Star profile
HIP 42028
What is HIP 42028
In Hydra, the winding serpent stretching over a quarter of the sky, shines this white A-type star, dominated by hot hydrogen. Its light set out 295 years ago, around 1729, when James Bradley was discovering stellar aberration and confirming Earth's motion. Hotter and more luminous than the Sun, its crisp glow lends the longest constellation of the firmament a point of almost crystalline white purity.
Where it is and when to see it
HIP 42028 lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January: 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 42028
- Constellation
- Hydra
- Apparent magnitude
- 5.80
- Distance
- 294.7 light years
- Coordinates (J2000)
- RA 128.507° · Dec -2.152°
- Catalogue
- HIP 42028 · HD 72660
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Hydra
Hydra has 121 stars in Stelvia's catalogue. Here are a few of them.
- AlphardAlpha Hydrae1.99
- Gamma Hydrae2.99
- Zeta Hydrae3.11
- 48 Hydrae5.77
- HIP 457435.79
- HIP 545615.79
- HIP 440755.80
- HIP 665635.81