--- name: τ Oph constellation: Oph created_by: 8mag created_date: 2022-01-21 17:00:00 updated_by: skybber updated_date: 2022-02-10 16:56:30.177615 --- a binary star that is made up of a nice but close pair of yellow stars of 5.2mag and 5.9mag brightness, with a period of 280 years. They are currently about 1.7" apart, but getting smaller. At a distance of 100" we can find a companion bright 9.3mag.