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http://hdl.handle.net/20.500.12386/32544
Title: | The Northern Cross Fast Radio Burst project - II. Monitoring of repeating FRB 20180916B, 20181030A, 20200120E and 20201124A | Authors: | TRUDU, MATTEO PILIA, Maura BERNARDI, GIANNI Addis, A. BIANCHI, GERMANO Magro, A. NALDI, Giovanni Pelliciari, D. PUPILLO, Giuseppe Setti, G. BORTOLOTTI, CLAUDIO CASENTINI, CLAUDIO DALLACASA, DANIELE Gajjar, V. Locatelli, N. Lulli, R. MACCAFERRI, Giuseppe MATTANA, Andrea Michilli, D. PERINI, FEDERICO POSSENTI, ANDREA ROMA, MAURO SCHIAFFINO, MARCO TAVANI, MARCO VERRECCHIA, Francesco |
Issue Date: | 2022 | Journal: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Number: | 513 | Issue: | 2 | First Page: | 1858 | Abstract: | In this work we report the results of a nineteen-month Fast Radio Burst observational campaign carried out with the North-South arm of the Medicina Northern Cross radio telescope at 408~MHz in which we monitored four repeating sources: FRB20180916B, FRB20181030A, FRB20200120E and FRB20201124A. We present the current state of the instrument and the detection and characterisation of three bursts from FRB20180916B. Given our observing time, our detections are consistent with the event number we expect from the known burst rate ($2.7 \pm 1.9$ above our 10$\sigma$, 38~Jy~ms detection threshold) in the 5.2 day active window of the source, further confirming the source periodicity. We detect no bursts from the other sources. We turn this result into a 95\% confidence level lower limit on the slope of the differential fluence distribution $\alpha$ to be $\alpha > 2.1$ and $\alpha > 2.2$ for FRB20181030A and FRB20200120E respectively. Given the known rate for FRB20201124A, we expect $1.0 \pm 1.1$ bursts from our campaign, consistent with our non-detection. | URI: | http://hdl.handle.net/20.500.12386/32544 | URL: | https://academic.oup.com/mnras/article/513/2/1858/6567872 http://arxiv.org/abs/2204.05050v1 |
ISSN: | 0035-8711 | DOI: | 10.1093/mnras/stac1031 | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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trudu22.pdf | Pdf editoriale | 1.29 MB | Adobe PDF | View/Open |
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