About: A probable pre-main sequence chemically peculiar star in the open cluster Stock 16

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About: A probable pre-main sequence chemically peculiar star in the open cluster Stock 16 Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We used the Ultraviolet and Visual Echelle Spectrograph of the ESO-Very Large Telescope to obtain a high resolution and high signal-to-noise ratio spectrum of Stock 16-12, an early-type star which previous Delta a photometric observations suggest being a chemically peculiar (CP) star. We used spectral synthesis to perform a detailed abundance analysis obtaining an effective temperature of 8400 +/- 400 K, a surface gravity of 4.1 +/- 0.4, a microturbulence velocity of 3.4(-0.3)(+0.7) km/s, and a projected rotational velocity of 68 +/- 4 km/s. We provide photometric and spectroscopic evidence showing the star is most likely a member of the young Stock 16 open cluster (age 3-8 Myr). The probable cluster membership, the star's position in the Hertzsprung-Russell diagram, and the found infrared excess strongly suggest the star is still in the pre-main-sequence (PMS) phase. We used PMS evolutionary tracks to determine the stellar mass, which ranges between 1.95 and 2. We used the Ultraviolet and Visual Echelle Spectrograph of the ESO-Very Large Telescope to obtain a high resolution and high signal-to-noise ratio spectrum of Stock 16-12, an early-type star which previous Delta a photometric observations suggest being a chemically peculiar (CP) star. We used spectral synthesis to perform a detailed abundance analysis obtaining an effective temperature of 8400 +/- 400 K, a surface gravity of 4.1 +/- 0.4, a microturbulence velocity of 3.4(-0.3)(+0.7) km/s, and a projected rotational velocity of 68 +/- 4 km/s. We provide photometric and spectroscopic evidence showing the star is most likely a member of the young Stock 16 open cluster (age 3-8 Myr). The probable cluster membership, the star's position in the Hertzsprung-Russell diagram, and the found infrared excess strongly suggest the star is still in the pre-main-sequence (PMS) phase. We used PMS evolutionary tracks to determine the stellar mass, which ranges between 1.95 and 2. (en)
Title	A probable pre-main sequence chemically peculiar star in the open cluster Stock 16 A probable pre-main sequence chemically peculiar star in the open cluster Stock 16 (en)
skos:prefLabel	A probable pre-main sequence chemically peculiar star in the open cluster Stock 16 A probable pre-main sequence chemically peculiar star in the open cluster Stock 16 (en)
skos:notation	RIV/00216224:14310/14:00073926!RIV15-MSM-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(7AMB14AT015), P(GP14-26115P)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Paunzen, Ernst Netopil, Martin
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	1060
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/14:00073926
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stars: abundances; stars: chemically peculiar; stars: individual: Stock 16-12; stars: pre-main-sequence; open clusters and associations: individual: Stock 16 (en)
http://linked.open.../riv/klicoveSlovo	stars: abundances stars: chemically peculiar open clusters and associations: individual: Stock 16 stars: individual: Stock 16-12 stars: pre-main-sequence
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[64408A4E71AF]
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	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Nový pohled na magnetické hvězdy Vstříc k jednotné škále metalicity pro otevřené hvězdokupy
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	442
http://linked.open...iv/tvurceVysledku	Paunzen, Ernst Netopil, Martin Pintado, Olga Bagnulo, Stefano Fossati, Luca Zwintz, Konstanze
http://linked.open...ain/vavai/riv/wos	000339924900075
issn	0035-8711
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1093/mnras/stu1130
http://localhost/t...ganizacniJednotka	14310

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