30 Gem
30 Gem
30 Gem is a K-type (Orange) star located in the constellation Gemini. It carries the designation 30 Gem.
Located approximately 288.9 light-years from Earth, 30 Gem resides within the broader disk of our Milky Way galaxy.
30 Gem is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +4.49, 30 Gem sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its orange hue, which corresponds to a B-V color index of +1.167.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class K — K-type (Orange) |
| Chỉ số màu (B−V) | 1,167 |
Quan sát
| Cấp Sao Biểu Kiến | +4.49 |
| Cấp Sao Tuyệt Đối | -0,25 |
| Khoảng Cách | 289 ly |
| Chòm Sao | Gemini |
Vị trí
| Xích kinh | 6h 43,99m |
| Xích vĩ | 13° 13,68′ |
Câu hỏi thường gặp
What type of star is 30 Gem?
30 Gem is a Class K — K-type (Orange) star.
How far is 30 Gem from Earth?
30 Gem is approximately 288.9 light-years from Earth.
Can you see 30 Gem with the naked eye?
With an apparent magnitude of 4.49, 30 Gem is visible to the naked eye.
What constellation is 30 Gem in?
30 Gem is located in the constellation Gemini.