Results 21 to 30 of about 3,913,690 (210)
The red supergiants & Wolf-Rayet stars of NGC 604 [PDF]
Monthly Notices of the Royal Astronomical Society, 2010 We study the post-main sequence stars in NGC 604, the most luminous HII region in M33. Previously, a number of Wolf-Rayet (WR) stars and one red supergiant (RSG) have been discovered. Based on broadband photometry of the region, we present evidence that is consistent with the presence of this RSG and with three more RSG candidates.
Eldridge, John J., Relano, Monica
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On the Explosion Geometry of Red Supergiant Stars [PDF]
Proceedings of the International Astronomical Union, 2015 AbstractWe present the observed “continuum” levels of polarization as a function of time for four well-observed Type II-Plateau supernovae (SNe II-P; Fig. 1), the class of SNe decisively determined to arise from red supergiant stars (Smartt 2009). All four objects show temporally increasing degrees of polarization through the end of the photospheric ...
Douglas C. Leonard +16 more
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Tomography of the red supergiant star μ Cep
Proceedings of the International Astronomical Union, 2018 AbstractA tomographic method, aiming at probing velocity fields at depth in stellar atmospheres, is applied to the red supergiant star μ Cep and to snapshots of 3D radiative-hydrodynamics simulation in order to constrain atmospheric motions and relate them to photometric variability.
K. Kravchenko +5 more
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LUMINOUS AND VARIABLE STARS IN M31 AND M33. III. THE YELLOW AND RED SUPERGIANTS AND POST-RED SUPERGIANT EVOLUTION* [PDF]
The Astrophysical Journal, 2016 ABSTRACT Recent supernova (SN) and transient surveys have revealed an increasing number of non-terminal stellar eruptions. Though the progenitor class of these eruptions includes the most luminous stars, little is known of the pre-SN mechanics of massive stars in their most evolved state, thus motivating a census of possible progenitors.
Michael S. Gordon +2 more
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New Candidate Massive Clusters from 2MASS [PDF]
, 2013 Massive stars are important for the evolution of the interstellar medium. The detailed study of their properties (such as mass loss, rotation, magnetic fields) is enormously facilitated by samples of these objects in young massive galactic star clusters.
Dirk Froebrich, Froebrich, Dirk
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Atmospheric Dynamics of Red Supergiant Stars and Interferometry [PDF]
EAS Publications Series, 2008 6 pages, Perspectives in Radiative Transfer and Interferometry, EAS publication ...
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Hiding in plain sight - red supergiant imposters? Super-AGB stars [PDF]
, 2015 Super Asymptotic Giant Branch (Super-AGB) stars reside in the mass range ˜ 6.5-10 M¿ and bridge the divide between low/intermediate-mass and massive stars.
Siess, Lionel +8 more
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Tomography of cool giant and supergiant star atmospheres [PDF]
Astronomy & Astrophysics, 2019 Context. Red supergiants are cool massive stars and are the largest and the most luminous stars in the Universe. They are characterized by irregular or semi-regular photometric variations, the physics of which is not clearly understood. Aims. The paper aims to derive the velocity field in the red supergiant star μ Cep and to relate it to the ...
Kravchenko, K. +6 more
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Asteroseismology: Looking for Axions in the Red Supergiant Star Alpha Ori
The Astrophysical Journal, 2023 Abstract In this work, for the first time, we use seismic data as well as surface abundances to model the supergiant α-Ori, with the goal of setting an upper bound on the axion–photon coupling constant g a γ . We find that, in general, stellar models with g
Clara Severino, Ilídio Lopes
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BVR PHOTOMETRY OF SUPERGIANT STARS IN HOLMBERG II [PDF]
, 2006 We report the photometric properties in BVR bands for the resolved bright supergiant stars in the dwarf galaxy Holmberg II. The color-magnitude diagrams and color-color diagram of 374 resolved stars indicate that the majority of the member stars are ...
J.-M. Lee +16 more
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