径向速度实验（Rave）的第六个数据释放 - II：出色的大气参数，化学丰度和距离

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径向速度实验（Rave）的第六个数据释放 - II：出色的大气参数，化学丰度和距离

The Sixth Data Release of the Radial Velocity Experiment (RAVE) -- II: Stellar Atmospheric Parameters, Chemical Abundances and Distances

论文作者

Steinmetz, Matthias, Guiglion, Guillaume, McMillan, Paul J., Matijevic, Gal, Enke, Harry, Kordopatis, Georges, Zwitter, Tomaz, Valentini, Marica, Chiappini, Cristina, Casagrande, Luca, Wojno, Jennifer, Anguiano, Borja, Bienayme, Olivier, Bijaoui, Albert, Binney, James, Burton, Donna, Cass, Paul, de Laverny, Patrick, Fiegert, Kristin, Freeman, Kenneth, Fulbright, Jon P., Gibson, Brad K., Gilmore, Gerard, Grebel, Eva K., Helmi, Amina, Kunder, Andrea, Munari, Ulisse, Navarro, Julio F., Parker, Quentin, Ruchti, Gregory R., Recio-Blanco, Alejandra, Reid, Warren, Seabroke, George M., Siviero, Alessandro, Siebert, Arnaud, Stupar, Milorad, Watson, Fred, Williams, Mary E. K., Wyse, Rosemary F. G., Anders, Friedrich, Antoja, Teresa, Bland-Hawthorn, Joss, Bossini, Diego, Garcia, Rafael A., Carrillo, Ismael, Chaplin, William J., Elsworth, Yvonne, Famaey, Benoit, Gerhard, Ortwin, Jofre, Paula, Just, Andreas, Mathur, Savita, Miglio, Andrea, Minchev, Ivan, Monari, Giacomo, Mosser, Benoit, Ritter, Andreas, Rodrigues, Thaise S., Scholz, Ralf-Dieter, Sharma, Sanjib, Sysoliatina, Kseniia

论文摘要

我们介绍了径向速度实验（Rave）的第6和最终数据释放（DR6或FDR）的第2部分，这是对在南半球随机选择的银河恒星的幅度限制（9 <i <12）光谱调查。 RAVE中等分辨率光谱（R〜7500）涵盖了Ca-Striplet区域（8410-8795a），并跨越了从2003年4月12日的狂欢观察开始到2013年4月4日的完整时间范围。 atmospheric parameters, in particular purely spectroscopically derived stellar atmospheric parameters (Teff, log(g), and the overall metallicity), enhanced stellar atmospheric parameters inferred via a Bayesian pipeline using Gaia DR2 astrometric priors, and asteroseismically calibrated stellar atmospheric parameters for giant stars based on asteroseismic observations for 699 K2 stars.此外，我们还提供了元素Fe，al和ni的丰度，以及使用基于Gauguin优化方法获得的新管道获得的总体[alpha/fe]比率，该方法能够处理可变的信号噪声比率。 Rave DR6目录与相关的星形和光度表目录交叉匹配，并以轨道参数和基于红外通量方法的有效温度进行补充。可以通过Rave网站（http://rave-survey.org）或Vizier数据库访问数据。

We present part 2 of the 6th and final Data Release (DR6 or FDR) of the Radial Velocity Experiment (RAVE), a magnitude-limited (9<I<12) spectroscopic survey of Galactic stars randomly selected in the southern hemisphere. The RAVE medium-resolution spectra (R~7500) cover the Ca-triplet region (8410-8795A) and span the complete time frame from the start of RAVE observations on 12 April 2003 to their completion on 4 April 2013. In the second of two publications, we present the data products derived from 518387 observations of 451783 unique stars using a suite of advanced reduction pipelines focussing on stellar atmospheric parameters, in particular purely spectroscopically derived stellar atmospheric parameters (Teff, log(g), and the overall metallicity), enhanced stellar atmospheric parameters inferred via a Bayesian pipeline using Gaia DR2 astrometric priors, and asteroseismically calibrated stellar atmospheric parameters for giant stars based on asteroseismic observations for 699 K2 stars. In addition, we provide abundances of the elements Fe, Al, and Ni, as well as an overall [alpha/Fe] ratio obtained using a new pipeline based on the GAUGUIN optimization method that is able to deal with variable signal-to-noise ratios. The RAVE DR6 catalogs are cross matched with relevant astrometric and photometric catalogs, and are complemented by orbital parameters and effective temperatures based on the infrared flux method. The data can be accessed via the RAVE Web site (http://rave-survey.org) or the Vizier database.

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