Search Results - "Bauer, Evan B."

Carbon–Oxygen Phase Separation in Modules for Experiments in Stellar Astrophysics (MESA) White Dwarf Models by Bauer, Evan B.

“…Abstract We enhance the treatment of crystallization for models of white dwarfs (WDs) in the stellar evolution software Modules for Experiments in Stellar…”
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Modules for Experiments in Stellar Astrophysics (MESA): Time-dependent Convection, Energy Conservation, Automatic Differentiation, and Infrastructure by Jermyn, Adam S., Bauer, Evan B., Schwab, Josiah, Farmer, R., Ball, Warrick H., Bellinger, Earl P., Dotter, Aaron, Joyce, Meridith, Marchant, Pablo, Mombarg, Joey S. G., Wolf, William M., Sunny Wong, Tin Long, Cinquegrana, Giulia C., Farrell, Eoin, Smolec, R., Thoul, Anne, Cantiello, Matteo, Herwig, Falk, Toloza, Odette, Bildsten, Lars, Townsend, Richard H. D., Timmes, F. X.

“…Abstract We update the capabilities of the open-knowledge software instrument Modules for Experiments in Stellar Astrophysics ( MESA ). The new auto _ diff…”
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Reinterpreting the Polluted White Dwarf SDSS J122859.93+104032.9 in Light of Thermohaline Mixing Models: More Polluting Material from a Larger Orbiting Solid Body by Dwomoh, Arianna M., Bauer, Evan B.

“…Abstract The polluted white dwarf (WD) system SDSS J122859.93+104032.9 (SDSS J1228) shows variable emission features interpreted as originating from a solid…”
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Testing Modules for Experiments in Stellar Astrophysics (MESA) by Wolf, William M., Schwab, Josiah, Farmer, R., Bauer, Evan B.

“…Abstract Regular, automated testing is a foundational principle of modern software development. Numerous widely used continuous integration systems exist, but…”
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A Model for Eruptive Mass Loss in Massive Stars by Cheng, Shelley J., Goldberg, Jared A., Cantiello, Matteo, Bauer, Evan B., Renzo, Mathieu, Conroy, Charlie

“…Abstract Eruptive mass loss in massive stars is known to occur, but the mechanism(s) are not yet well understood. One proposed physical explanation appeals to…”
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The First Ultracompact Roche Lobe-Filling Hot Subdwarf Binary by Kupfer, Thomas, Bauer, Evan B., Marsh, Thomas R., Roestel, Jan van, Bellm, Eric C., Burdge, Kevin B., Coughlin, Michael W., Fuller, Jim, Hermes, JJ, Bildsten, Lars, Kulkarni, Shrinivas R., Prince, Thomas A., Szkody, Paula, Dhillon, Vik S., Murawski, Gabriel, Burruss, Rick, Dekany, Richard, Delacroix, Alex, Drake, Andrew J., Duev, Dmitry A., Feeney, Michael, Graham, Matthew J., Kaplan, David L., Laher, Russ R., Littlefair, S. P., Masci, Frank J., Riddle, Reed, Rusholme, Ben, Serabyn, Eugene, Smith, Roger M., Shupe, David L., Soumagnac, Maayane T.

“…We report the discovery of the first short-period binary in which a hot subdwarf star (sdOB) filled its Roche lobe and started mass transfer to its companion…”
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Variability of Red Supergiants in M31 from the Palomar Transient Factory by Soraisam, Monika D., Bildsten, Lars, Drout, Maria R., Bauer, Evan B., Gilfanov, Marat, Kupfer, Thomas, Laher, Russ R., Masci, Frank, Prince, Thomas A., Kulkarni, Shrinivas R., Matheson, Thomas, Saha, Abhijit

“…Most massive stars end their lives as red supergiants (RSGs), a short-lived evolutionary phase when they are known to pulsate with varying amplitudes. The RSG…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne–Żytkow Objects and Super-asymptotic Giant Branch Stars by O’Grady, Anna J. G., Drout, Maria R., Shappee, B. J., Bauer, Evan B., Fuller, Jim, Kochanek, C. S., Jayasinghe, T., Gaensler, B. M., Stanek, K. Z., Holoien, Thomas W.-S., Prieto, J. L., Thompson, Todd A.

“…Abstract Stars with unusual properties can provide a wealth of information about rare stages of stellar evolution and exotic physics. However, determining the…”
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An Expanded Set of Los Alamos OPLIB Tables in MESA: Type-1 Rosseland-mean Opacities and Solar Models by Farag, Ebraheem, Fontes, Christopher J., Timmes, F. X., Bellinger, Earl P., Guzik, Joyce A., Bauer, Evan B., Wood, Suzannah R., Mussack, Katie, Hakel, Peter, Colgan, James, Kilcrease, David P., Sherrill, Manolo E., Raecke, Tryston C., Chidester, Morgan T.

“…Abstract We present a set of 1194 Type-1 Rosseland-mean opacity tables for four different metallicity mixtures. These new Los Alamos OPLIB atomic radiative…”
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Orbital Decay in an Accreting and Eclipsing 13.7 Minute Orbital Period Binary with a Luminous Donor by Burdge, Kevin B., El-Badry, Kareem, Rappaport, Saul, Sunny Wong, Tin Long, Bauer, Evan B., Bildsten, Lars, Caiazzo, Ilaria, Chakrabarty, Deepto, Chickles, Emma, Graham, Matthew J., Kara, Erin, Kulkarni, S. R., Marsh, Thomas R., Nynka, Melania, Prince, Thomas A., Simcoe, Robert A., van Roestel, Jan, Vanderbosch, Zach, Bellm, Eric C., Dekany, Richard G., Drake, Andrew J., Helou, George, Masci, Frank J., Milburn, Jennifer, Riddle, Reed, Rusholme, Ben, Smith, Roger

“…Abstract We report the discovery of ZTF J0127+5258, a compact mass-transferring binary with an orbital period of 13.7 minutes. The system contains a white…”
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Phases of Mass Transfer from Hot Subdwarfs to White Dwarf Companions and Their Photometric Properties by Bauer, Evan B., Kupfer, Thomas

“…Abstract Binary systems of a hot subdwarf B (sdB) star + a white dwarf (WD) with orbital periods less than 2–3 hr can come into contact due to gravitational…”
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Polluted White Dwarfs: Mixing Regions and Diffusion Timescales by Bauer, Evan B., Bildsten, Lars

“…Many isolated white dwarfs (WDs) show spectral evidence of atmospheric metal pollution. Since heavy-element sedimentation timescales are short, this most…”
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Remnants of Subdwarf Helium Donor Stars Ejected from Close Binaries with Thermonuclear Supernovae by Bauer, Evan B., White, Christopher J., Bildsten, Lars

“…Some binary systems composed of a white dwarf (WD) and a hot subdwarf (sdB) helium star will make contact within the helium burning lifetime of the sdB star…”
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The Final Fates of Close Hot Subdwarf–White Dwarf Binaries: Mergers Involving He/C/O White Dwarfs and the Formation of Unusual Giant Stars with C/O-Dominated Envelopes by Schwab, Josiah, Bauer, Evan B.

“…Abstract Recently, a class of Roche-lobe-filling binary systems consisting of hot subdwarf stars and white dwarfs (WDs) with sub-hour periods has been…”
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Modelling the AM CVn and double detonation supernova progenitor binary system CD-30°11223 by Deshmukh, Kunal, Bauer, Evan B, Kupfer, Thomas, Dorsch, Matti

“…ABSTRACT We present a detailed modelling study of CD-30°11223 (CD-30), a hot subdwarf (sdB)-white dwarf (WD) binary identified as a double detonation supernova…”
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Multi-gigayear White Dwarf Cooling Delays from Clustering-enhanced Gravitational Sedimentation by Bauer, Evan B., Schwab, Josiah, Bildsten, Lars, Sihao Cheng, 思浩

“…Abstract Cooling white dwarfs (WDs) can yield accurate ages when theoretical cooling models fully account for the physics of the dense plasma of WD interiors…”
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Accurate diffusion coefficients for dense white dwarf plasma mixtures by Caplan, M E, Bauer, Evan B, Freeman, I F

“…ABSTRACT Diffusion coefficients are essential microphysics inputs for modelling white dwarf evolution, as they impact phase separation at crystallization and…”
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Horizontal spreading of planetary debris accreted by white dwarfs by Cunningham, Tim, Tremblay, Pier-Emmanuel, Bauer, Evan B, Toloza, Odette, Cukanovaite, Elena, Koester, Detlev, Farihi, Jay, Freytag, Bernd, Gänsicke, Boris T, Ludwig, Hans-Günter, Veras, Dimitri

“…ABSTRACT White dwarfs with metal-polluted atmospheres have been studied widely in the context of the accretion of rocky debris from evolved planetary systems…”
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Limiting the accretion disc light in two mass transferring hot subdwarf binaries by Deshmukh, Kunal, Kupfer, Thomas, Hakala, Pasi, Bauer, Evan B, Berdyugin, Andrei, Bildsten, Lars, Marsh, Thomas R, Mereghetti, Sandro, Piirola, Vilppu

“…ABSTRACT We report the results from follow-up observations of two Roche-lobe filling hot subdwarf binaries with white dwarf companions predicted to have…”
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OGLE-BLAP-009 – a case study for the properties and evolution of blue large-amplitude pulsators by Bradshaw, Corey W, Dorsch, Matti, Kupfer, Thomas, Barlow, Brad N, Heber, Uli, Bauer, Evan B, Bildsten, Lars, van Roestel, Jan

“…ABSTRACT Blue large-amplitude pulsators (BLAPs) make up a rare class of hot pulsating stars with effective temperatures of ≈30 000 K and surface gravities of…”
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