HIP 81551
HIP 81551 is a K-type (Orange) star located in the constellation Hercules.
HIP 81551 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 81551 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 81551 has an apparent magnitude of +8.16, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its red hue, which corresponds to a B-V color index of +1.610.
Physical Properties
| Spectral Class | Class K — K-type (Orange) |
| Color Index (B−V) | 1.610 |
Observation
| Apparent Magnitude | +8.16 |
| Absolute Magnitude | -11.84 |
| Distance | 326,156 ly |
| Constellation | Hercules |
Position
| Right Ascension | 16h 39.34m |
| Declination | 35° 31.93′ |
Frequently Asked Questions
What type of star is HIP 81551?
HIP 81551 is a Class K — K-type (Orange) star.
How far is HIP 81551 from Earth?
HIP 81551 is approximately 326,156.0 light-years from Earth.
Can you see HIP 81551 with the naked eye?
With an apparent magnitude of 8.16, HIP 81551 is not visible to the naked eye.
What constellation is HIP 81551 in?
HIP 81551 is located in the constellation Hercules.