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Mass and angular momentum loss via decretion disks

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F11%3A00049699" target="_blank" >RIV/00216224:14310/11:00049699 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361/201015951&Itemid=129" target="_blank" >http://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361/201015951&Itemid=129</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1051/0004-6361/201015951" target="_blank" >10.1051/0004-6361/201015951</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mass and angular momentum loss via decretion disks

  • Original language description

    We examine the nature and role of mass loss via an equatorial decretion disk in massive stars with near-critical rotation induced by evolution of the stellar interior. In contrast to the usual stellar wind mass loss set by exterior driving from the stellar luminosity, such decretion-disk mass loss stems from the angular momentum loss needed to keep the star near and below critical rotation, given the interior evolution and decline in the star?s moment of inertia. Because the specific angular momentum ina Keplerian disk increases with the square root of the radius, the decretion mass loss associated with a required level of angular momentum loss depends crucially on the outer radius for viscous coupling of the disk, and can be significantly less than the spherical, wind-like mass loss commonly assumed in evolutionary calculations.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BN - Astronomy and celestial mechanics, astrophysics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA205%2F08%2F0003" target="_blank" >GA205/08/0003: Mass-loss rate predictions for hot stars</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Astronomy and Astrophysics

  • ISSN

    0004-6361

  • e-ISSN

  • Volume of the periodical

    527

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    9

  • Pages from-to

    "A84"-"1"-"A84"-"9"

  • UT code for WoS article

    000287484100099

  • EID of the result in the Scopus database