The rise of SN 2014J in the nearby galaxy M82

A. Goobar; J. Johansson; R. Amanullah; Y. Cao; D. A. Perley; M. M. Kasliwal; R. Ferretti; P. E. Nugent; C. Harris; A. Gal-Yam; E. O. Ofek; S. P. Tendulkar; M. Dennefeld; S. Valenti; I. Arcavi; D. P.K. Banerjee; V. Venkataraman; V. Joshi; N. M. Ashok; S. B. Cenko; R. F. Diaz; C. Fremling; A. Horesh; D. A. Howell; S. R. Kulkarni; S. Papadogiannakis; T. Petrushevska; D. Sand; J. Sollerman; V. Stanishev; J. S. Bloom; J. Surace; T. J. Dupuy; M. C. Liu

doi:10.1088/2041-8205/784/1/L12

The rise of SN 2014J in the nearby galaxy M82

A. Goobar, J. Johansson, R. Amanullah, Y. Cao, D. A. Perley, M. M. Kasliwal, R. Ferretti, P. E. Nugent, C. Harris, A. Gal-Yam, E. O. Ofek, S. P. Tendulkar, M. Dennefeld, S. Valenti, I. Arcavi, D. P.K. Banerjee, V. Venkataraman, V. Joshi, N. M. Ashok, S. B. CenkoR. F. Diaz, C. Fremling, A. Horesh, D. A. Howell, S. R. Kulkarni, S. Papadogiannakis, T. Petrushevska, D. Sand, J. Sollerman, V. Stanishev, J. S. Bloom, J. Surace, T. J. Dupuy, M. C. Liu

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Abstract

We report on the discovery of SN 2014J in the nearby galaxy M82. Given its proximity, it offers the best opportunity to date to study a thermonuclear supernova (SN) over a wide range of the electromagnetic spectrum. Optical, near-IR, and mid-IR observations on the rising light curve, orchestrated by the intermediate Palomar Transient Factory, show that SN 2014J is a spectroscopically normal Type Ia supernova (SN Ia), albeit exhibiting high-velocity features in its spectrum and heavily reddened by dust in the host galaxy. Our earliest detections start just hours after the fitted time of explosion. We use high-resolution optical spectroscopy to analyze the dense intervening material and do not detect any evolution in the resolved absorption features during the light curve rise. Similar to other highly reddened SNe Ia, a low value of total-to-selective extinction, R_V ≲ 2, provides the best match to our observations. We also study pre-explosion optical and near-IR images from Hubble Space Telescope with special emphasis on the sources nearest to the SN location.

Original language	English
Article number	L12
Journal	Astrophysical Journal Letters
Volume	784
Issue number	1
DOIs	https://doi.org/10.1088/2041-8205/784/1/L12
State	Published - 20 Mar 2014
Externally published	Yes

Keywords

dust, extinction
galaxies: individual (Messier 82)
supernovae: individual (SN 2014J)

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10.1088/2041-8205/784/1/L12

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Goobar, A., Johansson, J., Amanullah, R., Cao, Y., Perley, D. A., Kasliwal, M. M., Ferretti, R., Nugent, P. E., Harris, C., Gal-Yam, A., Ofek, E. O., Tendulkar, S. P., Dennefeld, M., Valenti, S., Arcavi, I., Banerjee, D. P. K., Venkataraman, V., Joshi, V., Ashok, N. M., ... Liu, M. C. (2014). The rise of SN 2014J in the nearby galaxy M82. Astrophysical Journal Letters, 784(1), Article L12. https://doi.org/10.1088/2041-8205/784/1/L12

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title = "The rise of SN 2014J in the nearby galaxy M82",

abstract = "We report on the discovery of SN 2014J in the nearby galaxy M82. Given its proximity, it offers the best opportunity to date to study a thermonuclear supernova (SN) over a wide range of the electromagnetic spectrum. Optical, near-IR, and mid-IR observations on the rising light curve, orchestrated by the intermediate Palomar Transient Factory, show that SN 2014J is a spectroscopically normal Type Ia supernova (SN Ia), albeit exhibiting high-velocity features in its spectrum and heavily reddened by dust in the host galaxy. Our earliest detections start just hours after the fitted time of explosion. We use high-resolution optical spectroscopy to analyze the dense intervening material and do not detect any evolution in the resolved absorption features during the light curve rise. Similar to other highly reddened SNe Ia, a low value of total-to-selective extinction, RV ≲ 2, provides the best match to our observations. We also study pre-explosion optical and near-IR images from Hubble Space Telescope with special emphasis on the sources nearest to the SN location.",

keywords = "dust, extinction, galaxies: individual (Messier 82), supernovae: individual (SN 2014J)",

author = "A. Goobar and J. Johansson and R. Amanullah and Y. Cao and Perley, {D. A.} and Kasliwal, {M. M.} and R. Ferretti and Nugent, {P. E.} and C. Harris and A. Gal-Yam and Ofek, {E. O.} and Tendulkar, {S. P.} and M. Dennefeld and S. Valenti and I. Arcavi and Banerjee, {D. P.K.} and V. Venkataraman and V. Joshi and Ashok, {N. M.} and Cenko, {S. B.} and Diaz, {R. F.} and C. Fremling and A. Horesh and Howell, {D. A.} and Kulkarni, {S. R.} and S. Papadogiannakis and T. Petrushevska and D. Sand and J. Sollerman and V. Stanishev and Bloom, {J. S.} and J. Surace and Dupuy, {T. J.} and Liu, {M. C.}",

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month = mar,

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doi = "10.1088/2041-8205/784/1/L12",

language = "אנגלית",

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journal = "Astrophysical Journal Letters",

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Goobar, A, Johansson, J, Amanullah, R, Cao, Y, Perley, DA, Kasliwal, MM, Ferretti, R, Nugent, PE, Harris, C, Gal-Yam, A, Ofek, EO, Tendulkar, SP, Dennefeld, M, Valenti, S, Arcavi, I, Banerjee, DPK, Venkataraman, V, Joshi, V, Ashok, NM, Cenko, SB, Diaz, RF, Fremling, C, Horesh, A, Howell, DA, Kulkarni, SR, Papadogiannakis, S, Petrushevska, T, Sand, D, Sollerman, J, Stanishev, V, Bloom, JS, Surace, J, Dupuy, TJ & Liu, MC 2014, 'The rise of SN 2014J in the nearby galaxy M82', Astrophysical Journal Letters, vol. 784, no. 1, L12. https://doi.org/10.1088/2041-8205/784/1/L12

TY - JOUR

T1 - The rise of SN 2014J in the nearby galaxy M82

AU - Goobar, A.

AU - Johansson, J.

AU - Amanullah, R.

AU - Cao, Y.

AU - Perley, D. A.

AU - Kasliwal, M. M.

AU - Ferretti, R.

AU - Nugent, P. E.

AU - Harris, C.

AU - Gal-Yam, A.

AU - Ofek, E. O.

AU - Tendulkar, S. P.

AU - Dennefeld, M.

AU - Valenti, S.

AU - Arcavi, I.

AU - Banerjee, D. P.K.

AU - Venkataraman, V.

AU - Joshi, V.

AU - Ashok, N. M.

AU - Cenko, S. B.

AU - Diaz, R. F.

AU - Fremling, C.

AU - Horesh, A.

AU - Howell, D. A.

AU - Kulkarni, S. R.

AU - Papadogiannakis, S.

AU - Petrushevska, T.

AU - Sand, D.

AU - Sollerman, J.

AU - Stanishev, V.

AU - Bloom, J. S.

AU - Surace, J.

AU - Dupuy, T. J.

AU - Liu, M. C.

PY - 2014/3/20

Y1 - 2014/3/20

N2 - We report on the discovery of SN 2014J in the nearby galaxy M82. Given its proximity, it offers the best opportunity to date to study a thermonuclear supernova (SN) over a wide range of the electromagnetic spectrum. Optical, near-IR, and mid-IR observations on the rising light curve, orchestrated by the intermediate Palomar Transient Factory, show that SN 2014J is a spectroscopically normal Type Ia supernova (SN Ia), albeit exhibiting high-velocity features in its spectrum and heavily reddened by dust in the host galaxy. Our earliest detections start just hours after the fitted time of explosion. We use high-resolution optical spectroscopy to analyze the dense intervening material and do not detect any evolution in the resolved absorption features during the light curve rise. Similar to other highly reddened SNe Ia, a low value of total-to-selective extinction, RV ≲ 2, provides the best match to our observations. We also study pre-explosion optical and near-IR images from Hubble Space Telescope with special emphasis on the sources nearest to the SN location.

AB - We report on the discovery of SN 2014J in the nearby galaxy M82. Given its proximity, it offers the best opportunity to date to study a thermonuclear supernova (SN) over a wide range of the electromagnetic spectrum. Optical, near-IR, and mid-IR observations on the rising light curve, orchestrated by the intermediate Palomar Transient Factory, show that SN 2014J is a spectroscopically normal Type Ia supernova (SN Ia), albeit exhibiting high-velocity features in its spectrum and heavily reddened by dust in the host galaxy. Our earliest detections start just hours after the fitted time of explosion. We use high-resolution optical spectroscopy to analyze the dense intervening material and do not detect any evolution in the resolved absorption features during the light curve rise. Similar to other highly reddened SNe Ia, a low value of total-to-selective extinction, RV ≲ 2, provides the best match to our observations. We also study pre-explosion optical and near-IR images from Hubble Space Telescope with special emphasis on the sources nearest to the SN location.

KW - dust, extinction

KW - galaxies: individual (Messier 82)

KW - supernovae: individual (SN 2014J)

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DO - 10.1088/2041-8205/784/1/L12

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AN - SCOPUS:84896783622

SN - 2041-8205

VL - 784

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

IS - 1

M1 - L12

ER -

The rise of SN 2014J in the nearby galaxy M82

Abstract

Keywords

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