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A comparison between repeating bursts of FRB 121102 and giant pulses from Crab pulsar and its applications
Fen Lyu, Yan-Zhi Meng, Zhen-Fan Tang +6
There are some similarities between bursts of repeating fast radio bursts (FRBs) and giant pulses (GPs) of pulsars. To explore possible relations between them, we study the cumulat…
Persistent Emission Properties of SGR J1935+2154 During Its 2020 Active Episode
Ersin Gogus, Matthew G. Baring, Chryssa Kouveliotou +6
We present detailed spectral and temporal characteristics of the persistent X-ray emission of SGR J1935+2154 based on our XMM-Newton and Chandra observations taken in the aftermath…
Fermi/GBM View of the 2019 and 2020 Burst Active Episodes of SGR J1935+2154
Lin Lin, Ersin Gogus, Oliver J. Roberts +5
We present temporal and time-integrated spectral analyses of 148 bursts from the latest activation of SGR J1935+2154, observed with Fermi/GBM from October 4th 2019 through May 20th…
Bursts before Burst: A Comparative Study on FRB 200428-associated and FRB-absent X-ray Bursts from SGR J1935+2154
Yu-Han Yang, Bin-Bin Zhang, Lin Lin +8
Accompanied by an X-ray burst, the fast radio burst (FRB) FRB 200428 was recently confirmed as originating from the Galactic magnetar soft gamma repeater (SGR) SGR J1935+2154. Just…
The NICER View of the 2020 Burst Storm and Persistent Emission of SGR 1935+2154
George Younes, Tolga Guver, Chryssa Kouveliotou +12
We report on NICER observations of the Magnetar SGR~1935+2154, covering its 2020 burst storm and long-term persistent emission evolution up to days post outburst. During t…
Spatially-resolved Stellar Population Properties of the M 51-NGC 5195 System from Multi-wavelength Photometric Data
Peng Wei, Hu Zou, Lin Lin +5
Using multi-band photometric images of M 51 and its companion NGC 5195 from ultraviolet to optical and infrared, we investigate spatially resolved stellar population properties of…