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HD 177808，又名BD+31 3453，SAO 67782、HR 7237，是一颗恒星，视星等为5.56，位于銀經62.98，銀緯11.26，其B1900.0坐标为赤經19h 1m 9.2s，赤緯+31° 11.26′ 42″。
, HD 177808 is a 6th magnitude star in the c … HD 177808 is a 6th magnitude star in the constellation Lyra, approximately 610 light years away from Earth. It is a solitary red giant star of the spectral type M0III, meaning it possesses a surface temperature of around 3,940 kelvins. It is therefore much larger and brighter than the Sun, yet cooler in comparison.er than the Sun, yet cooler in comparison.
, HD 177808 är en ensam stjärna belägen i de … HD 177808 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Lyran. Den har en skenbar magnitud av ca 5,63 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 5,9 mas, beräknas den befinna sig på ett avstånd på ca 551 ljusår (ca 169 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 3,5 km/s.iocentrisk radialhastighet på ca 3,5 km/s.
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HD 177808，又名BD+31 3453，SAO 67782、HR 7237，是一颗恒星，视星等为5.56，位于銀經62.98，銀緯11.26，其B1900.0坐标为赤經19h 1m 9.2s，赤緯+31° 11.26′ 42″。
, HD 177808 is a 6th magnitude star in the c … HD 177808 is a 6th magnitude star in the constellation Lyra, approximately 610 light years away from Earth. It is a solitary red giant star of the spectral type M0III, meaning it possesses a surface temperature of around 3,940 kelvins. It is therefore much larger and brighter than the Sun, yet cooler in comparison.er than the Sun, yet cooler in comparison.
, HD 177808 är en ensam stjärna belägen i de … HD 177808 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Lyran. Den har en skenbar magnitud av ca 5,63 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 5,9 mas, beräknas den befinna sig på ett avstånd på ca 551 ljusår (ca 169 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 3,5 km/s.iocentrisk radialhastighet på ca 3,5 km/s.
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HD 177808
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