Perbandingan Sinar X Dan Ha Yang Dihasilkan Flare

Abstract

ABSTRACT Ha flare-:associated soft X-ray bursts (1-8 A) were examined for 577 events observed by Automatic Flare Detection System. Their time profiles were roughly similar to those of the associated Ha flares. Observation to the maximum time of Ha flare and the SXR indicated that on average the SXR maximum time came behind the maximum of Ha flare. This time difference seemed to be longer with the longer duration of Ha flare, due to the emission measure. The maximum flux of Ha was also higher with the higher maximum flux of SXR. RINGKASAN Dengan sistem pendeteksi Ha, diamati 577 peristiwa flare Ha yang berasosiasi dengan radiasi sinar X lunak (SXR) dengan panjang gelombang 1-8 A. Kurva waktu kedua macam radiasi ini ternyata hampir mirip. Meskipun demikian, dengan mengamati waktu flare Ha dan SXR mencapai maksimum, diketahui bahwa pada umumnya SXR mencapai maksimum lebih lambat dari pada flare Ha. Perbedaan waktu ini disebabkan oleh adanya 'emission measure', dan cenderung makin besar bila kala hidup flare Ha makin lama. Selain itu diperoleh juga bahwa besarnya fluks Ha juga sebanding dengan besarnya fluks SXR.Hlm. 36-4

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