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Sunday, July 29, 2018

GK Persei - Wikipedia
src: upload.wikimedia.org

40 Persei is a class B0.5V (blue main-sequence) star in the constellation Perseus. Its apparent magnitude is 4.97 and it is approximately 1060 light years away based on parallax.

It is a binary star, with component B having magnitude 10.04, separation 19.8", and type A1Vn.


Video 40 Persei



References

Source of article : Wikipedia