The Sun as an X-ray star V.: A new method to retrieve coronal filling factors

Wilhelmina Maryann Joseph, Beate Stelzer, Salvatore Orlando +1

Context. Stellar coronae are unresolved in X-rays, so inferences about their structure rely on spectral analysis. The "Sun-as-an-X-ray-star" (SaXS) approach uses the Sun as a spati…