HIP 21721
HIP 21721 is a F-type (Yellow-White) star.
Located approximately 372.3 light-years from Earth, HIP 21721 resides within the broader disk of our Milky Way galaxy.
HIP 21721 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
HIP 21721 has an apparent magnitude of +9.32, 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 white hue, which corresponds to a B-V color index of +0.554.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | F Class F — F-type (Yellow-White) |
| ดัชนีสี (B−V) | 0.554 |
การสังเกต
| โชติมาตรปรากฏ | +9.32 |
| โชติมาตรสัมบูรณ์ | 4.03 |
| ระยะทาง | 372 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 39.81m |
| เดคลิเนชัน | -78° 48.42′ |
Frequently Asked Questions
What type of star is HIP 21721?
HIP 21721 is a Class F — F-type (Yellow-White) star.
How far is HIP 21721 from Earth?
HIP 21721 is approximately 372.3 light-years from Earth.
Can you see HIP 21721 with the naked eye?
With an apparent magnitude of 9.32, HIP 21721 is not visible to the naked eye.