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| Paper: |
Near-Infrared Study of the X-ray Point Sources Constituting the Galactic Ridge X-ray Emission |
| Volume: |
458, Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way |
| Page: |
233 |
| Authors: |
Morihana, K.; Tsujimoto, M.; Ebisawa, K. |
| Abstract: |
The Galactic Ridge X-ray Emission (GRXE) is an apparently extended emission along the Galactic Plane.
Its origin has been a mystery for a long time.
However, recent study revealed that about 80% of the GRXE is consist of dim X-ray point sources.
It raises a new question, what are the populations of them?
In this study, we identified X-ray point sources constituting the GRXE with near-infrared (NIR) and obtained NIR spectra.
The spectra suggest that almost the sources are late-type stars. |
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