太阳Lyman-Alpha廓线模型的更新
Update of the Solar Lyman-Alpha Profile Line Model
摘要:
我们提出了一个太阳周期演变的太阳莱曼α线轮廓模型的修改,随着星际中性氢氢辐射压力水平的不确定性的敏感性研究。线轮廓模型最初由Kowalska-Leszczynska et al. 2018 a开发,由复合太阳莱曼α通量参数化,最近修订了Machol et al. 2019。我们提出了修改参数的太阳辐射压力的中性氢和氘原子在日光层的先前开发的模型。模型中使用的数学函数以及拟合程序保持不变。我们选择的ISN H属性在日光层的模型修改的影响,我们讨论了这些数量的敏感性的不确定性的复合莱曼-α系列的校准。
英文摘要:
We present a modification of a model of solar cycle evolution of the solar Lyman-alpha line profile, along with a sensitivity study of interstellar neutral H hydrogen to uncertainties in radiation pressure level. The line profile model, originally developed by Kowalska-Leszczynska et al. 2018a, is parametrized by the composite solar Lyman-alpha flux, which recently was revised Machol et al. 2019. We present modified parameters of the previously-developed model of solar radiation pressure for neutral hydrogen and deuterium atoms in the heliosphere. The mathematical function used in the model, as well as the fitting procedure, remain unchanged. We show selected effects of the model modification on ISN H properties in the heliosphere and we discuss the sensitivity of these quantities to uncertainties in the calibration of the composite Lyman-alpha series.
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