tauri 8888 Tauri is a spectroscopic binary star located in the constellation of Taurus, The Bull. It is not part of the Taurus constellation out but is within the borders of the constellation. Based on88 Tauri, also known as d Tauri, is a multiple star system in the constellation Taurus. It has an apparent magnitude of about 4.25, meaning that it is visible to the naked eye. Based upon