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Dust Production and Particle Acceleration in Supernova 1987A Revealed with ALMA
R. Indebetouw, M. Matsuura, E. Dwek +23
Supernova (SN) explosions are crucial engines driving the evolution of galaxies by shock heating gas, increasing the metallicity, creating dust, and accelerating energetic particle…
The radio remnant of Supernova 1987A at high frequencies and high resolution
G. Zanardo, L. Staveley-Smith, C. -Y. Ng +4
As the remnant of Supernova (SN) 1987A has been getting brighter over time, new observations at high frequencies have allowed imaging of the radio emission at unprecedented detail.…
Radio Observations of Supernova 1987A
L. Staveley-Smith, T. M. Potter, G. Zanardo +2
Supernovae and their remnants are believed to be prodigious sources of Galactic cosmic rays and interstellar dust. Understanding the mechanisms behind their surprisingly high produ…
Evolution of the Radio Remnant of Supernova 1987A: Morphological Changes from Day 7000
C. -Y. Ng, G. Zanardo, T. M. Potter +4
We present radio imaging observations of supernova remnant 1987A at 9 GHz, taken with the Australia Telescope Compact Array over 21 years from 1992 to 2013. By employing a Fourier…
Carbon Monoxide in the Cold Debris of Supernova 1987A
J. Kamenetzky, R. McCray, R. Indebetouw +27
We report spectroscopic and imaging observations of rotational transitions of cold CO and SiO in the ejecta of SN1987A, the first such emission detected in a supernova remnant. In…
High-resolution radio observations of SNR 1987A at high frequencies
Giovanna Zanardo, L. Staveley-Smith, C. -Y. Ng +4
We present new imaging observations of the remnant of Supernova (SN) 1987A at 44 GHz, performed in 2011 with the Australia Telescope Compact Array (ATCA). The $0\farcs35\times0\far…