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dc.contributor.authorDastidar, R-
dc.contributor.authorMisra, K-
dc.contributor.authorSingh, M-
dc.contributor.authorSahu, D. K-
dc.contributor.authorPastorello, A-
dc.contributor.authorGangopadhyay, A-
dc.contributor.authorTomasella, L-
dc.contributor.authorBenetti, S-
dc.contributor.authorTerreran, G-
dc.contributor.authorSanwal, Pankaj-
dc.contributor.authorKumar, B-
dc.contributor.authorSingh, A-
dc.contributor.authorBrajesh Kumar-
dc.contributor.authorAnupama, G. C-
dc.contributor.authorPandey, S. B-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, Vol. 486, No. 2, pp. 2850–2872en_US
dc.descriptionRestricted Accessen_US
dc.description.abstractWe present photometry, polarimetry, and spectroscopy of the Type II supernova ASASSN-16ab/SN 2016B in PGC 037392. The photometric and spectroscopic follow-up commenced about 2 weeks after shock breakout and continued until nearly 6 months. The light curve of SN 2016B exhibits intermediate properties between those of Type IIP and IIL. The early decline is steep (1.68 ± 0.10 mag 100 d−1), followed by a shallower plateau phase (0.47 ± 0.24 mag 100 d−1). The optically thick phase lasts for 118 d, similar to Type IIP. The 56Ni mass estimated from the radioactive tail of the bolometric light curve is 0.082 ± 0.019 M⊙. High-velocity component contributing to the absorption trough of H α and H β in the photospheric spectra are identified from the spectral modelling from about 57–97 d after the outburst, suggesting a possible SN ejecta and circumstellar material interaction. Such high-velocity features are common in the spectra of Type IIL supernovae. By modelling the true bolometric light curve of SN 2016B, we estimated a total ejected mass of ∼15 M⊙, kinetic energy of ∼1.4 foe, and an initial radius of ∼400 R⊙.en_US
dc.publisherOxford University Press on behalf of the Royal Astronomical Societyen_US
dc.rights© Royal Astronomical Society-
dc.subjectTechniques: photometricen_US
dc.subjectTechniques: polarimetricen_US
dc.subjectTechniques: spectroscopicen_US
dc.subjectSupernovae: generalen_US
dc.subjectSupernovae: individual ASASSN-16ab/SN 2016Ben_US
dc.subjectGalaxies: individual: PGC 037392en_US
dc.titleSN 2016B a.k.a. ASASSN-16ab: a transitional Type II supernovaen_US
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