Search Results - "Ropke, F K"

Stellar GADGET: a smoothed particle hydrodynamics code for stellar astrophysics and its application to Type Ia supernovae from white dwarf mergers by Pakmor, R., Edelmann, P., Röpke, F. K., Hillebrandt, W.

“…Abstract Mergers of two carbon-oxygen white dwarfs have long been suspected to be progenitors of Type Ia supernovae. Here we present our modifications to the…”
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Double-detonation Sub-Chandrasekhar Supernovae: Synthetic Observables for Minimum Helium Shell Mass Models by Kromer, M, Sim, S. A, Fink, M, Röpke, F. K, Seitenzahl, I. R, Hillebrandt, W

“…In the double-detonation scenario for Type Ia supernovae, it is suggested that a detonation initiates in a shell of helium-rich material accreted from a…”
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Off-Center Ignition in Type Ia Supernovae. I. Initial Evolution and Implications for Delayed Detonation by Röpke, F. K, Woosley, S. E, Hillebrandt, W

“…The explosion of a carbon-oxygen white dwarf as a Type Ia supernova is known to be sensitive to the manner in which the burning is ignited. Studies of the…”
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THE IMPACT OF TYPE Ia SUPERNOVA EXPLOSIONS ON HELIUM COMPANIONS IN THE CHANDRASEKHAR-MASS EXPLOSION SCENARIO by Liu, Zheng-Wei, PAKMOR, R, SEITENZAHL, I R, Hillebrandt, W, Kromer, M, Ropke, F K, Edelmann, P, Taubenberger, S, Maeda, K, Wang, B, Han, Z W

“…In the version of the single-degenerate scenario of Type Ia supernovae (SNe Ia) studied here, a carbon-oxygen white dwarf explodes close to the Chandrasekhar…”
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Nucleosynthesis in Two-Dimensional Delayed Detonation Models of Type Ia Supernova Explosions by Maeda, K, Röpke, F.K, Fink, M, Hillebrandt, W, Travaglio, C, Thielemann, F.-K

“…For the explosion mechanism of Type Ia supernovae (SNe Ia), different scenarios have been suggested. In these, the propagation of the burning front through the…”
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A Three-Dimensional Deflagration Model for Type Ia Supernovae Compared with Observations by Röpke, F. K, Hillebrandt, W, Schmidt, W, Niemeyer, J. C, Blinnikov, S. I, Mazzali, P. A

“…A simulation of the thermonuclear explosion of a Chandrasekhar-mass C+O white dwarf, the most popular scenario of a Type Ia supernova (SN Ia), is presented…”
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PREDICTING THE AMOUNT OF HYDROGEN STRIPPED BY THE SN EXPLOSION FOR SN 2002cx-LIKE SNe Ia by Liu, Zheng-Wei, Kromer, M, Fink, M, PAKMOR, R, Ropke, F K, Chen, X F, Wang, B, Han, Z W

“…The most favored progenitor scenarios for Type Ia supernovae (SNe Ia) involve the single-degenerate (SD) scenario and the double-degenerate scenario. The…”
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Type Ia Supernovae: Calculations of Turbulent Flames Using the Linear Eddy Model by Woosley, S. E, Kerstein, A. R, Sankaran, V, Aspden, A. J, Röpke, F. K

“…The nature of carbon burning flames in Type Ia supernovae is explored as they interact with Kolmogorov turbulence. One-dimensional calculations using the…”
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Nucleosynthesis during a Thermonuclear Supernova Explosion by Panov, I. V., Glazyrin, S. I., Röpke, F. K., Blinnikov, S. I.

“…Supernovae are such bright objects that they can be observed even at high redshifts. Some types of such events, for example, type Ia (thermonuclear), have…”
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MEASUREMENTS OF THE SOFT GAMMA-RAY EMISSION FROM SN2014J WITH SUZAKU by Terada, Y., Maeda, K., Fukazawa, Y., Bamba, A., Ueda, Y., Katsuda, S., Enoto, T., Takahashi, T., Tamagawa, T., Röpke, F. K., Summa, A., Diehl, R.

“…ABSTRACT The hard X-ray detector (HXD) on board Suzaku measured soft γ-rays from the SN Ia SN2014J at 77 2 days after the explosion. Although the confidence…”
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Flame-driven Deflagration-to-Detonation Transitions in Type Ia Supernovae? by Ropke, F. K.

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Turbulence in a Three-Dimensional Deflagration Model For Type Ia Supernovae. II. Intermittency and the Deflagration-to-Detonation Transition Probability by Schmidt, W, Ciaraldi-Schoolmann, F, Niemeyer, J. C, Röpke, F. K, Hillebrandt, W

“…The delayed detonation model describes the observational properties of the majority of Type Ia supernovae very well. Using numerical data from a…”
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Turbulence in a Three-Dimensional Deflagration Model for Type Ia Supernovae. I. Scaling Properties by Ciaraldi-Schoolmann, F, Schmidt, W, Niemeyer, J. C, Röpke, F. K, Hillebrandt, W

“…We analyze the statistical properties of the turbulent velocity field in the deflagration model for Type Ia supernovae. In particular, we consider the question…”
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The diversity of type Ia supernovae from broken symmetries by Kasen, D, Röpke, F. K, Woosley, S. E

“…Type Ia supernovae result when carbon-oxygen white dwarfs in binary systems accrete mass from companion stars, reach a critical mass and explode. The near…”
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On the Small-Scale Stability of Thermonuclear Flames in Type Ia Supernovae by Röpke, F. K, Niemeyer, J. C, Hillebrandt, W

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Deflagrations in hybrid CONe white dwarfs: a route to explain the faint Type Iax supernova 2008ha by Kromer, M., Ohlmann, S. T., Pakmor, R., Ruiter, A. J., Hillebrandt, W., Marquardt, K. S., Röpke, F. K., Seitenzahl, I. R., Sim, S. A., Taubenberger, S.

“…Stellar evolution models predict the existence of hybrid white dwarfs (WDs) with a carbon–oxygen core surrounded by an oxygen–neon mantle. Being born with…”
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Extensive HST ultraviolet spectra and multiwavelength observations of SN 2014J in M82 indicate reddening and circumstellar scattering by typical dust by Foley, Ryan J., Fox, O. D., McCully, C., Phillips, M. M., Sand, D. J., Zheng, W., Challis, P., Filippenko, A. V., Folatelli, G., Hillebrandt, W., Hsiao, E. Y., Jha, S. W., Kirshner, R. P., Kromer, M., Marion, G. H., Nelson, M., Pakmor, R., Pignata, G., Röpke, F. K., Seitenzahl, I. R., Silverman, J. M., Skrutskie, M., Stritzinger, M. D.

“…SN 2014J in M82 is the closest detected Type Ia supernova (SN Ia) in at least 28 yr and perhaps in 410 yr. Despite its small distance of 3.3 Mpc, SN 2014J is…”
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2D simulations of the double-detonation model for thermonuclear transients from low-mass carbon-oxygen white dwarfs by Sim, S. A., Fink, M., Kromer, M., Röpke, F. K., Ruiter, A. J., Hillebrandt, W.

“…Thermonuclear explosions may arise in binary star systems in which a carbon-oxygen (CO) white dwarf (WD) accretes helium-rich material from a companion star…”
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TESTING THE ROLE OF SNe Ia FOR GALACTIC CHEMICAL EVOLUTION OF p -NUCLEI WITH TWO-DIMENSIONAL MODELS AND WITH s -PROCESS SEEDS AT DIFFERENT METALLICITIES by Travaglio, C, Gallino, R, Rauscher, T, Ropke, F K, Hillebrandt, W

“…The bulk of p isotopes is created in the "gamma processes" mainly by sequences of photo-dis-integrations and beta decays in explosive conditions in Type Ia…”
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Towards an understanding of Type Ia supernovae from a synthesis of theory and observations by Hillebrandt, W., Kromer, M., Röpke, F. K., Ruiter, A. J.

“…Motivated by the fact that calibrated light curves of Type Ia supernovae （SNe Ia） have become a major tool to determine the expansion history of the Universe,…”
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