Browsing University of Hertfordshire by Author "Arias, M."

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    • LOFAR HBA observations of the Euclid Deep Field North (EDFN) 

      Bondi, M.; Scaramella, R.; Zamorani, G.; Ciliegi, P.; Vitello, F.; Arias, M.; Best, P.N.; Bonato, M.; Botteon, A.; Brienza, M.; Brunetti, G.; Hardcastle, M. J.; Magliocchetti, M.; Massaro, F.; Morabito, L. K; Pentericci, L.; Prandoni, I.; Röttgering, H. J. A.; Shimwell, T. W.; Tasse, C.; Weeren, R. J. van; White, G. J. (2024-03-18)
      We present the first deep (72 h of observations) radio image of the Euclid Deep Field North (EDFN) obtained with the LOw-Frequency ARray (LOFAR) High Band Antenna (HBA) at 144 MHz. The EDFN is the latest addition to the ...

    • Possible discovery of Calvera's supernova remnant 

      Arias, M.; Botteon, A.; Bassa, C. G.; Jagt, S. van der; Weeren, R. J. van; O'Sullivan, S. P.; Bosschaart, Q.; Dullaart, R. S.; Hardcastle, M. J.; Hessels, J. W. T.; Shimwell, T.; Slob, M. M.; Sturm, J. A.; Tasse, C.; Theijssen, N. C. M. A.; Vink, J. (2022-11-01)
      We report the discovery of a ring of low surface brightness radio emission around the Calvera pulsar, a high Galactic latitude, isolated neutron star, in the LOFAR Two-metre Sky Survey (LoTSS). It is centered at α = ...