Sao Ngưu Lang
53Alp Aql
Sao Ngưu Lang is a A-type (White) star located in the constellation Aquila. It carries the designation 53Alp Aql.
Sao Ngưu Lang lies approximately 16.7 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 16 years ago.
Sao Ngưu Lang is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
Sao Ngưu Lang has an apparent magnitude of +0.76, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.221.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,221 |
Quan sát
| Cấp Sao Biểu Kiến | +0.76 |
| Cấp Sao Tuyệt Đối | 2,21 |
| Khoảng Cách | 16.7 ly |
| Chòm Sao | Aquila |
Vị trí
| Xích kinh | 19h 50,78m |
| Xích vĩ | 8° 52,10′ |