The Search for the Companion Star of Tycho Brahe's 1572 Supernova

Details The Search for the Companion Star of Tycho Brahe's 1572 Supernova The Search for the Companion Star of Tycho Brahe's 1572 Supernova

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ingn....9...20m&link_type=abstract

The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 9, p. 20-25.

Mathematics

Logic

Tycho Sn, Sn 1572, Type Ia Sn, Companion Star

Scientific paper

In recent years, type Ia supernovae (SNe Ia) have been used successfully as cosmological probes of the Universe. However, the nature of their progenitors has remained somewhat of a mystery. It is widely accepted that they represent the disruption of a degenerate object, but there are also numerous progenitor models, but most of these have serious theoretical/observational problems or do not appear to produce sufficient numbers to explain the observed frequency of SNe Ia in our Galaxy. Tycho Brahe's supernova (SN 1572) is one of the only two supernovae observed in our Galaxy that are thought to have been of type Ia as revealed by the light curve, radio emission and X-ray spectra. We have conducted a search for the surviving companion star of SN 1572.

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