Berkeley 87
Cyg OB2
Cygnus OB2
DG Tauri
Eagle Nebula
StarsOne of the areas where the impact of XMM-Newton has been strongest is the study of X-ray emission from `normal' stars. The possibility that stars without compact companions could be X-ray emitters had not been initially foreseen. Though some normal stars had been detected by previous experiments, only after observations with the Einstein X-ray orbiting observatory was it fully realised that many solar-type stars emitted low energy (soft) X-rays. Equally surprising was the discovery that hot stars (OB stars) also appeared to be substantial soft X-ray sources. [Ref 4] |
| Star Forming Regions (20 images)
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| Berkeley 87 | Cyg OB2 | Cygnus OB2 | DG Tauri | Eagle Nebula | more > |
| Normal Stars (12 images)
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 61 Cyg |  Alpha Centauri A B |  EQ Peg |  HD 5980 |  HD5980 | more > |
| Nebulae (12 images)
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 HD 50896 |  HD 50896 |  NGC 2359 |  NGC 2392 |  NGC 3242 | more > |
| Stellar Clusters (17 images)
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 alpha Persei |  Carina nebula |  Carina nebula |  Eta Car nebula |  Hyades | more > |