H{alpha} images of HD93521

Owing to its unusual location and its isolation, the nature of the high Galactic latitude O9.5 Vp object HD 93521 is still uncertain. We have collected X-ray and optical...鉴于其特殊的空间位置与孤立特性，高银纬（high Galactic latitude）O9.5 Vp型天体HD 93521的物理本质仍未明晰。我们已收集了X射线（X-ray）与光学……