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HD 179791 is suspected variable star in the equatorial constellation of Aquila. It is a challenge to see with the naked eye even under good viewing conditions, having an apparent visual magnitude of 6.48. The distance to HD 179791 can be estimated from its annual parallax shift of 5.3 mas, which yields a value of 616 light years. It is moving further from the Earth with a heliocentric radial velocity of +16 km/s. Astrometric measurements of the star show changes in motion that may indicate it is a member of a close binary system.

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  • HD 179791 (en)
  • HD 179791 (it)
  • HD 179791 (sv)
  • HD179791 (uk)
  • HD 179791 (zh)
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  • HD 179791 è una stella bianca nella sequenza principale di magnitudine 6,48 situata nella costellazione dell'Aquila. Dista 598 anni luce dal sistema solare. (it)
  • HD 179791 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Örnen. Den har en skenbar magnitud av ca 6,48 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 5,3 mas, beräknas den befinna sig på ett avstånd på ca 616 ljusår (ca 189 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 16 km/s. Astrometriska mätningar av stjärnan visar förändringar i rörelse som kan tyda på att den ingår i en snäv dubbelstjärna. (sv)
  • HD179791 — хімічно пекулярна зоря спектрального класуA2 й має видиму зоряну величину в смузі V приблизно 6,5.Вона розташована на відстані близько 598,5 світлових років від Сонця. (uk)
  • HD 179791,又名BD+05 4081,SAO 124410、HR 7288,是一颗恒星,视星等为6.49,位于銀經40.39,銀緯-2.42,其B1900.0坐标为赤經19h 8m 48.6s,赤緯+5° -2.42′ 44″。 (zh)
  • HD 179791 is suspected variable star in the equatorial constellation of Aquila. It is a challenge to see with the naked eye even under good viewing conditions, having an apparent visual magnitude of 6.48. The distance to HD 179791 can be estimated from its annual parallax shift of 5.3 mas, which yields a value of 616 light years. It is moving further from the Earth with a heliocentric radial velocity of +16 km/s. Astrometric measurements of the star show changes in motion that may indicate it is a member of a close binary system. (en)
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  • HD 179791 (en)
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absmag v
appmag v
b-v
  • +0.09 (en)
class
  • A3 V (en)
constell
epoch
  • J2000 (en)
p error
parallax
prop mo dec
  • −9.809 (en)
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