Possible periodic activity in the repeating FRB 121102
Kaustubh Rajwade,Mitchell B. Mickaliger,Benjamin Stappers,Vincent Morello,Devansh Agarwal,Cees Bassa,Rene P. Breton,Manisha Caleb,Aris Karastergiou,Aris Karastergiou,Aris Karastergiou,Evan Keane,Duncan R. Lorimer +12 more
TLDR
In this paper, the authors present the results from a radio monitoring campaign of Fast Radio Bursts (FRB~121102) using the 76-m Lovell telescope and report a detection of periodic behaviour of the source over the span of five years of data.Abstract:
The discovery that at least some Fast Radio Bursts (FRBs) repeat has ruled out cataclysmic events as the progenitors of these particular bursts. FRB~121102 is the most well-studied repeating FRB but despite extensive monitoring of the source, no underlying pattern in the repetition has previously been identified. Here, we present the results from a radio monitoring campaign of FRB~121102 using the 76-m Lovell telescope. Using the pulses detected in the Lovell data along with pulses from the literature, we report a detection of periodic behaviour of the source over the span of five years of data. We predict that the source is currently `off' and that it should turn `on' for the approximate MJD range $59002-59089$ (2020-06-02 to 2020-08-28). This result, along with the recent detection of periodicity from another repeating FRB, highlights the need for long-term monitoring of repeating FRBs at a high cadence. Using simulations, we show that one needs at least 100 hours of telescope time to follow-up repeating FRBs at a cadence of 0.5--3 days to detect periodicities in the range of 10--150 days. If the period is real, it shows that repeating FRBs can have a large range in their activity periods that might be difficult to reconcile with neutron star precession models.read more
Citations
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Journal ArticleDOI
A Nearby Repeating Fast Radio Burst in the Direction of M81
Mohit Bhardwaj,Bryan Gaensler,V. M. Kaspi,T. L. Landecker,R. Mckinven,Daniele Michilli,Ziggy Pleunis,Shriharsh P. Tendulkar,Shriharsh P. Tendulkar,B. C. Andersen,P. J. Boyle,T. Cassanelli,P. Chawla,A. Cook,M. A. Dobbs,Emmanuel Fonseca,J. F. Kaczmarek,Calvin Leung,Kiyoshi Masui,M. Mnchmeyer,Cherry Ng,M. Rafiei-Ravandi,M. Rafiei-Ravandi,P. Scholz,Kyung-Hoon Shin,Kendrick M. Smith,I. H. Stairs,A. V. Zwaniga +27 more
TL;DR: In this article, a repeating fast radio burst (FRB) with a low dispersion measure (DM) was detected by the Canadian Hydrogen Intensity Mapping Experiment FRB project.
Journal ArticleDOI
The Physical Mechanisms of Fast Radio Bursts.
TL;DR: The recent detection of a Galactic fast radio burst in association with a soft gamma-ray repeater suggests that magnetar engines can produce at least some, and probably all, fast radio bursts.
Journal ArticleDOI
Repeating behaviour of FRB 121102: periodicity, waiting times, and energy distribution
M. Cruces,Laura Spitler,P. Scholz,Ryan S. Lynch,A. Seymour,Jason W. T. Hessels,Jason W. T. Hessels,Christian Gouiffes,G. H. Hilmarsson,Michael Kramer,S. Munjal +10 more
TL;DR: In this article, the authors proposed a power-law-based model for the frequency of radio bursts from the repeating fast radio burst (FRB 121102) and found that it is well described by a power law with slope of 0.1\pm 0.2.
Posted ContentDOI
A bimodal burst energy distribution of a repeating fast radio burst source
Di Li,Pei Wang,Wenbai Zhu,Bing Zhang,Zhang Xinxin,Ran Duan,Y. K. Zhang,Yi Feng,Yi Feng,Ningyu Tang,Ningyu Tang,Shami Chatterjee,J. M. Cordes,M. Cruces,Shi Dai,Shi Dai,Shi Dai,Vishal Gajjar,George Hobbs,Chengjin Jin,Michael Kramer,Duncan R. Lorimer,Chenchen Miao,Chenhui Niu,Jiarui Niu,Zhichen Pan,Lei Qian,Laura Spitler,Dan Werthimer,G. Q. Zhang,Fa-Yin Wang,Xiao-Yao Xie,Youling Yue,Lei Zhang,Lei Zhang,Qi-Jun Zhi,Y. H. Zhu +36 more
TL;DR: In this paper, the authors reported the detection of 1652 independent bursts with a peak burst rate of 122~hr^{-1}, in 59.5 hours spanning 47 days, and the burst energy distribution is bimodal, and well characterized by a combination of a log-normal function and a generalized Cauchy function.
Journal ArticleDOI
Periodicity in recurrent fast radio bursts and the origin of ultralong period magnetars
Paz Beniamini,Zorawar Wadiasingh,Zorawar Wadiasingh,Zorawar Wadiasingh,Brian D. Metzger,Brian D. Metzger +5 more
TL;DR: In this paper, the authors make a connection to the 6.7 hour period of the Galactic magnetar candidate, 1E 161348--5055, and explore three physical mechanisms that could lead to the creation of ultra long period magnetars: (i) enhanced spin-down due to episodic mass-loaded charged particle winds (e.g. as may accompany giant flares), (ii) angular momentum kicks from giant flares and (iii) fallback leading to long lasting accretion disks).
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A repeating fast radio burst
Laura Spitler,Paul Scholz,Jason W. T. Hessels,Jason W. T. Hessels,Slavko Bogdanov,Adam Brazier,Fernando Camilo,Shami Chatterjee,J. M. Cordes,Fronefield Crawford,Julia Deneva,Robert D. Ferdman,Paulo C. C. Freire,Victoria M. Kaspi,P. Lazarus,R. S. Lynch,R. S. Lynch,E. Madsen,Maura McLaughlin,C. Patel,Scott M. Ransom,Andrew Seymour,Ingrid H. Stairs,Ingrid H. Stairs,Ben Stappers,J. van Leeuwen,J. van Leeuwen,Weiwei Zhu +27 more
TL;DR: These repeat bursts with high dispersion measure and variable spectra specifically seen from the direction of FRB 121102 support an origin in a young, highly magnetized, extragalactic neutron star.
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