Search Results - "Fontes, J"

A line-binned treatment of opacities for the spectra and light curves from neutron star mergers by Fontes, C J, Fryer, C L, Hungerford, A L, Wollaeger, R T, Korobkin, O

“…ABSTRACT The electromagnetic observations of GW170817 were able to dramatically increase our understanding of neutron star mergers beyond what we learned from…”
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Impact of ejecta morphology and composition on the electromagnetic signatures of neutron star mergers by Wollaeger, Ryan T, Korobkin, Oleg, Fontes, Christopher J, Rosswog, Stephan K, Even, Wesley P, Fryer, Christopher L, Sollerman, Jesper, Hungerford, Aimee L, van Rossum, Daniel R, Wollaber, Allan B

“…The electromagnetic transients accompanying compact binary mergers (γ-ray bursts, afterglows and ‘macronovae’) are crucial to pinpoint the sky location of…”
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Axisymmetric Radiative Transfer Models of Kilonovae by Korobkin, Oleg, Wollaeger, Ryan T., Fryer, Christopher L., Hungerford, Aimee L., Rosswog, Stephan, Fontes, Christopher J., Mumpower, Matthew R., Chase, Eve A., Even, Wesley P., Miller, Jonah, Misch, G. Wendell, Lippuner, Jonas

“…Abstract The detailed observations of GW170817 proved for the first time directly that neutron star mergers are a major production site of heavy elements. The…”
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Composition Effects on Kilonova Spectra and Light Curves. I by Even, Wesley, Korobkin, Oleg, Fryer, Christopher L., Fontes, Christopher J., Wollaeger, R. T., Hungerford, Aimee, Lippuner, Jonas, Miller, Jonah, Mumpower, Matthew R., Misch, G. Wendell

“…The merger of neutron star binaries is believed to eject a wide range of heavy elements into the universe. By observing the emission from this ejecta,…”
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The X-ray counterpart to the gravitational-wave event GW170817 by Troja, E., Piro, L., van Eerten, H., Wollaeger, R. T., Im, M., Fox, O. D., Butler, N. R., Cenko, S. B., Sakamoto, T., Fryer, C. L., Ricci, R., Lien, A., Ryan, R. E., Korobkin, O., Lee, S.-K., Burgess, J. M., Lee, W. H., Watson, A. M., Choi, C., Covino, S., D’Avanzo, P., Fontes, C. J., González, J. Becerra, Khandrika, H. G., Kim, J., Kim, S.-L., Lee, C.-U., Lee, H. M., Kutyrev, A., Lim, G., Sánchez-Ramírez, R., Veilleux, S., Wieringa, M. H., Yoon, Y.

“…Detection of X-ray emission at a location coincident with the kilonova transient of the gravitational-wave event GW170817 provides the missing observational…”
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A NEW GENERATION OF LOS ALAMOS OPACITY TABLES by Colgan, J., Kilcrease, D. P., Magee, N. H., Sherrill, M. E., Abdallah Jr, J., Hakel, P., Fontes, C. J., Guzik, J. A., Mussack, K. A.

“…ABSTRACT We present a new, publicly available set of Los Alamos OPLIB opacity tables for the elements hydrogen through zinc. Our tables are computed using the…”
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A higher-than-predicted measurement of iron opacity at solar interior temperatures by Bailey, J. E., Nagayama, T., Loisel, G. P., Rochau, G. A., Blancard, C., Colgan, J., Cosse, Ph, Faussurier, G., Fontes, C. J., Gilleron, F., Golovkin, I., Hansen, S. B., Iglesias, C. A., Kilcrease, D. P., MacFarlane, J. J., Mancini, R. C., Nahar, S. N., Orban, C., Pain, J.-C., Pradhan, A. K., Sherrill, M., Wilson, B. G.

“…Laboratory measurements of iron opacity made under conditions similar to those inside the Sun reveal much higher opacity than predicted, helping to resolve…”
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Daily reference crop evapotranspiration in the humid environments of Azores islands using reduced data sets: accuracy of FAO-PM temperature and Hargreaves-Samani methods by Paredes, P., Fontes, J. C., Azevedo, E. B., Pereira, L. S.

“…Reference crop evapotranspiration (ET o ) estimations using the FAO Penman-Monteith equation (PM-ET o ) require several weather variables that are often not…”
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A Broad Grid of 2D Kilonova Emission Models by Wollaeger, R. T., Fryer, C. L., Chase, E. A., Fontes, C. J., Ristic, M., Hungerford, A. L., Korobkin, O., O’Shaughnessy, R., Herring, A. M.

“…Abstract Depending upon the properties of their compact remnants and the physics included in the models, simulations of neutron star mergers can produce a…”
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A Quantum Mechanical Treatment of Electron Broadening in Strong Magnetic Fields. II. Large Enhancements due to Exchange Interactions by Gomez, Thomas A., Zammit, Mark C., Bray, Igor, Fontes, Christopher J., White, Jackson R.

“…Abstract We present a quantum treatment of atom–electron collisions in magnetic fields, demonstrating the significant importance of including the effect of…”
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A Quantum-mechanical Treatment of Electron Broadening in Strong Magnetic Fields by Gomez, Thomas A., Zammit, Mark C., Fontes, Christopher J., White, Jackson R.

“…Abstract Spectral line-shape fitting is an extremely useful tool in determining the gravity of white dwarf stars. This method is so far limited to nonmagnetic…”
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Monte Carlo Radiation Transport for Astrophysical Transients Powered by Circumstellar Interaction by Wagle, Gururaj A., Chatzopoulos, Emmanouil, Wollaeger, Ryan T., Fontes, Christopher J.

“…Abstract In this paper, we introduce SuperLite , an open-source Monte Carlo radiation transport code designed to produce synthetic spectra for astrophysical…”
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Daily reference crop evapotranspiration with reduced data sets in the humid environments of Azores islands using estimates of actual vapor pressure, solar radiation, and wind speed by Paredes, P., Fontes, J. C., Azevedo, E. B., Pereira, L. S.

“…Reference crop evapotranspiration (ET o ) estimations using the FAO Penman-Monteith equation (PM-ET o ) require a set of weather data including maximum and…”
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The Effect of the Velocity Distribution on Kilonova Emission by Fryer, Chris L., Hungerford, Aimee L., Wollaeger, Ryan T., Miller, Jonah M., De, Soumi, Fontes, Christopher J., Korobkin, Oleg, Kedia, Atul, Ristic, Marko, O’Shaughnessy, Richard

“…Abstract The electromagnetic emission from the nonrelativistic ejecta launched in neutron star mergers (either dynamically or through a disk wind) has the…”
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Impact of Pulsar and Fallback Sources on Multifrequency Kilonova Models by Wollaeger, Ryan T., Fryer, Chris L., Fontes, Christopher J., Lippuner, Jonas, Vestrand, W. Thomas, Mumpower, Matthew R., Korobkin, Oleg, Hungerford, Aimee L., Even, Wesley P.

“…We explore the impact of pulsar electromagnetic dipole and fallback accretion emission on the luminosity of a suite of kilonova models. The pulsar models are…”
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Toward the stabilization of perovskite phase at low temperature and decrease of the magnetic ordering by Sr2+-doping in LaCrO3 by Silva Jr, R.S., Ferreira, N.S., F. D. Fontes, J., E. H. Maia da Costa, M., Barrozo, P.

“…[Display omitted] •Sr-doped LaCrO3 samples were successfully produced by the modified combustion method at low temperatures.•Sr-doping tends to favor the…”
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Systematic Study of L-Shell Opacity at Stellar Interior Temperatures by Nagayama, T, Bailey, J E, Loisel, G P, Dunham, G S, Rochau, G A, Blancard, C, Colgan, J, Cossé, Ph, Faussurier, G, Fontes, C J, Gilleron, F, Hansen, S B, Iglesias, C A, Golovkin, I E, Kilcrease, D P, MacFarlane, J J, Mancini, R C, More, R M, Orban, C, Pain, J-C, Sherrill, M E, Wilson, B G

“…The first systematic study of opacity dependence on atomic number at stellar interior temperatures is used to evaluate discrepancies between measured and…”
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Time fractional diffusion equation for shipping water events simulation by González-Olvera, M.A., Torres, L., Hernández-Fontes, J.V., Mendoza, E.

“…•Modeling, simulation and analysis of shipping water events using the time fractional diffusion equation.•Estimation of the pseudo-diffusion parameter and…”
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Identification of the advection-diffusion equation for predicting green water propagation by Hernández-Fontes, J.V., Torres, L., Mendoza, E., Escudero, M.

“…This paper presents an approach that involves the advection-diffusion equation together with a parameter identification approach to analyze the evolution of…”
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Constraining Inputs to Realistic Kilonova Simulations through Comparison to Observed r-process Abundances by Ristić, Marko, Holmbeck, Erika M., Wollaeger, Ryan T., Korobkin, Oleg, Champion, Elizabeth, O’Shaughnessy, Richard, Fryer, Chris L., Fontes, Christopher J., Mumpower, Matthew R., Sprouse, Trevor M.

“…Abstract Kilonovae, one source of electromagnetic emission associated with neutron star mergers, are powered by the decay of radioactive isotopes in the…”
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