摘要: A Simple technique is presented for making velocity measurements on the sun. This uses two simultaneous images formed at the exit of a Lyot birefringent filter made by substituting the final polarizer in the filter with a Wollasto... 展开
作者 | November, L. J. | ||
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原报告号 | ADA153555 | 总页数 | 17 |
报告类别/文献类型 | AD / NTIS科技报告 | ||
关键词 | Solar atmosphere Axes Birefringence Filters Images Intensity Measurement Polarizers Radial velocity Sides Spectral lines Sun Synchronism Tuning Velocity Reprints |