Results 1 to 10 of about 46,211 (288)
Stellar Mergers Are Common [PDF]
Monthly Notices of the Royal Astronomical Society, 2014 The observed Galactic rate of stellar mergers or the initiation of common envelope phases brighter than M_V=-3 (M_I=-4) is of order 0.5 (0.3)/year with 90% confidence statistical uncertainties of 0.24-1.1 (0.14-0.65) and factor of 2 systematic ...
Adams, Scott M. +2 more
core +5 more sources
Asteroseismic fingerprints of stellar mergers [PDF]
Monthly Notices of the Royal Astronomical Society, 2021 ABSTRACT Stellar mergers are important processes in stellar evolution, dynamics, and transient science. However, it is difficult to identify merger remnant stars because they cannot easily be distinguished from single stars based on their surface properties.
Nicholas Z Rui, Jim Fuller
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Mixing in massive stellar mergers [PDF]
Monthly Notices of the Royal Astronomical Society: Letters, 2007 The early evolution of dense star clusters is possibly dominated by close interactions between stars, and physical collisions between stars may occur quite frequently.
Gaburov, E. +2 more
core +10 more sources
Mergers of accreting stellar-mass black holes [PDF]
Monthly Notices of the Royal Astronomical Society, 2016 We present post-Newtonian $N$-body simulations on mergers of accreting stellar-mass black holes (BHs), where such general relativistic effects as the pericenter shift and gravitational wave (GW) emission are taken into consideration.
Gouda, Naoteru +2 more
core +3 more sources
Simulating a stellar contact binary merger – I. Stellar models [PDF]
Monthly Notices of the Royal Astronomical Society, 2021 ABSTRACT We study the initial conditions of a common envelope (CE) event resulting in a stellar merger. A merger’s dynamics could be understood through its light curve, but no synthetic light curve has yet been created for the full evolution.
Roger W M Hatfull +2 more
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Dense stellar cores in merger remnants [PDF]
The Astrophysical Journal, 1994 We use numerical models which include star formation to analyze the mass profiles of remnants formed by mergers of disk galaxies. During a merger, dissipation in gas and ensuing star formation leave behind a dense stellar core in the remnant. Rather than joining smoothly onto a de Vaucouleurs profile, the starburst population leads to a sharp break in ...
J. Christopher Mihos, Lars Hernquist
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The Astrophysical Journal, 2023 The formation histories of compact binary mergers, especially stellar-mass binary black hole mergers, have recently come under increased scrutiny and revision.
Monica Gallegos-Garcia +2 more
doaj +1 more source
MERGERS AND OBLIQUITIES IN STELLAR TRIPLES [PDF]
The Astrophysical Journal, 2014 Accepted to ApJ, 10 ...
Smadar Naoz, Daniel C. Fabrycky
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Luminous red novae: Stellar mergers or giant eruptions? [PDF]
Astronomy & Astrophysics, 2019 We present extensive datasets for a class of intermediate-luminosity optical transients known as luminous red novae. They show double-peaked light curves, with an initial rapid luminosity rise to a blue peak (at −13 to −15 mag), which is followed by a longer-duration red peak that sometimes is attenuated, resembling a plateau.
Pastorello, A. +38 more
openaire +11 more sources
Magnetic activity in stellar merger products [PDF]
Monthly Notices of the Royal Astronomical Society, 2007 We study the expected X-ray luminosity of stellar merger products several years after merger. The X-ray emission is assumed to result from magnetic activity. The extended envelope of the merger product possesses a large convective region and it is expected to rotate fast.
Soker, Noam, Tylenda, Romuald
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