Star profile
HIP 55581
What is HIP 55581
Centaurus keeps this white A-class star more than seven hundred light-years away. Its light set out around 1265, during the reign of Alfonso X the Wise in Castile, when Arab astronomical treatises were being translated in Toledo and the Alfonsine Tables were being prepared. Almost eight centuries later, that white glow crosses the centaur's flank and lands in our sensors.
Where it is and when to see it
HIP 55581 lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is April: the Sun sits at the opposite point of the sky and the star culminates around midnight. How high it climbs above the horizon depends on the latitude you watch from.
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The signature wall
Stelvia's sky works like a signature wall: anyone can leave their name and a message on a real star, and that signature goes up on the map for everyone to read. Signing is free.
A signature without a lock can be replaced by someone else's. The lock makes the signature permanent and lets you choose a symbolic name for the star, always shown next to the star's catalogue identifier. How the lock works
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A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for HIP 55581
- Constellation
- Centaurus
- Apparent magnitude
- 5.82
- Distance
- 760.4 light years
- Coordinates (J2000)
- RA 170.784° · Dec -56.779°
- Catalogue
- HIP 55581 · HD 99022
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Centaurus
Centaurus has 174 stars in Stelvia's catalogue. Here are a few of them.
- Rigil KentaurusAlpha 1 Centauri-0.01
- HadarBeta Centauri0.61
- TolimanAlpha 2 Centauri1.35
- HIP 666815.79
- HIP 558495.80
- HIP 652475.81
- HIP 648225.82
- HIP 680795.82