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Oxygen-Rich Cool Stars in the Cepheus Region. New Spectroscopic Observations of Selected Objects from the KP2001 Catalog
Astrophysics ( IF 0.5 ) Pub Date : 2021-06-17 , DOI: 10.1007/s10511-021-09681-4
G. V. Petrosyan , K. S. Gigoyan , E. Karapetyan , G. R. Kostandyan

Spectra taken with the 2.6-m telescope at the Byurakan Astrophysical Observatory (BAO) in the λλ4000-7250Å range for eight M giants from the KP2001 catalog confirm their oxygen-rich nature. The features of these spectra are examined. Several important physical parameters from the EDR3 Gaia data base are presented. The optical variability is studied using ASAS-SN monitoring data.



中文翻译:

仙王座区域的富氧冷星。KP2001 目录中选定物体的新光谱观测

使用 Byurakan 天体物理天文台 (BAO) 的 2.6 米望远镜在 λλ4000-7250Å 范围内为 KP2001 目录中的八颗 M 巨星拍摄的光谱证实了它们的富氧性质。检查这些光谱的特征。介绍了 EDR3 Gaia 数据库中的几个重要物理参数。使用 ASAS-SN 监测数据研究光学可变性。

更新日期:2021-06-17
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