论文标题
Locnes：一款太阳能望远镜研究近红外的恒星活动
LOCNES: a solar telescope to study stellar activity in the near infrared
论文作者
论文摘要
Locnes（低成本NIR扩展太阳能望远镜）是安装在TNG（Telescopio Nazionale Galileo）的太阳能望远镜。它通过40米的光纤将太阳的光馈入NIR光谱仪Giano-B。已设计Locnes是为了获得太阳的高信噪比光谱，作为通过分子带细胞进行精确波长校准的恒星。这是一个全新的调查领域，将提供及时的结果，以改善使用NIR光谱仪（例如Ishell，Carmenes和Giano-B）的tell尿行星的搜索。我们将提取NIR中太阳的几个圆盘集成活性指标和平均磁场测量值。最终，它们将与Sun-As-A-Star的RV以及可见和NIR中太阳能盘的解决图像相关。这样的方法将可以更好地了解两个光谱域中活动引起的RV变化的起源，并有助于改善其校正技术。在本文中，我们概述了Locnes项目的科学驱动力及其首次调试结果。
LOCNES (LOw-Cost NIR Extended Solar telescope) is a solar telescope installed at the TNG (Telescopio Nazionale Galileo). It feeds the light of the Sun into the NIR spectrograph GIANO-B through a 40-m patch of optical fibers. LOCNES has been designed to obtain high signal-to-noise ratio spectra of the Sun as a star with an accurate wavelength calibration through molecular-band cells. This is an entirely new area of investigation that will provide timely results to improve the search of telluric planets with NIR spectrographs such as iSHELL, CARMENES, and GIANO-B. We will extract several disc-integrated activity indicators and average magnetic field measurements for the Sun in the NIR. Eventually, they will be correlated with both the RV of the Sun-as-a -star and the resolved images of the solar disc in visible and NIR. Such an approach will allow for a better understanding of the origin of activity-induced RV variations in the two spectral domains and will help in improving the techniques for their corrections. In this paper, we outline the science drivers for the LOCNES project and its first commissioning results.
