Spectro-polarimetric observations at the NVST: I. instrumental polarization calibration and primary measurements

• Published in: Research in astronomy and astrophysics Vol. 20; no. 4; pp. 45 - 56
• Main Authors: Hou, Jun-Feng, Xu, Zhi, Yuan, Shu, Chen, Yu-Chao, Peng, Jian-Guo, Wang, Dong-Guang, Xu, Jun, Deng, Yuan-Yong, Jin, Zhen-Yu, Ji, Kai-Fan, Liu, Zhong
• Format: Journal Article
• Language: English
• Published: Beijing National Astronomical Observatories, CAS and IOP Publishing Ltd 01.04.2020; IOP Publishing
• Subjects: Accuracy; Adaptive optics; Adaptive systems; Calibration; Crosstalk; Instrumentation; Magnetic fields; Noise sensitivity; Optics; Photosphere; Polarimeters; Polarimetry; Polarization; Polarized light; Sun: magnetic fields; techniques: polarimetric; techniques: spectroscopic

This paper is devoted to the primary spectro-polarimetric observation performed at the New Vacuum Solar Telescope (NVST) of China since 2017, and our aim is to precisely evaluate the real polarimetric accuracy and sensitivity of this polarimetry by using full Stokes spectro-polarimetric observations...