AMBRE项目：ESO的恒星参数化：UVES存档光谱
The AMBRE Project: Stellar Parameterisation of the ESO:UVES archived spectra
摘要：
AMBRE项目是欧洲南方天文台（ESO）和蓝色海岸天文台（OCA）之间的合作项目，旨在确定四台ESO摄谱仪存档光谱的恒星大气参数。在AMBRE项目的第三阶段，已经完成了UVES存档光谱的恒星参数分析。从2000年至2010年期间收到的完整ESO：UVES存档数据集中，分析了六种标准设置的51921个光谱。AMBRE分析管道使用恒星参数化算法MATISSE来获得恒星大气参数。合成网格目前仅限于FGKM星。在AMBRE：UVES中分析的51，921个UVES存档光谱中，有12，403个报告了恒星大气参数。这相当于约23.9%的样本和约3，708颗恒星。有效温度、表面重力、金属丰度和α元素与铁的比值丰度提供了10，212个光谱（~19.7%），而至少有效温度提供了其余2，191个光谱。报告了36，881个（~71.0%）分析存档光谱的径向速度。本文报道了sigmaTeff~ 110 dex，sigmalogg~0.18dex，sigma[M/H]~0.13dex和sigma[alpha/Fe]~0.05dex的典型外误差，并报道了巨星和矮星之间以及装置之间的一些变化。UVES用于观测大量的恒星和非恒星天体，所有这些天体都包含在ESO提供给OCA的存档数据集中。AMBRE分析提取位于AMBRE慢旋转合成光谱网格的FGKM参数空间内的那些对象。因此，通过同质盲分析，AMBRE成功地从ESO：UVES档案中提取并参数化了目标FGK恒星（占分析样本的23.9%）。
英文摘要：
The AMBRE Project is a collaboration between the European Southern Observatory (ESO) and the Observatoire de la Cote d'Azur (OCA) that has been established in order to carry out the determination of stellar atmospheric parameters for the archived spectra of four ESO spectrographs. The analysis of the UVES archived spectra for their stellar parameters has been completed in the third phase of the AMBRE Project. From the complete ESO:UVES archive dataset that was received covering the period 2000 to 2010, 51921 spectra for the six standard setups were analysed. The AMBRE analysis pipeline uses the stellar parameterisation algorithm MATISSE to obtain the stellar atmospheric parameters. The synthetic grid is currently constrained to FGKM stars only. Stellar atmospheric parameters are reported for 12,403 of the 51,921 UVES archived spectra analysed in AMBRE:UVES. This equates to ~23.9% of the sample and ~3,708 stars. Effective temperature, surface gravity, metallicity and alpha element to iron ratio abundances are provided for 10,212 spectra (~19.7%), while at least effective temperature is provided for the remaining 2,191 spectra. Radial velocities are reported for 36,881 (~71.0%) of the analysed archive spectra. Typical external errors of sigmaTeff~110dex, sigmalogg~0.18dex, sigma[M/H]~0.13dex, and sigma[alpha/Fe]~0.05dex with some reported variation between giants and dwarfs and between setups are reported. UVES is used to observe an extensive collection of stellar and non-stellar objects all of which have been included in the archived dataset provided to OCA by ESO. The AMBRE analysis extracts those objects which lie within the FGKM parameter space of the AMBRE slow rotating synthetic spectra grid. Thus by homogeneous blind analysis AMBRE has successfully extracted and parameterised the targeted FGK stars (23.9% of the analysed sample) from within the ESO:UVES archive.
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