40 Aur
40 Aur
40 Aur is a A-type (White) star. It carries the designation 40 Aur.
Located approximately 340.8 light-years from Earth, 40 Aur resides within the broader disk of our Milky Way galaxy.
40 Aur is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.35, 40 Aur 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-white hue, which corresponds to a B-V color index of +0.251.
Physical Properties
| Spectral Class | Class A — A-type (White) |
| Color Index (B−V) | 0.251 |
Observation
| Apparent Magnitude | +5.35 |
| Absolute Magnitude | 0.26 |
| Distance | 341 ly |
Position
| Right Ascension | 6h 6.58m |
| Declination | 38° 28.96′ |
Frequently Asked Questions
What type of star is 40 Aur?
40 Aur is a Class A — A-type (White) star.
How far is 40 Aur from Earth?
40 Aur is approximately 340.8 light-years from Earth.
Can you see 40 Aur with the naked eye?
With an apparent magnitude of 5.35, 40 Aur is visible to the naked eye.