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dc.contributor.authorSingh, M-
dc.contributor.authorMisra, K-
dc.contributor.authorSahu, D. K-
dc.contributor.authorDastidar, R-
dc.contributor.authorGangopadhyay, A-
dc.contributor.authorSrivastav, S-
dc.contributor.authorAnupama, G. C-
dc.contributor.authorBose, S-
dc.contributor.authorLipunov, V-
dc.contributor.authorChakradhari, N. K-
dc.contributor.authorBrajesh Kumar-
dc.contributor.authorPandey, S. B-
dc.contributor.authorGorbovskoy, E-
dc.contributor.authorBalanutsa, P-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, Vol. 485, No. 4, pp. 5438–5452en_US
dc.descriptionRestricted Accessen_US
dc.description.abstractMASTER OT J120451.50+265946.6 (M12045), discovered by the MASTER Global Robotic Net, is a Type Ib supernova (SN) that exploded in NGC 4080. We present the BVRI photometric and spectroscopic observations up to ∼250 d since Bmax. At the time of discovery the SN was a few weeks past maximum light and our observations capture the linearly declining light-curve phase. M12045 declines faster as compared to SNe 1999dn and 2009jf at comparable epochs. Rigorous spectroscopic monitoring reveals that M12045 is a normal Type Ib SN. The analysis of the nebular phase spectra indicates that ∼0.90 M⊙ of O is ejected in the explosion. The line ratio of [O i] and [Ca ii] in the nebular phase supports a massive WR progenitor with main-sequence mass of ∼20 M⊙.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: spectroscopicen_US
dc.subjectSupernovae: generalen_US
dc.subjectSupernovae: individualen_US
dc.subjectMASTER OT J120451.50+265946.6 (M12045)en_US
dc.subjectGalaxies: individual: NGC 4080en_US
dc.titleObservational properties of a type Ib supernova MASTER OT J120451.50+265946.6 in NGC 4080en_US
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