15 Arietis [SEP] constellation
15 Arietis
15 Arietis (abbreviated 15 Ari) is a single variable star in the northern constellation of Aries. "15 Arietis" is the Flamsteed designation; it also bears the variable star designation AV Arietis. It has an apparent visual magnitude of 5.74, which is just bright enough to be visible to the naked eye from dark suburban skies. An annual parallax shift of 5.84 mas corresponds to a physical distance of approximately from Earth. At that distance, the star's brightness is reduced by 0.33 in magnitude because
Sea Fleet, North (Bei, 北) for North Sea Fleet, and South (Nan, 南) for South Sea Fleet. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention. Specification:
- Length (m): 45.7
- Beam (m): 9.5
- Draft (m): 4.6
- Standard displacement (t): 795
- Full displacement (t): 890
- Speed (kn): 11
- Rang