Results 1 to 10 of about 20,557 (265)
Differential rotation in F stars [PDF]
Astronomische Nachrichten, 2007 Differential rotation can be detected in single line profiles of stars rotating more rapidly than about v sin i = 10 km s(-1) with the Fourier transform technique.
A. Reiners, Reiners, Ansgar
core +4 more sources
Differential rotation in K, G, F and A stars
Monthly Notices of the Royal Astronomical Society, 2016 Rotational light modulation in Kepler photometry of K-A stars is used to estimate the absolute rotational shear. The rotation frequency spread in 2562 carefully selected stars with known rotation periods is measured using time-frequency diagrams. Because
L A Balona, O P Abedigamba, Balona L A
exaly +3 more sources
Rotational modulation in A and F stars: Magnetic stellar spots or convective core rotation? [PDF]
, 2023 The Kepler mission revealed a plethora of stellar variability in the light curves of many stars, some associated with magnetic activity or stellar oscillations.
Kurtz, Donald Wayne +14 more
core +1 more source
On the Rotation of Supermassive Stars [PDF]
The Astrophysical Journal Letters, 2018 Abstract Supermassive stars (SMSs) born from pristine gas in atomically cooled halos are thought to be the progenitors of supermassive black holes at high redshifts. However, the way they accrete their mass is still an unsolved problem. In particular, for accretion to proceed, a large amount of angular momentum has to be extracted from ...
Lionel Haemmerlé +4 more
openaire +3 more sources
The Astrophysical Journal, 2015 The internal rotation of post-main sequence stars is investigated, in response to the convective pumping of angular momentum toward the stellar core, combined with a tight magnetic coupling between core and envelope. The spin evolution is calculated using model stars of initial mass 1, 1.5 and $5\,M_\odot$, taking into account mass loss on the giant ...
Yevgeni Kissin, Christopher Thompson
openaire +2 more sources
Communications in Mathematical Physics, 2019 A rotating star may be modeled as a continuous system of particles attracted to each other by gravity and with a given total mass and prescribed angular velocity. Mathematically this leads to the Euler-Poisson system. We prove an existence theorem for such stars that are rapidly rotating, depending continuously on the speed of rotation.
Walter A. Strauss, Yilun Wu
openaire +2 more sources
Populations of rotating stars [PDF]
Astronomy & Astrophysics, 2013 Accepted for publication in A&A, language ...
Granada +7 more
openaire +2 more sources
Regular Modes in Rotating Stars [PDF]
Physical Review Letters, 2011 5 pages, 4 figures, discussion ...
Pasek, Michael +3 more
openaire +4 more sources
Gravitoastronomy with neutron stars [PDF]
, 2004 Recent advances in gravitational wave detectors mean that we can start to make astrophysically important statements about the physics of neutron stars based on observed upper limits to their gravitational luminosity.
Woan, G., Graham Woan
core +1 more source
The effect of tides on near-core rotation: analysis of 35 Kepler γ Doradus stars in eclipsing and spectroscopic binaries [PDF]
, 2020 We systematically searched for gravity- and Rossby-mode period spacing patterns in Kepler eclipsing binaries with γ Doradus pulsators. These stars provide an excellent opportunity to test the theory of tidal synchronization and angular momentum transport
Murphy, Simon J. +6 more
core +1 more source