SIMBAD references

2019MNRAS.485.5438S - Mon. Not. R. Astron. Soc., 485, 5438-5452 (2019/June-1)

Observational properties of a Type Ib supernova MASTER OT J120451.50+265946.6 in NGC 4080.

SINGH M., MISRA K., SAHU D.K., DASTIDAR R., GANGOPADHYAY A., SRIVASTAV S., ANUPAMA G.C., BOSE S., LIPUNOV V., CHAKRADHARI N.K., KUMAR B., KUMAR B., PANDEY S.B., GORBOVSKOY E. and BALANUTSA P.

Abstract (from CDS):

MASTER 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☉.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: photometric - techniques: spectroscopic - supernovae: general - supernovae: individual: MASTER OT J120451.50+265946.6 (M12045) - galaxies: individual: NGC 4080

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 18

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