Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

First Observations of SN 1604 (Kepler's Supernova)

Version 1 : Received: 21 October 2021 / Approved: 22 October 2021 / Online: 22 October 2021 (12:11:22 CEST)

A peer-reviewed article of this Preprint also exists.

de Angelis, A.; Broccio, S. First Observations of SN 1604 (Kepler’s Supernova). Universe 2021, 7, 430. de Angelis, A.; Broccio, S. First Observations of SN 1604 (Kepler’s Supernova). Universe 2021, 7, 430.

Journal reference: Universe 2021, 7, 430
DOI: 10.3390/universe7110430

Abstract

A supernova close enough to the Earth is a spectacular event: it can appear as a \new star" as luminous as Venus, or even more, visible for several days. The rate of Galactic supernovae is expected to be of about one in 30 years, with a fraction visible at naked eye; however in all the history of human civilization only seven supernovae in the Milky Way have been reported, the last two (1572 and 1604) during Galilei's life. The supernova of 1604, today called Kepler's Supernova, was observed by Galilei, Kepler and other astronomers in Europe, Korea, and China. Like the supernova SN1572, today called Tycho's supernova, it has been the subject of extensive studies, and inspired observational measurements and philosophical considerations on the nature of the heavens. The remnant of SN1604 has been indicated by recent X- and gamma-ray data to be a likely site of cosmic ray acceleration. The first recorded data of optical observations, together with new data, can still tell us a lot about the early evolution of this supernova.

Keywords

Supernova remnants; Stellar evolution; High-energy astrophysics

Subject

PHYSICAL SCIENCES, Astronomy & Astrophysics

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