BVRI photometry of pre-W UMA binary V642 Virginis
收藏B2FIND2026-03-19 收录
官方服务：
资源简介：
V642Vir is a polar spotted, well-detached, UV Leo-type, low-mass, pre-WUMa (T1~4250K, ~K6V) eclipsing binary. It was observed in 2020 April, May, and June at the Dark Sky...
V642 Vir是一颗带有极斑、宽分离结构的UV狮子座型（UV Leo-type）低质量前武仙座W型（pre-WUMa）食双星，其有效温度约为4250开尔文，光谱型约为K6V。该天体于2020年4月、5月及6月在暗空（Dark Sky）观测场地开展了观测……
