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英仙座36，又名BD+45 778，HD 21770、SAO 38924、HR 1069，是英仙座的一颗恒星，视星等为5.31，位于銀經149.87，銀緯-8.22，其B1900.0坐标为赤經3h 25m 30.4s，赤緯+45° -8.22′ 5″。
, 36 Persei is a solitary, variable star loc … 36 Persei is a solitary, variable star located 121 light years away from the Sun in the northern constellation of Perseus. It is visible to the naked eye as a dim, yellow-white hued point of light with a baseline apparent visual magnitude of 5.32. The star is drifting closer to the Sun with a heliocentric radial velocity of −47.5 km/s, and may come as close as 36.6 light-years in 661,000 years. The stellar classification of 36 Persei is F4III, matching an aging giant star that has used up its core hydrogen. This object is used by astronomers as a spectral standard for stars with a similar class. The star is a suspected variable of unknown type, ranging in visual magnitude from 5.29 down to 5.33, and is a source of X-ray emission. The star is 2.2 billion years old with a projected rotational velocity of 28 km/s. It has an estimated 1.5 times the mass of the Sun and has not yet expanded significantly, having 2.3 times the Sun's girth. The star is radiating 8.6 times the luminosity of the Sun from its photosphere at an effective temperature of 6,546phere at an effective temperature of 6,546
, 36 Persei, som är stjärnans Flamsteed-bete … 36 Persei, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden, Perseus. Den har en högsta skenbar magnitud på ca 5,32 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 26,0 mas, beräknas den befinna sig på ett avstånd på ca 121 ljusår (ca 37 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -48 km/s och kan komma så nära Jorden som 36,6 ljusår om ca 660 000 år. Stjärnan används av astronomer som en standard för stjärnor med liknande spektralklass.d för stjärnor med liknande spektralklass.
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36 Persei is a solitary, variable star loc … 36 Persei is a solitary, variable star located 121 light years away from the Sun in the northern constellation of Perseus. It is visible to the naked eye as a dim, yellow-white hued point of light with a baseline apparent visual magnitude of 5.32. The star is drifting closer to the Sun with a heliocentric radial velocity of −47.5 km/s, and may come as close as 36.6 light-years in 661,000 years.lose as 36.6 light-years in 661,000 years.
, 36 Persei, som är stjärnans Flamsteed-bete … 36 Persei, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden, Perseus. Den har en högsta skenbar magnitud på ca 5,32 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 26,0 mas, beräknas den befinna sig på ett avstånd på ca 121 ljusår (ca 37 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -48 km/s och kan komma så nära Jorden som 36,6 ljusår om ca 660 000 år. Stjärnan används av astronomer som en standard för stjärnor med liknande spektralklass.d för stjärnor med liknande spektralklass.
, 英仙座36，又名BD+45 778，HD 21770、SAO 38924、HR 1069，是英仙座的一颗恒星，视星等为5.31，位于銀經149.87，銀緯-8.22，其B1900.0坐标为赤經3h 25m 30.4s，赤緯+45° -8.22′ 5″。
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天船增五
, 36 Persei
|
