Molecfit:大地吸收校正软件包
Molecfit: A Package for Telluric Absorption Correction
摘要:
校正天空特征通常需要补充校准数据,这在望远镜时间方面非常昂贵。此外,由于大地吸收的高度可变性取决于观测时大气的状态和化学成分,这些数据通常必须在科学观测之前/之后直接获取,因此时间安排的灵活性受到限制。因此,不需要这种补充校准数据的天空校正工具节省了大量宝贵的望远镜时间并提高了其效率。我们开发了一个软件包,旨在进行大地特征校正的基础上合成吸收光谱。
英文摘要:
Correcting for the sky signature usually requires supplementary calibration data which are very expensive in terms of telescope time. In addition, the scheduling flexibility is restricted as these data have to be taken usually directly before/after the science observations due to the high variability of the telluric absorption which depends on the state and the chemical composition of the atmosphere at the time of observations. Therefore, a tool for sky correction, which does not require this supplementary calibration data, saves a significant amount of valuable telescope time and increases its efficiency. We developed a software package aimed at performing telluric feature corrections on the basis of synthetic absorption spectra.
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