Search Results - "Mandel, Kaisey S."

RAPID: Early Classification of Explosive Transients Using Deep Learning by Muthukrishna, Daniel, Narayan, Gautham, Mandel, Kaisey S., Biswas, Rahul, Hlo ek, Renée

“…We present Real-time Automated Photometric IDentification (RAPID), a novel time series classification tool capable of automatically identifying transients from…”
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Evidence for a Massive Andromeda Galaxy Using Satellite Galaxy Proper Motions by Patel, Ekta, Mandel, Kaisey S.

“…Abstract We present new mass estimates for Andromeda (M31) using the orbital angular momenta of four satellite galaxies (M33, NGC 185, NGC 147, and IC 10)…”
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A hierarchical Bayesian SED model for Type Ia supernovae in the optical to near-infrared by Mandel, Kaisey S, Thorp, Stephen, Narayan, Gautham, Friedman, Andrew S, Avelino, Arturo

“…ABSTRACT While conventional Type Ia supernova (SN Ia) cosmology analyses rely primarily on rest-frame optical light curves to determine distances, SNe Ia are…”
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Type Ia Supernova Light Curve Inference: Hierarchical Models in the Optical and Near-infrared by Mandel, Kaisey S, Narayan, Gautham, Kirshner, Robert P

“…We have constructed a comprehensive statistical model for Type Ia supernova (SN Ia) light curves spanning optical through near-infrared (NIR) data. A…”
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The Type Ia Supernova Color-Magnitude Relation and Host Galaxy Dust: A Simple Hierarchical Bayesian Model by Mandel, Kaisey S., Scolnic, Daniel M., Shariff, Hikmatali, Foley, Ryan J., Kirshner, Robert P.

“…Conventional Type Ia supernova (SN Ia) cosmology analyses currently use a simplistic linear regression of magnitude versus color and light curve shape, which…”
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Type Ia Supernovae Are Excellent Standard Candles in the Near-infrared by Avelino, Arturo, Friedman, Andrew S., Mandel, Kaisey S., Jones, David O., Challis, Peter J., Kirshner, Robert P.

“…We analyze a set of 89 type Ia supernovae (SNe Ia) that have both optical and near-infrared (NIR) photometry to derive distances and construct low-redshift (z…”
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SN 2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova by Kilpatrick, Charles D., Foley, Ryan J., Jacobson-Galán, Wynn V., Piro, Anthony L., Smartt, Stephen J., Drout, Maria R., Gagliano, Alexander, Gall, Christa, Hjorth, Jens, Jones, David O., Mandel, Kaisey S., Margutti, Raffaella, Ramirez-Ruiz, Enrico, Ransome, Conor L., Villar, V. Ashley, Coulter, David A., Gao, Hua, Matthews, David Jacob, Taggart, Kirsty, Zenati, Yossef

“…Abstract We present preexplosion optical and infrared (IR) imaging at the site of the type II supernova (SN II) 2023ixf in Messier 101 at 6.9 Mpc. We…”
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Relative Intrinsic Scatter in Hierarchical Type Ia Supernova Sibling Analyses: Application to SNe 2021hpr, 1997bq, and 2008fv in NGC 3147 by 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

“…Abstract We present Young Supernova Experiment grizy photometry of SN 2021hpr, the third Type Ia supernova sibling to explode in the Cepheid calibrator galaxy,…”
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Type Ia Supernovae Are Good Standard Candles in the Near Infrared: Evidence from PAIRITEL by Wood-Vasey, W. Michael, Friedman, Andrew S, Bloom, Joshua S, Hicken, Malcolm, Modjaz, Maryam, Kirshner, Robert P, Starr, Dan L, Blake, Cullen H, Falco, Emilio E, Szentgyorgyi, Andrew H, Challis, Peter, Blondin, Stéphane, Mandel, Kaisey S, Rest, Armin

“…We have obtained 1087 NIR measurements of 21 SNe Ia using PAIRITEL, nearly doubling the number of well-sampled NIR SN Ia light curves. These data strengthen…”
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Constraining the SN Ia host galaxy dust law distribution and mass step: hierarchical BayeSN analysis of optical and near-infrared light curves by Thorp, Stephen, Mandel, Kaisey S

“…ABSTRACT We use the BayeSN hierarchical probabilistic SED model to analyse the optical–NIR (BVriYJH) light curves of 86 Type Ia supernovae (SNe Ia) from the…”
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CONSTRUCTING A FLEXIBLE LIKELIHOOD FUNCTION FOR SPECTROSCOPIC INFERENCE by Czekala, Ian, Andrews, Sean M., Mandel, Kaisey S., Hogg, David W., Green, Gregory M.

“…ABSTRACT We present a modular, extensible likelihood framework for spectroscopic inference based on synthetic model spectra. The subtraction of an imperfect…”
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Testing the consistency of dust laws in SN Ia host galaxies: a BayeSN examination of Foundation DR1 by Thorp, Stephen, Mandel, Kaisey S, Jones, David O, Ward, Sam M, Narayan, Gautham

“…ABSTRACT 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…”
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Real-time detection of anomalies in large-scale transient surveys by Muthukrishna, Daniel, Mandel, Kaisey S, Lochner, Michelle, Webb, Sara, Narayan, Gautham

“…ABSTRACT New time-domain surveys, such as the Vera C. Rubin Observatory Legacy Survey of Space and Time, will observe millions of transient alerts each night,…”
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A Dependence of the Tidal Disruption Event Rate on Global Stellar Surface Mass Density and Stellar Velocity Dispersion by Graur, Or, French, K. Decker, Zahid, H. Jabran, Guillochon, James, Mandel, Kaisey S., Auchettl, Katie, Zabludoff, Ann I.

“…The rate of tidal disruption events (TDEs), , is predicted to depend on stellar conditions near the super-massive black hole (SMBH), which are on…”
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SIDE-real: Supernova Ia Dust Extinction with truncated marginal neural ratio estimation applied to real data by Karchev, Konstantin, Grayling, Matthew, Boyd, Benjamin M, Trotta, Roberto, Mandel, Kaisey S, Weniger, Christoph

“…ABSTRACT We present the first fully simulation-based hierarchical analysis of the light curves of a population of low-redshift type Ia supernovæ (SNæ Ia). Our…”
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Hubble Residuals of Nearby Type Ia Supernovae are Correlated with Host Galaxy Masses by Kelly, Patrick L, Hicken, Malcolm, Burke, David L, Mandel, Kaisey S, Kirshner, Robert P

“…From Sloan Digital Sky Survey u'g'r'i'z' imaging, we estimate the stellar masses of the host galaxies of 70 low-redshift Type Ia supernovae (SNe Ia, 0.015 <z<…”
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Bird-Snack: Bayesian inference of dust law RV distributions using SN Ia apparent colours at peak by Ward, Sam M, Dhawan, Suhail, Mandel, Kaisey S, Grayling, Matthew, Thorp, Stephen

“…ABSTRACT To reduce systematic uncertainties in Type Ia supernova (SN Ia) cosmology, the host galaxy dust law shape parameter, RV, must be accurately…”
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Using rest-frame optical and NIR data from the RAISIN survey to explore the redshift evolution of dust laws in SN Ia host galaxies by Thorp, Stephen, Mandel, Kaisey S, Jones, David O, Kirshner, Robert P, Challis, Peter M

“…ABSTRACT We use rest-frame optical and near-infrared (NIR) observations of 42 Type Ia supernovae (SNe Ia) from the Carnegie Supernova Project at low-z and 37…”
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TYPE Ia SUPERNOVA COLORS AND EJECTA VELOCITIES: HIERARCHICAL BAYESIAN REGRESSION WITH NON-GAUSSIAN DISTRIBUTIONS by Mandel, Kaisey S, Foley, Ryan J, Kirshner, Robert P

“…We investigate the statistical dependence of the peak intrinsic colors of Type Ia supernovae (SNe Ia) on their expansion velocities at maximum light, measured…”
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Disentangling Time-series Spectra with Gaussian Processes: Applications to Radial Velocity Analysis by Czekala, Ian, Mandel, Kaisey S., Andrews, Sean M., Dittmann, Jason A., Ghosh, Sujit K., Montet, Benjamin T., Newton, Elisabeth R.

“…Measurements of radial velocity variations from the spectroscopic monitoring of stars and their companions are essential for a broad swath of astrophysics;…”
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