论文标题
联合Parker太阳能探针的建模-METIS/太阳轨道观测值
Modeling of Joint Parker Solar Probe - Metis/Solar Orbiter Observations
论文作者
论文摘要
我们提出了联合帕克太阳能探针（PSP）的第一个理论建模 - Metis/太阳轨道（SOLO）正交观测值Telloni et al 2022c。合并的观察结果描述了慢太阳能等离子包裹从扩展的太阳能电晕（$ 3.5-6.3 $ r $ _ \ odot $）到非常内部的Heliosphere（23.2 r $ _ \ odot $）。 Metis/Solo仪器远程测量太阳能速度的发现范围从$ 96-201 $ kms $^{ - 1} $，PSP测量了太阳风等离子体，观察到径向速度为219.34 kms $^{ - 1} $。我们从理论和观察上发现太阳能速度在3.3-4 r $ _ \ odot $之内迅速加速，然后随着距离而逐渐增加。同样，我们发现理论太阳风密度与远程和原位观察到的太阳风密度一致。 PSP观察到的归一化交叉热度和归一化的残余能量分别为0.96和-0.07，表明慢性太阳风非常抗体。理论上的Ni/平板结果与PSP测量非常相似，这是高度磁场对齐的径向流动的结果，可确保PSP可以测量平板波动而不是2D。最后，我们计算理论2D和平板湍流压力，发现理论平板压力与PSP观察到的平板压力非常相似。
We present a first theoretical modeling of joint Parker Solar Probe (PSP) - Metis/Solar Orbiter (SolO) quadrature observations Telloni et al 2022c. The combined observations describe the evolution of a slow solar wind plasma parcel from the extended solar corona ($3.5-6.3$ R$_\odot$) to the very inner heliosphere (23.2 R$_\odot$). The Metis/SolO instrument remotely measures the solar wind speed finding a range from $96-201$ kms$^{-1}$, and PSP measures the solar wind plasma in situ, observing a radial speed of 219.34 kms$^{-1}$. We find theoretically and observationally that the solar wind speed accelerates rapidly within 3.3 -- 4 R$_\odot$, and then increases more gradually with distance. Similarly, we find that the theoretical solar wind density is consistent with the remotely and in situ observed solar wind density. The normalized cross-helicity and normalized residual energy observed by PSP are 0.96 and -0.07, respectively, indicating that the slow solar wind is very Alfvénic. The theoretical NI/slab results are very similar to PSP measurements, which is a consequence of the highly magnetic field-aligned radial flow ensuring that PSP can measure slab fluctuations and not 2D. Finally, we calculate the theoretical 2D and slab turbulence pressure, finding that the theoretical slab pressure is very similar to that observed by PSP.
