Tau Cygni system
From Peace Station Encyclopedia
Jump to navigationJump to searchTau Cygni (τ Cyg) is a binary star system.
The main star, GJ 822.1 A, is a yellowish white subgiant star of the spectral type F2IV. It therefore has a surface temperature of 6,000 to 7,500 K. Its companion GJ 822.1 B, is a yellow main sequence star of the spectral type G0V. It is similar to our Sun in size, surface temperature, and luminosity.