Limits on Precursor and Afterglow Radio Emission from a Fast Radio Burst in a Star-forming Galaxy
Shivani Bhandari,Keith W. Bannister,Emil Lenc,Hyerin Cho,Ron Ekers,Ron Ekers,Cherie K. Day,Cherie K. Day,Adam Deller,Chris Flynn,C. W. James,Jean-Pierre Macquart,Elizabeth K. Mahony,Lachlan Marnoch,Lachlan Marnoch,Vanessa A. Moss,Vanessa A. Moss,Chris Phillips,J. Xavier Prochaska,J. Xavier Prochaska,Hao Qiu,Hao Qiu,Stuart D. Ryder,Ryan Shannon,Nicolas Tejos,O. Ivy Wong +25 more
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In this paper, a fast radio burst (FRB) at 920 MHz was discovered during commensal observations conducted with the Australian Square Kilometre Array Pathfinder (ASKAP) as part of the Commensal Real-time ASKAP Fast Transients (CRAFT) survey.Abstract:
We present a new fast radio burst (FRB) at 920 MHz discovered during commensal observations conducted with the Australian Square Kilometre Array Pathfinder (ASKAP) as part of the Commensal Real-time ASKAP Fast Transients (CRAFT) survey. FRB 191001 was detected at a dispersion measure (DM) of 506.92(4) pc cm$^{-3}$ and its measured fluence of 143(15) Jy ms is the highest of the bursts localized to host galaxies by ASKAP to date. The subarcsecond localization of the FRB provided by ASKAP reveals that the burst originated in the outskirts of a highly star-forming spiral in a galaxy pair at redshift $z=0.2340(1)$. Radio observations show no evidence for a compact persistent radio source associated with the FRB 191001 above a flux density of $15 \mu$Jy. However, we detect diffuse synchrotron radio emission from the disk of the host galaxy that we ascribe to ongoing star formation. FRB 191001 was also detected as an image-plane transient in a single 10 s snapshot with a flux density of 19.3 mJy in the low-time-resolution visibilities obtained simultaneously with CRAFT data. The commensal observation facilitated a search for repeating and slowly varying radio emissions 8 hr before and 1 hr after the burst. We found no variable radio emission on timescales ranging from 1 ms to 1.4 hr. We report our upper limits and briefly review FRB progenitor theories in the literature that predict radio afterglows. Our data are still only weakly constraining of any afterglows at the redshift of the FRB. Future commensal observations of more nearby and bright FRBs will potentially provide stronger constraints.read more
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Host galaxy properties and offset distributions of fast radio bursts: implications for their progenitors
Kasper E. Heintz,J. Xavier Prochaska,J. Xavier Prochaska,Sunil Simha,Emma Platts,Wen-fai Fong,Nicolas Tejos,Stuart D. Ryder,Kshitij Aggerwal,Shivani Bhandari,Cherie K. Day,Cherie K. Day,Adam Deller,Charles D. Kilpatrick,Casey J. Law,Jean-Pierre Macquart,Alexandra Mannings,Lachlan Marnoch,Elaine M. Sadler,Elaine M. Sadler,Ryan Shannon +20 more
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The 60 pc Environment of FRB 20180916B
Shriharsh P. Tendulkar,Shriharsh P. Tendulkar,Armando Gil de Paz,Aida Yu. Kirichenko,Aida Yu. Kirichenko,Jason W. T. Hessels,Jason W. T. Hessels,Mohit Bhardwaj,Fernando Antonio de Ávila,Cees Bassa,P. Chawla,Emmanuel Fonseca,Victoria M. Kaspi,A. Keimpema,F. Kirsten,T. Joseph W. Lazio,Benito Marcote,Kiyoshi Masui,K. Nimmo,K. Nimmo,Zsolt Paragi,Mubdi Rahman,Daniel Reverte Payá,P. Scholz,Ingrid H. Stairs +24 more
TL;DR: The16.35 day period in its bursting was reported in this paper, where optical and infrared imaging as well as integral field spectroscopy observations of FRB 20180916B with the WFC3 camera on the Hubble Space Telescope and the MEGARA spectrograph on the 10.4 m Gran Telescopio Canarias.
Journal ArticleDOI
Host Galaxy Properties and Offset Distributions of Fast Radio Bursts: Implications for their Progenitors
Kasper E. Heintz,J. Xavier Prochaska,Sunil Simha,Emma Platts,Wen-fai Fong,Nicolas Tejos,Stuart D. Ryder,Kshitij Aggarwal,Shivani Bhandari,Cherie K. Day,Adam Deller,Charles D. Kilpatrick,Casey J. Law,Jean-Pierre Macquart,Alexandra Mannings,Lachlan Marnoch,Elaine M. Sadler,Ryan Shannon +17 more
TL;DR: In this paper, the authors presented observations and detailed characterizations of five new host galaxies of fast radio bursts (FRBs) discovered with the Australian Square Kilometre Array Pathfinder (ASKAP) and localized to $\lesssim 1''.
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Fast radio bursts at the dawn of the 2020s
TL;DR: In this paper , the authors presented a growing, but still mysterious, population of fast radio burst (FRB) sources, 60 unique sources, 2 repeating FRBs, and only 1 identified host galaxy.
Journal ArticleDOI
Characterizing the Fast Radio Burst Host Galaxy Population and its Connection to Transients in the Local and Extragalactic Universe
J. Y. Han,Sophia A. Davis +1 more
TL;DR: In this article , the authors presented the localization and host galaxies of one repeating and two apparently non-repeating Fast Radio Bursts (FRB) and analyzed the host galaxy properties.
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TL;DR: In this article, the authors report the discovery of four fast radio bursts (FRBs) in the ongoing SUrvey for Pulsars and Extragalactic Radio Bursts at the Parkes Radio Telescope.
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