Skip to main content
Stelvia
Back to the selector

Star profile

HIP 77858

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

What is HIP 77858

In the stinger of the Scorpion burns a class B sapphire whose light crossed 420.4 years to reach us. It departed around 1605, the year Cervantes published the first part of Don Quixote and opened a new era for the European novel. A blue surface, intense, far hotter than the solar one —a high note in the basso continuo of the firmament.

Where it is and when to see it

HIP 77858 lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is May, when it culminates around midnight.

  • From London it culminates about 14° above the horizon.
  • From New York it culminates about 25° above the horizon.
  • From Sydney it culminates about 81° above the horizon.

It can be seen from anywhere south of 65° N.

It ranks no. 51 in brightness among the 104 stars of Scorpius in our catalogue. To find it, start from Antares, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).

The light you see today left it about 420 years ago.

Find it on the sky map

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

Leave your signature on HIP 77858

Your name and a message go up on the map for everyone to read. Signing is free.

Without a lock, someone else can replace your signature. How the lock works

We'll ask for an email to confirm it's you, 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 77858

Constellation
Scorpius
Apparent magnitude
5.38
Distance
420.4 light years
Coordinates (J2000)
RA 238.475° · Dec -24.533°
Catalogue
HIP 77858 · HD 142165

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

Other stars in Scorpius

Scorpius has 104 stars in Stelvia's catalogue. Here are a few of them.

See all 104 stars in Scorpius