About: Photometric study of the star with changing Blazhko effect: TV Bootis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This study investigates periodic modulation of the light curve of the RRc star TV Boo and its physical parameters based on photometric data. This phenomenon, known as the Blazhko effect, is quite rare among RRc stars. The frequency analysis based on the data gathered at the Masaryk University Observatory (MUO) and also using SuperWASP data revealed symmetrically structured peaks around the main pulsation frequency and its harmonics, which indicate two modulation components of the Blazhko period. The main modulation periodicity was found to be 9.7374 +- 0.0054 d. This is one of the shortest known Blazhko periods among RRc stars. The second modulation period (21.5 +- 0.2 d) causes changes of the Blazhko effect itself. Some indices show that TV Boo could be affected by long-term changes of the order of years. Basic physical parameters were estimated via an MUO V light-curve solution using Fourier parameters. TV Boo seems to be a low-metallicity star with [Fe/H] = -1.89. This study investigates periodic modulation of the light curve of the RRc star TV Boo and its physical parameters based on photometric data. This phenomenon, known as the Blazhko effect, is quite rare among RRc stars. The frequency analysis based on the data gathered at the Masaryk University Observatory (MUO) and also using SuperWASP data revealed symmetrically structured peaks around the main pulsation frequency and its harmonics, which indicate two modulation components of the Blazhko period. The main modulation periodicity was found to be 9.7374 +- 0.0054 d. This is one of the shortest known Blazhko periods among RRc stars. The second modulation period (21.5 +- 0.2 d) causes changes of the Blazhko effect itself. Some indices show that TV Boo could be affected by long-term changes of the order of years. Basic physical parameters were estimated via an MUO V light-curve solution using Fourier parameters. TV Boo seems to be a low-metallicity star with [Fe/H] = -1.89. (en)
Title	Photometric study of the star with changing Blazhko effect: TV Bootis Photometric study of the star with changing Blazhko effect: TV Bootis (en)
skos:prefLabel	Photometric study of the star with changing Blazhko effect: TV Bootis Photometric study of the star with changing Blazhko effect: TV Bootis (en)
skos:notation	RIV/00216224:14310/13:00065978!RIV14-MSM-14310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA205/06/0217), P(GD205/08/H005), S
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Zejda, Miloslav Skarka, Marek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	96110
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00065978
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	variable star; RR Lyr; Blazhko effect; TV Boo (en)
http://linked.open.../riv/klicoveSlovo	Blazhko effect TV Boo variable star RR Lyr
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[A6F0F7E85CA2]
http://linked.open...i/riv/nazevZdroje	Monthly Notices of the Royal Astronomical Society
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Physics of Sun, stars, and stellar systems New approaches to variable stars data processing and interpretation
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	428
http://linked.open...iv/tvurceVysledku	Zejda, Miloslav Skarka, Marek
http://linked.open...ain/vavai/riv/wos	000318229000040
issn	0035-8711
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1093/mnras/sts135
http://localhost/t...ganizacniJednotka	14310

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