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  • 1504.07747v2

    Rights statement: This is an author-created, un-copyedited version of an article accepted for publication/published in Astrophysical Journal Letters. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/2041-8205/805/2/L18

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A luminous red nova in M31 and its progenitor system

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A luminous red nova in M31 and its progenitor system. / Williams, S. C.; Darnley, M. J.; Bode, M. F.; Steele, I. A.

In: Astrophysical Journal Letters, Vol. 805, No. 2, L18, 29.05.2015.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Williams, SC, Darnley, MJ, Bode, MF & Steele, IA 2015, 'A luminous red nova in M31 and its progenitor system', Astrophysical Journal Letters, vol. 805, no. 2, L18. https://doi.org/10.1088/2041-8205/805/2/L18

APA

Williams, S. C., Darnley, M. J., Bode, M. F., & Steele, I. A. (2015). A luminous red nova in M31 and its progenitor system. Astrophysical Journal Letters, 805(2), [L18]. https://doi.org/10.1088/2041-8205/805/2/L18

Vancouver

Williams SC, Darnley MJ, Bode MF, Steele IA. A luminous red nova in M31 and its progenitor system. Astrophysical Journal Letters. 2015 May 29;805(2). L18. https://doi.org/10.1088/2041-8205/805/2/L18

Author

Williams, S. C. ; Darnley, M. J. ; Bode, M. F. ; Steele, I. A. / A luminous red nova in M31 and its progenitor system. In: Astrophysical Journal Letters. 2015 ; Vol. 805, No. 2.

Bibtex

@article{cd78b2440a014fe688d05e2f652f3282,
title = "A luminous red nova in M31 and its progenitor system",
abstract = "We present observations of M31LRN 2015 (MASTER OT J004207.99+405501.1), discovered in M31 in 2015 January, and identified as a rare and enigmatic luminous red nova (LRN). Spectroscopic and photometric observations obtained by the Liverpool Telescope showed the LRN becoming extremely red as it faded from its {{M}V}=-9.4+/- 0.2 peak. Early spectra showed strong Hα emission that weakened over time as a number of absorption features appeared, including Na i D and Ba ii. At later times strong TiO absorption bands were also seen. A search of archival Hubble Space Telescope data revealed a luminous red source to be the likely progenitor system, with pre-outburst Hα emission also detected in ground-based data. The outburst of M31LRN 2015 shows many similarities, both spectroscopically and photometrically, with that of V838 Mon, the best studied LRN. We finally discuss the possible progenitor scenarios.",
author = "Williams, {S. C.} and Darnley, {M. J.} and Bode, {M. F.} and Steele, {I. A.}",
note = "This is an author-created, un-copyedited version of an article accepted for publication/published in Astrophysical Journal Letters. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/2041-8205/805/2/L18",
year = "2015",
month = may,
day = "29",
doi = "10.1088/2041-8205/805/2/L18",
language = "English",
volume = "805",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - A luminous red nova in M31 and its progenitor system

AU - Williams, S. C.

AU - Darnley, M. J.

AU - Bode, M. F.

AU - Steele, I. A.

N1 - This is an author-created, un-copyedited version of an article accepted for publication/published in Astrophysical Journal Letters. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/2041-8205/805/2/L18

PY - 2015/5/29

Y1 - 2015/5/29

N2 - We present observations of M31LRN 2015 (MASTER OT J004207.99+405501.1), discovered in M31 in 2015 January, and identified as a rare and enigmatic luminous red nova (LRN). Spectroscopic and photometric observations obtained by the Liverpool Telescope showed the LRN becoming extremely red as it faded from its {{M}V}=-9.4+/- 0.2 peak. Early spectra showed strong Hα emission that weakened over time as a number of absorption features appeared, including Na i D and Ba ii. At later times strong TiO absorption bands were also seen. A search of archival Hubble Space Telescope data revealed a luminous red source to be the likely progenitor system, with pre-outburst Hα emission also detected in ground-based data. The outburst of M31LRN 2015 shows many similarities, both spectroscopically and photometrically, with that of V838 Mon, the best studied LRN. We finally discuss the possible progenitor scenarios.

AB - We present observations of M31LRN 2015 (MASTER OT J004207.99+405501.1), discovered in M31 in 2015 January, and identified as a rare and enigmatic luminous red nova (LRN). Spectroscopic and photometric observations obtained by the Liverpool Telescope showed the LRN becoming extremely red as it faded from its {{M}V}=-9.4+/- 0.2 peak. Early spectra showed strong Hα emission that weakened over time as a number of absorption features appeared, including Na i D and Ba ii. At later times strong TiO absorption bands were also seen. A search of archival Hubble Space Telescope data revealed a luminous red source to be the likely progenitor system, with pre-outburst Hα emission also detected in ground-based data. The outburst of M31LRN 2015 shows many similarities, both spectroscopically and photometrically, with that of V838 Mon, the best studied LRN. We finally discuss the possible progenitor scenarios.

U2 - 10.1088/2041-8205/805/2/L18

DO - 10.1088/2041-8205/805/2/L18

M3 - Journal article

VL - 805

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - L18

ER -