Note special date and time (Tuesday, 10:00)

The seminar will be held in a mixed format

1) Speaker: Huijuan Wang (NAOC, China)

Title: “A brief introduction to the High Resolution Fiber-fed Spectrograph (HRS) of 2.16m telescope”

Abstract: High resolution spectra make the unique role in research of the determination of stellar parameters (e.g., abundances, surface gravity, temperatures), the discoveries of substellar companions of stars, identifications/confirmations of exoplanets, and the stellar activities. The Xinglong 2.16m telescope is the first 2-m class astronomical telescope in China. The High Resolution fiber-fed Spectrograph (HRS) of 2.16m telescope is currently the only astronomical instrument that was equipped with both a high precision temperature and pressure control system and an astronomical laser frequency comb in China. The current condition of HRS and the scientific research based on it will be introduced in this talk.

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