Deep optical observations contemporaneous with emission from the periodic FRB 180916.J0158+65

Charles D. Kilpatrick; Joseph N. Burchett; David O. Jones; Ben Margalit; Russet McMillan; Wen Fai Fong; Kasper E. Heintz; Nicolas Tejos; Alicia Rouco Escorial

doi:10.3847/2041-8213/abd560

Deep optical observations contemporaneous with emission from the periodic FRB 180916.J0158+65

Charles D. Kilpatrick, Joseph N. Burchett, David O. Jones, Ben Margalit, Russet McMillan, Wen Fai Fong, Kasper E. Heintz, Nicolas Tejos, Alicia Rouco Escorial

INSTITUTE OF PHYSICS

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Abstract

We present deep Apache Point Observatory optical observations within seconds of radio emission from the periodic fast radio burst (FRB) 180916.J0158+65 obtained on 2020 September 3. FRB 180916.J0158+65 is located in a nearby spiral galaxy 150 Mpc away and has an "active phase"with a well-measured period of approximately 16.3 days. Targeting the FRB at the peak of its expected active phase and during a recent 30 minute observing window by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in which a radio burst was detected, we did not detect any transient optical emission at mi ≈ 24.7 mag (3σ) from 2.2 to 1938.1 s after the burst arrival time in optical bands (corrected for dispersion). Comparing our limiting magnitudes to models of a synchrotron maser formed in the circumburst environment of FRB 180916+J0158.65, we constrain scenarios where the burst energy was >1044 erg and the circumburst density was >104 cm-3.

Original language	English
Article number	abd560
Journal	Astrophysical Journal Letters
Volume	907
Issue number	1
DOIs	https://doi.org/10.3847/2041-8213/abd560
State	Published - 20 Jan 2021

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title = "Deep optical observations contemporaneous with emission from the periodic FRB 180916.J0158+65",

abstract = "We present deep Apache Point Observatory optical observations within seconds of radio emission from the periodic fast radio burst (FRB) 180916.J0158+65 obtained on 2020 September 3. FRB 180916.J0158+65 is located in a nearby spiral galaxy 150 Mpc away and has an {"}active phase{"}with a well-measured period of approximately 16.3 days. Targeting the FRB at the peak of its expected active phase and during a recent 30 minute observing window by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in which a radio burst was detected, we did not detect any transient optical emission at mi ≈ 24.7 mag (3σ) from 2.2 to 1938.1 s after the burst arrival time in optical bands (corrected for dispersion). Comparing our limiting magnitudes to models of a synchrotron maser formed in the circumburst environment of FRB 180916+J0158.65, we constrain scenarios where the burst energy was >1044 erg and the circumburst density was >104 cm-3.",

author = "Kilpatrick, {Charles D.} and Burchett, {Joseph N.} and Jones, {David O.} and Ben Margalit and Russet McMillan and Fong, {Wen Fai} and Heintz, {Kasper E.} and Nicolas Tejos and Escorial, {Alicia Rouco}",

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doi = "10.3847/2041-8213/abd560",

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AU - Kilpatrick, Charles D.

AU - Burchett, Joseph N.

AU - Jones, David O.

AU - Margalit, Ben

AU - McMillan, Russet

AU - Fong, Wen Fai

AU - Heintz, Kasper E.

AU - Tejos, Nicolas

AU - Escorial, Alicia Rouco

PY - 2021/1/20

Y1 - 2021/1/20

N2 - We present deep Apache Point Observatory optical observations within seconds of radio emission from the periodic fast radio burst (FRB) 180916.J0158+65 obtained on 2020 September 3. FRB 180916.J0158+65 is located in a nearby spiral galaxy 150 Mpc away and has an "active phase"with a well-measured period of approximately 16.3 days. Targeting the FRB at the peak of its expected active phase and during a recent 30 minute observing window by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in which a radio burst was detected, we did not detect any transient optical emission at mi ≈ 24.7 mag (3σ) from 2.2 to 1938.1 s after the burst arrival time in optical bands (corrected for dispersion). Comparing our limiting magnitudes to models of a synchrotron maser formed in the circumburst environment of FRB 180916+J0158.65, we constrain scenarios where the burst energy was >1044 erg and the circumburst density was >104 cm-3.

AB - We present deep Apache Point Observatory optical observations within seconds of radio emission from the periodic fast radio burst (FRB) 180916.J0158+65 obtained on 2020 September 3. FRB 180916.J0158+65 is located in a nearby spiral galaxy 150 Mpc away and has an "active phase"with a well-measured period of approximately 16.3 days. Targeting the FRB at the peak of its expected active phase and during a recent 30 minute observing window by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) in which a radio burst was detected, we did not detect any transient optical emission at mi ≈ 24.7 mag (3σ) from 2.2 to 1938.1 s after the burst arrival time in optical bands (corrected for dispersion). Comparing our limiting magnitudes to models of a synchrotron maser formed in the circumburst environment of FRB 180916+J0158.65, we constrain scenarios where the burst energy was >1044 erg and the circumburst density was >104 cm-3.

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JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

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ER -

Deep optical observations contemporaneous with emission from the periodic FRB 180916.J0158+65

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