Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Rebbapragada, Umaa D."'
Autor:
Blagorodnova, Nadejda, Karambelkar, Viraj, Adams, Scott M., Kasliwal, Mansi M., Kochanek, Christopher S., Dong, Subo, Campbell, Heather, Hodgkin, Simon, Jencson, Jacob E., Johansson, Joel, Kozlowski, Szymon, Laher, Russ R., Masci, Frank, Nugent, Peter, Rebbapragada, Umaa D.
M31-2015-LRN is a likely stellar merger discovered in the Andromeda Galaxy in 2015. We present new optical to mid-infrared photometry and optical spectroscopy for this event. Archival data shows that the source started to brighten $\sim$2 years befor
Externí odkaz:
http://arxiv.org/abs/2004.04757
Autor:
De, Kishalay, Kasliwal, Mansi M., Cantwell, Therese, Cao, Yi, Cenko, S. Bradley, Gal-Yam, Avishay, Johansson, Joel, Kong, Albert, Kulkarni, Shrinivas R., Lunnan, Ragnhild, Masci, Frank, Matuszewski, Matt, Mooley, Kunal P., Neill, James D., Nugent, Peter E., Ofek, Eran O., Perrott, Yvette, Rebbapragada, Umaa D., Rubin, Adam, Sullivan, Donal O', Yaron, Ofer
Calcium rich gap transients represent an intriguing new class of faint and fast evolving supernovae that exhibit strong [Ca II] emission in their nebular phase spectra. In this paper, we present the discovery and follow-up observations of iPTF 16hgs
Externí odkaz:
http://arxiv.org/abs/1806.10623
Autor:
Vreeswijk, Paul M., Leloudas, Giorgos, Gal-Yam, Avishay, De Cia, Annalisa, Perley, Daniel A., Quimby, Robert M., Waldman, Roni, Sullivan, Mark, Yan, Lin, Ofek, Eran O., Fremling, Christoffer, Taddia, Francesco, Sollerman, Jesper, Valenti, Stefano, Arcavi, Iair, Howell, D. Andrew, Filippenko, Alexei V., Cenko, S. Bradley, Yaron, Ofer, Kasliwal, Mansi M., Cao, Yi, Ben-Ami, Sagi, Horesh, Assaf, Rubin, Adam, Lunnan, Ragnhild, Nugent, Peter E., Laher, Russ, Rebbapragada, Umaa D., Woźniak, Przemysław, Kulkarni, Shrinivas R.
We present the light curves of the hydrogen-poor superluminous supernovae (SLSNe-I) PTF12dam and iPTF13dcc, discovered by the (intermediate) Palomar Transient Factory. Both show excess emission at early times and a slowly declining light curve at lat
Externí odkaz:
http://arxiv.org/abs/1609.08145
Autor:
Tartaglia, L., Pastorello, A., Sullivan, M., Baltay, C., Rabinowitz, D., Nugent, P., Drake, A. J., Djorgovski, S. G., Gal-Yam, A., Fabrika, S., Barsukova, E. A., Goranskij, V. P., Valeev, A. F., Fatkhullin, T., Schulze, S., Mehner, A., Bauer, F. E., Taubenberger, S., Nordin, J., Valenti, S., Howell, D. A., Benetti, S., Cappellaro, E., Fasano, G., Elias-Rosa, N., Barbieri, M., Bettoni, D., Harutyunyan, A., Kangas, T., Kankare, E., Martin, J. C., Mattila, S., Morales-Garoffolo, A., Ochner, P., Rebbapragada, Umaa D., Terreran, G., Tomasella, L., Turatto, M., Verroi, E., Woźniak, P. R.
We report photometric and spectroscopic observations of the optical transient LSQ13zm. Historical data reveal the presence of an eruptive episode (that we label as `2013a') followed by a much brighter outburst (`2013b') three weeks later, that we arg
Externí odkaz:
http://arxiv.org/abs/1604.00013
Autor:
Rubin, Adam, Gal-Yam, Avishay, De Cia, Annalisa, Horesh, Assaf, Khazov, Danny, Ofek, Eran O., Kulkarni, S. R., Arcavi, Iair, Manulis, Ilan, Yaron, Ofer, Vreeswijk, Paul, Kasliwal, Mansi M., Ben-Ami, Sagi, Perley, Daniel A., Cao, Yi, Cenko, S. Bradley, Rebbapragada, Umaa D., Woźniak, P. R., Filippenko, Alexei V., Clubb, K. I., Nugent, Peter E., Pan, Y. -C., Badenes, C., Howell, D. Andrew, Valenti, Stefano, Sand, David, Sollerman, J., Johansson, Joel, Leonard, Douglas C., Horst, J. Chuck, Armen, Stephen F., Fedrow, Joseph M., Quimby, Robert M., Mazzali, Paulo, Pian, Elena, Sternberg, Assaf, Matheson, Thomas, Sullivan, M., Maguire, K., Lazarevic, Sanja
During the first few days after explosion, Type II supernovae (SNe) are dominated by relatively simple physics. Theoretical predictions regarding early-time SN light curves in the ultraviolet (UV) and optical bands are thus quite robust. We present,
Externí odkaz:
http://arxiv.org/abs/1512.00733
Autor:
Yan, Lin, Quimby, R., Ofek, E., Gal-Yam, A., Mazzali, P., Perley, D., Vreeswijk, P., Leloudas, G., de Cia, A., Masci, F., Cenko, S. B., Cao, Y., Kulkarni, S. R., Nugent, P. E., Rebbapragada, Umaa D., Woźniak, P. R., Yaron, O.
iPTF13ehe is a hydrogen-poor superluminous supernova (SLSN) at z=0.3434, with a slow-evolving light curve and spectral features similar to SN2007bi. It rises within (83-148)days (rest-frame) to reach a peak bolometric luminosity of 1.3x$10^{44}$erg/s
Externí odkaz:
http://arxiv.org/abs/1508.04420
Autor:
Cao, Yi, Kulkarni, S. R., Howell, D. Andrew, Gal-Yam, Avishay, Kasliwal, Mansi M., Valenti, Stefano, Johansson, J., Amanullah, R., Goobar, A., Sollerman, J., Taddia, F., Horesh, Assaf, Sagiv, Ilan, Cenko, S. Bradley, Nugent, Peter E., Arcavi, Iair, Surace, Jason, Woźniak, P. R., Moody, Daniela I., Rebbapragada, Umaa D., Bue, Brian D., Gehrels, Neil
Type Ia supernovae are destructive explosions of carbon oxygen white dwarfs. Although they are used empirically to measure cosmological distances, the nature of their progenitors remains mysterious, One of the leading progenitor models, called the si
Externí odkaz:
http://arxiv.org/abs/1505.05158
Autor:
Singer, Leo P., Kasliwal, Mansi M., Cenko, S. Bradley, Perley, Daniel A., Anderson, Gemma E., Anupama, G. C., Arcavi, Iair, Bhalerao, Varun, Bue, Brian D., Cao, Yi, Connaughton, Valerie, Corsi, Alessandra, Cucchiara, Antonino, Fender, Rob P., Fox, Derek B., Gehrels, Neil, Goldstein, Adam, Gorosabel, J., Horesh, Assaf, Hurley, Kevin, Johansson, Joel, Kann, D. A., Kouveliotou, Chryssa, Huang, Kuiyun, Kulkarni, S. R., Masci, Frank, Nugent, Peter, Rau, Arne, Rebbapragada, Umaa D., Staley, Tim D., Svinkin, Dmitry, Thöne, C. C., Postigo, A. de Ugarte, Urata, Yuji, Weinstein, Alan
Publikováno v:
2015 ApJ 806 52
The Fermi Gamma-ray Space Telescope has greatly expanded the number and energy window of observations of gamma-ray bursts (GRBs). However, the coarse localizations of tens to a hundred square degrees provided by the Fermi GRB Monitor instrument have
Externí odkaz:
http://arxiv.org/abs/1501.00495
Autor:
Masci, Frank J., Laher, Russ R., Rebbapragada, Umaa D., Doran, Gary B., Miller, Adam A., Bellm, Eric, Kasliwal, Mansi, Ofek, Eran O., Surace, Jason, Shupe, David L., Grillmair, Carl J., Jackson, Ed, Barlow, Tom, Yan, Lin, Cao, Yi, Cenko, S. Bradley, Storrie-Lombardi, Lisa J., Helou, George, Prince, Thomas A., Kulkarni, Shrinivas R.
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2017 Jan 01. 129(971), 1-48.
Externí odkaz:
https://www.jstor.org/stable/26660040
Akademický článek
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