HD 193373
HD 193373 (HR 7771) is a solitary red hued star located in the equatorial constellation Delphinus. It has an apparent magnitude of 6.21, placing it near the limit for naked eye visibility. Parallax measurements place it 846 light years distant and it is currently receding with a heliocentric radial velocity of . This is an asymptotic giant branch star with a stellar classification of M1 III. In its current state, the object is fusing hydrogen and helium shells around an inert carbon core. HR 7771 has 177% the mass of the Sun but has expanded to an enlarged radius of . It radiates at 592 times the luminosity of the Sun from its photosphere at an effective temperature of , giving a red hue. HD 193373 has an iron abundance 120% that of the Sun, making it slightly metal enriched. References

M-type giants
Asymptotic-giant-branch stars
BD+12 04289
193373
100208
7771
Delphinus