Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: N'ihe dị ka 1.15 M<unk>, IK Pegasi B ka a na-ewere dị ka nnukwu nwa ojii ọcha. Ọ bụ ezie na a hụghị okirikiri ya ozugbo, enwere ike ịtụle ya site na mmekọrịta a maara nke ọma n'etiti oke na okirikiri nke ndị na-acha ọcha ọcha, na-enye uru nke ihe dịka 0.60% nke okirikiri anyanwụ. (Isi mmalite dị iche na-enye uru nke 0.72%, ya mere, a ka nwere ụfọdụ ejighị n'aka na nsonaazụ a.) Ya mere, kpakpando a na-etinye ihe karịrị anyanwụ n'ime ihe dị ka ụwa, na-enye ihe ngosi nke oke oke nke ihe a. Nnukwu, compact ọdịdị nke dwarf ọcha na-emepụta ike dị elu. Ndị na-enyocha mbara igwe na-eji nọmba logarithm nke ike ndọda nke dị na cgs, ma ọ bụ log g, akọwa uru a. Maka IK Pegasi B, log g bụ 8.95. Maka ntụnyere, log g maka ụwa bụ 2.99. N'ihi ya, ike ndọda dị n'elu IK Pegasi karịrị 900,000 ugboro ike ndọda dị n'elu ụwa. A na-eme atụmatụ na ike okpomọkụ dị n'elu IK Pegasi B bụ ihe dịka 35,500 ± 1,500 K, na-eme ka ọ bụrụ isi iyi siri ike nke ụzarị ọkụ ultraviolet. N'ọnọdụ ndị dị otú o kwesịrị, kpakpando a na-acha ọcha ga-anọgide na-ajụ oyi ruo ihe karịrị otu ijeri afọ, ebe okirikiri ya ga-anọgide bụrụ nke a na-agbanweghị agbanwe.  Ajụjụ: Olee otú a pụrụ isi tụọ okirikiri nke kpakpando na-acha ọcha?
site na mmekọrịta ndị a maara nke ọma n'etiti oke na radius nke ndị na-acha ọcha ọcha