About: The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet

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About: The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet 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 observed the FUor object Z CMa during optical outburst and quiescence with Chandra. No significant changes in X-ray brightness and spectral shape were found, suggesting that the X-ray emission is coronal. The binary nature of Z CMa makes the origin of the X-ray source ambiguous. However, the moderate hydrogen column density derived from our data makes it unlikely that the embedded primary star is the X-ray source. The secondary star, which is the FUor object, is thus responsible for both the X-ray emission and the ongoing accretion outburst, which seem, however, to be unrelated phenomena. The secondary is also known to drive a large outflow and jet, which we detect here for the first time in X-rays. The distance of the X-ray emitting outflow source to the central star is greater than in jets of low-mass stars. We observed the FUor object Z CMa during optical outburst and quiescence with Chandra. No significant changes in X-ray brightness and spectral shape were found, suggesting that the X-ray emission is coronal. The binary nature of Z CMa makes the origin of the X-ray source ambiguous. However, the moderate hydrogen column density derived from our data makes it unlikely that the embedded primary star is the X-ray source. The secondary star, which is the FUor object, is thus responsible for both the X-ray emission and the ongoing accretion outburst, which seem, however, to be unrelated phenomena. The secondary is also known to drive a large outflow and jet, which we detect here for the first time in X-rays. The distance of the X-ray emitting outflow source to the central star is greater than in jets of low-mass stars. (en)
Title	The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet (en)
skos:prefLabel	The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet The X-ray emission from Z Canis Majoris during an FUor-like outburst and the detection of its X-ray jet (en)
skos:notation	RIV/00216224:14310/09:00035658!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	499
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Mikulášek, Zdeněk
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	352144
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00035658
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	X-rays: stars; accretion; accretion disks; stars: pre-main sequence; stars: variables: general; stars: activity; stars: winds; outflows (en)
http://linked.open.../riv/klicoveSlovo	X-rays: stars stars: activity outflows accretion accretion disks stars: winds stars: pre-main sequence stars: variables: general
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[EFBF931B9DF9]
http://linked.open...i/riv/nazevZdroje	Astronomy and Astrophysics
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...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	2009
http://linked.open...iv/tvurceVysledku	Hubrig, Swetlana Mikulášek, Zdeněk Stelzer, Beate Micela, G. Schöller, M. Orlando, S.
http://linked.open...ain/vavai/riv/wos	000266730500017
issn	0004-6361
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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