HD 97300 emits X-rays, illuminates the reflection nebula Ced 112 and is one of the highest mass members of the Cha I cloud, spectral type B9V, a Herbig Ae / Be star without emission lines.
22.
Interstellar dust scattering is also well understood, allowing bands to be drawn on a color color diagram defining the region in which stars protostellar in nature, with the excess radiation at long wavelengths caused by suppression by the reflection nebula in which the protostars are embedded.
