
55 raddaakkuka

55 cancrey iii (churukkatthil 55 cnc iii, aupachaarikamaayi jansen ennu namakaranam cheyyappettu) athinte sooryaneppolulla aathidheya nakshatramaaya 55 cancrey eyude bhramanapathathilulla oru exoplaanattaanu. exoplaanattinte pindam ekadesham 8.63 bhouma pindove athinte vyaasam bhoomiyude erattiyumaanu, athinaal oru pradhana sequence nakshathrathinu chuttum kandethiya aadyathe suuppar-erthu aayi ithu maarunnu, ithu oru varsham kondu 876 dii. oru bhramanapatham poortthiyaakkaan 18 manikkooril thaazhe samayamedukkunna ithu athinte grahavyavasthayile ettavum ariyappedunna grahamaan. 2004 august 30-nuu 55 cancrey iii kandethi. ennirunnaalum, 2010-leeii nireekshanangalum punarnirnayangalum vare, eee graham nakshathrathe parikramanam cheyyaan ekadesham 2.8 divasamedukkumennu karuthappettirunnu. 2012 octoberil 55 cancrey iii oru kaarban grahamaakumenn prakhyaapichu.
2016 februvariyil naasayude hubble space telescope hydrajan heeliyavum (hydrajan sionideinte nirddeshangalum) kandethiyathayi prakhyaapichu, ennaal 55 cancrey iii anthareekshathil neeravi illa, aadyamaayi oru suuppar-erthu exoplaanattinte anthareeksham vijayakaramaayi vishakalanam cheythu.
peru.
2014 joolaiyil anthaaraashtra jyotishaasthra union (aii. eiii. yuu) chila exoplaanattukalkkum avayude aathidheya nakshatrangalkkum sariyaaya perukal nalkunnathinulla oru prakriyaya namexovaleds aarambhichu. pothu naamanirddeshavum puthiya perukalkkulla votting ulppettathaayirunnu eee prakriya. 2015 desemberil, eee grahatthinte vijayakaramaya peru jansen aanennu aii. eiii. yuu prakhyaapichu. royal netherlands association phoor meteeriyolaji aandu aastronami oof netherlands aanu vijayiyude peru samarppichath. chilappol dooradarshiniyude kandupiduthavumayi bandhappettirikkunna kazhcha nirmmathaavaaya sacharias jaansane ithu bahumaanikkunnu.
kandethal.
keppler dauthyathinu munbu kandethiya bhooribhaagam sourayoodhathinu purathulla grahangaleyum pole, 55 cancrey iii athinte nakshathratthinte radial vegathayile vyathiyanangal kandethiyanu kandethiyathu. 55 kaansri eiii spektrathinte doppler shifttinte sensitiivu alavukal nadathiyaanu ithu nediyathu. ithu kandethiya samayat, mattu moonnu grahangal nakshathrathe parikramanam cheiyunnathaayi ariyappettirunnu. eee grahangale kanakkukoottiyathinusesham, ekadesham 2.8 divasam sheshikkunna oru signal, valare adutha bhramanapathathil kuranjathu 14.2 bhouma pindamulla oru grahathinu vishadeekarikkaan kazhiyum.
anishchithathvamulla 55 cancery sii grahatthinte nilanilpp sthireekarikkaan ithe alavukal upayogichu. kandethiya neptyoonumaayi thaarathamyappeduthaavunna pindamulla aadyathe sourayoodhathinu purathulla grahangalilonnaanu 55 cancrey iii. glease 436 bii enna peril chuvanna kullan nakshatramaaya glease 436 neey parikramanam cheiyunna mattoru "choodulla neptyoon" yude athe samayathaan ithu prakhyaapichathu.
graham velluvilichu.
2005ll daattayude punarvishakalanatthil jacq njaanam iii grahatthinte asthithvathe chodyam cheythu. 2.8-day graham oru aparanaamamaanennum, vyathyasthamayi, ekadesham 55 divasam bhramanapathathil 260 divasathe oru graham undennum addeham nirddeshichu. 2008ll fisher mattullavarum. 2.8-day grahathinteyum 260 divasathe grahathinteyum nilanilpp sthireekarikkunna oru puthiya vishakalanam prasidheekarichu. ennirunnaalum, 2010-ll daxon fabrici eee grahathe oru aparanaamamaayi kaanichu; athinte yadhaartha kaalayalav 0.7365 divasangalaayirunnu.
traansit.
ettavum kooduthal bahirakasha dooradarshinikalulla randaazhchathe thudarchayaaya photometric nireekshanatthe adisthaanamaakki 2011 epril 27 nuu grahatthinte aathidheya nakshathratthinte sanjaarathe prakhyaapichu. daxon fabrici pravachicha kaalayalavilum (0.74 divasam) ghattathilumaanu traansittukal sambhavikkunnath. ariyappedunna oru nakshathrathinu chuttum sthireekarikkappetta churukkam chila graha parivartthanangalil onnaanith, koodaathe grahatthinte gadanayekkurichulla anweshanangal anuvadikkukayum cheythu.
bhramanapathavum pindove.
55 cancrey iii kandethaan upayogikkunna radial velosity reethi bhoomiyude 7.8 madangu allengil neptyooninte pindatthinte 48 sathamaanam pindam nedunnu. traansit kaanikkunnath athinte chaayvu ekadesham 83.4 ± 1.7 aanennu, athinaal yadhaartha pindam ettavum kuranjathinu aduthaanu. 55 cancrey iii ennathu bii ulla coplanor aanu.
graham veliyettathaal poottappedaan saadhyathayund, athaayath oru sthiramaaya pakal vashavum sthiramaaya ratri vashavumund.
savisheshathakal.
55 cancrey iii kku glyes 436 bii yill ninnu kooduthal vikiranam labhikkunnu. grahatthinte nakshathrathe abhimukeekarikkunna vashath irumbu urukaan paryapthamaaya choodulla 2,000 kelviniladhikam (ekadesham 1,700 digri selshyas allengil 3,100 fahrenheit) thaapanilayund. spitsar bahirakasha dooradarshini upayogichulla infrared mapping sharashari pakal thapanilayum sharashari ratri thapanilayum soochippikkunnu. 2022-leeii spitsar daattayude punarvishleshanathil pakal thaapanila kooduthal choodullathaayi kandethukayum ratri thaapanilayude uyarnna paridhi nischayikkukayum cheythu.
55 cancrey iii neptyoon polulla oru cheria vathaka bheemanaano atho oru valia parakkettulla bhouma grahamaano ennu thudakkathil ariyillaayirunnu. 2011-ll, grahatthinte oru sanjaaram sthireekarikkappettu, ithu shaasthranjare athinte saandrata kanakkakkaan anuvadichu. jalagrahamaanennaanu aadyam karuthiyirunnathu. praadhamika nireekshanangal traansit samayat athinte lyman-alfa signecharil hydrajan illennu kaanichathinaal, athinte asthiramaaya vasthukkal vellathino hydrajanino pakaram kaarban dye ooksaidaayirikkaamennu ehrentichu anumaanichu.
sourayoodhathile bhouma grahangale nirmmikkunna ooksijan sambushtamaaya vasthukkalekkaal kaarban sambushtamaaya vasthukkalaal nirmmicha oru kharagrahamaanu 55 cancrey iii ennathu oru badal saadhyathayaanu. eee saahacharyathil, grahatthinte pindatthinte ekadesham moonnilonnu kaarban aayirikkum, athil bhooribhaagavum grahatthinte ulbhaagathe thapanilayudeyum sammarddathinteyum falamaayi vajrathinte roopathilaayirikkaam. grahatthinte swabhaavam sthireekarikkaan kooduthal nireekshanangal aavasyamaanu.
moonnaamathe vaadam veliyetta shakthikalkkum bhramana, bhramana kendrapasara shakthikalkkum raathribhaagath hydrajan sambushtamaaya anthareekshathe bhaagikamaayi parimithappedutthaan kazhiyum ennathaanu. agniparvvatha enangal aadhipathyam pulartthunna anthareekshavum valia hydrajan gadakavum oohikkumbol, asthiramaaya hydrajan illaathappol bharameriya thanmaathrakale 80° akshaamshathinullil parimithappedutthaam. eee asamathvam kaaranam, hydrajan pathukke pakal samayathekku vyaapikkendivarum, avide ex-reyum ultraviolet vikiranavum athine nasippikkum. eee samvidaanam praabalyatthil varunnathinu, 55 cancery iii athinte hydrajan kavarinte mothatthilulla nashtam sambhavikkunnathin munbu veliyettathode poottiyirikkendathu aavasyamaanu. eee maathruka hydrajante saannidhyam kandethiyathayi avakaashappedunna spectroscopic alavukalumaayum ganyamaaya hydrajan-naasha nirakk kandethaan kazhiyaatha mattu padanangalumaayum poruthappedunnu.
2016 februvariyil naasayude hubble space telescope 55 cancrey iii anthareekshathil hydrajan sionide kandethiyenkilum neeravi illennu prakhyaapichu, ithu anthareeksham pradhaanamaayum hydrajan allengil healium aanenkil maathrame saadhyamaakoo. ithaadyamaayaanu oru suuppar-erthu exoplaanattinte anthareeksham vijayakaramaayi vishakalanam cheiyunnathu. spitsar bahirakasha dooradarshiniyumaayulla infrared nireekshanangal bhoomiyekkaal alppam kattiyulla 1.4 baar mardhamullah oru aagola laava samudrathinte saannidhyam soochippikkunnuvennu 2017 novemberil prakhyaapichu. spitsar nireekshikkunna infrared daattaykk kaaranamaakunnathin bhoomiyude anthareekshathil naitrajan, orupakshe ooksijan thudangiya samanamaaya rasavasthukkal anthareekshathil adangiyirikkaam. 2016 februvariyile kandethalukalkk virudhamaayi, 2012 leeii oru spectroscopic patanam anthareekshathil ninnu hydrajan rakshappedunnathu kandethunnathil parajayappettu, 2020 leeii oru spectroscopic patanam healium rakshappedunnathu kandethunnathil parajayappettu, ithu grahathinu orupakshe aadima anthareeksham illennu soochippikkunnu. ooksijan, naitrajan thudangiya bharameriya thanmathrakalaal nirmmicha anthareekshangale eee daatta thallikkalayunnilla.
agniparvvathavaadam.
55 cancrey iii-leeii valia uparithala-thaapanila vyathiyaanangalkk kaaranam grahathe moodukayum taapa udvamanam thadayukayum cheiyunna valia podikalude meghangal purathuvidunna agniparvvatha pravarthanangalaanu. 2022 aayappozhekkum, nireekshanam grahangalude sanjaara aazhathil valia vyathiyaanam kaanichu, ithu valia thothilulla agniparvvathathinu kaaranamakaam, allengil grahavumaayi oru variable vathaka torres qoo-oorbittalinte saannidhyam.