Search Results - "Smartt, Stephen J."

Progenitors of Core-Collapse Supernovae by Smartt, Stephen J

“…Knowledge of the progenitors of core-collapse supernovae is a fundamental component in understanding the explosions. The recent progress in finding such stars…”
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Constraints on the neutron star equation of state from AT2017gfo using radiative transfer simulations by Coughlin, Michael W, Dietrich, Tim, Doctor, Zoheyr, Kasen, Daniel, Coughlin, Scott, Jerkstrand, Anders, Leloudas, Giorgos, McBrien, Owen, Metzger, Brian D, O’Shaughnessy, Richard, Smartt, Stephen J

“…ABSTRACT The detection of the binary neutron star merger GW170817 together with the observation of electromagnetic counterparts across the entire spectrum…”
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Possible binary progenitors for the Type Ib supernova iPTF13bvn by Eldridge, J J, Fraser, Morgan, Maund, Justyn R, Smartt, Stephen J

“…Cao et al. reported a possible progenitor detection for the Type Ib supernovae iPTF13bvn for the first time. We find that the progenitor is in fact brighter…”
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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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The Disappearance of the Progenitors of Supernovae 1993J and 2003gd by Maund, Justyn R., Smartt, Stephen J.

“…Using images from the Hubble Space Telescope and the Gemini Telescope, we confirmed the disappearance of the progenitors of two type II supernovae (SNe) and…”
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The massive binary companion star to the progenitor of supernova 1993J by Maund, Justyn R, Smartt, Stephen J, Kudritzki, Rolf P, Podsiadlowski, Philipp, Gilmore, Gerard F

“…The massive star that underwent a collapse of its core to produce supernova (SN)1993J was subsequently identified as a non-variable red supergiant star in…”
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The binary progenitor of Tycho Brahe's 1572 supernova by Ruiz-Lapuente, Pilar, Comeron, Fernando, Méndez, Javier, Canal, Ramon, Smartt, Stephen J, Filippenko, Alexei V, Kurucz, Robert L, Chornock, Ryan, Foley, Ryan J, Stanishev, Vallery, Ibata, Rodrigo

“…The brightness of type Ia supernovae, and their homogeneity as a class, makes them powerful tools in cosmology, yet little is known about the progenitor…”
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Detection of a Red Supergiant Progenitor Star of a Type II-Plateau Supernova by Smartt, Stephen J., Maund, Justyn R., Hendry, Margaret A., Tout, Christopher A., Gilmore, Gerard F., Mattila, Seppo, Benn, Chris R.

“…We present the discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74. The Hubble Space Telescope (HST) and the…”
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1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months by Trakhtenbrot, Benny, Arcavi, Iair, MacLeod, Chelsea L., Ricci, Claudio, Kara, Erin, Graham, Melissa L., Stern, Daniel, Harrison, Fiona A., Burke, Jamison, Hiramatsu, Daichi, Hosseinzadeh, Griffin, Howell, D. Andrew, Smartt, Stephen J., Rest, Armin, Prieto, Jose L., Shappee, Benjamin J., Holoien, Thomas W.-S., Bersier, David, Filippenko, Alexei V., Brink, Thomas G., Zheng, WeiKang, Li, Ruancun, Remillard, Ronald A., Loewenstein, Michael

“…We study the sudden optical and ultraviolet (UV) brightening of 1ES 1927+654, which until now was known as a narrow-line active galactic nucleus (AGN). 1ES…”
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The Spectral Evolution of AT 2018dyb and the Presence of Metal Lines in Tidal Disruption Events by Leloudas, Giorgos, Dai, Lixin, Arcavi, Iair, Vreeswijk, Paul M., Mockler, Brenna, Roy, Rupak, Malesani, Daniele B., Schulze, Steve, Wevers, Thomas, Fraser, Morgan, Ramirez-Ruiz, Enrico, Auchettl, Katie, Burke, Jamison, Cannizzaro, Giacomo, Charalampopoulos, Panos, Chen, Ting-Wan, Cikota, Aleksandar, Della Valle, Massimo, Galbany, Lluis, Gromadzki, Mariusz, Heintz, Kasper E., Hiramatsu, Daichi, Jonker, Peter G., Kostrzewa-Rutkowska, Zuzanna, Maguire, Kate, Mandel, Ilya, Nicholl, Matt, Onori, Francesca, Roth, Nathaniel, Smartt, Stephen J., Wyrzykowski, Lukasz, Young, Dave R.

“…We present light curves and spectra of the tidal disruption event (TDE) ASASSN-18pg/AT 2018dyb spanning a period of one year. The event shows a plethora of…”
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The death of massive stars - II. Observational constraints on the progenitors of Type Ibc supernovae by Eldridge, John J., Fraser, Morgan, Smartt, Stephen J., Maund, Justyn R., Crockett, R. Mark

“…The progenitors of many Type II core-collapse supernovae (SNe) have now been identified directly on pre-discovery imaging. Here, we present an extensive search…”
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The Birth Place of the Type Ic Supernova 2007gr by Crockett, R. Mark, Maund, Justyn R, Smartt, Stephen J, Mattila, Seppo, Pastorello, Andrea, Smoker, Jonathan, Stephens, Andrew W, Fynbo, Johan, Eldridge, John J, Danziger, I. John, Benn, Christopher R

“…We report our attempts to locate the progenitor of the peculiar Type Ic SN 2007gr in Hubble Space Telescope (HST) preexplosion images of the host galaxy, NGC…”
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Heavy-element production in a compact object merger observed by JWST by Levan, Andrew J., Gompertz, Benjamin P., Salafia, Om Sharan, Bulla, Mattia, Burns, Eric, Hotokezaka, Kenta, Izzo, Luca, Lamb, Gavin P., Malesani, Daniele B., Oates, Samantha R., Ravasio, Maria Edvige, Rouco Escorial, Alicia, Schneider, Benjamin, Sarin, Nikhil, Schulze, Steve, Tanvir, Nial R., Ackley, Kendall, Anderson, Gemma, Brammer, Gabriel B., Christensen, Lise, Dhillon, Vikram S., Evans, Phil A., Fausnaugh, Michael, Fong, Wen-fai, Fruchter, Andrew S., Fryer, Chris, Fynbo, Johan P. U., Gaspari, Nicola, Heintz, Kasper E., Hjorth, Jens, Kennea, Jamie A., Kennedy, Mark R., Laskar, Tanmoy, Leloudas, Giorgos, Mandel, Ilya, Martin-Carrillo, Antonio, Metzger, Brian D., Nicholl, Matt, Nugent, Anya, Palmerio, Jesse T., Pugliese, Giovanna, Rastinejad, Jillian, Rhodes, Lauren, Rossi, Andrea, Saccardi, Andrea, Smartt, Stephen J., Stevance, Heloise F., Tohuvavohu, Aaron, van der Horst, Alexander, Vergani, Susanna D., Watson, Darach, Barclay, Thomas, Bhirombhakdi, Kornpob, Breedt, Elmé, Breeveld, Alice A., Brown, Alexander J., Campana, Sergio, Chrimes, Ashley A., D’Avanzo, Paolo, D’Elia, Valerio, De Pasquale, Massimiliano, Dyer, Martin J., Galloway, Duncan K., Garbutt, James A., Green, Matthew J., Hartmann, Dieter H., Jakobsson, Páll, Kerry, Paul, Kouveliotou, Chryssa, Langeroodi, Danial, Le Floc’h, Emeric, Leung, James K., Littlefair, Stuart P., Munday, James, O’Brien, Paul, Parsons, Steven G., Pelisoli, Ingrid, Sahman, David I., Salvaterra, Ruben, Sbarufatti, Boris, Steeghs, Danny, Tagliaferri, Gianpiero, Thöne, Christina C., de Ugarte Postigo, Antonio, Kann, David Alexander

“…The mergers of binary compact objects such as neutron stars and black holes are of central interest to several areas of astrophysics, including as the…”
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Probing the progenitors of Type Ia supernovae using circumstellar material interaction signatures by Clark, Peter, Maguire, Kate, Bulla, Mattia, Galbany, Lluís, Sullivan, Mark, Anderson, Joseph P, Smartt, Stephen J

“…ABSTRACT This work aims to study different probes of Type Ia supernova (SN Ia) progenitors that have been suggested to be linked to the presence of…”
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Luminosity and Mass Limits for the Progenitor of the Type Ic Supernova 2004gt in NGC 4038 by Maund, Justyn R, Smartt, Stephen J, Schweizer, Francois

“…We report on our attempts to locate the progenitor of the Type Ic supernova SN 2004gt in NGC 4038. We use high-resolution HST ACS images of SN 2004gt and have…”
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SN 2019ehk: A Double-peaked Ca-rich Transient with Luminous X-Ray Emission and Shock-ionized Spectral Features by Jacobson-Galán, Wynn V., Margutti, Raffaella, Kilpatrick, Charles D., Hiramatsu, Daichi, Perets, Hagai, Khatami, David, Foley, Ryan J., Raymond, John, Yoon, Sung-Chul, Bobrick, Alexey, Zenati, Yossef, Galbany, Lluís, Andrews, Jennifer, Brown, Peter J., Cartier, Régis, Coppejans, Deanne L., Dimitriadis, Georgios, Dobson, Matthew, Hajela, Aprajita, Howell, D. Andrew, Kuncarayakti, Hanindyo, Milisavljevic, Danny, Rahman, Mohammed, Rojas-Bravo, César, Sand, David J., Shepherd, Joel, Smartt, Stephen J., Stacey, Holland, Stroh, Michael, Swift, Jonathan J., Terreran, Giacomo, Vinko, Jozsef, Wang, Xiaofeng, Anderson, Joseph P., Baron, Edward A., Berger, Edo, Blanchard, Peter K., Burke, Jamison, Coulter, David A., DeMarchi, Lindsay, DerKacy, James M., Fremling, Christoffer, Gomez, Sebastian, Gromadzki, Mariusz, Hosseinzadeh, Griffin, Kasen, Daniel, Kriskovics, Levente, McCully, Curtis, Müller-Bravo, Tomás E., Nicholl, Matt, Ordasi, András, Pellegrino, Craig, Piro, Anthony L., Pál, András, Ren, Juanjuan, Rest, Armin, Rich, R. Michael, Sai, Hanna, Sárneczky, Krisztián, Shen, Ken J., Short, Philip, Siebert, Matthew R., Stauffer, Candice, Szakáts, Róbert, Zhang, Xinhan, Zhang, Jujia, Zhang, Kaicheng

“…We present panchromatic observations and modeling of the Calcium-rich supernova (SN) 2019ehk in the star-forming galaxy M100 (d 16.2 Mpc) starting 10 hr after…”
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Astrophysics: A twist in the tale of γ-ray bursts by Smartt, Stephen J

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Optimization of the Observing Cadence for the Rubin Observatory Legacy Survey of Space and Time: A Pioneering Process of Community-focused Experimental Design by Bianco, Federica B., Ivezić, Željko, Jones, R. Lynne, Graham, Melissa L., Marshall, Phil, Saha, Abhijit, Strauss, Michael A., Yoachim, Peter, Ribeiro, Tiago, Anguita, Timo, Bauer, A. E., Bauer, Franz E., Bellm, Eric C., Blum, Robert D., Brandt, William N., Brough, Sarah, Catelan, Márcio, Clarkson, William I., Connolly, Andrew J., Gawiser, Eric, Gizis, John E., Hložek, Renée, Kaviraj, Sugata, Liu, Charles T., Lochner, Michelle, Mahabal, Ashish A., Mandelbaum, Rachel, McGehee, Peregrine, Neilsen Jr, Eric H., Olsen, Knut A. G., Peiris, Hiranya V., Rhodes, Jason, Richards, Gordon T., Ridgway, Stephen, Schwamb, Megan E., Scolnic, Dan, Shemmer, Ohad, Slater, Colin T., Slosar, Anže, Smartt, Stephen J., Strader, Jay, Street, Rachel, Trilling, David E., Verma, Aprajita, Vivas, A. K., Wechsler, Risa H., Willman, Beth

“…Abstract Vera C. Rubin Observatory is a ground-based astronomical facility under construction, a joint project of the National Science Foundation and the U.S…”
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NEural Engine for Discovering Luminous Events ( NEEDLE ): identifying rare transient candidates in real time from host galaxy images by Sheng, Xinyue, Nicholl, Matt, Smith, Ken W, Young, David R, Williams, Roy D, Stevance, Heloise F, Smartt, Stephen J, Srivastav, Shubham, Moore, Thomas

“…ABSTRACT Known for their efficiency in analysing large data sets, machine learning-based classifiers have been widely used in wide-field sky survey pipelines…”
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A twist in the tale of γ-ray bursts by Smartt, Stephen J.

“…An unusually long burst of γ-rays zapped Earth in December 2011, lasting 4 hours. The cause of this burst is now proposed to be a peculiar supernova produced…”
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