Search Results - "Meynet, Georges"

Stellar winds and metal enrichment from fast-rotating Population III stars by Liu, Boyuan, Sibony, Yves, Meynet, Georges, Bromm, Volker

“…ABSTRACT Stellar winds from fast-rotating Population III (Pop III) stars have long been suspected to make important contributions to early metal enrichment, as…”
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Rotating massive stars: From first stars to gamma ray bursts by Maeder, André, Meynet, Georges

“…How does rotation change the evolution, end stages, and stellar winds as well as types of supernovae explosions? This question is not only of importance for…”
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Is GW190521 the merger of black holes from the first stellar generations? by Farrell, Eoin, Groh, Jose H, Hirschi, Raphael, Murphy, Laura, Kaiser, Etienne, Ekström, Sylvia, Georgy, Cyril, Meynet, Georges

“…ABSTRACT GW190521 challenges our understanding of the late-stage evolution of massive stars and the effects of the pair instability in particular. We discuss…”
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The Time-averaged Mass-loss Rates of Red Supergiants as Revealed by Their Luminosity Functions in M31 and M33 by Massey, Philip, Neugent, Kathryn F., Ekström, Sylvia, Georgy, Cyril, Meynet, Georges

“…Abstract Mass loss in red supergiants (RSGs) is generally recognized to be episodic, but mass-loss prescriptions fail to reflect this. Evolutionary models show…”
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THE EFFECTS OF STELLAR ROTATION. I. IMPACT ON THE IONIZING SPECTRA AND INTEGRATED PROPERTIES OF STELLAR POPULATIONS by LEVESQUE, Emily M, LEITHERER, Claus, EKSTROM, Sylvia, MEYNET, Georges, SCHAERER, Daniel

“…We present a sample of synthetic massive stellar populations created using the Starburst99 evolutionary synthesis code and new sets of stellar evolutionary…”
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The Luminosity Function of Red Supergiants in M31 by Neugent, Kathryn F., Massey, Philip, Georgy, Cyril, Drout, Maria R., Mommert, Michael, Levesque, Emily M., Meynet, Georges, Ekström, Sylvia

“…The mass-loss rates of red supergiant stars (RSGs) are poorly constrained by direct measurements, and yet the subsequent evolution of these stars depends…”
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Massive Black Holes Regulated by Luminous Blue Variable Mass Loss and Magnetic Fields by Groh, Jose H., Farrell, Eoin J., Meynet, Georges, Smith, Nathan, Murphy, Laura, Allan, Andrew P., Georgy, Cyril, Ekstroem, Sylvia

“…We investigate the effects of mass loss during the main-sequence (MS) and post-MS phases of massive star evolution on black hole (BH) birth masses. We compute…”
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THE EVOLUTION OF ROTATING STARS by Maeder, André, Meynet, Georges

“…In this article we first review the main physical effects to be considered in the building of evolutionary models of rotating stars on the Upper Main-Sequence…”
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Imprints of fast-rotating massive stars in the Galactic Bulge by Chiappini, Cristina, Frischknecht, Urs, Meynet, Georges, Hirschi, Raphael, Barbuy, Beatriz, Pignatari, Marco, Decressin, Thibaut, Maeder, André

“…Spinstars lead the way NGC 6522, the oldest globular cluster in our Galaxy, probably witnessed the earliest phases of the chemical enrichment of the Universe,…”
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Spectacular Nucleosynthesis from Early Massive Stars by Ji, Alexander P., Curtis, Sanjana, Storm, Nicholas, Chandra, Vedant, C. Schlaufman, Kevin, G. Stassun, Keivan, Heger, Alexander, Pignatari, Marco, Price-Whelan, Adrian M., Bergemann, Maria, Stringfellow, Guy S., Fröhlich, Carla, Reggiani, Henrique, Holmbeck, Erika M., Tayar, Jamie, Shah, Shivani P., Griffith, Emily J., Laporte, Chervin F. P., Casey, Andrew R., Hawkins, Keith, Horta, Danny, Cerny, William, Thibodeaux, Pierre, Usman, Sam A., Amarante, João A. S., Beaton, Rachael L., Cargile, Phillip A., Chiappini, Cristina, Conroy, Charlie, Johnson, Jennifer A., Kollmeier, Juna A., Li, Haining, Loebman, Sarah, Meynet, Georges, Bizyaev, Dmitry, Brownstein, Joel R., Gupta, Pramod, Morrison, Sean, Pan, Kaike, Ramirez, Solange V., Rix, Hans-Walter, Sánchez-Gallego, José

“…Abstract Stars that formed with an initial mass of over 50 M ⊙ are very rare today, but they are thought to be more common in the early Universe. The fates of…”
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The Effective Temperatures and Physical Properties of Magellanic Cloud Red Supergiants: The Effects of Metallicity by Levesque, Emily M, Massey, Philip, Olsen, K. A. G, Plez, Bertrand, Meynet, Georges, Maeder, Andre

“…We present moderate-resolution spectrophotometry of 36 red supergiants (RSGs) in the LMC and 37 RSGs in the SMC. Using the MARCS atmosphere models to fit this…”
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Yellow Supergiants in the Small Magellanic Cloud: Putting Current Evolutionary Theory to the Test by Neugent, Kathryn F, Massey, Philip, Skiff, Brian, Drout, Maria R, Meynet, Georges, Olsen, Knut A. G

“…The yellow supergiant content of nearby galaxies provides a critical test of massive star evolutionary theory. While these stars are the brightest in a galaxy,…”
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HAYDN by Miglio, Andrea, Girardi Léo, Grundahl, Frank, Mosser Benoit, Bastian, Nate, Bragaglia Angela, Brogaard Karsten, Buldgen Gaël, Chantereau, William, Chaplin, William, Chiappini, Cristina, Marc-Antoine, Dupret, Eggenberger, Patrick, Gieles, Mark, Izzard, Robert, Kawata Daisuke, Karoff Christoffer, Lagarde Nadège, Mackereth, Ted, Magrin Demetrio, Meynet Georges, Michel, Eric, Montalbán Josefina, Nascimbeni Valerio, Noels Arlette, Piotto Giampaolo, Ragazzoni, Roberto, Soszyński Igor, Tolstoy Eline, Toonen, Silvia, Triaud Amaury, Vincenzo Fiorenzo

“…In the last decade, the Kepler and CoRoT space-photometry missions have demonstrated the potential of asteroseismology as a novel, versatile and powerful tool…”
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MAGNETIC BRAKING OF STELLAR CORES IN RED GIANTS AND SUPERGIANTS by Maeder, André, Meynet, Georges

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How rotation affects masses and ages of classical Cepheids by Anderson, Richard I., Ekström, Sylvia, Georgy, Cyril, Meynet, Georges, Saio, Hideyuki

“…Classical Cepheid variable stars are both sensitive astrophysical laboratories and accurate cosmic distance tracers. We have recently investigated how the…”
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Dynamical evolution of population III stellar systems and the resulting binary statistics by Liu, Boyuan, Meynet, Georges, Bromm, Volker

“…ABSTRACT We use N-body simulations to study the dynamical evolution of population III (Pop III) stellar systems and the resulting binary statistics. We design…”
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Correction to: Dynamical evolution of population III stellar systems and the resulting binary statistics by Liu, Boyuan, Meynet, Georges, Bromm, Volker

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Evolution of blue supergiants and α Cygni variables: puzzling CNO surface abundances by Saio, Hideyuki, Georgy, Cyril, Meynet, Georges

“…A massive star can enter the blue supergiant region either by evolving directly from the main sequence, or by evolving from a previous red supergiant stage…”
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Chemical Abundances in the Secondary Star in the Black Hole Binary A0620–00 by González Hernández, Jonay I, Rebolo, Rafael, Israelian, Garik, Casares, Jorge, Maeder, Andre, Meynet, Georges

“…Using a high-resolution spectrum of the secondary star in the black hole binary A0620-00, we have derived the stellar parameters and veiling caused by the…”
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The puzzle of the CNO abundances of α Cygni variables resolved by the Ledoux criterion by Georgy, Cyril, Saio, Hideyuki, Meynet, Georges

“…Recent stellar evolution computations show that the blue supergiant (BSG) stars could come from two distinct populations: a first group arising from massive…”
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