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Browsing by Author "Bostroem, K. A"

Browsing by Author "Bostroem, K. A"

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  • Discovery and rapid follow-up observations of the unusual type II SN 2018ivc in NGC 1068 
    Bostroem, K. A; Valenti, S; Sand, D. J; Andrews, J. E; Van Dyk, S. D; Galbany, L; Pooley, D; Amaro, R. C; Smith, N; Yang, S; Anupama, G. C; Arcavi, I; Baron, E; Brown, P. J; Burke, J; Cartier, R; Hiramatsu, D; Dastidar, R; DerKacy, J. M; Dong, Y; Egami, E; Ertel, S; Filippenko, A. V; Fox, O. D; Haislip, J; Hosseinzadeh, G; Howell, D. A; Gangopadhyay, A; Jha, S. W; Kouprianov, V; Kumar, B; Lundquist, M; Milisavljevic, D; McCully, C; Milne, P; Misra, K; Reichart, D. E; Sahu, D. K; Sai, H; Singh, A; Smith, P. S; Vinko, J; Wang, X; Wang, Y; Wheeler, J. C; Williams, G. G; Wyatt, S; Zhang, J; Zhang, X (IOP Publishing, 2020-05-20)
    We present the discovery and high-cadence follow-up observations of SN 2018ivc, an unusual SNe II that exploded in NGC 1068 (D = 10.1 Mpc). The light curve of SN 2018ivc declines piecewise-linearly, changing slope ...
  • SN 2018is: a low-luminosity type IIP supernova with narrow hydrogen emission lines at early phases 
    Dastidar, R; Misra, K; Valenti, S; Sand, D. J; Pastorello, A; Reguitti, A; Pignata, G; Benetti, S; Bose, S; Gangopadhyay, A; Singh, Mridweeka; Tomasella, L; Andrews, J. E; Arcavi, I; Ashall, C; Bilinski, C; Bostroem, K. A; Buckley, D A. H; Cannizzaro, G; Chomiuk, L; Congiu, E; Dong, S; Dong, Y; Elias-Rosa, N; Fraser, M; Gall, C; Gromadzki, M; Hiramatsu, D; Hosseinzadeh, G; Howell, D. A; Hsiao, E. Y; McCully, C; Smith, N; Strader, J (EDP Sciences, 2025-02)
    We present a comprehensive photometric and spectroscopic study of the Type IIP supernova (SN) 2018is. The V band luminosity and the expansion velocity at 50 days post-explosion are −15.1 ± 0.2 mag (corrected for AV = 1.34 ...
  • SN 2021tsz: A luminous, short photospheric phase Type II supernova in a low-metallicity host 
    Dastidar, R; Pignata, G; Dukiya, N; Misra, K; Howell, D. A; Singh, Mridweeka; Gutierrez, C. P; Pellegrino, C; Kumar, A; Ayala, B; Gangopadhyay, A; Newsome, M; Padilla Gonzalez, E; Bostroem, K. A; Hiramatsu, D; Terreran, G; McCully, C (EDP Sciences, 2025-11)
    We present the analysis of the luminous Type II Supernova (SN) 2021tsz, which exploded in a low-luminosity galaxy. It reached a peak magnitude of −18.88 ± 0.13 mag in the r band and exhibited an initial rapid decline of ...

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