天文基础知识

恒星

赫罗图

• 基于HST对球状星团 Omega Centauri(半人马座）的观测构建HR图。amazing movie [1]

星震学

• Asteroseismology (from Greek ἀστήρ, astēr, "star"; σεισμός, seismos, "earthquake"; and -λογία, -logia) also known as stellar seismology[1][2] is the science that studies the internal structure of pulsating stars by the interpretation of their frequency spectra.

• 可以精确测量log(g)

特殊恒星

• 参考[2]

• Metallic A stars (Am)

• magnetic A stars （Ap)

• BHB stars