2007年IOAA观测第二部分第1题
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Jingsong Guo（讨论 | 贡献）2020年2月24日 (一) 16:28的版本 （创建页面，内容为“==英文题目== '''PART II: Use the provided binoculars (total 10 points)''' 2.1 The open star cluster “Hyades” in constellation Taurus is one of the nearest…”）
英文题目
PART II: Use the provided binoculars (total 10 points)
2.1 The open star cluster “Hyades” in constellation Taurus is one of the nearest clusters to us, being only 151 light years away. From the provided chart with brightness of some stars indicated by the apparent magnitude in parentheses, please estimate the apparent magnitude of the star Gamma-Tauri (γ-Tauri) to the nearest first decimal digit. (5 points)
