The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371

Mridweeka Singh; Kuntal Misra; Stefano Valenti; Griffin Hosseinzadeh; Andrea Pastorello; Shubham Srivastav; Anjasha Gangopadhyay; Raya Dastidar; Lina Tomasella; Iair Arcavi; Stefano Benetti; Emma Callis; Enrico Cappellaro; Nancy Elias-Rosa; D. Andrew Howell; Sang Chul Kim; Curtis McCully; Leonardo Tartaglia; Giacomo Terreran; Massimo Turatto

doi:10.3847/1538-4357/abdf5c

The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371

Mridweeka Singh^*, Kuntal Misra, Stefano Valenti, Griffin Hosseinzadeh, Andrea Pastorello, Shubham Srivastav, Anjasha Gangopadhyay^*, Raya Dastidar, Lina Tomasella, Iair Arcavi, Stefano Benetti, Emma Callis, Enrico Cappellaro, Nancy Elias-Rosa, D. Andrew Howell, Sang Chul Kim, Curtis McCully, Leonardo Tartaglia, Giacomo Terreran, Massimo Turatto

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

We present the detailed optical evolution of a Type Ib SN 2015dj in NGC 7371, using data spanning up to ∼170 days after discovery. SN 2015dj shares similarity in light-curve shape with SN 2007gr and peaks at M V = -17.37 0.02 mag. Analytical modeling of the quasi bolometric light curve yields 0.06 0.01 M o˙ of 56Ni, ejecta mass M o˙, and kinetic energy erg. The spectral features show a fast evolution and resemble those of spherically symmetric ejecta. The analysis of nebular phase spectral lines indicates a progenitor mass between 13-20 M o˙, suggesting a binary scenario.

Original language	English
Journal	Astrophysical Journal
Volume	909
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/abdf5c
State	Published - 10 Mar 2021

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Singh, M., Misra, K., Valenti, S., Hosseinzadeh, G., Pastorello, A., Srivastav, S., Gangopadhyay, A., Dastidar, R., Tomasella, L., Arcavi, I., Benetti, S., Callis, E., Cappellaro, E., Elias-Rosa, N., Howell, D. A., Kim, S. C., McCully, C., Tartaglia, L., Terreran, G., & Turatto, M. (2021). The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371. Astrophysical Journal, 909(2). https://doi.org/10.3847/1538-4357/abdf5c

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title = "The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371",

abstract = "We present the detailed optical evolution of a Type Ib SN 2015dj in NGC 7371, using data spanning up to ∼170 days after discovery. SN 2015dj shares similarity in light-curve shape with SN 2007gr and peaks at M V = -17.37 0.02 mag. Analytical modeling of the quasi bolometric light curve yields 0.06 0.01 M o˙ of 56Ni, ejecta mass M o˙, and kinetic energy erg. The spectral features show a fast evolution and resemble those of spherically symmetric ejecta. The analysis of nebular phase spectral lines indicates a progenitor mass between 13-20 M o˙, suggesting a binary scenario.",

author = "Mridweeka Singh and Kuntal Misra and Stefano Valenti and Griffin Hosseinzadeh and Andrea Pastorello and Shubham Srivastav and Anjasha Gangopadhyay and Raya Dastidar and Lina Tomasella and Iair Arcavi and Stefano Benetti and Emma Callis and Enrico Cappellaro and Nancy Elias-Rosa and Howell, {D. Andrew} and Kim, {Sang Chul} and Curtis McCully and Leonardo Tartaglia and Giacomo Terreran and Massimo Turatto",

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month = mar,

day = "10",

doi = "10.3847/1538-4357/abdf5c",

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journal = "Astrophysical Journal",

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Singh, M, Misra, K, Valenti, S, Hosseinzadeh, G, Pastorello, A, Srivastav, S, Gangopadhyay, A, Dastidar, R, Tomasella, L, Arcavi, I, Benetti, S, Callis, E, Cappellaro, E, Elias-Rosa, N, Howell, DA, Kim, SC, McCully, C, Tartaglia, L, Terreran, G & Turatto, M 2021, 'The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371', Astrophysical Journal, vol. 909, no. 2. https://doi.org/10.3847/1538-4357/abdf5c

TY - JOUR

T1 - The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371

AU - Singh, Mridweeka

AU - Misra, Kuntal

AU - Valenti, Stefano

AU - Hosseinzadeh, Griffin

AU - Pastorello, Andrea

AU - Srivastav, Shubham

AU - Gangopadhyay, Anjasha

AU - Dastidar, Raya

AU - Tomasella, Lina

AU - Arcavi, Iair

AU - Benetti, Stefano

AU - Callis, Emma

AU - Cappellaro, Enrico

AU - Elias-Rosa, Nancy

AU - Howell, D. Andrew

AU - Kim, Sang Chul

AU - McCully, Curtis

AU - Tartaglia, Leonardo

AU - Terreran, Giacomo

AU - Turatto, Massimo

PY - 2021/3/10

Y1 - 2021/3/10

N2 - We present the detailed optical evolution of a Type Ib SN 2015dj in NGC 7371, using data spanning up to ∼170 days after discovery. SN 2015dj shares similarity in light-curve shape with SN 2007gr and peaks at M V = -17.37 0.02 mag. Analytical modeling of the quasi bolometric light curve yields 0.06 0.01 M o˙ of 56Ni, ejecta mass M o˙, and kinetic energy erg. The spectral features show a fast evolution and resemble those of spherically symmetric ejecta. The analysis of nebular phase spectral lines indicates a progenitor mass between 13-20 M o˙, suggesting a binary scenario.

AB - We present the detailed optical evolution of a Type Ib SN 2015dj in NGC 7371, using data spanning up to ∼170 days after discovery. SN 2015dj shares similarity in light-curve shape with SN 2007gr and peaks at M V = -17.37 0.02 mag. Analytical modeling of the quasi bolometric light curve yields 0.06 0.01 M o˙ of 56Ni, ejecta mass M o˙, and kinetic energy erg. The spectral features show a fast evolution and resemble those of spherically symmetric ejecta. The analysis of nebular phase spectral lines indicates a progenitor mass between 13-20 M o˙, suggesting a binary scenario.

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SN - 0004-637X

VL - 909

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

ER -

The Fast-evolving Type Ib Supernova SN 2015dj in NGC 7371

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