猎户-波江超级气泡

猎户-波江超级气泡或波江座阮X射线增强区是在猎户星云的一个超级气泡。这个区域可能与猎户座OB1关联的超新星残骸重叠；气泡的直径大约1,200光年^[1]。它是最靠近包含太阳在内的本地泡的超级气泡，各自的激震波前缘大约相隔500光年^[1]。

Soft X-ray image of the Orion-Eridanus Superbubble with ROSAT.

The Orion-Eridanus superbubble in Hydrogen-alpha, with the Barnard's Loop and Eridanus Loop. Image covers the same area of the sky as the left image.

Part of the Orion-Eridanus Superbubble with ROSAT. The contours are 100 Mircon IRAS observations and show the shielding of soft x-rays by a filament.

这个结构是1970年代由卡尔·海尔斯以21公分电波观测发现的^[2]。