Zobrazeno 11 - 20
of 521
pro vyhledávání: '"Zheng, WeiKang"'
Autor:
Xi, Gaobo, Wang, Xiaofeng, Li, Gaici, Liu, Jialian, Yan, Shengyu, Lin, Weili, Zhao, Jieming, Filippenko, Alexei V., Zheng, Weikang, Brink, Thomas G., Yang, Y., Ehgamberdiev, Shuhrat A., Mirzaqulov, Davron, Reguitti, Andrea, Pastorello, Andrea, Tomasella, Lina, Cai, Yongzhi, Zhang, Jujia, Li, Zhitong, Zhang, Tianmeng, Chen, Zhihao, Liu, Qichun, Ma, Xiaoran, Xiang, Danfeng
We present extensive photometric and spectroscopic observations of a peculiar type Ia supernova (SN Ia) 2022vqz. It shares many similarities with the SN 2002es-like SNe Ia, such as low luminosity (i.e., $M_{B,\rm max}=-18.11\pm0.16$ mag) and moderate
Externí odkaz:
http://arxiv.org/abs/2309.09213
Autor:
Liu, Jialian, Wang, Xiaofeng, Filippenko, Alexei V., Brink, Thomas G., Yang, Yi, Zheng, Weikang, Sai, Hanna, Xi, Gaobo, Yan, Shengyu, Elias-Rosa, Nancy, Li, Wenxiong, Zeng, Xiangyun, Iskandar, Abdusamatjan
Late-time spectra of Type Ia supernovae (SNe Ia) are important in clarifying the physics of their explosions, as they provide key clues to the inner structure of the exploding white dwarfs. We examined late-time optical spectra of 36 SNe Ia, includin
Externí odkaz:
http://arxiv.org/abs/2309.05538
Autor:
Van Dyk, Schuyler D., Srinivasan, Sundar, Andrews, Jennifer E., Soraisam, Monika, Szalai, Tamas, Howell, Steve B., Isaacson, Howard, Matheson, Thomas, Petigura, Erik, Scicluna, Peter, Stephens, Andrew W., Van Zandt, Judah, Zheng, WeiKang, Chun, Sang-Hyun, Filippenko, Alexei V.
We follow our first paper with an analysis of the ensemble of the extensive pre-explosion ground- and space-based infrared observations of the red supergiant (RSG) progenitor candidate for the nearby core-collapse supernova SN 2023ixf in Messier 101,
Externí odkaz:
http://arxiv.org/abs/2308.14844
Autor:
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, Newman, Max J. Brenner, 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, Gonzalez, Estefania Padilla, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Saux, Xavier K. Le, 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
Nebular-phase observations of peculiar Type Ia supernovae (SNe Ia) provide important constraints on progenitor scenarios and explosion dynamics for both these rare SNe and the more common, cosmologically useful SNe Ia. We present observations from an
Externí odkaz:
http://arxiv.org/abs/2308.12449
Autor:
Kwok, Lindsey A., Siebert, Matthew R., Johansson, Joel, Jha, Saurabh W., Blondin, Stephane, Dessart, Luc, Foley, Ryan J., Hillier, D. John, Larison, Conor, Pakmor, Ruediger, Temim, Tea, Andrews, Jennifer E., Auchettl, Katie, Badenes, Carles, Barna, Barnabas, Bostroem, K. Azalee, Newman, Max J. Brenner, Brink, Thomas G., Bustamante-Rosell, Maria Jose, Camacho-Neves, Yssavo, Clocchiatti, Alejandro, Coulter, David A., Davis, Kyle W., Deckers, Maxime, Dimitriadis, Georgios, Dong, Yize, Farah, Joseph, Filippenko, Alexei V., Flors, Andreas, Fox, Ori D., Garnavich, Peter, Gonzalez, Estefania Padilla, Graur, Or, Hambsch, Franz-Josef, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Kerzendorf, Wolfgang E., Saux, Xavier K. Le, 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, Cesar, Sand, David J., Schwab, Michaela, Shahbandeh, Melissa, Shrestha, Manisha, Smith, Nathan, Strolger, Louis-Gregory, Szalai, Tamas, Taggart, Kirsty, Terreran, Giacomo, Terwel, Jacco H., Tinyanont, Samaporn, Valenti, Stefano, Vinko, Jozsef, Wheeler, J. Craig, Yang, Yi, Zheng, WeiKang, Ashall, Chris, DerKacy, James M., Galbany, Lluis, Hoeflich, Peter, de Jaeger, Thomas, Lu, Jing, Maund, Justyn, Medler, Kyle, Morrell, Nidia, Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Tucker, Michael, Wang, Lifan
Publikováno v:
The Astrophysical Journal, Volume 966, Issue 1, id.135, 18 pp., May 2024
We present an analysis of ground-based and JWST observations of SN~2022pul, a peculiar "03fg-like" (or "super-Chandrasekhar") Type Ia supernova (SN Ia), in the nebular phase at 338d post explosion. Our combined spectrum continuously covers 0.4--14 $\
Externí odkaz:
http://arxiv.org/abs/2308.12450
Autor:
Liu, Chang, Miller, Adam A., Boos, Samuel J., Shen, Ken J., Townsley, Dean M., Schulze, Steve, Harvey, Luke, Maguire, Kate, Johansson, Joel, Brink, Thomas G., Burgaz, Umut, Dimitriadis, Georgios, Filippenko, Alexei V., Hall, Saarah, Hinds, K-Ryan, Hoffman, Andrew, Karambelkar, Viraj, Kilpatrick, Charles D., Perley, Daniel, Pichay, Neil, Sears, Huei, Sollerman, Jesper, Stein, Robert, Terwel, Jacobus H., Zheng, WeiKang, Graham, Matthew J., Kasliwal, Mansi M., Lacroix, Leander, Purdum, Josiah, Rusholme, Benjamin, Wold, Avery
We present observations of SN 2022joj, a peculiar Type Ia supernova (SN Ia) discovered by the Zwicky Transient Facility (ZTF). SN 2022joj exhibits an unusually red $g_\mathrm{ZTF}-r_\mathrm{ZTF}$ color at early times and a rapid blueward evolution af
Externí odkaz:
http://arxiv.org/abs/2308.06319
Autor:
Dhungana, Govinda, Kehoe, Robert, Staten, Ryan, Vinko, Jozsef, Wheeler, J. Craig, Akerlof, Carl W., Doss, David, Farrente, Farley V., Gibson, Coyne A., Lasker, James, Marion, G. H., Pandey, Shashi Bhushan, Quimby, Robert, Rykoff, Eli, Smith, Donald A., Yuan, Fang, Zheng, WeiKang
We present cosmological analysis of 12 nearby ($z<0.06$) Type IIP supernovae (SNe IIP) observed with the ROTSE-IIIb telescope. To achieve precise photometry, we present a new image differencing technique that is implemented for the first time on the
Externí odkaz:
http://arxiv.org/abs/2308.00916
Autor:
Clark, Peter, Graur, Or, Callow, Joseph, Aguilar, Jessica, Ahlen, Steven, Anderson, Joseph P., Berger, Edo, Brink, Thomas, Brooks, David, Chen, Ting-Wan, Claybaugh, Todd, de la Macorra, Axel, Doel, Peter, Filippenko, Alexei, Forero-Romero, Jamie, Gomez, Sebastian, Gromadzki, Mariusz, Honscheid, Klaus, Inserra, Cosimo, Kisner, Theodore, Landriau, Martin, Makrygianni, Lydia, Manera, Marc, Meisner, Aaron, Miquel, Ramon, Moustakas, John, Müller-Bravo, Tomás E., Nicholl, Matt, Nie, Jundan, Onori, Francesca, Palmese, Antonella, Poppett, Claire, Reynolds, Thomas, Rezaie, Mehdi, Rossi, Graziano, Sanchez, Eusebio, Schubnell, Michael, Tarlé, Gregory, Weaver, Benjamin A., Wevers, Thomas, Young, David R., Zheng, WeiKang, Zhou, Zhimin
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 528, Issue 4, March 2024, Pages 7076-7102
We present new spectroscopic and photometric follow-up observations of the known sample of extreme coronal line emitting galaxies (ECLEs) identified in the Sloan Digital Sky Survey (SDSS). With these new data, observations of the ECLE sample now span
Externí odkaz:
http://arxiv.org/abs/2307.03182
Autor:
Vasylyev, Sergiy S., Yang, Yi, Filippenko, Alexei V., Patra, Kishore, Brink, Thomas G., Wang, Lifan, Chornock, Ryan, Margutti, Rafaella, Gates, Elinor L., Burgasser, Adam J., Karpoor, Preethi R., LeBaron, Natalie, Softich, Emma, Theissen, Christopher A., Wiston, Eli, Zheng, WeiKang
We present six epochs of optical spectropolarimetry of the Type II supernova (SN) 2023ixf ranging from $\sim$ 2 to 15 days after the explosion. Polarimetry was obtained with the Kast double spectrograph on the Shane 3 m telescope at Lick Observatory,
Externí odkaz:
http://arxiv.org/abs/2307.01268
Autor:
El-Badry, Kareem, Shen, Ken J., Chandra, Vedant, Bauer, Evan, Fuller, Jim, Strader, Jay, Chomiuk, Laura, Naidu, Rohan, Caiazzo, Ilaria, Rodriguez, Antonio C., Nagarajan, Pranav, Yamaguchi, Natsuko, Vanderbosch, Zachary P., Roulston, Benjamin R., van Roestel, Jan, Gänsicke, Boris, Han, Jiwon Jesse, Burdge, Kevin B., Filippenko, Alexei V., Brink, Thomas G., Zheng, WeiKang
We report a spectroscopic search for hypervelocity white dwarfs (WDs) that are runaways from Type Ia supernovae (SNe Ia) and related thermonuclear explosions. Candidates are selected from Gaia data with high tangential velocities and blue colors. We
Externí odkaz:
http://arxiv.org/abs/2306.03914