Star profile
9 Andromedae
Variable starWhat is 9 Andromedae
9 Andromedae sits within the elegant figure of the chained princess, the same constellation that hosts the famous spiral galaxy M31. It is a white A-type variable star, with a surface markedly hotter than the Sun's and a brightness that drifts gently with time. Its light crosses around four hundred and twenty-two years before touching Earth; when it set out, Europe was still in the throes of the religious wars of the seventeenth century.
Where it is and when to see it
9 Andromedae lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is October: 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 9 Andromedae
- Constellation
- Andromeda
- Apparent magnitude
- 5.98
- Distance
- 422.5 light years
- Coordinates (J2000)
- RA 349.597° · Dec 41.774°
- Catalogue
- HIP 115065 · HD 219815
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Andromeda
Andromeda has 81 stars in Stelvia's catalogue. Here are a few of them.
- MirachBeta Andromedae2.07
- AlpheratzAlpha Andromedae2.07
- AlmachGamma 1 Andromedae2.10
- HIP 121815.91
- HIP 84235.94
- 39 Andromedae5.95
- HIP 67115.98
- HIP 45525.99