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hip-12489
Its story
33 Arietis shines as a white A-class star in the head of the Ram, around 232 light-years away. Its near-pure hydrogen atmosphere makes it markedly hotter than the Sun and lends it a clean, cold glint, just perceptible at magnitude 5.3 under unspoiled skies. The light arriving tonight left that surface near the end of the 18th century, when Charles Messier was completing his catalogue of fuzzy objects.
- Constellation
- Aries
- Apparent magnitude
- 5.30
- Distance
- 231.5 light years
- Coordinates (J2000)
- RA 40.171° · Dec 27.061°
- Catalogue
- HIP 12489 · HD 16628
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