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12 papers · 1 filter
Taking a break: paused accretion in the symbiotic binary RT Cru
A. Pujol, G. J. M. Luna, K. Mukai +10
Symbiotic binaries sometimes hide their symbiotic nature for significant periods of time. There is mounting observational evidence that in those symbiotics that are powered solely…
The early afterglow of GRB 190829A
S. Dichiara, E. Troja, V. Lipunov +19
GRB 190829A at z=0.0785 is the fourth closest long GRB ever detected by the Neil Gehrels Swift observatory, and the third confirmed case with a very high energy component. We prese…
Spectropolarimetry and photometry of the early afterglow of the gamma-ray burst GRB191221B
D. A. H. Buckley, S. Bagnulo, R. J. Britto +27
We report on results of spectropolarimetry of the afterglow of the long gamma-ray burst GRB 191221B, obtained with SALT/RSS and VLT/FORS2, as well as photometry from two telescopes…
Optical Observations Reveal Strong Evidence for High Energy Neutrino Progenitor
V. M. Lipunov, V. G. Kornilov, K. K. Zhirkov +32
We present the earliest astronomical observation of a high energy neutrino error box in which its variability was discovered after high-energy neutrinos detection. The one robotic…
Ill-posedness of the mean-field dynamo equations with a linear electromotive force
Marcelo E. Rubio, Federico A. Stasyszyn
We show that the initial-value problem for the non-relativistic magnetic dynamo equation turns out to be ill-posed when the electromotive force depends linearly on the magnetic fie…
Radio Emission from Interstellar Shocks: Young Type Ia Supernova Remnants and the Case of N 103B in the Large Magellanic Cloud
R. Z. E. Alsaberi, L. A. Barnes, M. D. Filipovic +19
Here we present a radio continuum study based on new and archival data from the Australia Telescope Compact Array towards N 103B, a young (<=1000 yrs) spectroscopically confirmed t…