Search Results - "Ashall, Chris"

Chandra, HST/STIS, NICER, Swift, and TESS Detail the Flare Evolution of the Repeating Nuclear Transient ASASSN -14ko by Payne, Anna V., Auchettl, Katie, Shappee, Benjamin J., Kochanek, Christopher S., Boyd, Patricia T., Holoien, Thomas W.-S., Fausnaugh, Michael M., Ashall, Chris, Hinkle, Jason T., Vallely, Patrick J., Stanek, K. Z., Thompson, Todd A.

“…Abstract ASASSN-14ko is a nuclear transient at the center of the AGN ESO 253−G003 that undergoes periodic flares. Optical flares were first observed in 2014 by…”
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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.

“…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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Extrapolation of Type Ia Supernova Spectra into the Near-infrared Using Principal Component Analysis by Burrow, Anthony, Baron, E., Burns, Christopher R., Hsiao, Eric Y., Lu, Jing, Ashall, Chris, Brown, Peter J., DerKacy, James M., Folatelli, G., Galbany, Lluís, Hoeflich, P., Krisciunas, Kevin, Morrell, N., Phillips, M. M., Shappee, Benjamin J., Stritzinger, Maximilian D., Suntzeff, Nicholas B.

“…Abstract We present a method of extrapolating the spectroscopic behavior of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) wavelength regime up to 2.30…”
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Spectropolarimetry of the Thermonuclear Supernova SN 2021rhu: High Calcium Polarization 79 Days after Peak Luminosity by Yang, Yi, Yan, Huirong, Wang, Lifan, Wheeler, J. Craig, Baade, Dietrich, Isaacson, Howard, Cikota, Aleksandar, Maund, Justyn R., Hoeflich, Peter, Patat, Ferdinando, Giacalone, Steven, Rice, Malena, Tyler, Dakotah B., Mishra, Divya, Ashall, Chris, Brink, Thomas G., Filippenko, Alexei V., Galbany, Llíus, Patra, Kishore C., Shahbandeh, Melissa, S. Vasylyev, Sergiy, Vinkó, Jozsef

“…Abstract We report spectropolarimetric observations of the Type Ia supernova (SN) SN 2021rhu at four epochs: −7, +0, +36, and +79 days relative to its B -band…”
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SN 2016ije: An SN 2002es-like Type Ia Supernova Exploded in a Metal-poor and Low-surface Brightness Galaxy by Li, Zhitong, Zhang, Tianmeng, Wang, Xiaofeng, Zhang, Jujia, Galbany, Lluís, Filippenko, Alexei V., Brink, Thomas G., Ashall, Chris, Zheng, WeiKang, de Jaeger, Thomas, Ragosta, Fabio, Deckers, Maxime, Gromadzki, Mariusz, Young, D. R., Xi, Gaobo, Chen, Juncheng, Zhao, Xulin, Sai, Hanna, Yan, Shengyu, Xiang, Danfeng, Chen, Zhihao, Li, Wenxiong, Wang, Bo, Zou, Hu, Sui, Jipeng, Wang, Jiali, Ma, Jun, Nie, Jundan, Xue, Suijian, Zhou, Xu, Zhou, Zhimin

“…Abstract We have conducted photometric and spectroscopic observations of the peculiar Type Ia supernova (SN Ia) 2016ije that was discovered through the…”
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Optical and Near-infrared Observations of the Nearby SN Ia 2017cbv by Wang, Lingzhi, Contreras, Carlos, Hu, Maokai, Hamuy, Mario A., Hsiao, Eric Y., Sand, David J., Anderson, Joseph P., Ashall, Chris, Burns, Christopher R., Chen, Juncheng, Diamond, Tiara R., Davis, Scott, Förster, Francisco, Galbany, Lluís, González-Gaitán, Santiago, Gromadzki, Mariusz, Hoeflich, Peter, Li, Wenxiong, Marion, G. H., Morrell, Nidia, Pignata, Giuliano, Prieto, Jose L., Phillips, Mark M., Shahbandeh, Melissa, Suntzeff, Nicholas B., Valenti, Stefano, Wang, Lifan, Wang, Xiaofeng, Young, D. R., Yu, Lixin, Zhang, Jujia

“…Supernova (SN) 2017cbv in NGC 5643 is one of a handful of Type Ia supernovae (SNe Ia) reported to have excess blue emission at early times. This paper presents…”
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Serendipitous Nebular-phase JWST Imaging of SN Ia SN 2021aefx: Testing the Confinement of 56Co Decay Energy by Chen, Ness Mayker, Tucker, Michael A., Hoyer, Nils, Jha, Saurabh W., Kwok, Lindsey A., Leroy, Adam K., Rosolowsky, Erik, Ashall, Chris, Anand, Gagandeep, Bigiel, Frank, Boquien, Médéric, Burns, Chris, Dale, Daniel, DerKacy, James M., Egorov, Oleg V., Galbany, L., Grasha, Kathryn, Hassani, Hamid, Hoeflich, Peter, Hsiao, Eric, Klessen, Ralf S., Lopez, Laura A., Lu, Jing, Morrell, Nidia, Orellana, Mariana, Pinna, Francesca, Sarbadhicary, Sumit K., Schinnerer, Eva, Shahbandeh, Melissa, Stritzinger, Maximilian, Thilker, David A., Williams, Thomas G.

“…We present new 0.3–21 μm photometry of SN 2021aefx in the spiral galaxy NGC 1566 at +357 days after B-band maximum, including the first detection of any Type…”
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Early excess emission in Type Ia supernovae from the interaction between supernova ejecta and their circumstellar wind by Moriya, Takashi J, Mazzali, Paolo A, Ashall, Chris, Pian, Elena

“…ABSTRACT The effects of the interaction between Type Ia supernova ejecta and their circumstellar wind on the photometric properties of Type Ia supernovae are…”
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Abundance stratification in type Ia supernovae – VII. The peculiar, C-rich iPTF16abc: highlighting diversity among luminous events by Aouad, Charles J, Mazzali, Paolo A, Ashall, Chris, Tanaka, Masaomi, Hachinger, Stephan

“…ABSTRACT Observations of Type Ia supernovae (SNe Ia) reveal diversity, even within assumed subcategories. Here, the composition of the peculiar iPTF16abc (SN…”
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A very luminous magnetar-powered supernova associated with an ultra-long γ-ray burst by Greiner, Jochen, Mazzali, Paolo A., Kann, D. Alexander, Krühler, Thomas, Pian, Elena, Prentice, Simon, Olivares E., Felipe, Rossi, Andrea, Klose, Sylvio, Taubenberger, Stefan, Knust, Fabian, Afonso, Paulo M. J., Ashall, Chris, Bolmer, Jan, Delvaux, Corentin, Diehl, Roland, Elliott, Jonathan, Filgas, Robert, Fynbo, Johan P. U., Graham, John F., Guelbenzu, Ana Nicuesa, Kobayashi, Shiho, Leloudas, Giorgos, Savaglio, Sandra, Schady, Patricia, Schmidl, Sebastian, Schweyer, Tassilo, Sudilovsky, Vladimir, Tanga, Mohit, Updike, Adria C., van Eerten, Hendrik, Varela, Karla

“…A new class of ultra-long-duration γ-ray bursts (GRBs) has recently been suggested, with durations in excess of 10,000 seconds, and now a supernova (SN 2011kl)…”
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The Fast, Luminous Ultraviolet Transient AT2018cow: Extreme Supernova, or Disruption of a Star by an Intermediate-Mass Black Hole? by Perley, Daniel A., Mazzali, Paolo A., Yan, Lin, Cenko, S. Bradley, Gezari,5, Suvi, Taggart, Kirsty, Blagorodnova, Nadia, Fremling, Christoffer, Mockler, Brenna, Singh, Avinash, Tominaga, Nozomu, Tanaka, Masaomi, Watson, Alan M., Ahumada, Tomas, Anupama, G. C., Ashall, Chris, Becerra, Rosa L., Bersier, David, Bhalerao, Varun, Bloom, Joshua S., Butler, Nathaniel R., Copperwheat, Christopher, Coughlin, Michael W., De, Kishalay, Drake, Andrew J., Duev, Dmitry A., Frederick, Sara, Gonzalez, J. Jesus, Goobar, Ariel, Heida, Marianne, Ho, Anna Y. Q., Horst, John, Hung, Tiara, Itoh, Ryosuke, Jencson, Jacob E., Kasliwal, Mansi M., Kawai, Nobuyuki, Khanam, Tanazza, Kulkarni, Shrinivas R, Kumar, Brajesh, Kumar, Harsh, Kutyrev, Alexander S, Lee, William H., Maeda, Keiichi, Mahabal, Ashish, Murata, Katsuhiro L., Neill, James D., Ngeow, Chow-Choong, Penprase, Bryan, Pian, Elena, Quimby, Robert, Ramirez-Ruiz, Enrico, Richer, Michael G., Roman-Zuniga, Carlos G., Sahu, D. K., Srivastav, Shubham, Socia, Quentin, Sollerman, Jesper, Tachibana, Yutaro, Taddia, Francesco, Tinyanont, Samaporn, Troja, Eleonora, Ward, Charlotte, Wee, Jerrick, Yu, Po-Chieh

“…Wide-field optical surveys have begun to uncover large samples of fast (trise <~ 5 d), luminous (Mpeak < −18), blue transients. While commonly attributed to…”
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The Carnegie Supernova Project-I: Correlation between Type Ia Supernovae and Their Host Galaxies from Optical to Near-infrared Bands by Uddin, Syed A, Burns, Christopher R., Phillips, M. M., Suntzeff, Nicholas B., Contreras, Carlos, Hsiao, Eric Y., Morrell, Nidia, Galbany, Lluís, Stritzinger, Maximilian, Hoeflich, Peter, Ashall, Chris, Piro, Anthony L., Freedman, Wendy L., Persson, S. E., Krisciunas, Kevin, Brown, Peter

“…Abstract We present optical and near-infrared (NIR) ( ugriYJH ) photometry of host galaxies of Type Ia supernovae (SN Ia) observed by the Carnegie Supernova…”
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Abundance stratification in Type Ia supernovae – VI. The peculiar slow decliner SN 1999aa by Aouad, Charles J, Mazzali, Paolo A, Hachinger, Stephan, Teffs, Jacob, Pian, Elena, Ashall, Chris, Benetti, Stefano, Filippenko, Alexei V, Tanaka, Masaomi

“…ABSTRACT The abundance distribution in the ejecta of the peculiar slowly declining Type Ia supernova (SN Ia) SN 1999aa is obtained by modelling a time series…”
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Hawaií Supernova Flows: A peculiar velocity survey using over a Thousand Supernovae in the near-infrared by Do, Aaron, Shappee, Benjamin J, Tonry, John L, Tully, R Brent, de Jaeger, Thomas, Rubin, David, Ashall, Chris, Burns, Christopher R, Desai, Dhvanil D, Hinkle, Jason T, Hoogendam, Willem B, Huber, Mark E, Jones, David O, Mandel, Kaisey S, Payne, Anna V, Peterson, Erik R, Scolnic, Dan, Tucker, Michael A

“…Abstract We introduce the Hawai‘i Supernova Flows project and present summary statistics of the first 1,217 astronomical transients observed, 668 of which are…”
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SN 2013aa and SN 2017cbv: Two Sibling Type Ia Supernovae in the Spiral Galaxy NGC 5643 by Burns, Christopher R., Ashall, Chris, Contreras, Carlos, Brown, Peter, Stritzinger, Maximilian, Phillips, M. M., Flores, Ricardo, Suntzeff, Nicholas B., Hsiao, Eric Y., Uddin, Syed, Simon, Joshua D., Krisciunas, Kevin, Campillay, Abdo, Foley, Ryan J., Freedman, Wendy L., Galbany, Lluís, González, Consuelo, Hoeflich, Peter, Holmbo, S., Kilpatrick, Charles D., Kirshner, Robert P., Morrell, Nidia, Muñoz-Elgueta, Nahir, Piro, Anthony L., Rojas-Bravo, César, Sand, David, Vargas-González, Jaime, Ulloa, Natalie, Vilchez, Jorge Anais

“…We present photometric and spectroscopic observations of SN 2013aa and SN 2017cbv, two nearly identical type Ia supernovae (SNe Ia) in the host galaxy NGC…”
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Carnegie Supernova Project: Classification of Type Ia Supernovae by Burrow, Anthony, Baron, E., Ashall, Chris, Burns, Christopher R., Morrell, N., Stritzinger, Maximilian D., Brown, Peter J., Folatelli, G., Freedman, Wendy L., Galbany, Lluís, Hoeflich, P., Hsiao, Eric Y., Krisciunas, Kevin, Phillips, M. M., Piro, Anthony L., Suntzeff, Nicholas B., Uddin, Syed

“…We use the spectroscopy and homogeneous photometry of 97 Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project as well as a subset of 36 SNe…”
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SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries by Andrews, Jennifer E., Sand, D. J., Valenti, S., Smith, Nathan, Dastidar, Raya, Sahu, D. K., Misra, Kuntal, Singh, Avinash, Hiramatsu, D., Brown, P. J., Hosseinzadeh, G., Wyatt, S., Vinko, J., Anupama, G. C., Arcavi, I., Ashall, Chris, Benetti, S., Berton, Marco, Bostroem, K. A., Bulla, M., Burke, J., Chen, S., Chomiuk, L., Cikota, A., Congiu, E., Cseh, B., Davis, Scott, Elias-Rosa, N., Faran, T., Fraser, Morgan, Galbany, L., Gall, C., Gal-Yam, A., Gangopadhyay, Anjasha, Gromadzki, M., Haislip, J., Howell, D. A., Hsiao, E. Y., Inserra, C., Kankare, E., Kuncarayakti, H., Kouprianov, V., Kumar, Brajesh, Li, Xue, Lin, Han, Maguire, K., Mazzali, P., McCully, C., Milne, P., Mo, Jun, Morrell, N., Nicholl, M., Ochner, P., Olivares, F., Pastorello, A., Patat, F., Phillips, M., Pignata, G., Prentice, S., Reguitti, A., Reichart, D. E., Rodríguez, Ó., Rui, Liming, Sanwal, Pankaj, Sárneczky, K., Shahbandeh, M., Singh, Mridweeka, Smartt, S., Strader, J., Stritzinger, M. D., Szakáts, R., Tartaglia, L., Wang, Huijuan, Wang, Lingzhi, Wang, Xiaofeng, Wheeler, J. C., Xiang, Danfeng, Yaron, O., Young, D. R., Zhang, Junbo

“…We present high-cadence UV, optical, and near-infrared data on the luminous Type II-P supernova SN 2017gmr from hours after discovery through the first 180…”
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Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja by Hosseinzadeh, Griffin, Kilpatrick, Charles D., Dong, Yize, Sand, David J., Andrews, Jennifer E., Bostroem, K. Azalee, Janzen, Daryl, Jencson, Jacob E., Lundquist, Michael, Meza Retamal, Nicolas E., Pearson, Jeniveve, Valenti, Stefano, Wyatt, Samuel, Burke, Jamison, Hiramatsu, Daichi, Howell, D. Andrew, McCully, Curtis, Newsome, Megan, Gonzalez, Estefania Padilla, Pellegrino, Craig, Terreran, Giacomo, Auchettl, Katie, Davis, Kyle W., Foley, Ryan J., Miao, Hao-Yu, Pan, Yen-Chen, Rest, Armin, Siebert, Matthew R., Taggart, Kirsty, Tucker, Brad E., Cyrus Leung, Feng Lin, Swift, Jonathan J., Yang, Grace, Anderson, Joseph P., Ashall, Chris, Benetti, Stefano, Brown, Peter J., Cartier, Régis, Chen, Ting-Wan, Valle, Massimo Della, Galbany, Lluís, Gomez, Sebastian, Gromadzki, Mariusz, Haislip, Joshua, Hsiao, Eric Y., Inserra, Cosimo, Jha, Saurabh W., Killestein, Thomas L., Kouprianov, Vladimir, Kozyreva, Alexandra, Müller-Bravo, Tomás E., Nicholl, Matt, Paraskeva, Emmy, Reichart, Daniel E., Ryder, Stuart, Shahbandeh, Melissa, Shappee, Ben, Smith, Nathan, Young, David R.

“…Abstract We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby ( D ≈ 23 Mpc) Type II supernova (SN) 2021yja. Many Type II SNe…”
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The nearby Type Ibn supernova 2015G: signatures of asymmetry and progenitor constraints by Shivvers, Isaac, Zheng, WeiKang, Van Dyk, Schuyler D., Mauerhan, Jon, Filippenko, Alexei V., Smith, Nathan, Foley, Ryan J., Mazzali, Paolo, Kamble, Atish, Kilpatrick, Charles D., Margutti, Raffaella, Yuk, Heechan, Graham, Melissa L., Kelly, Patrick L., Andrews, Jennifer, Matheson, Thomas, Wood-Vasey, W. Michael, Ponder, Kara A., Brown, Peter J., Chevalier, Roger, Milisavljevic, Dan, Drout, Maria, Parrent, Jerod, Soderberg, Alicia, Ashall, Chris, Piascik, Andrzej, Prentice, Simon

“…Abstract We present the results of an extensive observational campaign on the nearby Type Ibn SN 2015G, including data from radio through ultraviolet…”
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SCAT uncovers ATLAS’s first tidal disruption event ATLAS18mlw: a faint and fast TDE in a quiescent Balmer strong Galaxy by Hinkle, Jason T, Tucker, Michael A, Shappee, Benjamin J, Holoien, Thomas W-S, Vallely, Patrick J, de Jaeger, Thomas, Auchettl, Katie, Aldering, Greg, Ashall, Chris, Desai, Dhvanil D, Do, Aaron, Payne, Anna V, Tonry, John L

“…ABSTRACT We present the discovery that ATLAS18mlw was a tidal disruption event (TDE) in the galaxy WISEA J073544.83+663717.3, at a luminosity distance of 334…”
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