HIP 21690
HIP 21690 is a A-type (White) star located in the constellation Perseus.
Located approximately 654.9 light-years from Earth, HIP 21690 resides within the broader disk of our Milky Way galaxy.
HIP 21690 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21690 has an apparent magnitude of +9.14, 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-white hue, which corresponds to a B-V color index of +0.259.
Đặc tính vật lý
| Phân Loại Quang Phổ | A Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,259 |
Quan sát
| Cấp Sao Biểu Kiến | +9.14 |
| Cấp Sao Tuyệt Đối | 2,63 |
| Khoảng Cách | 655 ly |
| Chòm Sao | Perseus |
Vị trí
| Xích kinh | 4h 39,40m |
| Xích vĩ | 40° 31,18′ |
Frequently Asked Questions
What type of star is HIP 21690?
HIP 21690 is a Class A — A-type (White) star.
How far is HIP 21690 from Earth?
HIP 21690 is approximately 654.9 light-years from Earth.
Can you see HIP 21690 with the naked eye?
With an apparent magnitude of 9.14, HIP 21690 is not visible to the naked eye.
What constellation is HIP 21690 in?
HIP 21690 is located in the constellation Perseus.