This system is dimly visible to the naked eye with a combined apparent visual magnitude of 5.76, although is a suspected variable star of unknown type with a magnitude that has been reported to vary between 5.74 and 5.86. HD 171978 is located at a distance of approximately 537 light-years from the Sun based on parallax, and is drifting further away with a barycentric radial velocity of +11.4 km/s.
This system is faintly perceptible to the naked eye, with a combined apparent visual magnitude of 5.76. It is suspected to be a variable star of an unknown type, with its brightness reported to fluctuate between 5.74 and 5.86. HD 171978 is located at a distance of approximately 537 light-years from the Sun based on parallax, and it is moving away from us at a rate of +11.4 km/s.