晚期恒星的光谱能量分布

A. Tatarnikov, S. Zheltoukhov, E. D. Malik
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引用次数: 0

摘要

本文介绍了波长范围在0.4-100微米的263颗恒星光谱中的能量分布目录,这些恒星处于演化的晚期阶段,已经被ISO空间观测站观测到。该星表以表格和机器可读格式载于 https://infra.sai.msu.ru/sai_lss_sed。结果表明,对于指定的天体样本,它们在 2.4 - 45 µm 范围内的 ISO SWS 光谱只有 60% 的情况下与连续谱的一般形状相符,因此无需重新校准即可使用。我们选择了一些可以从 MSU 观测站进行红外观测的碳星。对于其中的一些恒星,利用 CMO 的 2.5 米望远镜的新红外摄像机首次获得了 K、L 和 M 波段的亮度估计值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spectral Energy Distribution of Late Stage Stars
This paper presents a catalog of the energy distribution in the spectra of 263 stars in the wavelength range 0.4 - 100 µm, which are at late stages of evolution and have been observed by the ISO space observatory. For each object in the catalog, estimates of the observed bolometric fluxes are derived from smoothed energy distribution curves. The catalog is available at https://infra.sai.msu.ru/sai_lss_sed both as a table and in machine-readable format. It is shown that for the specified sample of objects their ISO SWS spectra in the range 2.4 - 45 µm only in 60% of cases correspond to the general shape of the continuum, and can be used without recalibration. A selection of carbon stars accessible to infrared observations from the MSU observatories was made. For some of them, the first brightness estimates in the K, L, and M bands were obtained with the new IR camera of the 2.5-m telescope of CMO.
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