Search Results - "Derkacy, James"

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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

    Published in The Astrophysical journal (01-08-2020)
    “…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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    Direct analysis of the broad-line SN 2019ein: connection with the core-normal SN 2011fe by Yarbrough, Zach, Baron, E, DerKacy, James M, Washington, I, Hoeflich, P, Burrow, Anthony

    “…ABSTRACT Type Ia supernovae (SNe Ia) are important cosmological probes and contributors to galactic nucleosynthesis, particularly of the iron group elements…”
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    Evaluating the Consistency of Cosmological Distances Using Supernova Siblings in the Near-infrared by Dwomoh, Arianna M., Peterson, Erik R., Scolnic, Daniel, Ashall, Chris, DerKacy, James M., Do, Aaron, Johansson, Joel, Jones, David O., Riess, Adam G., Shappee, Benjamin J.

    Published in The Astrophysical journal (01-04-2024)
    “…Abstract The study of supernova (SN) siblings, supernovae with the same host galaxy, is an important avenue for understanding and measuring the properties of…”
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    Ultraviolet Line Identifications and Spectral Formation Near Max Light in Type Ia Supernova 2011fe by DerKacy, James M., Baron, E., Branch, David, Hoeflich, Peter, Hauschildt, Peter, Brown, Peter J., Wang, Lifan

    Published in The Astrophysical journal (01-09-2020)
    “…We present ultraviolet line identifications of near maximum-light Hubble Space Telescope observations of SN 2011fe using synthetic spectra generated from both…”
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    SN 2019va: a Type IIP Supernova with Large Influence of Nickel-56 Decay on the Plateau-phase Light Curve by Zhang, Xinghan, Wang, Xiaofeng, Sai, Hanna, Mo, Jun, Nagy, A P, Zhang, Jicheng, Cai, Yongzhi, Lin, Han, Zhang, Jujia, Baron, Eddie, DerKacy, James M, Zhang, Tianmeng, Li, Zhitong, Graham, Melissa, Huang, Fang

    “…ABSTRACT We present multiband photometric and spectroscopic observations of the type II supernova, (SN) 2019va, which shows an unusually flat plateau-phase…”
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    Seeing Double: ASASSN-18bt Exhibits a Two-component Rise in the Early-time K2 Light Curve by Shappee, B. J., Holoien, T. W.-S., Drout, M. R., Auchettl, K., Stritzinger, M. D., Kochanek, C. S., Stanek, K. Z., Narayan, G., Brown, J. S., Bose, S., Brimacombe, J., Dong, Subo, Holmbo, S., Katz, B., Muñoz, J. A., Mutel, R. L., Post, R. S., Prieto, J. L., Shields, J., Thompson, T. A., Vallely, P. J., Villanueva, S., Denneau, L., Flewelling, H., Stalder, B., Tonry, J. L., Weiland, H., Barclay, T., Cody, A. M., Dotson, J., Foerster, F., Garnavich, P., Gully-Santiago, M., Hedges, C., Howell, S., Kasen, D., Margheim, S., Mushotzky, R., Rest, A., Tucker, B. E., Villar, A., Beerman, G., Bjella, R., Castillo, G., Coughlin, J., Elsaesser, B., Flynn, S., Gangopadhyay, R., Griest, K., Kampmeier, J., Kloetzel, R., Labonde, C., Larsen, R., Larson, K. A., McCalmont-Everton, K. M., McGinn, C., Moffatt, J., Muszynski, M., Nystrom, V., Osborne, D., Packard, M., Reedy, L. H., Spencer, B., Steward, K., de Miranda Cardoso, J. Vinícius, Weschler, T., Wheaton, A., Bulger, J., Chambers, K. C., Flewelling, H. A., Huber, M. E., Lowe, T. B., Magnier, E. A., Schultz, A. S. B., Waters, C. Z., Willman, M., Baron, E., Chen, Zhihao, Derkacy, James M., Huang, Fang, Li, Xue, Mo, Jun, Rui, Liming, Sai, Hanna, Wang, Lifan, Wang, Lingzhi, Wang, Xiaofeng, Xiang, Danfeng, Zhang, Jicheng, Zhang, Jujia, Zhang, Kaicheng, Zhang, Tianmeng, Zhang, Xinghan, Zhao, Xulin, Brown, P. J., Hermes, J. J., Nordin, J., Points, S., Sódor, A., Strampelli, G. M.

    Published in The Astrophysical journal (01-01-2019)
    “…On 2018 February 4.41, the All-Sky Automated Survey for SuperNovae (ASAS-SN) discovered ASASSN-18bt in the K2 Campaign 16 field. With a redshift of z = 0.01098…”
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    Ground-based and JWST Observations of SN 2022pul. I. Unusual Signatures of Carbon, Oxygen, and Circumstellar Interaction in a Peculiar Type Ia Supernova by Siebert, Matthew R., Kwok, Lindsey A., Johansson, Joel, Jha, Saurabh W., Blondin, Stéphane, Dessart, Luc, Foley, Ryan J., Hillier, D. John, Larison, Conor, Pakmor, Rüdiger, Temim, Tea, Andrews, Jennifer E., Auchettl, Katie, Badenes, Carles, Barna, Barnabas, Bostroem, K. Azalee, Brenner Newman, Max J., Brink, Thomas G., Bustamante-Rosell, María José, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David A., Davis, Kyle W., Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei V., Flörs, Andreas, Fox, Ori D., Garnavich, Peter, Padilla Gonzalez, Estefania, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Le Saux, Xavier K., Maeda, Keiichi, Maguire, Kate, McCully, Curtis, Mihalenko, Cassidy, Newsome, Megan, O’Brien, John T., Pearson, Jeniveve, Pellegrino, Craig, Pierel, Justin D. R., Polin, Abigail, Rest, Armin, Rojas-Bravo, César, Sand, David J., Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamás, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco H., Tinyanont, Samaporn, Valenti, Stefano, Vinkó, József, Wheeler, J. Craig, Yang, Yi, Zheng, WeiKang, Ashall, Chris, DerKacy, James M., Galbany, Lluís, Hoeflich, Peter, Hsiao, Eric, de Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morrell, Nidia, Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan

    Published in The Astrophysical journal (01-01-2024)
    “…Abstract Nebular-phase observations of peculiar Type Ia supernovae (SNe Ia) provide important constraints on progenitor scenarios and explosion dynamics for…”
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    Ground-based and JWST Observations of SN 2022pul. II. Evidence from Nebular Spectroscopy for a Violent Merger in a Peculiar Type Ia Supernova by Kwok, Lindsey A., Siebert, Matthew R., Johansson, Joel, Jha, Saurabh W., Blondin, Stéphane, Dessart, Luc, Foley, Ryan J., Hillier, D. John, Larison, Conor, Pakmor, Rüdiger, Temim, Tea, Andrews, Jennifer E., Auchettl, Katie, Badenes, Carles, Barnabas, Barna, Bostroem, K. Azalee, Brenner Newman, Max J., Brink, Thomas G., Bustamante-Rosell, María José, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David A., Davis, Kyle W., Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei V., Flörs, Andreas, Fox, Ori D., Garnavich, Peter, Padilla Gonzalez, Estefania, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Saux, Xavier K., Maeda, Keiichi, Maguire, Kate, McCully, Curtis, Mihalenko, Cassidy, Newsome, Megan, O’Brien, John T., Pearson, Jeniveve, Pellegrino, Craig, Pierel, Justin D. R., Polin, Abigail, Rest, Armin, Rojas-Bravo, César, Sand, David J., Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamás, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco H., Tinyanont, Samaporn, Valenti, Stefano, Vinkó, József, Wheeler, J. Craig, Yang, Yi, Zheng, WeiKang, Ashall, Chris, DerKacy, James M., Galbany, Lluís, Hoeflich, Peter, de Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morell, Nidia, Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan

    Published in The Astrophysical journal (01-05-2024)
    “…Abstract We present an analysis of ground-based and JWST observations of SN 2022pul, a peculiar “03fg-like” (or “super-Chandrasekhar”) Type Ia supernova (SN…”
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    Journal Article
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    Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq by Pearson, Jeniveve, Sand, David J., Lundqvist, Peter, Galbany, Lluís, Andrews, Jennifer E., Bostroem, K. Azalee, Dong, Yize, Hoang, Emily, Hosseinzadeh, Griffin, Janzen, Daryl, Jencson, Jacob E., Lundquist, Michael J., Mehta, Darshana, Meza Retamal, Nicolás, Shrestha, Manisha, Valenti, Stefano, Wyatt, Samuel, Anderson, Joseph P., Ashall, Chris, Auchettl, Katie, Baron, Eddie, Blondin, Stéphane, Burns, Christopher R., Cai, Yongzhi, Chen, Ting-Wan, Chomiuk, Laura, Coulter, David A., Cross, Dane, Davis, Kyle W., de Jaeger, Thomas, DerKacy, James M., Desai, Dhvanil D., Dimitriadis, Georgios, Do, Aaron, Farah, Joseph R., Foley, Ryan J., Gromadzki, Mariusz, Gutiérrez, Claudia P., Haislip, Joshua, González Hernández, Jonay I., Hinkle, Jason T., Hoogendam, Willem B., Howell, D. Andrew, Hoeflich, Peter, Hsiao, Eric, Huber, Mark E., Jha, Saurabh W., Jiménez Palau, Cristina, Kilpatrick, Charles D., Kouprianov, Vladimir, Kumar, Sahana, Kwok, Lindsey A., Larison, Conor, LeBaron, Natalie, Le Saux, Xavier, Lu, Jing, McCully, Curtis, Mera Evans, Tycho, Milne, Peter, Modjaz, Maryam, Morrell, Nidia, Müller-Bravo, Tomás E., Newsome, Megan, Nicholl, Matt, Padilla Gonzalez, Estefania, Payne, Anna V., Pellegrino, Craig, Phan, Kim, Pineda-García, Jonathan, Piro, Anthony L., Piscarreta, Lara, Polin, Abigail, Reichart, Daniel E., Rojas-Bravo, César, Ryder, Stuart D., Salmaso, Irene, Schwab, Michaela, Shahbandeh, Melissa, Shappee, Benjamin J., Siebert, Matthew R., Smith, Nathan, Strader, Jay, Taggart, Kirsty, Terreran, Giacomo, Tinyanont, Samaporn, Tucker, M. A., Valerin, Giorgio, Young, D. R.

    Published in The Astrophysical journal (01-01-2024)
    “…Abstract We present optical, infrared, ultraviolet, and radio observations of SN 2022xkq, an underluminous fast-declining Type Ia supernova (SN Ia) in NGC 1784…”
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    Ground-based and JWST Observations of SN 2022pul. II. Evidence from Nebular Spectroscopy for a Violent Merger in a Peculiar Type Ia Supernova by Kwok, Lindsey, Siebert, Matthew, Johansson, Joel, Jha, Saurabh, Blondin, Stéphane, Dessart, Luc, Foley, Ryan, Hillier, D. John, Larison, Conor, Pakmor, Rüdiger, Temim, Tea, Andrews, Jennifer, Auchettl, Katie, Badenes, Carles, Barnabas, Barna, Bostroem, K. Azalee, Brenner Newman, Max, Brink, Thomas, Bustamante-Rosell, María José, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David, Davis, Kyle, Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei, Flörs, Andreas, Fox, Ori, Garnavich, Peter, Padilla Gonzalez, Estefania, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John, Kerzendorf, Wolfgang, Saux, Xavier, Maeda, Keiichi, Maguire, Kate, Mccully, Curtis, Mihalenko, Cassidy, Newsome, Megan, O’brien, John, Pearson, Jeniveve, Pellegrino, Craig, Pierel, Justin, Polin, Abigail, Rest, Armin, Rojas-Bravo, César, Sand, David, Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamás, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco, Tinyanont, Samaporn, Valenti, Stefano, Vinkó, József, Wheeler, J. Craig, Yang, Yi, Zheng, Weikang, Ashall, Chris, Derkacy, James, Galbany, Lluís, Hoeflich, Peter, de Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morell, Nidia, Shappee, Benjamin, Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan

    Published in The Astrophysical journal (30-04-2024)
    “…Abstract We present an analysis of ground-based and JWST observations of SN 2022pul, a peculiar “03fg-like” (or “super-Chandrasekhar”) Type Ia supernova (SN…”
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    Journal Article
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    Direct Analysis of the Broad-Line SN 2019ein: Connection with the Core-Normal SN 2011fe by Yarbrough, Zach, Baron, E, DerKacy, James M, Washington, I, Hoeflich, Peter, Burrow, Anthony

    Published 19-03-2023
    “…Type Ia supernovae (SNe Ia) are important cosmological probes and contributors to galactic nucleosynthesis, particularly of the iron group elements. To improve…”
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    Journal Article