HD 180262 is one member of a wide double star in the equatorial constellation of Aquila. The pair have a combined apparent visual magnitude of 5.57, which is bright enough to be dimly visible to the naked eye. Based on a parallax shift of , it is located at a distance of . It is drifting closer with a line of sight velocity component of −25 km/s.
The pair have an angular separation of as of 2008. The dual nature was discovered by Otto Struve and reported in 1875. HD 180262 has a visual magnitude of 5.75 and a stellar classification of G8II-III. It is presenting as an evolved giant star that has exhausted the supply of hydrogen at its core. With four times the mass of the Sun, the star has expanded to 24 times the Sun's radius. It is radiating 257 times the luminosity of the Sun from its photosphere at an effective temperature of 4,910 K.
The secondary is HD 180243, an ordinary A-type main-sequence star with a class of A1V. It is two magnitudes fainter than HD 180262, with a visual magnitude of 7.69.
References
External links HR 7300 CCDM 19153+1505