About: A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars

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About: A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We have analysed the photometric data obtained with the STEREO spacecraft for 558 nonmagnetic chemically peculiar (CP) stars to search for rotational and pulsational variability. Applying the Lomb-Scargle and the phase dispersion minimization methods, we have detected photometric variability for 44 objects from which 35 were previously unknown. The new objects are all bright stars on the ecliptic plane (magnitude range 4.7 < V < 11.7) and will therefore be of great interest to studies of stellar structure and evolution. In particular, several show multiple signals consistent with hybrid delta Scuti and gamma Doradus pulsation, with different periodicities allowing very different regions of the stellar interior to be studied. There are two subgroups of stars in our sample: the cool metallic line Am (CP1) and the hot HgMn (CP3) stars. These objects fall well inside the classical instability strip where delta Scuti, gamma Doradus and slowly pulsating B-type stars are located. We have analysed the photometric data obtained with the STEREO spacecraft for 558 nonmagnetic chemically peculiar (CP) stars to search for rotational and pulsational variability. Applying the Lomb-Scargle and the phase dispersion minimization methods, we have detected photometric variability for 44 objects from which 35 were previously unknown. The new objects are all bright stars on the ecliptic plane (magnitude range 4.7 < V < 11.7) and will therefore be of great interest to studies of stellar structure and evolution. In particular, several show multiple signals consistent with hybrid delta Scuti and gamma Doradus pulsation, with different periodicities allowing very different regions of the stellar interior to be studied. There are two subgroups of stars in our sample: the cool metallic line Am (CP1) and the hot HgMn (CP3) stars. These objects fall well inside the classical instability strip where delta Scuti, gamma Doradus and slowly pulsating B-type stars are located. (en)
Title	A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars (en)
skos:prefLabel	A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars A photometric study of chemically peculiar stars with the STEREO satellites - II. Non-magnetic chemically peculiar stars (en)
skos:notation	RIV/00216224:14310/13:00066284!RIV14-MSM-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(7AMB12AT003), P(GAP209/12/0217)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Paunzen, Ernst
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	58936
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00066284
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	techniques: photometric; catalogues; stars: chemically peculiar; stars: rotation; stars: variables: delta Scuti (en)
http://linked.open.../riv/klicoveSlovo	stars: rotation stars: chemically peculiar catalogues techniques: photometric stars: variables: delta Scuti
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5253059C3BB9]
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	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Variable stars in open clusters Multispectral variability of hot stars and its nature
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	429
http://linked.open...iv/tvurceVysledku	Paunzen, Ernst Bewsher, D. Fossati, L. Netopil, Martin Wraight, K. T. White, G. J.
http://linked.open...ain/vavai/riv/wos	000318238300032
issn	0035-8711
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1093/mnras/sts318
http://localhost/t...ganizacniJednotka	14310

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