Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Hilmarsson, G H"'
Autor:
Jahns, J. N., Spitler, L. G., Nimmo, K., Hewitt, D. M., Snelders, M. P., Seymour, A., Hessels, J. W. T., Gourdji, K., Michilli, D., Hilmarsson, G. H.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 519, Issue 1, February 2023, Pages 666-687
We present 849 new bursts from FRB 20121102A detected with the 305-m Arecibo Telescope. Observations were conducted as part of our regular campaign to monitor activity and evolution of burst properties. The 10 reported observations were carried out b
Externí odkaz:
http://arxiv.org/abs/2202.05705
Autor:
Hewitt, D. M., Snelders, M. P., Hessels, J. W. T., Nimmo, K., Jahns, J. N., Spitler, L. G., Gourdji, K., Hilmarsson, G. H., Michilli, D., Ould-Boukattine, O. S., Scholz, P., Seymour, A. D.
FRB 20121102A is the first known fast radio burst (FRB) from which repeat bursts were detected, and one of the best-studied FRB sources in the literature. Here we report on the analysis of 478 bursts (333 previously unreported) from FRB 20121102A usi
Externí odkaz:
http://arxiv.org/abs/2111.11282
Autor:
Marthi, V. R., Bethapudi, S., Main, R. A., Lin, H. -H., Spitler, L. G., Wharton, R. S., Li, D. Z., Gautam, T. G., Pen, U. -L., Hilmarsson, G. H.
We report the observations of the highly active FRb20201124A with the upgraded Giant Metrewave Radio Telescope at 550-750~MHz. These observations in the incoherent array mode simultaneously provided an arcsecond localization of bursts from \rss, the
Externí odkaz:
http://arxiv.org/abs/2108.00697
Autor:
Main, R. A., Hilmarsson, G. H., Marthi, V. R., Spitler, L. G., Wharton, R. S., Bethapudi, S., Li, D. Z., Lin, H. -H.
Scintillation of compact radio sources results from the interference between images caused by multipath propagation, and probes the intervening scattering plasma and the velocities of the emitting source and scattering screen. In FRB20201124A, a repe
Externí odkaz:
http://arxiv.org/abs/2108.00052
The repeating FRB source, FRB 20201124A, was found to be highly active in March and April 2021. We observed the source with the Effelsberg 100-m radio telescope at 1.36 GHz on 9 April 2021 and detected 20 bursts. A downward drift in frequency over ti
Externí odkaz:
http://arxiv.org/abs/2107.12892
Autor:
Hilmarsson, G. H., Spitler, L. G., Keane, E. F., Athanasiadis, T. M., Barr, E., Cruces, M., Deng, X., Heyminck, S., Karuppusamy, R., Kramer, M., Sathyanarayanan, S. P., Krishnan, V. Ventakraman, Wieching, G., Wu, J., Wucknitz, O.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 493, Issue 4, p.5170-5180, 2020
Superluminous supernovae (SLSNe) and long gamma ray bursts (LGRBs) have been proposed as progenitors of repeating Fast Radio Bursts (FRBs). In this scenario, bursts originate from the interaction between a young magnetar and its surrounding supernova
Externí odkaz:
http://arxiv.org/abs/2009.14042
Autor:
Hilmarsson, G. H., Michilli, D., Spitler, L. G., Wharton, R. S., Demorest, P., Desvignes, G., Gourdji, K., Hackstein, S., Hessels, J. W. T., Nimmo, K., Seymour, A. D., Kramer, M., McKinven, R.
The repeating fast radio burst source FRB 121102 has been shown to have an exceptionally high and variable Faraday rotation measure (RM), which must be imparted within its host galaxy and likely by or within its local environment. In the redshifted (
Externí odkaz:
http://arxiv.org/abs/2009.12135
Autor:
Cruces, M., Spitler, L. G., Scholz, P., Lynch, R., Seymour, A., Hessels, J. W. T., Gouiffès, C., Hilmarsson, G. H., Kramer, M., Munjal, S.
Detections from the repeating fast radio burst FRB 121102 are clustered in time, noticeable even in the earliest repeat bursts. Recently, it was argued that the source activity is periodic, suggesting that the clustering reflected a not-yet-identifie
Externí odkaz:
http://arxiv.org/abs/2008.03461
Autor:
Caleb, M., Stappers, B. W., Abbott, T. D., Barr, E. D., Bezuidenhout, M. C., Buchner, S. J., Burgay, M., Chen, W., Cognard, I., Driessen, L. N., Fender, R., Hilmarsson, G. H., Hoang, J., Horn, D. M., Jankowski, F., Kramer, M., Lorimer, D. R., Malenta, M., Morello, V., Pilia, M., Platts, E., Possenti, A., Rajwade, K. M., Ridolfi, A., Rhodes, L., Sanidas, S., Serylak, M., Spitler, L. G., Townsend, L. J., Weltman, A., Woudt, P. A., Wu, J.
We present 11 detections of FRB 121102 in ~3 hours of observations during its 'active' period on the 10th of September 2019. The detections were made using the newly deployed MeerTRAP system and single pulse detection pipeline at the MeerKAT radio te
Externí odkaz:
http://arxiv.org/abs/2006.08662
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