HIP 21688
HIP 21688 is a M-type (Red) star.
At a distance of roughly 2,313 light-years, HIP 21688 is a distant star lying deep within the Milky Way galaxy.
HIP 21688 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 21688 has an apparent magnitude of +8.23, 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 +1.476.
Physical Properties
| Spectral Class | Class M — M-type (Red) |
| Color Index (B−V) | 1.476 |
Observation
| Apparent Magnitude | +8.23 |
| Absolute Magnitude | -1.02 |
| Distance | 2,313 ly |
Position
| Right Ascension | 4h 39.38m |
| Declination | -30° 27.40′ |
Frequently Asked Questions
What type of star is HIP 21688?
HIP 21688 is a Class M — M-type (Red) star.
How far is HIP 21688 from Earth?
HIP 21688 is approximately 2,313.2 light-years from Earth.
Can you see HIP 21688 with the naked eye?
With an apparent magnitude of 8.23, HIP 21688 is not visible to the naked eye.