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Browsing by Author "Smith, Nathan"

Browsing by Author "Smith, Nathan"

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  • A multiwavelength autopsy of the interacting type IIn supernova 2020ywx: tracing its progenitor mass-loss history for 100 yr before death 
    Baer-Way, Raphael; Chandra, Poonam; Modjaz, Maryam; Kumar, Sahana; Pellegrino, Craig; Chevalier, Roger; Crawford, Adrian; Sarangi, A; Smith, Nathan; Maeda, Keiichi; Nayana, A. J; Filippenko, Alexei V; Andrews, Jennifer E; Arcavi, Iair; Bostroem, K. Azalee; Brink, Thomas G; Dong, Yize; Dwarkadas, Vikram; Farah, Joseph R; Howell, D. Andrew; Hiramatsu, Daichi; Hosseinzadeh, Griffin; McCully, Curtis; Meza, Nicolas; Newsome, Megan; Gonzalez, Estefania Padilla; Pearson, Jeniveve; Sand, David J; Shrestha, Manisha; Terreran, Giacomo; Valenti, Stefano; Wyatt, Samuel; Yang, Yi; Zheng, WeiKang (American Astronomical Society, 2025-04-20)
    While the subclass of interacting supernovae (SNe) with narrow hydrogen emission lines (Type IIn supernovae (SNe IIn)) consists of some of the longest-lasting and brightest supernovae (SNe) ever discovered, their progenitors ...
  • Observational Signature of Circumstellar Interaction and 56Ni-mixing in the Type II Supernova 2016gfy 
    Singh, A; Brajesh Kumar; Moriya, Takashi J; Anupama, G. C; Sahu, D. K; Brown, Peter J; Andrews, Jennifer E; Smith, Nathan (IOP Publishing, 2019-09-01)
    The optical and ultraviolet broadband photometric and spectroscopic observations of the Type II supernova (SN) 2016gfy are presented. The V-band light curve (LC) shows a distinct plateau phase with a slope of s2 ∼ 0.12 mag ...
  • SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries 
    Andrews, Jennifer E.; Sand, D. J.; Valenti, S.; Smith, Nathan; Dastidar, Raya; Sahu, D. K; Misra, Kuntal; Singh, A; Hiramatsu, D; Brown, P. J.; Hosseinzadeh, G.; Wyatt, S.; Vinko, J.; Anupama, G. C; & 62 Co-authors (IOP Publishing, 2019-12)
    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 fi rst 180 days. SN 2017gmr does not show signs of narrow, ...
  • SPIRITS: Uncovering Unusual Infrared Transients with Spitzer 
    Kasliwal, M. M; Bally, J; Masci, F; Cody, Ann Marie; Bond, H. E; Jencson, Jacob E; Tinyanont, S; Cao, Y; Contreras, C; Dykhoff, Devin A; Amodeo, Samuel; Armus, L; Boyer, Martha; Cantiello, Matteo; Carlon, Robert L; Cass, Alexander C; Cook, David; Corgan, David T; Faella, Joseph; Fox, O. D; Green, Wayne; Gehrz, R. D; Helou, G; Hsiao, Eric; Johansson, J; Khan, Rubab M; Lau, Ryan M; Langer, Norbert; Levesque, Emily; Milne, Peter; Mohamed, Shazrene; Morrell, N; Monson, Andy; Moore, Anna; Ofek, E. O; O' Sullivan, Donal; Parthasarathy, M; Perez, Andres; Perley, D. A; Phillips, Mark; Prince, Thomas A; Shenoy, Dinesh; Smith, Nathan; Surace, J; Van Dyk, Schuyler D; Whitelock, P. A; Williams, Robert (IOP Publishing, 2017-04-20)
    We present an ongoing, five-year systematic search for extragalactic infrared transients, dubbed SPIRITS—SPitzer InfraRed Intensive Transients Survey. In the first year, using Spitzer/IRAC, we searched 190 nearby galaxies ...

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