18 Sco

18 Sco

18 Sco is a G-type (Yellow) star located in the constellation Scorpius. It carries the designation 18 Sco.

18 Sco lies approximately 45.3 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 45 years ago.

18 Sco is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.

With an apparent magnitude of +5.49, 18 Sco sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.652.

Physical Properties

Spectral Class Class G — G-type (Yellow)
Color Index (B−V) 0.652

Observation

Apparent Magnitude +5.49
Absolute Magnitude 4.78
Distance 45.3 ly
Constellation Scorpius

Position

Right Ascension 16h 15.62m
Declination -8° 22.17′

Frequently Asked Questions

What type of star is 18 Sco?
18 Sco is a Class G — G-type (Yellow) star.
How far is 18 Sco from Earth?
18 Sco is approximately 45.3 light-years from Earth.
Can you see 18 Sco with the naked eye?
With an apparent magnitude of 5.49, 18 Sco is visible to the naked eye.
What constellation is 18 Sco in?
18 Sco is located in the constellation Scorpius.