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Pi
Hot blue starIts story
Pi Arietis is a blue main-sequence star of type B6V, surface temperature above 13,000 kelvin and around 538 times the Sun's luminosity. It is also a tight spectroscopic binary whose components circle one another every 3.85 days, too close to be split by any telescope. At about 780 light-years it shines with a blue-white light among the horns of the zodiacal Ram.
- Constellation
- Aries
- Apparent magnitude
- 5.26
- Distance
- 780.4 light years
- Coordinates (J2000)
- RA 42.323° · Dec 17.464°
- Catalogue
- HIP 13165 · HD 17543
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