Improved physical properties of the quadruple sub-system with the eclipsing binary QZ Carinae
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F20%3A10422466" target="_blank" >RIV/00216208:11320/20:10422466 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=evdpHE5fsT" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=evdpHE5fsT</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.31577/caosp.2020.50.2.580" target="_blank" >10.31577/caosp.2020.50.2.580</a>
Alternative languages
Result language
angličtina
Original language name
Improved physical properties of the quadruple sub-system with the eclipsing binary QZ Carinae
Original language description
Using a collection of 79 spectra of the quadruple system QZ Car, we were able - for the first time in the optical region - to measure radial velocities of both components of the eclipsing subsystem Ac, and in combination with the photometric solution to obtain masses and radii of both bodies. We confirm that the Ac binary is a semi-detached system with a brighter primary Ac1 and a more massive secondary Ac2. Variations due to the light-time effect and secular changes in the systemic velocities of both binaries, Aa and Ac, allowed us to estimate the period of mutual orbit of binaries Aa and Ac to be about 11700 d. Preliminary improved basic properties of the system and its components are provided.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
<a href="/en/project/GA19-01995S" target="_blank" >GA19-01995S: Studying long-term variability and duplicity of individual classical as well as other Be stars with multi-technique observations</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Contributions of the Astronomical Observatory Skalnate Pleso
ISSN
1335-1842
e-ISSN
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Volume of the periodical
50
Issue of the periodical within the volume
2
Country of publishing house
SK - SLOVAKIA
Number of pages
5
Pages from-to
580-584
UT code for WoS article
000523574300043
EID of the result in the Scopus database
2-s2.0-85087069367