1 Sco

1 Sco

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1 Sco is a B-type (Blue-White) star located in the constellation Scorpius. It carries the designation 1 Sco.

Located approximately 494.9 light-years from Earth, 1 Sco resides within the broader disk of our Milky Way galaxy.

1 Sco is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

With an apparent magnitude of +4.63, 1 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 -0.072.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.072

Observation

Apparent Magnitude +4.63
Absolute Magnitude -1.28
Distance 495 ly
Constellation Scorpius

Position

Right Ascension 15h 50.98m
Declination -25° 45.08′

Frequently Asked Questions

What type of star is 1 Sco?
1 Sco is a Class B — B-type (Blue-White) star.
How far is 1 Sco from Earth?
1 Sco is approximately 494.9 light-years from Earth.
Can you see 1 Sco with the naked eye?
With an apparent magnitude of 4.63, 1 Sco is visible to the naked eye.
What constellation is 1 Sco in?
1 Sco is located in the constellation Scorpius.