Zobrazeno 1 - 10
of 369
pro vyhledávání: '"Ward, Sam"'
Autor:
Grayling, Matthew, Thorp, Stephen, Mandel, Kaisey S., Dhawan, Suhail, Uzsoy, Ana Sofia M., Boyd, Benjamin M., Hayes, Erin E., Ward, Sam M.
We apply the hierarchical probabilistic SED model BayeSN to analyse a sample of 475 SNe Ia (0.015 < z < 0.4) from Foundation, DES3YR and PS1MD to investigate the properties of dust in their host galaxies. We jointly infer the dust law $R_V$ populatio
Externí odkaz:
http://arxiv.org/abs/2401.08755
To reduce systematic uncertainties in Type Ia supernova (SN Ia) cosmology, the host galaxy dust law shape parameter, $R_V$, must be accurately constrained. We thus develop a computationally-inexpensive pipeline, Bird-Snack, to rapidly infer dust popu
Externí odkaz:
http://arxiv.org/abs/2310.07753
Autor:
Peterson, Erik R., Jones, David O., Scolnic, Daniel, Sánchez, Bruno O., Do, Aaron, Riess, Adam G., Ward, Sam M., Dwomoh, Arianna, de Jaeger, Thomas, Jha, Saurabh W., Mandel, Kaisey S., Pierel, Justin D. R., Popovic, Brodie, Rose, Benjamin M., Rubin, David, Shappee, Benjamin J., Thorp, Stephen, Tonry, John L., Tully, R. Brent, Vincenzi, Maria
While the sample of optical Type Ia Supernova (SN Ia) light curves (LCs) usable for cosmological parameter measurements surpasses 2000, the sample of published, cosmologically viable near-infrared (NIR) SN Ia LCs, which have been shown to be good "st
Externí odkaz:
http://arxiv.org/abs/2301.11868
Autor:
Dhawan, Suhail, Thorp, Stephen, Mandel, Kaisey S., Ward, Sam M., Narayan, Gautham, Jha, Saurabh W., Chant, Thaisen
The local distance ladder estimate of the Hubble constant ($H_0$) is important in cosmology, given the recent tension with the early universe inference. We estimate $H_0$ from the Type Ia supernova (SN~Ia) distance ladder, inferring SN~Ia distances w
Externí odkaz:
http://arxiv.org/abs/2211.07657
Autor:
Ward, Sam M., Thorp, Stephen, Mandel, Kaisey S., Dhawan, Suhail, Jones, David O., Taggart, Kirsty, Foley, Ryan J., Narayan, Gautham, Chambers, Kenneth C., Coulter, David A., Davis, Kyle W., de Boer, Thomas, de Soto, Kaylee, Earl, Nicholas, Gagliano, Alex, Gao, Hua, Hjorth, Jens, Huber, Mark E., Izzo, Luca, Langeroodi, Danial, Magnier, Eugene A., McGill, Peter, Rest, Armin, Rojas-Bravo, César, Wojtak, Radosław
We present Young Supernova Experiment $grizy$ photometry of SN 2021hpr, the third Type Ia supernova sibling to explode in the Cepheid calibrator galaxy, NGC 3147. Siblings are useful for improving SN-host distance estimates, and investigating the con
Externí odkaz:
http://arxiv.org/abs/2209.10558
Publikováno v:
MNRAS 508, 4310-4331 (2021)
We apply BayeSN, our new hierarchical Bayesian model for the SEDs of Type Ia supernovae (SNe Ia), to analyse the $griz$ light curves of 157 nearby SNe Ia ($0.015
Externí odkaz:
http://arxiv.org/abs/2102.05678
Autor:
Osmonov, Daniar, Christopher, Andrew Nim, Blecher, Gideon A., Falcone, Marco, Soave, Armin, Dahlem, Roland, Czeloth, Karen, Bannowsky, Andreas, Matanes, Emad, Ward, Sam, Martínez-Salamanca, Juan Ignacio, Bettocchi, Carlo, Garaffa, Giulio, Reisman, Yacov, Corona, Giovanni
Publikováno v:
In The Journal of Sexual Medicine February 2020 17(2):210-237
Autor:
Zavala-Arredondo, Miguel, London, Tyler, Allen, Madie, Maccio, Tomaso, Ward, Sam, Griffiths, David, Allison, Amanda, Goodwin, Paul, Hauser, Carl
Publikováno v:
In Materials & Design 15 November 2019 182
Akademický článek
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