HIP 21640
HIP 21640 is a B-type (Blue-White) star.
Located approximately 410.8 light-years from Earth, HIP 21640 resides within the broader disk of our Milky Way galaxy.
HIP 21640 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21640 has an apparent magnitude of +7.27, 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 blue hue, which corresponds to a B-V color index of -0.010.
Propriedades físicas
| Classe Espectral | Class B — B-type (Blue-White) |
| Índice de cor (B−V) | -0,010 |
Observação
| Magnitude Aparente | +7.27 |
| Magnitude Absoluta | 1,77 |
| Distância | 411 ly |
Posição
| Ascensão reta | 4h 38,88m |
| Declinação | -8° 13,49′ |
Perguntas frequentes
What type of star is HIP 21640?
HIP 21640 is a Class B — B-type (Blue-White) star.
How far is HIP 21640 from Earth?
HIP 21640 is approximately 410.8 light-years from Earth.
Can you see HIP 21640 with the naked eye?
With an apparent magnitude of 7.27, HIP 21640 is not visible to the naked eye.