Visible and Near-Infrared Contrast of Faculae in ActiveRegion NOAA 8518

• 作 者: YanXu GuoYang JiongQiu TomJ.Sp
• 机 构: CenterforSolar-TerrestrialResearch
• 出 处: 中国天文和天体物理学报：英文版
• 发表日期: 2004年5期
• 关键词: 可见光 作用区 红外线 天文学 sun: infrared sun: faculae
• 基金项目: 国家自然科学基金，NSF，Chinese NSF through

We compare the contrast of faculae, in visible light and in the near infrared (NIR), that were associated with the active region NOAA 8518 which crossed the solar disk from April 19 to 27, 1999. We obtained NIR continuum images at 1.6μm at the Big Bear So