VRIZJHK photometry around Alpha Cen

Thanks to its proximity, alpha Centauri is an outstanding target for an imaging search for extrasolar planets. We searched for faint comoving companions to alpha Cen located at...鉴于其与地球的距离极近，半人马座α星（Alpha Centauri）是开展系外行星（extrasolar planets）成像搜寻的绝佳目标。我们针对半人马座α星（下文简称α Cen）周围的微弱共动伴星展开了搜寻，搜寻范围覆盖……