LAMOST Medium-Resolution Spectral Survey of Galactic Nebulae (LAMOST-MRS-N): Subtraction of Geocoronal Halpha Emission

We introduce a method of subtracting geocoronal Halpha emissions from the spectra of LAMOST medium-resolution spectral survey of Galactic nebulae (LAMOST-MRS-N). The flux ratios of the Halpha sky line to the adjacent OH lambda6554 single line do not show a pattern or gradient distribution in a plate...

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Veröffentlicht in:	arXiv.org 2021-08
Hauptverfasser:	Zhang, Wei, Wu, Hong, Wu, Chaojian, Ren, Juanjuan, Chen, Jianjun, Chih-Hao Hsia, Wu, Yuzhong, Zhu, Hui, Shi, Jianrong, Bai, Zhongrui, Qi, Zhaoxiang, Zhao, Yongheng, Hou, Yonghui
Format:	Artikel
Sprache:	eng
Schlagworte:	Altitude Linear functions Nebulae Physical properties Physics - Astrophysics of Galaxies Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Sky surveys (astronomy) Spectra Subtraction
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