence usually exhibit strictly periodic variations of their light, spectrum and magnetic field. These changes can be well explained using the oblique rotator model of the rigidly rotating star with persistent photometric spots, uneven horizontal abundance of chemical elements and dipole-like magnetic field. Long-term observations of mCP stars variability enable to determine their rotational periods with an extraordinary accuracy and reliability. <p> We compare rotational periods of mCP stars with those of normal main sequence stars of the same spectral type and discuss the found discrepancies. We also discuss the cases of mCP stars V901 Ori, SX Ari, CU Vir, (and possibly also EE Dra), which have been reported to display an increase of their rotational periods.</p> (en)
Title	Rotational periods of magnetic chemically peculiar stars Rotational periods of magnetic chemically peculiar stars (en)
skos:prefLabel	Rotational periods of magnetic chemically peculiar stars Rotational periods of magnetic chemically peculiar stars (en)
skos:notation	RIV/00216224:14310/08:00025153!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA205/06/0217), P(GD205/08/H005), P(MEB080832)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zverko, Juraj Zejda, Miloslav Žižnovský, Jozef Mikulášek, Zdeněk Krtička, Jiří Szász, Gabriel Gráf, Tomáš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	393329
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/08:00025153
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	rotation; chemically peculiar stars; stars individual: V901 Ori; EE Dra; 56 Ari; CU Vir (en)
http://linked.open.../riv/klicoveSlovo	rotation chemically peculiar stars 56 Ari CU Vir EE Dra stars individual: V901 Ori
http://linked.open...ontrolniKodProRIV	[134068EA427B]
http://linked.open...v/mistoKonaniAkce	Canakkale, Turecko
http://linked.open...i/riv/mistoVydani	Canakkale - Turecko
http://linked.open...i/riv/nazevZdroje	XVI. Ulusal astronomi kongresi, V. Ulusal ögrenci astronomi kongresi
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Physics of Sun, stars, and stellar systems New approaches to variable stars data processing and interpretation Spectral energy distribution in chemically peculiar stars and its variability
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Mikulášek, Zdeněk Zejda, Miloslav Krtička, Jiří Zverko, Juraj Žižnovský, Jozef Szász, Gabriel Gráf, Tomáš
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2008-09-08 (xsd:date)
number of pages	13 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Canakkale Onsekiz Mart Üniversitesi Yamlari
https://schema.org/isbn	975-8100-33-5
http://localhost/t...ganizacniJednotka	14310

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