Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations

M. A. Pérez-Torres; P. Lundqvist; R. J. Beswick; C. I. Björnsson; Thomas Muxlow; Z. Paragi; S. Ryder; A. Alberdi; C. Fransson; J. M. Marcaide; I. Martí-Vidal; E. Ros; M. K. Argo; J. C. Guirado

doi:10.1088/0004-637X/792/1/38

Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations

M. A. Pérez-Torres, P. Lundqvist, R. J. Beswick, C. I. Björnsson, Thomas Muxlow, Z. Paragi, S. Ryder, A. Alberdi, C. Fransson, J. M. Marcaide, I. Martí-Vidal, E. Ros, M. K. Argo, J. C. Guirado

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Abstract

We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to \dot{M} ≲ 7.0× 10^-10 { {M_⊙ yr^-1}} (for a wind speed of 100 km s^-1). If the medium around the supernova is uniform, then n _ISM -3, which is the most stringent limit for the (uniform) density around a Type Ia SN. Our deep upper limits favor a double-degenerate (DD) scenario—involving two

Original language	English
Article number	38
Number of pages	10
Journal	The Astrophysical Journal
Volume	792
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/792/1/38
Publication status	Published - 1 Sept 2014

Keywords

stars: mass-loss
Supernovae: individual: SN2011fe SN2014J

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http://adsabs.harvard.edu/abs/2014ApJ...792...38P

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Pérez-Torres, M. A., Lundqvist, P., Beswick, R. J., Björnsson, C. I., Muxlow, T., Paragi, Z., Ryder, S., Alberdi, A., Fransson, C., Marcaide, J. M., Martí-Vidal, I., Ros, E., Argo, M. K., & Guirado, J. C. (2014). Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations. The Astrophysical Journal, 792(1), Article 38. https://doi.org/10.1088/0004-637X/792/1/38

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title = "Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations",

abstract = "We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to \dot{M} ≲ 7.0× 10-10 { {M⊙ yr-1}} (for a wind speed of 100 km s-1). If the medium around the supernova is uniform, then n ISM -3, which is the most stringent limit for the (uniform) density around a Type Ia SN. Our deep upper limits favor a double-degenerate (DD) scenario—involving two",

keywords = "stars: mass-loss, Supernovae: individual: SN2011fe SN2014J",

author = "P{\'e}rez-Torres, {M. A.} and P. Lundqvist and Beswick, {R. J.} and Bj{\"o}rnsson, {C. I.} and Thomas Muxlow and Z. Paragi and S. Ryder and A. Alberdi and C. Fransson and Marcaide, {J. M.} and I. Mart{\'i}-Vidal and E. Ros and Argo, {M. K.} and Guirado, {J. C.}",

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doi = "10.1088/0004-637X/792/1/38",

language = "English",

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Pérez-Torres, MA, Lundqvist, P, Beswick, RJ, Björnsson, CI, Muxlow, T, Paragi, Z, Ryder, S, Alberdi, A, Fransson, C, Marcaide, JM, Martí-Vidal, I, Ros, E, Argo, MK & Guirado, JC 2014, 'Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations', The Astrophysical Journal, vol. 792, no. 1, 38. https://doi.org/10.1088/0004-637X/792/1/38

TY - JOUR

T1 - Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations

AU - Pérez-Torres, M. A.

AU - Lundqvist, P.

AU - Beswick, R. J.

AU - Björnsson, C. I.

AU - Muxlow, Thomas

AU - Paragi, Z.

AU - Ryder, S.

AU - Alberdi, A.

AU - Fransson, C.

AU - Marcaide, J. M.

AU - Martí-Vidal, I.

AU - Ros, E.

AU - Argo, M. K.

AU - Guirado, J. C.

PY - 2014/9/1

Y1 - 2014/9/1

N2 - We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to \dot{M} ≲ 7.0× 10-10 { {M⊙ yr-1}} (for a wind speed of 100 km s-1). If the medium around the supernova is uniform, then n ISM -3, which is the most stringent limit for the (uniform) density around a Type Ia SN. Our deep upper limits favor a double-degenerate (DD) scenario—involving two

AB - We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to \dot{M} ≲ 7.0× 10-10 { {M⊙ yr-1}} (for a wind speed of 100 km s-1). If the medium around the supernova is uniform, then n ISM -3, which is the most stringent limit for the (uniform) density around a Type Ia SN. Our deep upper limits favor a double-degenerate (DD) scenario—involving two

KW - stars: mass-loss

KW - Supernovae: individual: SN2011fe SN2014J

U2 - 10.1088/0004-637X/792/1/38

DO - 10.1088/0004-637X/792/1/38

M3 - Article

SN - 1538-4357

VL - 792

JO - The Astrophysical Journal

JF - The Astrophysical Journal

IS - 1

M1 - 38

ER -

Constraints on the Progenitor System and the Environs of SN 2014J from Deep Radio Observations

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Keywords

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