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Star profile

HIP 3478

Hot blue star
3D likeness based on its real data · class B · ~15,000 K

What is HIP 3478

At 623 light-years, in the mythological W of Cassiopeia, burns a class B blue star whose light set out toward the end of the fourteenth century, when Geoffrey Chaucer was writing the «Canterbury Tales». It belongs to a young, fierce stellar breed — tens of thousands of degrees at the surface, pouring out a blue-white light that betrays its power. It guards a regal profile in the northern autumn sky.

Where it is and when to see it

HIP 3478 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.

Find it on the sky map

It opens in your browser. Free, no account, nothing to install.

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

If you don't have an account yet, we'll ask for an email to confirm it's you: we send you a link and that's it, no password.

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 3478

Constellation
Cassiopeia
Apparent magnitude
5.66
Distance
623.7 light years
Coordinates (J2000)
RA 11.109° · Dec 47.864°
Catalogue
HIP 3478 · HD 4142

A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.

Other stars in Cassiopeia

Cassiopeia has 93 stars in Stelvia's catalogue. Here are a few of them.

See all 93 stars in Cassiopeia