
1241 dysona

1241 dysona, thaalkkaalika padavi, chhinnagraha valayathinte puram pradeshangalil ninnulla ekadesham 77 kilometer vyaasamulla oru irunda pashchaathala chhinnagrahamaan. 1932 march 4 nuu dakshinaafrikkayile johannasburgile union obsarvettariyil engleesh jyothishaasthranjanaaya haari edwin wood aanu ithu kandethiyathu. engleesh jyothishaasthranjanaaya frank vaatsan daisante peraanu chhinnagrahathinu nalkiyirikkunnath.
bhramanapathavum vargeekaranavum.
"pradhana belttinte pashchaathala janasamkhyayil ninnulla oru kudumbamallattha chhinnagrahamaan dysona. ithu 5 varshavum 8 maasathilum (2,081 divasam; 3.19 aounte ardha-pradhana aksham) orikkal 2.9-3.5 aou enna akalatthil sooryane parikramanam cheiyunnu. athinte bhramanapathathinu 0.10 enna vikendrathayum grahanavumaayi bandhappett 24° cherivum undu.
1908 februvariyil toundan obsarvettariyilaanu () eee chhinnagraham aadyamaayi nireekshikkappettath. 1920 maarchil heidelberg obsarvettariyilennapole allengil johannasburgile audyogika kandethal nireekshanatthinu 12 varsham munbu shareerathinte nireekshana kamaanam aarambikkunnu.
shaareerika savisheshathakal.
tholan vargeekaranathil, "dysona spectral tharam avyakthamaanu, oru aadima pii-typinode ettavum aduthathum dii-sii-type chhinnagrahavumayi (pdc) saamyamullathumaan.
bhramana kaalayalavum dhruvavum.
2006 eprilil australiyayile leura obsarvettariyil juuliyan oaykku "dysona" yude oru bhramana laitt karvu labhichu. laitt karvu vishakalanam 0.14 magnitude () prakasha vyathyasamulla 8.6080 manikkoor bhramana kaalayalav nalki, 2010 octoberil jeane-gabriel boshh, laurent brunetto ennivarude photometric nireekshanangale marikadannu, avar 8.355 manikkoor kaalayalavum 0.25 magnitude () amplitude alannu.
2016ll, yuu. eiii. pii. sii., palomer traansiyant factory sarway, vyakthigatha nireekshakar ennivayil ninnulla daatta upayogichu oru model laitt karvu, ekliptik kordinettukalil (λ, β) 8.60738 manikkoor samayavum (125.0 °, −68.0 °) jyotishaasthra dhruvavum nalki.
vyaasavum albido.
infrared jyotishaasthra upagrahamaaya iraz, japanese akari upagraham, naasayude wide feeld infrared sarway explorarinte neovice dauthyam enniva nadatthiya sarvekal anusarichu, "dysona" 70.757 num 83.05 kilometerinum edayilulla vyaasavum athinte uparithalathinu 0.14 num 0.0585 num idayil albido undu.
sahakarana chhinnagraha laitt karvu link" iraasinu labhicha phalangal sweekarikkunnu, athaayath, 0.0425 nte albido 83.05 kilometer vyaasavum 9.45 nte kevala vyaapthiye adisthaanamaakkiyullathaanu.
peru.
1922ll britiish jyothishaasthranjanum royal obsarvettari directorumaaya frank vaatsan daisan (1868-1939), 1922ll greenwich royal obsarvettari director 1928 muthal 1932 vare anthaaraashtra jyotishaasthra union presidendumaaya frank vaatsan daisan ennivarude perilaanu eee cheria grahathinu eee peru nalkiyirikkunnath. 1955ll pooll herjatt "cheria grahangalude perukalil" audyogika naamakarana udharanikal paraamarshichu. chandra garthatthinu addehathinte bahumaanaartham "daisan" ennum peru nalki.

