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Tycho's Star

Overview page. Subjects: Astronomy and Astrophysics.

A supernova in Cassiopeia that appeared in 1572 November, and was extensively studied by Tycho Brahe. The maximum magnitude was −4, and the star remained visible until 1574 April–May. The...

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Searching for a Companion Star of Tycho’s Type Ia Supernova with Optical Spectroscopic Observations

Yutaka Ihara, Jin Ozaki, Mamoru Doi, Toshikazu Shigeyama, Nobunari Kashikawa, Yutaka Komiyama and Takashi Hattori.

in Publications of the Astronomical Society of Japan

August 2007; p ublished online August 2007 .

Journal Article. Subjects: Stars; Interstellar Medium. 7383 words.

We report on our first results of photometric and spectroscopic observations for Tycho’s supernova remnant (SNR Tycho) to search for the companion star of a type Ia supernova. From...

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