HIP 21720
HIP 21720 is a A-type (White) star.
HIP 21720 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21720 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21720 has an apparent magnitude of +8.93, 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 +0.215.
Đặc tính vật lý
| Phân Loại Quang Phổ | A Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,215 |
Quan sát
| Cấp Sao Biểu Kiến | +8.93 |
| Cấp Sao Tuyệt Đối | -11,07 |
| Khoảng Cách | 326,156 ly |
Vị trí
| Xích kinh | 4h 39,79m |
| Xích vĩ | 66° 52,08′ |
Frequently Asked Questions
What type of star is HIP 21720?
HIP 21720 is a Class A — A-type (White) star.
How far is HIP 21720 from Earth?
HIP 21720 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21720 with the naked eye?
With an apparent magnitude of 8.93, HIP 21720 is not visible to the naked eye.