Tauraro mai rikitarwa mai rikitarwa
Kasancewa kusan shekaru 440 haske daga Duniya, Zeta Ophiuchi tauraruwa ce mai zafi tare da rikitarwa mai rikitarwa. Tauraron yana da girma sau 20 fiye da Rana, wataƙila ana fitar da shi daga wurin haifuwar sa ta hanyar fashewa mai ƙarfi. a kowace sa'a lokacin da abokin aikinta na kud-da-kud ya lalace a wani fashewar supernova fiye da shekaru miliyan da suka wuce. . Wannan sabon hoton haɗe-haɗe yana nuna ƙaƙƙarfan girgizar girgiza (ja da kore) wanda kwayoyin halitta ke motsawa daga saman tauraro kuma suna karo da iskar gas a hanyarta. Lamarin ya haifar da girgizar ne sakamakon busowar kwayoyin halitta daga saman tauraro kuma suka yi karo da iskar gas a hanyarsa. A cewar bayanan Chandra, tauraron yana kewaye da kumfa na fitar da hasken X-ray (blue) wanda iskar gas ta yi zafi zuwa dubun-dubatar digiri ta hanyar girgizar.
)Tawagar masanan taurari a Cibiyar Nazarin Ci gaba a Dublin, Ireland, sun ƙirƙiri cikakkiyar simintin kwamfuta na farko na girgizar girgiza. Sun fara bincika yadda samfuran suka dace da bayanai daga abubuwan lura ta amfani da X-ray, na gani, infrared da raƙuman raƙuman radiyo.
Samfuran kwamfuta daban-daban guda uku sun yi hasashen fitowar X-ray mai rauni fiye da yadda aka gani. Kumfa mai fitar da X-ray ya fi haske kusa da tauraro, yayin da biyu daga cikin nau'ikan kwamfuta guda uku ke hasashen cewa fitar da X-ray ya kamata ya fi haske kusa da girgizar.
A nan gaba, da masana kimiyya estão planejando testar modelos mais complicados com física adicional – incluindo os efeitos de turbulência e aceleração de partículas. Eles visam verificar se a concordância com os dados de raios X melhorará.
Maganar jarida:
Thermal watsin girgiza baka. II. 3D magnetohydrodynamic model na zeta Ophiuchi. S. Green, J. Mackey, P. Kavanagh, TJ Haworth, M. Moutzouri, VV Gvaramadze. Astronomy da Astrophysics. DOI: 10.1051/0004-6361/202243531
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