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Xi
Hot blue starIts story
ξ Cassiopeiae appears among the five stars that form Cassiopeia's W, more than 1,400 light-years away. It is a long-period spectroscopic binary —940 days— in which the visible star is a young blue main-sequence object of ten solar masses, barely 19 million years old. It spins at 139 km/s, all but forced to do so by its hot youth.
- Constellation
- Cassiopeia
- Apparent magnitude
- 4.80
- Distance
- 1430.7 light years
- Coordinates (J2000)
- RA 10.516° · Dec 50.513°
- Catalogue
- HIP 3300 · HD 3901
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