SDSS、LSST和盖亚：经验教训和协同作用
SDSS, LSST, and Gaia: Lessons and Synergies
摘要：
以斯隆数字巡天（SDSS）为代表的深度、广度、精确的数字测光测量的出现对银河系的研究产生了深远的影响。在过去的十年中，我们已经从稀缺过渡到（过度）丰富的精确，校准良好，对银河系大部分恒星的观测。数据的雪崩将在这十年中继续，最终以盖亚和LSST而告终。这一新的现实将需要在方法、习惯和期望方面进行改变，无论是在大型调查项目方面还是在整个天体物理学界。我们认为，根据SDSS的经验，调查应尽早发布数据，并尽可能经常地在每次后续发布中纳入增量改进，而不是推迟到一个单一的，大的，最终的发布。科学界将需要通过进行分析和（重新分析）来做出回应，这些分析和（重新分析）适合于所发布数据的当前保真度，理解这些是不断发展和改进的产品。
英文摘要：
The advent of deep, wide, accurate, digital photometric surveys exemplified by the Sloan Digital Sky Survey (SDSS) has had a profound impact on studies of the Milky Way. In the past decade, we have transitioned from a scarcity to an (over)abundance of precise, well calibrated, observations of stars over a large fraction of the Galaxy. The avalanche of data will continue throughout this decade, culminating with Gaia and LSST. This new reality will necessitate changes in methodology, habits, and expectations both on the side of the large survey projects as well as the astrophysics community at large. We argue, based on the experience with SDSS, that surveys should release data as early and often as possible incorporating incremental improvements in each subsequent release, as opposed to holding off for a single, big, final release. The scientific community will need to reciprocate by performing analyses and (re-analyses) appropriate to the current fidelity of the released data, understanding that these are continually evolving and improving products.
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