Results 11 to 20 of about 1,187 (260)

Interactions between exoplanets and the winds of young stars

open access: yesEPJ Web of Conferences, 2014
The topology of the magnetic field of young stars is important not only for the investigation of magnetospheric accretion, but also responsible in shaping the large-scale structure of stellar winds, which are crucial for regulating the rotation evolution
Vidotto A. A.   +3 more
doaj   +1 more source

A Disk Wind Driving the Rotating Molecular Outflow in CB 26

open access: yesThe Astrophysical Journal, 2023
We present the ^12 CO ( J = 2–1) sensitive molecular line and 1.3 mm continuum observations from the Submillimeter Array (SMA) of the bipolar outflow associated with the young star located in the Bok globule known as CB 26.
J. A. López-Vázquez   +2 more
doaj   +1 more source

Stellar winds in a-type supergiants [PDF]

open access: yesInternational Astronomical Union Colloquium, 1989
The contribution of A supergiant stars to the return of mass and energy to the interstellar medium is not very important. Abbott (1982) analised a sample of early stars and concluded that B and A supergiants provided less than 8 % of the mass input to the ISM by stellar winds.
A. Talavera, A.I. Gomez de Castro
openaire   +1 more source

AGB Winds with Gas-Dust Drift in Stellar Evolution Codes

open access: yesUniverse, 2021
A significant fraction of new metals produced in stars enter the interstellar medium in the form of dust grains. Including dust and wind formation in stellar evolution models of late-stage low- and intermediate-mass stars provides a way to quantify their
Lars Mattsson, Christer Sandin
doaj   +1 more source

X-ray Shaping of Planetary Nebulae

open access: yesGalaxies, 2018
The stellar winds of the central stars of planetary nebulae play an essential role in the shaping of planetary nebulae. In the interacting stellar winds model, the fast stellar wind injects energy and momentum, which are transferred to the nebular ...
Martín A. Guerrero
doaj   +1 more source

Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet

open access: yesThe Astrophysical Journal Letters, 2023
During the first half of their main-sequence lifetimes, stars rapidly lose angular momentum to their magnetized winds, a process known as magnetic braking.
Travis S. Metcalfe   +13 more
doaj   +1 more source

Accretion‐powered Stellar Winds. II. Numerical Solutions for Stellar Wind Torques [PDF]

open access: yesThe Astrophysical Journal, 2008
[Abridged] In order to explain the slow rotation observed in a large fraction of accreting pre-main-sequence stars (CTTSs), we explore the role of stellar winds in torquing down the stars. For this mechanism to be effective, the stellar winds need to have relatively high outflow rates, and thus would likely be powered by the accretion process itself ...
Matt, Sean P., Pudritz, Ralph E.
openaire   +3 more sources

Stellar feedback efficiencies: supernovae versus stellar winds [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2015
Stellar winds and supernova (SN) explosions of massive stars ('stellar feedback') create bubbles in the interstellar medium (ISM) and insert newly produced heavy elements and kinetic energy into their surroundings, possibly driving turbulence. Most of this energy is thermalized and immediately removed from the ISM by radiative cooling.
Fierlinger, Katharina M.   +7 more
openaire   +5 more sources

Magnetospheric outflows in young stellar objects

open access: yesEPJ Web of Conferences, 2014
Different classes of outflows are associated with the magnetospheric activity of accreting T Tauri protostars. Stellar winds are accelerated along the open field lines anchored in the stellar surface; disk winds (extended or X-type) can be launched along
Zanni Claudio
doaj   +1 more source

A Study of Primordial Very Massive Star Evolution

open access: yesThe Astrophysical Journal, 2023
We present new evolutionary models of primordial very massive stars with initial masses ranging from 100 to 1000 M _⊙ that extend from the main sequence to the onset of dynamical instability caused by the creation of electron–positron pairs during core C,
Guglielmo Volpato   +5 more
doaj   +1 more source

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