Astronomy and Space

Delta1 Tauri

Delta1 Tauri (δ1 Tauri, abbreviated Delta1 Tau, δ1 Tau) is a double star in the zodiac constellation of Taurus. Based upon an annual parallax shift of 20.96 mas as seen from Earth, it is located roughly 156 light-years distant from the Sun. The system is faintly visible to the naked eye with a combined apparent visual magnitude of +3.772. It is considered a member of the Hyades cluster. The two constituents are designated δ1 Tauri A and B. A is itself a binary star with components designated δ1 Tauri Aa (officially named Secunda Hyadum , the traditional name for the entire system) and Ab.

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See also

• ▸70 Aquarii
• ▸Don Ellis
• ▸Galileo project

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