4 Cyg
4 Cyg
4 Cyg is a B-type (Blue-White) star located in the constellation Cygnus. It carries the designation 4 Cyg.
Located approximately 707.5 light-years from Earth, 4 Cyg resides within the broader disk of our Milky Way galaxy.
4 Cyg is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.17, 4 Cyg 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 blue hue, which corresponds to a B-V color index of -0.120.
Đặc tính vật lý
| Phân Loại Quang Phổ | B Class B — B-type (Blue-White) |
| Chỉ số màu (B−V) | -0,120 |
Quan sát
| Cấp Sao Biểu Kiến | +5.17 |
| Cấp Sao Tuyệt Đối | -1,51 |
| Khoảng Cách | 708 ly |
| Chòm Sao | Cygnus |
Vị trí
| Xích kinh | 19h 26,15m |
| Xích vĩ | 36° 19,07′ |
Frequently Asked Questions
What type of star is 4 Cyg?
4 Cyg is a Class B — B-type (Blue-White) star.
How far is 4 Cyg from Earth?
4 Cyg is approximately 707.5 light-years from Earth.
Can you see 4 Cyg with the naked eye?
With an apparent magnitude of 5.17, 4 Cyg is visible to the naked eye.
What constellation is 4 Cyg in?
4 Cyg is located in the constellation Cygnus.