40 Boo
40 Boo
40 Boo is a F-type (Yellow-White) star. It carries the designation 40 Boo.
Located approximately 167.9 light-years from Earth, 40 Boo resides within the broader disk of our Milky Way galaxy.
40 Boo is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.64, 40 Boo 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 white hue, which corresponds to a B-V color index of +0.336.
Physical Properties
| Spectral Class | Class F — F-type (Yellow-White) |
| Color Index (B−V) | 0.336 |
Observation
| Apparent Magnitude | +5.64 |
| Absolute Magnitude | 2.08 |
| Distance | 168 ly |
Position
| Right Ascension | 14h 59.62m |
| Declination | 39° 15.92′ |
Frequently Asked Questions
What type of star is 40 Boo?
40 Boo is a Class F — F-type (Yellow-White) star.
How far is 40 Boo from Earth?
40 Boo is approximately 168.0 light-years from Earth.
Can you see 40 Boo with the naked eye?
With an apparent magnitude of 5.64, 40 Boo is visible to the naked eye.