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- Australian Astronomical ObservatoryAU873 papers
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11 papers · 2 filters
Radio observations of the merging galaxy cluster system Abell 3391-Abell 3395
M. Brüggen, T. H. Reiprich, E. Bulbul +20
The pre-merging system of galaxy clusters Abell 3391-Abell 3395 located at a mean redshift of 0.053 has been observed at 1 GHz in an ASKAP/EMU Early Science observation as well as…
The Radio Luminosity-Risetime Function of Core-Collapse Supernovae
Michael F. Bietenholz, N. Bartel, M. Argo +3
We assemble a large set of 2-10 GHz radio flux density measurements and upper limits of 294 different supernovae (SNe), from the literature and our own and archival data. Only 31%…
G0.173-0.42: an X-ray and radio magnetized filament near the galactic center
F. Yusef-Zadeh, M. Wardle, C. Heinke +6
The recent detection of an X-ray filament associated with the radio filament G0.173-0.42 adds to four other nonthermal radio filaments with X-ray counterparts, amongst the more tha…
Candidate Periodically Variable Quasars from the Dark Energy Survey and the Sloan Digital Sky Survey
Yu-Ching Chen, Xin Liu, Wei-Ting Liao +62
Periodically variable quasars have been suggested as close binary supermassive black holes. We present a systematic search for periodic light curves in 625 spectroscopically confir…
Evidence for a jet and outflow from Sgr A*: a continuum and spectral line study
F. Yusef-Zadeh, M. Royster, M. Wardle +4
We study the environment of Sgr A* using spectral and continuum observations with the ALMA and VLA. Our analysis of sub-arcsecond H30alpha, H39alpha, H52alpha and H56alpha line emi…
Limits on precursor and afterglow radio emission from a fast radio burst in a star-forming galaxy
Shivani Bhandari, Keith W. Bannister, Emil Lenc +17
We present a new fast radio burst (FRB) at 920 MHz discovered during commensal observations conducted with the Australian Square Kilometre Array Pathfinder (ASKAP) as part of the C…