查看“天文基础知识”的源代码

==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 [http://www.spacetelescope.org/videos/heic1017b/]

===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[http://www.astrogeo.va.it/astronom/spettri/apen.htm]

*[[Metallic A stars]] (Am) 

*[[magnetic A stars]] （Ap)

*[[BHB stars]]