Morphology and Spectral Behavior of Solar Hard X-Ray Sources
Salvato in:
| Autore principale: | |
|---|---|
| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universidad Nacional Autónoma de México
2002
|
| Soggetti: | |
| Accesso online: | |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1866817195416223744 |
|---|---|
| author | F. C. R. Fernandes |
| author_facet | F. C. R. Fernandes |
| contents | Morphology and Spectral Behavior of Solar Hard X-Ray Sources F. C. R. Fernandes H. S. Sawant Física, Astronomía y Matemáticas RAYS SUN: X SUN: FLARES Images of 17 solar flares, corresponding to 61 individual X-ray bursts observedin four energy bands (14-23, 23-33, 33-53, and 53-93 keV) by the Hard X-RayTelescope (HXT) experiment aboard the Yohkoh satellite have been investigated.The images suggest that the angular size of the hard X-ray sources is of the order of20 arcsec and that they are of three types: single isolated sources (30%), doublesources (41%), with typical minimum separation of 30{40 arcsec, and multiplesources (29%). We have fitted a single power law spectrum to the X-ray emissionin the range 20{830 keV, using data from the Hard X-Ray Spectrometer (HXS)experiment. The spectral time evolution of these bursts has been also investigated.Typical spectral index behavior is soft-hard-soft". 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57138201 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.2 Vol.38 |
| format | Artículo científico |
| id | redalyc_57138201 |
| language | en |
| publishDate | 2002 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Morphology and Spectral Behavior of Solar Hard X-Ray Sources F. C. R. Fernandes Física, Astronomía y Matemáticas RAYS SUN: X SUN: FLARES Morphology and Spectral Behavior of Solar Hard X-Ray Sources F. C. R. Fernandes H. S. Sawant Física, Astronomía y Matemáticas RAYS SUN: X SUN: FLARES Images of 17 solar flares, corresponding to 61 individual X-ray bursts observedin four energy bands (14-23, 23-33, 33-53, and 53-93 keV) by the Hard X-RayTelescope (HXT) experiment aboard the Yohkoh satellite have been investigated.The images suggest that the angular size of the hard X-ray sources is of the order of20 arcsec and that they are of three types: single isolated sources (30%), doublesources (41%), with typical minimum separation of 30{40 arcsec, and multiplesources (29%). We have fitted a single power law spectrum to the X-ray emissionin the range 20{830 keV, using data from the Hard X-Ray Spectrometer (HXS)experiment. The spectral time evolution of these bursts has been also investigated.Typical spectral index behavior is soft-hard-soft". 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57138201 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.2 Vol.38 |
| title | Morphology and Spectral Behavior of Solar Hard X-Ray Sources |
| topic | Física, Astronomía y Matemáticas RAYS SUN: X SUN: FLARES |
| url | https://www.redalyc.org/articulo.oa?id=57138201 |