2 Lac
2 Lac
2 Lac is a B-type (Blue-White) star. It carries the designation 2 Lac.
Located approximately 554.7 light-years from Earth, 2 Lac resides within the broader disk of our Milky Way galaxy.
2 Lac is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.55, 2 Lac 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 -0.100.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.100 |
Observation
| Apparent Magnitude | +4.55 |
| Absolute Magnitude | -1.60 |
| Distance | 555 ly |
Position
| Right Ascension | 22h 21.03m |
| Declination | 46° 32.19′ |
Frequently Asked Questions
What type of star is 2 Lac?
2 Lac is a Class B — B-type (Blue-White) star.
How far is 2 Lac from Earth?
2 Lac is approximately 554.7 light-years from Earth.
Can you see 2 Lac with the naked eye?
With an apparent magnitude of 4.55, 2 Lac is visible to the naked eye.