OSIRIS-REx Mt. Bigelow Ground Based Bennu Observations V1.0

This data set includes the ECAS system (Eight Color Asteroid Survey) photometry and light curve observations of the asteroid 101955 Bennu as well as the derived light curves. At the time of the observations, September 2005, the asteroid carried the provisional designation 1999 RQ36. Observations were made as a part of the OSIRIS-REx asteroid sample return mission ground observing campaign to characterize potential mission targets. 101955 Bennu was subsequently chosen as the mission target. This particular data set contains observations of 101955 Bennu and a series of 5 standard stars taken at the University of Arizona Observatories Kuiper 1.54-m reflector.

本数据集涵盖小行星101955贝努（101955 Bennu）的ECAS系统（Eight Color Asteroid Survey，八色小行星巡天）测光与光变曲线观测数据，以及经推导得到的衍生光变曲线。观测开展于2005年9月，当时该小行星的临时编号为1999 RQ36。本次观测作为奥西里斯-REx（OSIRIS-REx）小行星样本返回任务地面观测项目的一部分，旨在对潜在任务候选目标进行特性表征。该小行星后续被选定为该任务的目标天体。本数据集包含小行星101955贝努的观测数据，以及在亚利桑那大学天文台柯伊伯1.54米反射望远镜上获取的5颗标准星的观测数据。