m31

Study on Binary Stellar Populations of Globular Clusters in M31

M31中球状星团的双星族合成研究

Observational and Research Progress of the M31 Galaxy

M31的观测与研究进展

Observational properties of the largest Local Group spiral M31 ( Andromeda galaxy ) are presented .

介绍了本星系群中最大的旋涡星系M31（仙女星系）的基本观测性质。

Comparing with observation , we can conclude that the chemical evolution model of Galaxy can not fit the M31 's feature .

通过与观测比较发现，用银河系的化学演化模型不能很好得调和M31的各种观测特征，两者肯定具有不同的恒星形成历史。

Andromeda galaxy ( M31 , NGC224 ) is the biggest spiral in the Local Group . Since it is not far from Galaxy , it provides us a unique candidate that the galaxy structure and morphology can be observed carefully .

仙女星系（M31，NGC224）是本星系群中最大的旋涡星系，而且离银河系并不遥远，无疑为我们提供了有利的观测条件。