相关实验视频
全球振荡网络集团 (GONG) 项目
1J. W. Harvey, F. Hill, R. P. Hubbard, J. R. Kennedy, J. W. Leibacher, and J. A. Pintar are with the National Solar Observatory, National Optical Astronomy Observatories, Post Office Box 26732, Tucson, AZ 85726-6732, USA. P. A. Gilman is with the High Altitude Observatory, National Center for Atmospheric Research, Post Office Box 3000, Boulder, CO 80307, USA. R. W. Noyes is with the Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138, USA. A. M. Title is with the Lockheed Solar and Astrophysics Laboratory, Palo Alto, CA 94304, USA. J. Toomre is with JILA, University of Colorado, Boulder, CO 80309, USA. R. K. Ulrich is with the Department of Physics and Astronomy, University of California, Los Angeles, CA 90024, USA. A. Bhatnagar is with the Udaipur Solar Observatory, Physical Research Laboratory, Udaipur, India. J. A. Kennewell is with the Learmonth Solar Observatory, IPS Radio and Space Services, Exmouth, Western Australia, Australia. W. Marquette is with the Big Bear Solar Observatory, Big Bear City, CA 92314, and California Institute of Technology, 264-33, Pasadena, CA 91125, USA. J. Patron is with the Observatorio del Teide, Instituto Astrofisica de Canarias, La Laguna, Tenerife, Spain. O. Saa is with the Cerro Tololo Interamerican Observatory, National Optical Astronomy Observatories, La Serena, Chile. E. Yasukawa is with the Mauna Loa Solar Observatory, Hilo, HI 96720, and High Altitude Observatory, National Center for Atmospheric Research, Post Office Box 3000, Boulder, CO 80307, USA.
全球振荡网络集团 (GONG) 项目为日电地震学提供持续的太阳表面观测. 它的全球网络显著减少了数据遗漏和噪声,使得能够精确地测量太阳振荡.
科学领域:
- * 太阳物理 太阳物理
- * 天体物理学 * 天体物理学
- * * 太阳地震学 太阳地震学
背景情况:
- * 太阳地震学需要长期,不间断的太阳表面振荡数据,以进行准确的正常模式测量.
- *以前的观测方法受到数据缺口和光谱工件的限制.
研究的目的:
- *详细介绍全球振荡网络集团 (GONG) 项目的运营成功和数据质量.
- *为了突出GONG对精确的日流地震测量的贡献.
主要方法:
- * 部署一个由六个相同的太阳能仪器组成的全球网络.
- *自1995年10月以来,不断获取太阳表面速度图像.
- * 实现89%的高运行工作周期.
主要成果:
- * 与单个地点观测相比,光谱工件大小减少了280倍.
- * 达到了低于观测到的太阳背景的仪器噪声水平.
- * 能够精确测量太阳的正常振荡模式.
结论:
- * GONG网络成功地提供了高质量,连续的太阳能数据,这对于日热地震学至关重要.
- *GONG的性能明显超过了之前的观测局限性,推进了太阳内部研究.