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Synoptic Maps of CaII K line intensity based on observations from MWO (1915-1985)

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DataONE2020-09-20 更新2024-06-08 收录
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This dataset contains Carrington synoptic maps of Ca II 393.4 nm intensity for the years 1915-1985. These maps are produced using Mount Wilson Observatory calcium K-line images. The digitization and initial flat fielding was done by the solar group at UCLA as described in Lefebvre et al. 2005 (Mem. Soc. Astron. Ital., 76, 862) and in Bertello et al. 2010 (Sol. Phys., 264, 31). The current dataset is reprocessed in 2017-2018 at NSO by Luca Bertello: the full disk images were corrected for vignetting and intensity was normalized as described in Pevtsov et al. 2016 (A&A, 585, A40, doi: 10.1051/0004-6361/201526620. The details of the map-making procedure are described in the paper by Sheeley, Cooper, & Anderson 2011 (ApJ 730:51). Calculation of uncertainties is described by Bertello et al 2014 (Solar Phys., 289/7, 2419, doi: 10.1007/s11207-014-0480-3). Each fits file has three planes: Ca II K line intensity, map of uncertainties, and map of weights.

本数据集包含1915年至1985年间的卡林顿日面综合图(Carrington synoptic maps),对应电离钙II 393.4 nm(Ca II 393.4 nm)的强度数据。此类图像基于威尔逊山天文台(Mount Wilson Observatory)的钙K线观测图像生成。其数字化处理与初始平场校正由加州大学洛杉矶分校(University of California, Los Angeles, UCLA)太阳研究小组完成,相关细节参见Lefebvre等人2005年发表于《意大利天文学会会刊》(Mem. Soc. Astron. Ital.)第76卷862页的论文,以及Bertello等人2010年发表于《太阳物理学》(Sol. Phys.)第264卷31页的论文。当前数据集于2017-2018年由Luca Bertello在国家太阳天文台(National Solar Observatory, NSO)完成重新处理:对日面全盘图像进行了渐晕校正,并对强度进行了归一化,相关方法参见Pevtsov等人2016年发表于《天文学与天体物理学》(A&A)第585卷A40期的论文,DOI: 10.1051/0004-6361/201526620。日面综合图的制作流程细节参见Sheeley、Cooper与Anderson 2011年发表于《天体物理学杂志》(ApJ)第730卷51页的论文。不确定性的计算方法则由Bertello等人2014年发表于《太阳物理学》(Solar Phys.)第289/7期2419页的论文给出,其DOI为10.1007/s11207-014-0480-3。每个FITS文件包含三个数据平面:电离钙II K线强度数据、不确定性分布图以及权重分布图。
创建时间:
2023-11-22
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