Primordial mass segregation of star clusters: The role of binary stars
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F20%3A00537738" target="_blank" >RIV/67985815:_____/20:00537738 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0315591" target="_blank" >http://hdl.handle.net/11104/0315591</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.31577/caosp.2020.50.2.456" target="_blank" >10.31577/caosp.2020.50.2.456</a>
Alternative languages
Result language
angličtina
Original language name
Primordial mass segregation of star clusters: The role of binary stars
Original language description
Observational results of young star-forming regions suggest that star clusters are completely mass segregated at birth. As a star cluster evolves dynamically, these initial conditions are gradually lost. For star clusters with single stars only and a canonical IMF, it has been suggested that traces of these initial conditions vanish at tau(v) between 3 and 3.5 half-mass relaxation times. Here, by means of numerical models, we investigate the role of the primordial binary population on the loss of primordial mass segregation. We found that tau(v) does not depend on the binary star distribution, yielding 3 < tau(v)/t(rh) < 3.5. We also conclude that the completely mass segregated clusters, even with binaries, are more compatible with the present-day ONC than the non-segregated ones.
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/GC19-01137J" target="_blank" >GC19-01137J: Largest black holes in the sky: origin and evolution of horizon-scale structures</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
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
1336-0337
e-ISSN
—
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
456-460
UT code for WoS article
000523574300017
EID of the result in the Scopus database
2-s2.0-85087059396