Granada (Spain), Okthoba 24, 2025. I-Institute of Astrophysics of Andalusia (IAA-CSIC) ibika udaba lokuqala olubhaliwe lwesistimu kanambambili lapho ukudlula kwe- Amaplanethi alingana nomhlaba ezinkanyezini ezimbili, umphumela osiphoqa ukuthi sibuyekeze izimo zokwakheka kwamaplanethi nokuzinza endaweni enamalanga amabili.
Amasistimu akabili avamile emthaleni, kodwa amandla awo enza kube nzima ukuzalwa nokuphila kwemihlaba. Kulo mongo, uhlelo I-TOI-2267, esendaweni engaba ngu-190 light years away, ivelele ngokuqoqwa imizimba emithathu efana noMhlaba emigudwini emifushane kakhulu ezungeze ipheya yezinkanyezi ezihlangene kakhulu.
Yini etholakele nokuthi kungani ibalulekile
I-TOI-2267 yakhiwe ama-dwarfs amabili abomvu ohlobo lwe-M5 ne-M6, ezincane nezibandayo, ezizungezana zisondelene kakhulu. Ukwehlukana okusobala phakathi kwabo kuyalingana cishe izikhathi eziyisishiyagalombili ibanga le-Earth-Sun (≈8 AU), indawo yamandla adonsela phansi okungelula ukuthi amaplanethi avele, futhi nokho uhlelo lubamba imihlaba embalwa enamadwala.
Isethi yephula amarekhodi aziwayo: kungukuthi, kuze kube manje, amaplanethi ahlangene futhi abanda kunawo wonke abonwa. Ngaphezu kwalokho, ukuhamba okuzungeze izinkanyezi ezimbili kurekhodiwe okungenani amaplanethi amabili, into engavamile kumasistimu anambambili asondelene kangako, nento yesithathu elingana noMhlaba njengekhandidethi eliqinile.
Indlela amaplanethi atholakale ngayo
Ukubamba iqhaza kweSpanishi bekuyisinqumo esibalulekile. Nge-algorithm yayo yokusesha, SHERLOCK, i-IAA-CSIC ikhombe imihlaba emibili kwemithathu ngokuhlaziywa kwangaphambi kwesikhathi kwedatha yomphakathi yale mishini Tess I-NASA. Le nzuzo ivumele ukuhlanganiswa okufika ngesikhathi kokubhekwa kokulandelela kusuka phansi.
Phakathi kwale mikhankaso, leyo yesibonakude esingamamitha angu-1,5 se- I-Sierra Nevada Observatory (OSN), amarekhodi awo ayeyisihluthulelo sokwembula ukwakheka kwesistimu kanye qinisekisa ukuhamba kuzo zombili izingxenye zezinkanyezi okungenani amaplanethi amabili, kuyilapho eyesithathu iqhubeka esigabeni sokuhlanganisa.
Umzamo wamazwe ngamazwe onesitembu saseYurophu
Ucwaningo, oluholwa ngokuhlanganyela yi-IAA-CSIC kanye ne Inyuvesi yaseLiège (Belgium), isekelwe amanethiwekhi ezibonakude afana ne-SPECULOOS kanye ne-TRAPPIST, enikeze ukubhekwa okubalulekile. Ukuxhumana kwamazwe ngamazwe bekubalulekile ekumbozeni amawindi ezokuthutha kanye nokunciphisa ukungaqiniseki.
Imiphumela ivela kujenali I-Astronomy & Astrophysics futhi inikeze imikhondo eqondile yokulungisa amamodeli okukhula kweplanethi nokufuduka kumasistimu kanambambili asondelene, ngokuvamile athathwa njengobutha ukwakheka kwemihlaba enamatshe.
Okulandelayo: ukuqaphela okusha
Imikhankaso ezayo ihlose ukukala izixuku nokuminyana ngokunemba okukhulu futhi, lapho kungenzeka khona, ukucinga amasignali asemkhathini. Izinsimbi ezifana ne James webb space telescope kanye nama-observatories amakhulu aseYurophu (ngokwesibonelo, i- I-ELT (I-ESO) izobaluleka ekuvezeni la maplanethi ngamaza amaza amaningi.
Ngaphandle kwelukuluku lokufuna ukwazi ngesibhakabhaka esinamalanga amabili, uhlelo luphakamisa imibuzo mayelana nokuzinza kwe-orbital, umsebenzi wezinkanyezi ku-M dwarfs nokungenzeka. izindawo okuhlalwa kuzo emigwaqweni eqinile kanjalo. Ukuxazulula le mibuzo kuzosiza ukucacisa ukuthi umhlaba opholile ungavela kuphi futhi kanjani emthaleni wethu.
Ukutholakala kwe-TOI-2267, nge amaplanethi amathathu afana noMhlaba kubhanambari we-ultra-compact kanye nokuhamba okubonwa kuzo zombili izinkanyezi okungenani ezimbili zazo, kuhlanganisa ubuholi besayensi baseYurophu naseSpain ekufuneni ama-exoplanets futhi bunikeza umbhede okhethekile wokuhlola ukuze ucabange kabusha ukwakheka kwamaplanethi ezindaweni ezinelanga elikabili.