近日,一项由多国科研团队合作完成的研究成果发表于《自然·天文学》(Nature Astronomy),报道了太阳和日球层物理学领域的一项重要突破。该团队利用美国国家科学基金会的丹尼尔·井上太阳望远镜(Daniel K. Inouye Solar Telesco...近日,一项由多国科研团队合作完成的研究成果发表于《自然·天文学》(Nature Astronomy),报道了太阳和日球层物理学领域的一项重要突破。该团队利用美国国家科学基金会的丹尼尔·井上太阳望远镜(Daniel K. Inouye Solar Telescope, DKIST),首次在太阳最外层大气——日冕中直接观测到普遍存在的扭转阿尔芬波(见图1)[1]。展开更多
A 50 mm balloon-borne white-light coronagraph(BBWLC)to observe white-light solar corona over the altitude range from 1.08 R_(⊙)to 1.50 R_(⊙)has recently been indigenously developed by Yunnan Observatories in collabo...A 50 mm balloon-borne white-light coronagraph(BBWLC)to observe white-light solar corona over the altitude range from 1.08 R_(⊙)to 1.50 R_(⊙)has recently been indigenously developed by Yunnan Observatories in collaboration with Shandong University(in Weihai)and Changchun Institute of Optics,Fine Mechanics and Physics,which will significantly improve the ability of China to detect and measure the inner corona.On 2022 October 4,its first scientific flight took place at the Dachaidan area in Qinghai province of China.We briefly describe the BBWLC mission including its optical design,mechanical structure,pointing system,the first flight and results associated with the data processing approach.Preliminary analysis of the data shows that BBWLC imaged the K-corona with three streamer structures on the west limb of the Sun.To further confirm the coronal signals obtained by BBWLC,comparisons were made with observations of the K-coronagraph of the High Altitude Observatory and the Atmospheric Imaging Assembly on board the Solar Dynamics Observatory.We conclude that BBWLC eventually observed the white-light corona in its first scientific flight.展开更多
文摘近日,一项由多国科研团队合作完成的研究成果发表于《自然·天文学》(Nature Astronomy),报道了太阳和日球层物理学领域的一项重要突破。该团队利用美国国家科学基金会的丹尼尔·井上太阳望远镜(Daniel K. Inouye Solar Telescope, DKIST),首次在太阳最外层大气——日冕中直接观测到普遍存在的扭转阿尔芬波(见图1)[1]。
基金supported by the National Key R&D Program of China No.2022YFF0503800the Strategic Priority Research Program of the Chinese Academy of Sciences(grant Nos.XDA17040507 and XDB0560000)+1 种基金NSFC grant 11933009the Yunnan Province Scientist Workshop of Solar Physics,the Yunnan Key Laboratory of Solar Physics and Space Science(202205AG070009)。
文摘A 50 mm balloon-borne white-light coronagraph(BBWLC)to observe white-light solar corona over the altitude range from 1.08 R_(⊙)to 1.50 R_(⊙)has recently been indigenously developed by Yunnan Observatories in collaboration with Shandong University(in Weihai)and Changchun Institute of Optics,Fine Mechanics and Physics,which will significantly improve the ability of China to detect and measure the inner corona.On 2022 October 4,its first scientific flight took place at the Dachaidan area in Qinghai province of China.We briefly describe the BBWLC mission including its optical design,mechanical structure,pointing system,the first flight and results associated with the data processing approach.Preliminary analysis of the data shows that BBWLC imaged the K-corona with three streamer structures on the west limb of the Sun.To further confirm the coronal signals obtained by BBWLC,comparisons were made with observations of the K-coronagraph of the High Altitude Observatory and the Atmospheric Imaging Assembly on board the Solar Dynamics Observatory.We conclude that BBWLC eventually observed the white-light corona in its first scientific flight.