作为盖亚先驱的RAVE：对盖亚RVS有什么期待？
RAVE as a Gaia precursor: what to expect from the Gaia RVS?
摘要：
径向速度实验（英语：Radial Velocity Experiment，缩写：RAVE）是一个大型的银河系光谱恒星巡天。2003-2013年间，在8410- 8795 Å的Ca三重态区域，以R=7500的分辨率积累了483，330颗恒星的574，630条光谱。因此，波长覆盖和分辨率与Gaia RVS的预期相当。RAVE的衍生数据产品包括径向速度，恒星参数，Mg，Al，Si，Ca，Ti，Fe和Ni的化学物质丰度，以及基于8620 ° C弥漫星际带（DIB）的吸收测量。由于超过290000 RAVE目标是从第谷-2目录，RAVE将是一个有趣的原型预期的完整的盖亚数据发布，特别是当结合早期的盖亚数据发布，其中包含天体测量，但尚未恒星参数和丰度。
英文摘要：
The Radial Velocity Experiment (RAVE) is a large wide-field spectroscopic stellar survey of the Milky Way. Over the period 2003-2013, 574,630 spectra for 483,330 stars have been amassed at a resolution of R=7500 in the Ca-triplet region of 8410-8795Å. Wavelength coverage and resolution are thus comparable to that anticipated from the Gaia RVS. Derived data products of RAVE include radial velocities, stellar parameters, chemicals abundances for Mg, Al, Si, Ca, Ti, Fe, and Ni, and absorption measures based on the diffuse interstellar bands (DIB) at 8620Å. Since more than 290000 RAVE targets are drawn from the Tycho-2 catalogue, RAVE will be an interesting prototype for the anticipated full Gaia data releases, in particular when combined with the early Gaia data releases, which contain astrometry but not yet stellar parameters and abundances.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
