3 Sco
3 Sco
3 Sco is a B-type (Blue-White) star located in the constellation Scorpius. It carries the designation 3 Sco.
Located approximately 515.2 light-years from Earth, 3 Sco resides within the broader disk of our Milky Way galaxy.
3 Sco is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.87, 3 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 blue hue, which corresponds to a B-V color index of -0.065.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.065 |
Observation
| Apparent Magnitude | +5.87 |
| Absolute Magnitude | -0.12 |
| Distance | 515 ly |
| Constellation | Scorpius |
Position
| Right Ascension | 15h 54.66m |
| Declination | -25° 14.62′ |
Frequently Asked Questions
What type of star is 3 Sco?
3 Sco is a Class B — B-type (Blue-White) star.
How far is 3 Sco from Earth?
3 Sco is approximately 515.2 light-years from Earth.
Can you see 3 Sco with the naked eye?
With an apparent magnitude of 5.87, 3 Sco is visible to the naked eye.
What constellation is 3 Sco in?
3 Sco is located in the constellation Scorpius.