BVRI photometry of HR 1105

BVRI photometry of the extrinsic S star HR 1105 shows a stable periodic light variability with a period of 24.76 days superimposed upon long term changes presumably related to...外禀S型星（extrinsic S star）HR 1105的BVRI测光（BVRI photometry）结果显示，该天体存在周期为24.76天的稳定周期性光变，该光变叠加于推测与……相关的长期光度变化之上。