HIP 81309
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HIP 81309 is a M-type (Red) star.
HIP 81309 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 81309 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 81309 has an apparent magnitude of +9.87, 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 red hue, which corresponds to a B-V color index of +1.500.
物理的特性
| スペクトル型 | M Class M — M-type (Red) |
| 色指数 (B−V) | 1.500 |
観測
| 見かけの等級 | +9.87 |
| 絶対等級 | -10.13 |
| 距離 | 326,156 ly |
位置
| 赤経 | 16h 36.41m |
| 赤緯 | -55° 24.89′ |
Frequently Asked Questions
What type of star is HIP 81309?
HIP 81309 is a Class M — M-type (Red) star.
How far is HIP 81309 from Earth?
HIP 81309 is approximately 326,156.0 light-years from Earth.
Can you see HIP 81309 with the naked eye?
With an apparent magnitude of 9.87, HIP 81309 is not visible to the naked eye.