no code implementations • 27 Jan 2021 • L. Ighina, S. Belladitta, A. Caccianiga, J. W. Broderick, G. Drouart, A. Moretti, N. Seymour
We report the 888 MHz radio detection in the Rapid ASKAP Continuum Survey (RACS) of VIK J2318$-$3113, a $z$=6. 44 quasar.
Astrophysics of Galaxies
no code implementations • 10 Dec 2020 • J. Delhaize, I. Heywood, M. Prescott, M. J. Jarvis, I. Delvecchio, I. H. Whittam, S. V. White, M. J. Hardcastle, C. L. Hale, J. Afonso, Y. Ao, M. Brienza, M. Brueggen, J. D. Collier, E. Daddi, M. Glowacki, N. Maddox, L. K. Morabito, I. Prandoni, Z. Randriamanakoto, S. Sekhar, FangXia An, N. J. Adams, S. Blyth, R. A. A. Bowler, L. Leeuw, L. Marchetti, S. M. Randriamampandry, K. Thorat, N. Seymour, O. Smirnov, A. R. Taylor, C. Tasse, M. Vaccari
However, the excellent sensitivity and uv coverage of the new MeerKAT telescope allowed this diffuse emission to be detected.
Astrophysics of Galaxies
no code implementations • 3 Dec 2020 • K. Ross, J. R. Callingham, N. Hurley-Walker, N. Seymour, P. Hancock, T. M. O. Franzen, J. Morgan, S. V. White, M. E. Bell, P. Patil
We present methodologies for detecting variability in the spectrum between epochs and for classifying the type of variability: either as a change in spectral shape or as a uniform change in flux density across the bandwidth.
Astrophysics of Galaxies
no code implementations • 7 Oct 2019 • A. P. Beardsley, M. Johnston-Hollitt, C. M. Trott, J. C. Pober, J. Morgan, D. Oberoi, D. L. Kaplan, C. R. Lynch, G. E. Anderson, P. I. McCauley, S. Croft, C. W. James, O. I. Wong, C. D. Tremblay, R. P. Norris, I. H. Cairns, C. J. Lonsdale, P. J. Hancock, B. M. Gaensler, N. D. R. Bhat, W. Li, N. Hurley-Walker, J. R. Callingham, N. Seymour, S. Yoshiura, R. C. Joseph, K. Takahashi, M. Sokolowski, J. C. A. Miller-Jones, J. V. Chauhan, I. Bojičić, M. D. Filipović, D. Leahy, H. Su, W. W. Tian, S. J. McSweeney, B. W. Meyers, S. Kitaeff, T. Vernstrom, G. Gürkan, G. Heald, M. Xue, C. J. Riseley, S. W. Duchesne, J. D. Bowman, D. C. Jacobs, B. Crosse, D. Emrich, T. M. O. Franzen, L. Horsley, D. Kenney, M. F. Morales, D. Pallot, K. Steele, S. J. Tingay, M. Walker, R. B. Wayth, A. Williams, C. Wu
The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80$-$300 MHz) southern sky.
Instrumentation and Methods for Astrophysics
