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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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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...

See overview in Oxford Index

Tycho’s Star

Edited by Ian Ridpath.

in A Dictionary of Astronomy

P ublished online February 2018 .

Reference Entry. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques; Galaxies. 63 words.

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 ...

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Tycho's Star and the supernovae of <i>Uranographia Britannica</i>

Kevin J Kilburn.

in Astronomy & Geophysics

April 2001; p ublished online April 2001 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 2088 words.

The discovery in the library of Manchester Astronomical Society of a first impression of John Bevis's Uranographia Britannica has led to a reappraisal of these early observations. In...

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Tycho's Star

Ian Ridpath.

in A Dictionary of Astronomy

January 2012; p ublished online January 2012 .

Reference Entry. Subjects: Astronomy and Astrophysics. 63 words.

A supernova in Cassiopeia that appeared in 1572 November, and was extensively studied by Tycho *Brahe. 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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Brahe, Tycho (1546–1601)

Elizabeth Martin.

in The New Oxford Dictionary for Scientific Writers and Editors

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Language Reference. 10 words.

(1546–1601)

Danish astronomer.

Tychonic system

Tycho's star

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Tycho-B: an unlikely companion for SN 1572

W E Kerzendorf, Knox S Long, P Frank Winkler and Tuan Do.

in Monthly Notices of the Royal Astronomical Society

P ublished online July 2018 .

Journal Article. Subjects: Astronomy and Astrophysics. 4029 words.

ABSTRACT

If some or all Type Ia SNe arise from accretion onto a massive WD from a companion, then the companion will remain in some form after the SN...

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David Fabricius

Overview page. Subjects: Astronomy and Astrophysics.

(1564–1617)

Germanastronomer and priest, originally named Goldschmidt; father of J. Fabricius. He was one of the first telescopic observers. Kepler used observations by Fabricius...

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Cassiopeia

Overview page. Subjects: Astronomy and Astrophysics.

A constellation of the northern sky, representing Queen Cassiopeia of Greek mythology. Its brightest stars are Alpha (Schedar) and Beta Cassiopeiae (Caph). Gamma Cassiopeiae is a shell star...

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Uranometria

Overview page. Subjects: Astronomy and Astrophysics.

The first star atlas to cover the entire sky, published in 1603 by J. Bayer. Each constellation was depicted on a page of its own, with star positions from the catalogues of Ptolemy and...

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Tycho Catalogue

Overview page. Subjects: Astronomy and Astrophysics.

A catalogue published in 1997 containing positions and two-colour photometry of 1 058 332 stars, compiled from observations made by the star-mapping instrument on the Hipparcos satellite....

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WD+MS Systems as Progenitors of Type Ia Supernovae with Different Metallicities

Xiangcun Meng, Wuming Yang and Xuemin Geng.

in Publications of the Astronomical Society of Japan

December 2009; p ublished online December 2009 .

Journal Article. Subjects: Stars. 7467 words.

The single-degenerate model for the progenitors of type Ia supernovae (SNe Ia) is one of the two most popular models, in which a carbon–oxygen white dwarf accretes hydrogen-rich material...

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Francis Baily

Overview page. Subjects: Astronomy and Astrophysics.

(1774–1844) English stockbroker and astronomer. In 1826 he produced a catalogue containing highly accurate positions for 2881 stars. His published account of an annular eclipse he observed...

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Fundamental parameters and infrared excesses of <i>Hipparcos</i> stars

I. McDonald, A. A. Zijlstra and M. L. Boyer.

in Monthly Notices of the Royal Astronomical Society

November 2012; p ublished online November 2012 .

Journal Article. Subjects: Astronomy and Astrophysics. 10390 words.

We derive the fundamental parameters (temperature and luminosity) of 107 619 Hipparcos stars and place these stars on a true Hertzsprung–Russell diagram. This is achieved by comparing bt-se...

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The Crab and the Jellyfish

Nicholas Mee.

in The Cosmic Mystery Tour

January 2019; p ublished online January 2019 .

Chapter. Subjects: History of Science and Technology; Astronomy and Astrophysics. 1248 words.

Supernova explosions have been recorded as guest stars for thousands of years, but their true nature was only revealed in the twentieth century, largely through the work of Baade and...

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The Impact of Type Ia Supernova Explosions on the Companion in a Binary System

Xiangcun Meng, Xuefei Chen and Zhanwen Han.

in Publications of the Astronomical Society of Japan

August 2007; p ublished online August 2007 .

Journal Article. Subjects: Stars. 4764 words.

Using a simple analytic method, we can calculate the impact effect between the ejecta of a SN Ia and its companion to survey the influence of the initial parameters of the progenitor’s...

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The bright-star masks for the HSC-SSP survey

Jean Coupon, Nicole Czakon, James Bosch, Yutaka Komiyama, Elinor Medezinski, Satoshi Miyazaki and Masamune Oguri.

in Publications of the Astronomical Society of Japan

January 2018; p ublished online July 2017 .

Journal Article. Subjects: Cosmology; Galaxies; Astronomical Instrumentation, Methods, and Techniques. 10654 words.

Abstract

We present the procedure to build and validate the bright-star masks for the Hyper-Suprime-Cam Strategic Subaru Proposal (HSC-SSP) survey. To identify...

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Astrographic Catalogue

Overview page. Subjects: Astronomy and Astrophysics.

A series of star catalogues covering the whole sky, obtained from measurements of photographs taken with normal astrographs at many observatories between about 1890 and 1950. It was...

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Hipparcos

Overview page. Subjects: Astronomy and Astrophysics.

An astrometry satellite launched by the European Space Agency in 1989 August. The name is an acronym for High Precision Parallax Collecting Satellite. It measured the position, brightness,...

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Visual limits and the visibility of infinitesimals

Marco Piccolino and Nicholas J. Wade.

in Galileo's Visions

December 2013; p ublished online January 2014 .

Chapter. Subjects: Cognitive Psychology; Neuroscience. 15863 words.

Galileo addressed the visual appearance of small luminous bodies with particular relation to measures of the angular size of stars. By simply using a cord to find the smallest angle capable...

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