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Pi
Hot blue starIts story
Pi Centauri is a blue binary in the Centaur, ruled by a B5 main-sequence star spinning at 340 km per second —so fast its equator bulges 22% over its poles. At 360 light-years, it radiates 783 suns from a surface near 17,000 K. The «n» tag in its classification says it all: spectral lines so smeared by rotation that they look diffuse, almost nebulous.
- Constellation
- Centaurus
- Apparent magnitude
- 3.90
- Distance
- 357.7 light years
- Coordinates (J2000)
- RA 170.252° · Dec -54.491°
- Catalogue
- HIP 55425 · HD 98718
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