ANDES, the high resolution spectrometer for the ELT: the UBV spectrograph module

被引：0

作者：

Weber, Michael ^{[1
]}

Woche, Manfred ^{[1
]}

Ilyin, Ilya ^{[1
]}

Strassmeier, Klaus G. ^{[1
]}

Oliva, Ernesto ^{[2
]}

机构：

[1] Leibniz Inst Astrophys Potsdam AIP, An der Sternwarte 16, D-D14482 Potsdam, Germany

[2] INAF, Osservatorio Astrofis Arcetri, Florence, Italy

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY IX | 2022年 / 12184卷

关键词：

Instrumentation: spectrographs; Observatory: robotic; Techniques: radial velocities; Techniques: spectroscopic; PEPSI;

D O I：

10.1117/12.2629346

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The first generation of ELT instruments include an optical-infrared High Resolution Spectrograph, formerly indicated as ELT-HIRES and recently christened ANDES (ArmazoNes high Dispersion Echelle Spectrograph). Its modular design allows to position the calibration unit and the red & infrared spectrograph modules in the Coude room of the ELT for better thermal and mechanical stability. But to accommodate for a better UV throughput, the blue spectrograph module (UBV) will be positioned on the Nasmyth-platform of the telescope along with the front end of the system. We present the preliminary optical design of this UBV module, which extends the 400nm blue cutoff of the baseline design to 350nm by adding a third (the U-) arm. In addition to classical image quality calculations, we produce echelle-footprints which can be analyzed like regular observations.

引用

页数：7

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