HIP 21840
HIP 21840 is a K-type (Orange) star located in the constellation Taurus.
Located approximately 512.8 light-years from Earth, HIP 21840 resides within the broader disk of our Milky Way galaxy.
HIP 21840 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21840 has an apparent magnitude of +8.73, 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 +1.655.
Propriétés physiques
| Classe Spectrale | Class K — K-type (Orange) |
| Indice de couleur (B−V) | 1,655 |
Observation
| Magnitude Apparente | +8.73 |
| Magnitude Absolue | 2,75 |
| Distance | 513 ly |
| Constellation | Taurus |
Position
| Ascension droite | 4h 41,72m |
| Déclinaison | 22° 43,89′ |
Questions fréquentes
What type of star is HIP 21840?
HIP 21840 is a Class K — K-type (Orange) star.
How far is HIP 21840 from Earth?
HIP 21840 is approximately 512.8 light-years from Earth.
Can you see HIP 21840 with the naked eye?
With an apparent magnitude of 8.73, HIP 21840 is not visible to the naked eye.
What constellation is HIP 21840 in?
HIP 21840 is located in the constellation Taurus.