Chalawan
47 UMa
Chalawan is a G-type (Yellow) star located in the constellation Ursa Major. It carries the designation 47 UMa.
Chalawan lies approximately 45.9 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 45 years ago.
Chalawan is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of +5.03, Chalawan 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 yellow-white hue, which corresponds to a B-V color index of +0.624.
Physical Properties
| Spectral Class | Class G — G-type (Yellow) |
| Color Index (B−V) | 0.624 |
Observation
| Apparent Magnitude | +5.03 |
| Absolute Magnitude | 4.29 |
| Distance | 45.9 ly |
| Constellation | Ursa Major |
Position
| Right Ascension | 10h 59.47m |
| Declination | 40° 25.82′ |