NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars

Chin-Ping Hu; Beste Begiçarslan; Tolga Güver; Teruaki Enoto; George Younes; Takanori Sakamoto; Paul S. Ray; Tod E. Strohmayer; Sebastien Guillot; Zaven Arzoumanian; David M. Palmer; Keith C. Gendreau; C. Malacaria; Zorawar Wadiasingh; Gaurava K. Jaisawal; Walid A. Majid

doi:10.3847/1538-4357/abb3c9

NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars

Chin-Ping Hu, Beste Begiçarslan, Tolga Güver, Teruaki Enoto, George Younes, Takanori Sakamoto, Paul S. Ray, Tod E. Strohmayer, Sebastien Guillot, Zaven Arzoumanian, David M. Palmer, Keith C. Gendreau, C. Malacaria, Zorawar Wadiasingh, Gaurava K. Jaisawal, Walid A. Majid

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Abstract

We report on the hard X-ray burst and the first ~100 days of NICER monitoring of the soft X-ray temporal and spectral evolution of the newly discovered magnetar Swift J1818.0−1607. The burst properties are typical of magnetars with a duration of T 90 = 10 ± 4 ms and a temperature of kT = 8.4 ± 0.7 keV. The 2–8 keV pulse shows a broad, single-peak profile with a pulse fraction increasing with time from 30% to 43%.

Original language	English
Journal	Astrophysical Journal Supplement Series
Volume	902
Issue number	1
Number of pages	10
ISSN	0067-0049
DOIs	https://doi.org/10.3847/1538-4357/abb3c9
Publication status	Published - 2020

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Hu, C-P., Begiçarslan, B., Güver, T., Enoto, T., Younes, G., Sakamoto, T., Ray, P. S., Strohmayer, T. E., Guillot, S., Arzoumanian, Z., Palmer, D. M., Gendreau, K. C., Malacaria, C., Wadiasingh, Z., Jaisawal, G. K., & Majid, W. A. (2020). NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars. Astrophysical Journal Supplement Series, 902(1). https://doi.org/10.3847/1538-4357/abb3c9

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title = "NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars",

abstract = "We report on the hard X-ray burst and the first ~100 days of NICER monitoring of the soft X-ray temporal and spectral evolution of the newly discovered magnetar Swift J1818.0−1607. The burst properties are typical of magnetars with a duration of T 90 = 10 ± 4 ms and a temperature of kT = 8.4 ± 0.7 keV. The 2–8 keV pulse shows a broad, single-peak profile with a pulse fraction increasing with time from 30% to 43%. ",

author = "Chin-Ping Hu and Beste Begi{\c c}arslan and Tolga G{\"u}ver and Teruaki Enoto and George Younes and Takanori Sakamoto and Ray, {Paul S.} and Strohmayer, {Tod E.} and Sebastien Guillot and Zaven Arzoumanian and Palmer, {David M.} and Gendreau, {Keith C.} and C. Malacaria and Zorawar Wadiasingh and Jaisawal, {Gaurava K.} and Majid, {Walid A.}",

year = "2020",

doi = "10.3847/1538-4357/abb3c9",

language = "English",

volume = "902",

journal = "Astrophysical Journal Supplement Series",

issn = "0067-0049",

publisher = "IOP Publishing",

number = "1",

}

Hu, C-P, Begiçarslan, B, Güver, T, Enoto, T, Younes, G, Sakamoto, T, Ray, PS, Strohmayer, TE, Guillot, S, Arzoumanian, Z, Palmer, DM, Gendreau, KC, Malacaria, C, Wadiasingh, Z, Jaisawal, GK & Majid, WA 2020, 'NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars', Astrophysical Journal Supplement Series, vol. 902, no. 1. https://doi.org/10.3847/1538-4357/abb3c9

TY - JOUR

T1 - NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars

AU - Hu, Chin-Ping

AU - Begiçarslan, Beste

AU - Güver, Tolga

AU - Enoto, Teruaki

AU - Younes, George

AU - Sakamoto, Takanori

AU - Ray, Paul S.

AU - Strohmayer, Tod E.

AU - Guillot, Sebastien

AU - Arzoumanian, Zaven

AU - Palmer, David M.

AU - Gendreau, Keith C.

AU - Malacaria, C.

AU - Wadiasingh, Zorawar

AU - Jaisawal, Gaurava K.

AU - Majid, Walid A.

PY - 2020

Y1 - 2020

N2 - We report on the hard X-ray burst and the first ~100 days of NICER monitoring of the soft X-ray temporal and spectral evolution of the newly discovered magnetar Swift J1818.0−1607. The burst properties are typical of magnetars with a duration of T 90 = 10 ± 4 ms and a temperature of kT = 8.4 ± 0.7 keV. The 2–8 keV pulse shows a broad, single-peak profile with a pulse fraction increasing with time from 30% to 43%.

AB - We report on the hard X-ray burst and the first ~100 days of NICER monitoring of the soft X-ray temporal and spectral evolution of the newly discovered magnetar Swift J1818.0−1607. The burst properties are typical of magnetars with a duration of T 90 = 10 ± 4 ms and a temperature of kT = 8.4 ± 0.7 keV. The 2–8 keV pulse shows a broad, single-peak profile with a pulse fraction increasing with time from 30% to 43%.

U2 - 10.3847/1538-4357/abb3c9

DO - 10.3847/1538-4357/abb3c9

M3 - Journal article

VL - 902

JO - Astrophysical Journal Supplement Series

JF - Astrophysical Journal Supplement Series

SN - 0067-0049

IS - 1

ER -

NICER Observation of the Temporal and Spectral Evolution of Swift J1818.0−1607: A Missing Link between Magnetars and Rotation-powered Pulsars

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