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hip-5589
Variable starIts story
32 Cassiopeiae —also known as RU Cassiopeiae for its variability— is a B9 subgiant 388 light-years away in the W of Cassiopeia, the unmistakable asterism that wheels eternally around the northern celestial pole. Its surface, far hotter than the Sun's, radiates the blue-white tone typical of young, massive stars. Its brightness shifts in a subtle pattern that only specialised observatories can record with precision.
- Constellation
- Cassiopeia
- Apparent magnitude
- 5.57
- Distance
- 388.3 light years
- Coordinates (J2000)
- RA 17.922° · Dec 65.019°
- Catalogue
- HIP 5589 · HD 6972
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