Zobrazeno 1 - 10
of 3 439
pro vyhledávání: '"Leonard, A. C."'
Autor:
Shrestha, Manisha, DeSoto, Sabrina, Sand, David J., Williams, G. Grant, Hoffman, Jennifer L., Smith, Nathan, Smith, Paul S., Milne, Peter, McCall, Callum, Maund, Justyn R., Steele, Iain A, Wiersema, Klaas, Andrews, Jennifer E., Bilinski, Christopher, Anche, Ramya M., Bostroem, K. Azalee, Hosseinzadeh, Griffin, Pearson, Jeniveve, Leonard, Douglas C., Hsu, Brian, Dong, Yize, Hoang, Emily, Janzen, Daryl, Jencson, Jacob E., Jha, Saurabh W., Lundquist, M. J., Mehta, Darshana, Retamal, Nicolas Meza, Valenti, Stefano, Farah, Joseph, Howell, D. Andrew, McCully, Curtis, Newsome, Megan, Gonzalez, Estefania Padilla, Pellegrino, Craig, Terreran, Giacomo
We present multi-epoch optical spectropolarimetric and imaging polarimetric observations of the nearby Type II supernova (SN) 2023ixf discovered in M101 at a distance of 6.85 Mpc. The first imaging polarimetric observations were taken +2.33 days (600
Externí odkaz:
http://arxiv.org/abs/2410.08199
High-cadence surveys of the sky are revealing that a large fraction of red-supergiant (RSG) stars, which are progenitors of Type II-Plateau (II-P) supernovae (SNe), explode within circumstellar material (CSM). Such SNe II-P/CSM exhibit considerable d
Externí odkaz:
http://arxiv.org/abs/2409.13562
Publikováno v:
2024, ApJ 965 168
The deposition of energy and momentum by supernova explosions has been subject to numerous studies in the past few decades. However, while there has been some work that focused on the transition from the adiabatic to the radiative stage of a supernov
Externí odkaz:
http://arxiv.org/abs/2402.05796
Autor:
Matsumoto, Kosei, Hirashita, Hiroyuki, Nagamine, Kentaro, van der Giessen, Stefan, Romano, Leonard E. C., Relaño, Monica, De Looze, Ilse, Baes, Maarten, Nersesian, Angelos, Camps, Peter, Hou, Kuan-chou, Oku, Yuri
Publikováno v:
A&A 689, A79 (2024)
We aim to provide observational signatures of the dust size evolution in the ISM. In particular, we explore indicators of the polycyclic aromatic hydrocarbon (PAH) mass fraction ($q_{PAH}$), defined as the mass fraction of PAHs relative to total dust
Externí odkaz:
http://arxiv.org/abs/2402.02659
Autor:
Mauerhan, Jon C., Smith, Nathan, Williams, G. Grant, Smith, Paul S., Filippenko, Alexei V., Bilinski, Christopher, Zheng, WeiKang, Brink, Thomas G., Hoffman, Jennifer L., Leonard, Douglas C., Milne, Peter, Jeffers, Benjamin, Modak, Shaunak, Stegman, Samantha, Zhang, Keto D.
We present multiepoch spectropolarimetry of the superluminous interacting Type IIn supernova SN2017hcc, covering 16 to 391 days after explosion. In our first epoch we measure continuum polarization as high as 6%, making SN 2017hcc the most intrinsica
Externí odkaz:
http://arxiv.org/abs/2304.12368
Autor:
Bilinski, Christopher, Smith, Nathan, Williams, G. Grant, Smith, Paul S., Leonard, Douglas C., Hoffman, Jennifer L., Andrews, Jennifer, Milne, Peter
We present multi-epoch spectropolarimetry and spectra for a sample of 14 Type IIn supernovae (SNe IIn). We find that after correcting for likely interstellar polarization, SNe IIn commonly show intrinsic continuum polarization of 1--3% at the time of
Externí odkaz:
http://arxiv.org/abs/2304.13034
Autor:
Villafaña, Lizvette, Williams, Peter R., Treu, Tommaso, Brewer, Brendon J., Barth, Aaron J., U, Vivian, Bennert, Vardha N., Guo, Hengxiao, Bentz, Misty C., Canalizo, Gabriela, Filippenko, Alexei V., Gates, Elinor, Joner, Michael D., Malkan, Matthew A., Woo, Jong-Hak, Abolfathi, Bela, Bohn, Thomas, Bostroem, K. Azalee, Brandel, Andrew, Brink, Thomas G., Channa, Sanyum, Cosens, Maren, Donohue, Edward, Halevi, Goni, Hood, Carol E., Horst, J. Chuck, de Kouchkovsky, Maxime, Kuhn, Benjamin, Leonard, Douglas C., Michel, Raul, Olaes, Melanie Kae B., Park, Daeseong, Runco, Jordan N., Sexton, Remington O., Shivvers, Isaac, Spencer, Chance L., Stahl, Benjamin E., Stegman, Samantha, Walsh, Jonelle L., Zheng, WeiKang
We combine our dynamical modeling black hole mass measurements from the Lick AGN Monitoring Project 2016 sample with measured cross-correlation time lags and line widths to recover individual scale factors, f, used in traditional reverberation mappin
Externí odkaz:
http://arxiv.org/abs/2304.06764
This work is motivated by the need to accurately model a vector of responses related to pediatric functional status using administrative health data from inpatient rehabilitation visits. The components of the responses have known and structured inter
Externí odkaz:
http://arxiv.org/abs/2302.11098
Autor:
Shaebani, M. Reza, Gimenez-Ribes, Gerard, Zondervan, Sybren, Sagis, Leonard M. C., van der Linden, Erik, Habibi, Mehdi
Macroscale chains have been proposed to give insight into the physics of molecular polymer systems. Nevertheless, understanding the rheological response of systems of quasi-one-dimensional semiflexible materials, such as bead-chain packings, is curre
Externí odkaz:
http://arxiv.org/abs/2208.13516
Autor:
Villafaña, Lizvette, Williams, Peter R., Treu, Tommaso, Brewer, Brendon J., Barth, Aaron J., U, Vivian, Bennert, Vardha N., Vogler, H. Alexander, Guo, Hengxiao, Bentz, Misty C., Canalizo, Gabriela, Filippenko, Alexei V., Gates, Elinor, Hamann, Frederick, Joner, Michael D., Malkan, Matthew A., Woo, Jong-Hak, Abolfathi, Bela, Abramson, L. E., Armen, Stephen F., Bae, Hyun-Jin, Bohn, Thomas, Boizelle, Benjamin D., Bostroem, Azalee, Brandel, Andrew, Brink, Thomas G., Channa, Sanyum, Cooper, M. C., Cosens, Maren, Donohue, Edward, Fillingham, Sean P., Gonzalez-Buitrago, Diego, Halevi, Goni, Halle, Andrew, Hood, Carol E., Horne, Keith, Horst, J. Chuck, de Kouchkovsky, Maxime, Kuhn, Benjamin, Kumar, Sahana, Leonard, Douglas C., Loveland, Donald, Manzano-King, Christina, McHardy, Ian, Michel, Raul, Olaes, Melanie Kae B., Park, Daeseong, Park, Songyoun, Pei, Liuyi, Ross, Timothy W., Runco, Jordan N., Samuel, Jenna, Sanchez, Javier, Scott, Bryan, Sexton, Remington O., Shin, Jaejin, Shivvers, Isaac, Spencer, Chance L., Stahl, Benjamin E., Stegman, Samantha, Stomberg, Isak, Valenti, Stefano, Walsh, Jonelle L., Yuk, Heechan, Zheng, WeiKang
We have modeled the velocity-resolved reverberation response of the H\b{eta} broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitioring Project 2016 sample, drawing inferences on the geometry and structure
Externí odkaz:
http://arxiv.org/abs/2203.15000