Common · Knowledge
Theta Serpentis
Multiple star
Theta Serpentis (θ Serpentis, abbreviated Theta Ser, θ Ser) is a binary star in the constellation of Serpens. It is visible to the naked eye with a combined apparent magnitude of 4.0. Based on parallax measurements, it lies about 130 light-years distant.
From Wikipedia
Theta Serpentis (θ Serpentis, abbreviated Theta Ser, θ Ser) is a binary star in the constellation of Serpens. It is visible to the naked eye with a combined apparent magnitude of 4.0. Based on parallax measurements, it lies about 130 light-years distant. The two components are designated Theta Serpentis A (officially named Alya , the traditional name for the entire system), also called Theta1 Serpentis, and B, also called Theta2 Serpentis.
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