keey 2-138

keey 2-138,245950175 athawa ii-1 ennum ariyappedunna, poura shaasthranjar kandethiya kuranjathu 6 grahangalude samvidaanamulla oru valia aadyakaala keey-type pradhana sequence nakshatramaanu. 2017 epril aadyam soonivazhsile exoplanet explorers padhathiyude aadya rund divasangalil naalennam kandethi, athesamayam rund kooduthal vishakalanagalil velippeduthi. gadippichirikkunnu kaambeyn 12-ll aquarious nakshathrasamoohathil eee samvidaanam ekadesham akaleyaan.
grahangalude vyavastha.
poura shaasthranjarude shramangaliloode kandethiya dhaaraalam grahangalkk keey 2-138 sradheyamaanu. avayude aathidheya nakshathrathil ninnu kramatthil k 2-138 b, c, d, e, f, g enningane namakaranam cheyyappedunnu. aadyathe anjennam christianiyum mattullavarum sharivachu.athesamayam, keey 2-138 jii oru saadhyathayulla sthaanaarthiyaayi rekhappeduthappettu. ennirunnaalum, athil rund traansittukal maathramundaayirunnathil, k 2-138 g saadhookarikkaan kazhinjilla. eee sthaanaarthiyude rund traansittukal rund vyakthigatha deerghakaala grahangalil ninnullavayayirikkaallanu saadhyathayund. saadhyathayund 2019lum nadanna thudar padanangal keey 2-138 jii sthireekarichu.
aarr grahangalum suuppar-erthu, miinii-neptyoon vibhagangalil pedunnu, ekadesham 1.6 muthal 3.3 vare vyaasamullavayaan. keey 2-138 jii ulppede puram anchu, khara uparithalamillaatha cheria vathaka lokangalayirikkaam. ennirunnaalum, cheria k 2-138 b paarayaayirikkam. traansit-timing vyathiyaanam (tii. tii. vii) vishakalanathin keey <aii. dii. 1>-nte daattaykk mathiyaya uyarnna signal-tuu-noys anupatham illaathathinaal grahangalude pindam thudakkathil anjjaathamaayirunnu. ennirunnaalum, spitsar bahirakasha dooradarshiniykku tii. vii. kall krithyamaayi kandethaanum grahangalude pindam kanakkaakkunnathilekk nayikkanum kazhiyum. bii muthal eph vareyulla grahangal 2.5 muthal 7.1 minitt vare kramatthil, 4 muthal 7 vare pravachikkapetta pindangalkk tii. vii. kalkk kaaranamaakumenn pravachikkappedunnu.
k 2-138-nte anchu saadhookaricha grahangal maathru nakshathrathodu valare aduthaanu, koodaathe 3:2-nuu aduthulla anurananakalude thakarkkappedaatha shringhala roopappeduthunnu. avayude bhramanakaalakhattam 2.35 muthal 12.76 divasam vareyaanu, aaraamathe graham ekadesham 41 divasathe kaalayalavumaayi valare kooduthal chuttunnu. keey 2-138 bii, sii, dii, iii, eph enniva three-body anurananakalude niravadhi shringalakalil poottiyirikkunnu, trappist-1, keppler-80 ennivayulppede kurachu sisttangal maathrame ithu pankittulloo. aadyathethu pole, keey 2-138 nuu mandagathiyilulla, inward disk migrationte anthima phalam kaanikkan kazhiyum.
aas meettingil k 2-138 g-nte spitsar nireekshanangal prakhyaapichu. aiposttar k 2-138 g-nte update cheytha aaram kaanikkunnu, ithu sisttathile ettavum valia grahamaayi maarunnu. 2021 februvariyil sthireekarikkunnathuvare eee phalam praadhamikamaayirunnu.
jyothishaasthranjarude oru samgham 79 rathrikalilaayi 215 spectrakal shekharichu, eeso 3.6 meter dooradarshiniyil harps gadippichirikkunnu. gadippichirikkunnu photometry, harps radial-velosittikal (arvs) ennivayude bayeshyan vishakalanathiloode bii grahatthinte pindatthe iii lake parimithappedutthaan teaminu kazhinju. grahangalude bulk saandrata bii grahatthinte bhoomi polulla saandrata muthal iii grahatthinte neptyoon polulla saandrata vareyaanu. pindove saandrathayum grahangalude ghadanaye thadassappeduthunnu. avaykku paarakkettukalum volaattailukal chernna ganyamaaya anthareeksha paaliyum undakaan saadhyathayund. f, g ennee grahangale sambandhichidatholam pindatthinte uyarnna paridhi 8.7,25.5 bhouma pindangalayi parimithappedutthaan eee teaminu kazhinju.
akuna mattullavarum ezhuthiya oru paper. neeravi, suuppar critical ghattangalil vellam adangiya oru asthira paali anumaanichukondu keey 2-138 sisttathinte jalathinte alavu padichu. bii grahathinu 0.7 sathamaanam jala pindamullathum asthiramaaya oru daridra grahavumaanennu avar kandethunnu. aathidheya nakshathrathil ninnu varunna shuvu-vikiranathaal oothikkettiya kattiyulla jalanthareeksham upayogichu bii graham roopappettirikkaam. foto baashpeekaranam ennu vilikkunna oru prakriya. 
66 sathamaanam jala pindamulla eee grahatthile ettavum jalasamriddhamaaya grahamaan eph. jii grahatthinte aaram jalasamriddhamaaya gadanayulla oru grahathekkaal valuthaanennum jii grahathinu hydrajan heeliyavum niranja anthareekshamundennum eee saahacharyathil uyarnna asthira pindam 5 sathamaanam maathramaayirikkumennum gaveshakar nigamanam cheiyunnu. bhoomiyumaayi thaarathamyappeduthumbol eee sisttathile ellah grahangalkkum pindam kuranja coor undayirikkaam.
2019 desemberil vikshepicha cheops douthyathinte aadya prakhyapana avasara (eiii. oo.-1) paripaadiyil keey <aii. dii. 1> oru lakshyamaayi ezz. eiii thiranjedutthu. 87.6 bhramanapathangalil bahirakasha pedakam grahangalude tii. tii. vikal alakkunnathinulla traansittukal rekhappeduthum. aarvi, tivi maas enniva thaarathamyam cheiyunnathinulla oru maanadanda samvidaanamaayi keey 2-138 mariyekkaam. keey 2-138 polulla anuranana shringhala samvidaanangalil nilanilkkumennum sthirathayullathaanennum pravachikkappedunna qoo-oorbittal bodikalkkaayi thirayunnathinum eee samvidaanam oru nalla sthaanaarthiyaanu.

