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Star profile

18 Sextantis

3D likeness based on its real data · class K · ~4,200 K

What is 18 Sextantis

18 Sextantis lies about 473 light-years away within Sextans, a small, modest constellation drawn by Hevelius in the seventeenth century as a tribute to the instrument he most relied upon. As a K-class star, its light is orange and calm, marking a surface cooler than the Sun s. The radiation reaching us tonight left around 1550, in the heart of the Italian Renaissance.

Where it is and when to see it

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

  • From London it culminates about 30° above the horizon.
  • From New York it culminates about 41° above the horizon.
  • From Sydney it culminates about 65° above the horizon.

It can be seen from anywhere south of 82° N.

It ranks no. 7 in brightness among the 17 stars of Sextans in our catalogue. To find it, start from Alpha Sextantis, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).

The light you see today left it about 470 years ago.

Find it on the sky map

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Leave your signature on 18 Sextantis

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 18 Sextantis

Constellation
Sextans
Apparent magnitude
5.64
Distance
473.4 light years
Coordinates (J2000)
RA 152.733° · Dec -8.418°
Catalogue
HIP 49865 · HD 88333

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

Other stars in Sextans

Sextans has 17 stars in Stelvia's catalogue. Here are a few of them.

See all 17 stars in Sextans