HIP 639
HIP 639 is a G-type (Yellow) star.
Located approximately 645.9 light-years from Earth, HIP 639 resides within the broader disk of our Milky Way galaxy.
HIP 639 is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
HIP 639 has an apparent magnitude of +8.55, 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 yellow hue, which corresponds to a B-V color index of +0.964.
物理的特性
| スペクトル型 | G Class G — G-type (Yellow) |
| 色指数 (B−V) | 0.964 |
観測
| 見かけの等級 | +8.55 |
| 絶対等級 | 2.07 |
| 距離 | 646 ly |
位置
| 赤経 | 0h 7.81m |
| 赤緯 | -11° 7.74′ |
Frequently Asked Questions
What type of star is HIP 639?
HIP 639 is a Class G — G-type (Yellow) star.
How far is HIP 639 from Earth?
HIP 639 is approximately 645.8 light-years from Earth.
Can you see HIP 639 with the naked eye?
With an apparent magnitude of 8.55, HIP 639 is not visible to the naked eye.