SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class

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https://doi.org/10.1093/mnras/staa3543
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SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class. / Barna, Barnabas; Szalai, Tamas; Jha, Saurabh W. et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 501, No. 1, 13.11.2020, p. 1078-1099.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Barna, B, Szalai, T, Jha, SW, Camacho-Neves, Y, Kwok, L, Foley, RJ, Kilpatrick, CD, Coulter, DA, Dimitriadis, G, Rest, A, Rojas-Bravo, C, Siebert, MR, Brown, PJ, Burke, J, Gonzalez, EP, Hiramatsu, D, Howell, DA, McCully, C, Pellegrino, C, Dobson, M, Smartt, SJ, Swift, JJ, Stacey, H, Rahman, M, Sand, DJ, Andrews, J, Wyatt, S, Hsiao, EY, Anderson, JP, Chen, T-W, Della Valle, M, Galbany, L, Gromadzki, M, Inserra, C, Lyman, J, Magee, M, Maguire, K, Mueller-Bravo, TE, Nicholl, M, Srivastav, S & Williams, SC 2020, 'SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class', Monthly Notices of the Royal Astronomical Society, vol. 501, no. 1, pp. 1078-1099. https://doi.org/10.1093/mnras/staa3543

APA

Barna, B., Szalai, T., Jha, S. W., Camacho-Neves, Y., Kwok, L., Foley, R. J., Kilpatrick, C. D., Coulter, D. A., Dimitriadis, G., Rest, A., Rojas-Bravo, C., Siebert, M. R., Brown, P. J., Burke, J., Gonzalez, E. P., Hiramatsu, D., Howell, D. A., McCully, C., Pellegrino, C., ... Williams, S. C. (2020). SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class. Monthly Notices of the Royal Astronomical Society, 501(1), 1078-1099. https://doi.org/10.1093/mnras/staa3543

Vancouver

Barna B, Szalai T, Jha SW, Camacho-Neves Y, Kwok L, Foley RJ et al. SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class. Monthly Notices of the Royal Astronomical Society. 2020 Nov 13;501(1):1078-1099. doi: 10.1093/mnras/staa3543

Author

Barna, Barnabas ; Szalai, Tamas ; Jha, Saurabh W. et al. / SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 501, No. 1. pp. 1078-1099.

Bibtex

@article{d8aeef67c3174e70a303f0e88a8134b4,

title = "SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class",

abstract = "We present early-time (t < +50 d) observations of SN 2019muj (=ASASSN-19tr), one of the best-observed members of the peculiar SN Iax class. Ultraviolet and optical photometric and optical and near-infrared spectroscopic follow-up started from ∼5 d before maximum light [tmax(B) on $58707.8$ MJD] and covers the photospheric phase. The early observations allow us to estimate the physical properties of the ejecta and characterize the possible divergence from a uniform chemical abundance structure. The estimated bolometric light-curve peaks at 1.05 × 1042 erg s-1 and indicates that only 0.031 M of 56Ni was produced, making SN 2019muj a moderate luminosity object in the Iax class with peak absolute magnitude of $M_\rm {V} = -16.4$ mag. The estimated date of explosion is t0 = $58698.2$ MJD and implies a short rise time of trise = 9.6 d in B band. We fit of the spectroscopic data by synthetic spectra, calculated via the radiative transfer code tardis. Adopting the partially stratified abundance template based on brighter SNe Iax provides a good match with SN 2019muj. However, without earlier spectra, the need for stratification cannot be stated in most of the elements, except carbon, which is allowed to appear in the outer layers only. SN 2019muj provides a unique opportunity to link extremely low-luminosity SNe Iax to well-studied, brighter SNe Iax.",

author = "Barnabas Barna and Tamas Szalai and Jha, {Saurabh W.} and Yssavo Camacho-Neves and Lindsey Kwok and Foley, {Ryan J.} and Kilpatrick, {Charles D.} and Coulter, {David A.} and Georgios Dimitriadis and Armin Rest and Cesar Rojas-Bravo and Siebert, {Matthew R.} and Brown, {Peter J.} and Jamison Burke and Gonzalez, {Estefania Padilla} and Daichi Hiramatsu and Howell, {D. Andrew} and Curtis McCully and Craig Pellegrino and Matthew Dobson and Smartt, {Stephen J.} and Swift, {Jonathan J.} and Holland Stacey and Mohammed Rahman and Sand, {David J.} and Jennifer Andrews and Samuel Wyatt and Hsiao, {Eric Y.} and Anderson, {Joseph P.} and Ting-Wan Chen and {Della Valle}, Massimo and Lluis Galbany and Mariusz Gromadzki and Cosimo Inserra and Joe Lyman and Mark Magee and Kate Maguire and Mueller-Bravo, {Tomas E.} and Matt Nicholl and Shubham Srivastav and Williams, {Steven C.}",

year = "2020",

month = nov,

day = "13",

doi = "10.1093/mnras/staa3543",

language = "English",

volume = "501",

pages = "1078--1099",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "OXFORD UNIV PRESS",

number = "1",

}

RIS

TY - JOUR

T1 - SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class

AU - Barna, Barnabas

AU - Szalai, Tamas

AU - Jha, Saurabh W.

AU - Camacho-Neves, Yssavo

AU - Kwok, Lindsey

AU - Foley, Ryan J.

AU - Kilpatrick, Charles D.

AU - Coulter, David A.

AU - Dimitriadis, Georgios

AU - Rest, Armin

AU - Rojas-Bravo, Cesar

AU - Siebert, Matthew R.

AU - Brown, Peter J.

AU - Burke, Jamison

AU - Gonzalez, Estefania Padilla

AU - Hiramatsu, Daichi

AU - Howell, D. Andrew

AU - McCully, Curtis

AU - Pellegrino, Craig

AU - Dobson, Matthew

AU - Smartt, Stephen J.

AU - Swift, Jonathan J.

AU - Stacey, Holland

AU - Rahman, Mohammed

AU - Sand, David J.

AU - Andrews, Jennifer

AU - Wyatt, Samuel

AU - Hsiao, Eric Y.

AU - Anderson, Joseph P.

AU - Chen, Ting-Wan

AU - Della Valle, Massimo

AU - Galbany, Lluis

AU - Gromadzki, Mariusz

AU - Inserra, Cosimo

AU - Lyman, Joe

AU - Magee, Mark

AU - Maguire, Kate

AU - Mueller-Bravo, Tomas E.

AU - Nicholl, Matt

AU - Srivastav, Shubham

AU - Williams, Steven C.

PY - 2020/11/13

Y1 - 2020/11/13

N2 - We present early-time (t < +50 d) observations of SN 2019muj (=ASASSN-19tr), one of the best-observed members of the peculiar SN Iax class. Ultraviolet and optical photometric and optical and near-infrared spectroscopic follow-up started from ∼5 d before maximum light [tmax(B) on $58707.8$ MJD] and covers the photospheric phase. The early observations allow us to estimate the physical properties of the ejecta and characterize the possible divergence from a uniform chemical abundance structure. The estimated bolometric light-curve peaks at 1.05 × 1042 erg s-1 and indicates that only 0.031 M of 56Ni was produced, making SN 2019muj a moderate luminosity object in the Iax class with peak absolute magnitude of $M_\rm {V} = -16.4$ mag. The estimated date of explosion is t0 = $58698.2$ MJD and implies a short rise time of trise = 9.6 d in B band. We fit of the spectroscopic data by synthetic spectra, calculated via the radiative transfer code tardis. Adopting the partially stratified abundance template based on brighter SNe Iax provides a good match with SN 2019muj. However, without earlier spectra, the need for stratification cannot be stated in most of the elements, except carbon, which is allowed to appear in the outer layers only. SN 2019muj provides a unique opportunity to link extremely low-luminosity SNe Iax to well-studied, brighter SNe Iax.

AB - We present early-time (t < +50 d) observations of SN 2019muj (=ASASSN-19tr), one of the best-observed members of the peculiar SN Iax class. Ultraviolet and optical photometric and optical and near-infrared spectroscopic follow-up started from ∼5 d before maximum light [tmax(B) on $58707.8$ MJD] and covers the photospheric phase. The early observations allow us to estimate the physical properties of the ejecta and characterize the possible divergence from a uniform chemical abundance structure. The estimated bolometric light-curve peaks at 1.05 × 1042 erg s-1 and indicates that only 0.031 M of 56Ni was produced, making SN 2019muj a moderate luminosity object in the Iax class with peak absolute magnitude of $M_\rm {V} = -16.4$ mag. The estimated date of explosion is t0 = $58698.2$ MJD and implies a short rise time of trise = 9.6 d in B band. We fit of the spectroscopic data by synthetic spectra, calculated via the radiative transfer code tardis. Adopting the partially stratified abundance template based on brighter SNe Iax provides a good match with SN 2019muj. However, without earlier spectra, the need for stratification cannot be stated in most of the elements, except carbon, which is allowed to appear in the outer layers only. SN 2019muj provides a unique opportunity to link extremely low-luminosity SNe Iax to well-studied, brighter SNe Iax.

UR - https://publons.com/wos-op/publon/34969302/

U2 - 10.1093/mnras/staa3543

DO - 10.1093/mnras/staa3543

M3 - Journal article

VL - 501

SP - 1078

EP - 1099

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 1

ER -

Research

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