GOLF：一种新的太阳磁性代用指标
GOLF: a new proxy for solar magnetism
摘要：
太阳磁场是用不同的指标测量的：例如MPSI和MWSI，太阳黑子的数量，10.7厘米处的射电通量，Ca II K，Mg II K，EUV，He I或L_alpha。Bachmann & White（1994）比较了这些太阳活动的指标，显示出太阳周期变化的滞后性和这些指标之间的时间滞后，与仪器效应无关。后来，Ozguc & Atac（2001）扩展了耀斑指数与其他太阳指数（平均磁场、日冕指数）之间的滞后现象的研究。GOLF/SoHO在其最初的工作配置中能够在26天内测量太阳平均磁场（Garcia等人，1999年）。我们在这里检查速度数据是否可以用作另一个太阳磁代理，其优势是在过去12年中占空比>95%。我们将GOLF数据与上述一些太阳活动指数进行比较。
英文摘要：
Solar magnetism is measured with different indexes: for instance the MPSI and the MWSI, number of sunspots, radio flux at 10.7 cm, Ca II K, Mg II K, EUV, He I or L_alpha. Bachmann & White (1994) had compared these indicators of the solar activity showing a hysteresis of the solar cycle variations and a time lag between these indices not related to instrumental effects. Later on, Ozguc & Atac (2001) extended this study of hysteresis phenomenon between Flare index and other solar indices (mean magnetic field, coronal index). In its original working configuration, GOLF/SoHO was able to measure during 26 days the solar mean magnetic field (Garcia et al. 1999). We check here if the velocity data could be used as another solar magnetism proxy with the advantage of having a duty cycle >95% during the last 12 years. We will compare the GOLF data with some of the above-mentioned solar activity indexes.
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