Search Results - "Sako, Masao"

Photo-zSNthesis: Converting Type Ia Supernova Lightcurves to Redshift Estimates via Deep Learning by Qu, Helen, Sako, Masao

“…Abstract Upcoming photometric surveys will discover tens of thousands of Type Ia supernovae (SNe Ia), vastly outpacing the capacity of our spectroscopic…”
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What’s the Difference? The Potential for Convolutional Neural Networks for Transient Detection without Template Subtraction by Acero-Cuellar, Tatiana, Bianco, Federica, Dobler, Gregory, Sako, Masao, Qu, Helen

“…Abstract We present a study of the potential for convolutional neural networks (CNNs) to enable separation of astrophysical transients from image artifacts, a…”
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The origin of ultrafast outflows in AGN: Monte Carlo simulations of the wind in PDS 456 by Hagino, Kouichi, Odaka, Hirokazu, Done, Chris, Gandhi, Poshak, Watanabe, Shin, Sako, Masao, Takahashi, Tadayuki

“…Ultrafast outflows (UFOs) are seen in many AGN, giving a possible mode for AGN feedback on to the host galaxy. However, the mechanism(s) for the launch and…”
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THE SDSS-II SUPERNOVA SURVEY: PARAMETERIZING THE TYPE Ia SUPERNOVA RATE AS A FUNCTION OF HOST GALAXY PROPERTIES by SMITH, Mathew, NICHOL, Robert C, LAMPEITL, Hubert, SAKO, Masao, SCHNEIDER, Donald P, SOLLERMAN, Jesper, DILDAY, Benjamin, MARRINER, John, KESSLER, Richard, BASSETT, Bruce, CINABRO, David, FRIEMAN, Joshua, GARNAVICH, Peter, JHA, Saurabh W

“…Using data from the Sloan Digital Sky Supernova Survey-II (SDSS-II SN Survey), we measure the rate of Type Ia supernovae (SNe Ia) as a function of galaxy…”
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The Effect of Host Galaxies on Type Ia Supernovae in the SDSS-II Supernova Survey by Lampeitl, Hubert, Smith, Mathew, Nichol, Robert C, Bassett, Bruce, Cinabro, David, Dilday, Benjamin, Foley, Ryan J, Frieman, Joshua A, Garnavich, Peter M, Goobar, Ariel, Im, Myungshin, Jha, Saurabh W, Marriner, John, Miquel, Ramon, Nordin, Jakob, Östman, Linda, Riess, Adam G, Sako, Masao, Schneider, Donald P, Sollerman, Jesper, Stritzinger, Maximilian

“…We present an analysis of the host galaxy dependences of Type Ia Supernovae (SNe Ia) from the full three year sample of the SDSS-II Supernova Survey. We…”
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THE FUNDAMENTAL METALLICITY RELATION REDUCES TYPE Ia SN HUBBLE RESIDUALS MORE THAN HOST MASS ALONE by Hayden, Brian T., Gupta, Ravi R., Garnavich, Peter M., Mannucci, Filippo, Nichol, Robert C., Sako, Masao

“…Type Ia supernova Hubble residuals have been shown to correlate with host galaxy mass, imposing a major obstacle for their use in measuring dark energy…”
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SNANA: A Public Software Package for Supernova Analysis by Kessler, Richard, Bernstein, Joseph P., Cinabro, David, Dilday, Benjamin, Frieman, Joshua A., Jha, Saurabh, Kuhlmann, Stephen, Miknaitis, Gajus, Sako, Masao, Taylor, Matt, Vanderplas, Jake

“…We describe a general analysis package for supernova (SN) light curves, calledSNANA, that contains a simulation, a light-curve fitter, and a cosmology fitter…”
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The Effect of Peculiar Velocities on Supernova Cosmology by Davis, Tamara M, Hui, Lam, Frieman, Joshua A, Haugbølle, Troels, Kessler, Richard, Sinclair, Benjamin, Sollerman, Jesper, Bassett, Bruce, Marriner, John, Mörtsell, Edvard, Nichol, Robert C, Richmond, Michael W, Sako, Masao, Schneider, Donald P, Smith, Mathew

“…We analyze the effect that peculiar velocities have on the cosmological inferences we make using luminosity distance indicators, such as Type Ia supernovae. In…”
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The Hyper Suprime-Cam SSP transient survey in COSMOS: Overview by Yasuda, Naoki, Tanaka, Masaomi, Tominaga, Nozomu, Jiang, Ji-an, Moriya, Takashi J, Morokuma, Tomoki, Suzuki, Nao, Takahashi, Ichiro, Yamaguchi, Masaki S, Maeda, Keiichi, Sako, Masao, Ikeda, Shiro, Kimura, Akisato, Morii, Mikio, Ueda, Naonori, Yoshida, Naoki, Lee, Chien-Hsiu, Suyu, Sherry H, Komiyama, Yutaka, Regnault, Nicolas, Rubin, David

“…Abstract We present an overview of a deep transient survey of the COSMOS field with the Subaru Hyper Suprime-Cam (HSC). The survey was performed for the 1.77…”
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Results from the Supernova Photometric Classification Challenge by Kessler, Richard, Bassett, Bruce, Belov, Pavel, Bhatnagar, Vasudha, Campbell, Heather, Conley, Alex, Frieman, Joshua A., Glazov, Alexandre, González-Gaitán, Santiago, Hlozek, Renée, Jha, Saurabh, Kuhlmann, Stephen, Kunz, Martin, Lampeitl, Hubert, Mahabal, Ashish, Newling, James, Nichol, Robert C., Parkinson, David, Philip, Ninan Sajeeth, Poznanski, Dovi, Richards, Joseph W., Rodney, Steven A., Sako, Masao, Schneider, Donald P., Smith, Mathew, Stritzinger, Maximilian, Varughese, Melvin

“…We report results from the Supernova Photometric Classification Challenge (SNPhotCC), a publicly released mix of simulated supernovae (SNe), with types (Ia,…”
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The Rise and Fall of Type Ia Supernova Light Curves in the SDSS-II Supernova Survey by Hayden, Brian T, Garnavich, Peter M, Kessler, Richard, Frieman, Joshua A, Jha, Saurabh W, Bassett, Bruce, Cinabro, David, Dilday, Benjamin, Kasen, Daniel, Marriner, John, Nichol, Robert C, Riess, Adam G, Sako, Masao, Schneider, Donald P, Smith, Mathew, Sollerman, Jesper

“…We analyze the rise and fall times of Type Ia supernova (SN Ia) light curves discovered by the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey. From a…”
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X-Ray Spectral Study of the Photoionized Stellar Wind in Vela X-1 by Watanabe, Shin, Sako, Masao, Ishida, Manabu, Ishisaki, Yoshitaka, Kahn, Steven M, Kohmura, Takayoshi, Nagase, Fumiaki, Paerels, Frederik, Takahashi, Tadayuki

“…We present results from quantitative modeling and spectral analysis of the high-mass X-ray binary system Vela X-1 obtained with the Chandra HETGS. The spectra…”
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Type II-P Supernovae from the SDSS-II Supernova Survey and the Standardized Candle Method by D’Andrea, Chris B, Sako, Masao, Dilday, Benjamin, Frieman, Joshua A, Holtzman, Jon, Kessler, Richard, Konishi, Kohki, Schneider, D. P, Sollerman, Jesper, Wheeler, J. Craig, Yasuda, Naoki, Cinabro, David, Jha, Saurabh, Nichol, Robert C, Lampeitl, Hubert, Smith, Mathew, Atlee, David W, Bassett, Bruce, Castander, Francisco J, Goobar, Ariel, Miquel, Ramon, Nordin, Jakob, Östman, Linda, Prieto, José L, Quimby, Robert, Riess, Adam G, Stritzinger, Maximilian

“…We apply the Standardized Candle Method (SCM) for Type II Plateau supernovae (SNe II-P), which relates the velocity of the ejecta of a SN to its luminosity…”
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A Measurement of the Rate of Type Ia Supernovae in Galaxy Clusters from the SDSS-II Supernova Survey by Dilday, Benjamin, Bassett, Bruce, Becker, Andrew, Bender, Ralf, Castander, Francisco, Cinabro, David, Frieman, Joshua A, Galbany, Lluís, Garnavich, Peter, Goobar, Ariel, Hopp, Ulrich, Ihara, Yutaka, Jha, Saurabh W, Kessler, Richard, Lampeitl, Hubert, Marriner, John, Miquel, Ramon, Mollá, Mercedes, Nichol, Robert C, Nordin, Jakob, Riess, Adam G, Sako, Masao, Schneider, Donald P, Smith, Mathew, Sollerman, Jesper, Wheeler, J. Craig, Östman, Linda, Bizyaev, Dmitry, Brewington, Howard, Malanushenko, Elena, Malanushenko, Viktor, Oravetz, Dan, Pan, Kaike, Simmons, Audrey, Snedden, Stephanie

“…We present measurements of the Type Ia supernova (SN) rate in galaxy clusters based on data from the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey…”
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Photometric Classification of Early-time Supernova Light Curves with SCONE by Qu, Helen, Sako, Masao

“…Abstract In this work, we present classification results on early supernova light curves from SCONE, a photometric classifier that uses convolutional neural…”
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The Chandra High-Energy Transmission Grating Observation of an X-Ray Ionization Cone in Markarian 3 by Sako, Masao, Kahn, Steven M, Paerels, Frits, Liedahl, Duane A

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Photo-zSNthesis: Converting Type Ia Supernova Lightcurves to Redshift Estimates via Deep Learning by Qu, Helen, Sako, Masao

“…Abstract Upcoming photometric surveys will discover tens of thousands of Type Ia supernovae (SNe Ia), vastly outpacing the capacity of our spectroscopic…”
Get full text

Photometric Classification of Early-time Supernova Light Curves with SCONE by Qu, Helen, Sako, Masao

“…Abstract In this work, we present classification results on early supernova light curves from SCONE, a photometric classifier that uses convolutional neural…”
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The X-Ray Spectrum and Global Structure of the Stellar Wind in Vela X-1 by Sako, Masao, Liedahl, Duane A, Kahn, Steven M, Paerels, Frits

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Can a Dusty Warm Absorber Model Reproduce the Soft X-Ray Spectra of MCG –6-30-15 and Markarian 766? by Sako, Masao, Kahn, Steven M, Branduardi-Raymont, Graziella, Kaastra, Jelle S, Brinkman, Albert C, Page, Mathew J, Behar, Ehud, Paerels, Frits, Kinkhabwala, Ali, Liedahl, Duane A, Herder, Jan Willem den

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