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D. Michilli

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Articles by D. Michilli

Retraction Note: Sub-second periodicity in a fast radio burst

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By Bridget C. Andersen, Kevin Bandura, Mohit Bhardwaj Verified, P. J. Boyle, Daniela Breitman, Tomas Cassanelli, Shami Chatterjee, Pragya Chawla, Jean-François Cliche Verified, Davor Cubranic, Alice P. Curtin, Meiling Deng, Matt Dobbs, Fengqiu Adam Dong, Emmanuel Fonseca, B. M. Gaensler, Utkarsh Giri, Deborah Good, Alex Hill, Alexander Josephy, J. Kaczmarek, Zarif Kader, Joseph Kania, Victoria M. Kaspi, Calvin Leung, D. Li, Hsiu-Hsien Lin, Kiyoshi W. Masui, Ryan Mckinven, Juan Mena-Parra, B. W. Meyers, D. Michilli, arun naidu, C. Ng, Aaron B. Pearlman, Ue-Li Pen, Emily Petroff, Ziggy Pleunis, Masoud Rafiei-Ravandi, Mubdi Rahman, Scott Ransom, Andre Renard, Pranav Sanghavi, Paul Scholz, Kaitlyn Shin, Seth Siegel, Saurabh Singh, Kendrick L. Smith, Ingrid Stairs, Shriharsh P. Tendulkar, Keith Vanderlinde, Andrew Zwaniga, Charanjot Brar, Marcus Merryfield, Laura Newburgh, Anna Ordog, Chitrang Patel, J. Richard Shaw, D. V. Wiebe, Dallas Wulf
| Nature Verified
Retraction to: Nature https://doi.org/10.1038/s41586-022-04841-8 Published online 13 July 2022 The authors have retracted this article after identifying a crucial error: due to an unusual calibration problem, CHIME’s digital beams were incorrectly pointed when FRB 20191221A was detected. The sub-second periodicity that they associated with the putative fast radio burst FRB 20191221A was, in reality, a periodic signal from the known Galactic pulsar PSR J0248 + 6021.
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Sub-second periodicity in a fast radio burst - Nature

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By Bridget C. Andersen, Kevin Bandura, P. J. Boyle, Daniela Breitman, Tomas Cassanelli, Shami Chatterjee, Pragya Chawla, Jean-François Cliche Verified, Davor Cubranic, Utkarsh Giri, Alexander Josephy, Zarif Kader, Joseph Kania, Victoria M. Kaspi, Calvin Leung, Hsiu-Hsien Lin, Kiyoshi W. Masui, B. W. Meyers, D. Michilli, Ue-Li Pen, Masoud Rafiei-Ravandi, Mubdi Rahman, Scott Ransom, Andre Renard, Pranav Sanghavi, Paul Scholz, Kaitlyn Shin, Andrew Zwaniga
| Nature Verified
Abstract Fast radio bursts (FRBs) are millisecond-duration flashes of radio waves that are visible at distances of billions of light years1. The nature of their progenitors and their emission mechanism remain open astrophysical questions2. Here we report the detection of the multicomponent FRB 20191221A and the identification of a periodic separation of 216.8(1) ms between its components, with a significance of 6.5σ.
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An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102

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By D. Michilli, A. Seymour, L. G. Spitler, V. Gajjar
| Nature Verified
A.S. led the development of the Arecibo observing functionality used here and discovered the first bursts near 4.5?GHz. L.G.S. is Principal Investigator of the Arecibo monitoring campaign. D.M. discovered the rotation measure and analysed the burst properties in detail. K.G. searched all Arecibo datasets near 4.5?GHz for bursts. J.W.T.H. led the discussion on the interpretation of the results and writing of the manuscript. A.M.A. guided the development of the rotation measure fitting code.
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