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Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
10.11.2014 23:55 | A.P. Vasi
\\\Sverhnovaya, izvestnaya kak SN1987A, byla vpervye obnaruzhena nablyudatelyami v Yuzhnom polusharii v 1987 godu, kogda gigantskaya zvezda neozhidannogo vzorvalas' na okrainah sosednei karlikovoi galaktiki Bol'shoe Magellanovo Oblako.\\\
Nashi nablyudeniya pri pomoshi teleskopov ALMA i ATCA pozvolili obnaruzhit' priznaki nalichiya togo, chego my ran'she ne nablyudali, raspolozhivshegosya v centre ostatkov. Eto mozhet byt' plerion, upravlyaemyi vrashayusheisya neitronnoi zvezdoi ili pul'sar, kotoryi astronomy iskali s 1987 goda. Eto udivitel'no, chto lish' seichas my smogli zaglyanut' cherez musor, ostavshiisya posle vzryva i uvidet' to, chto skryto.
Pomimo vsego prochego, uchenye iz drugoi gruppy razrabotali detalizirovannuyu trehmernuyu simulyaciyu rasshiryayusheisya udarnoi volny ot sverhnovoi, kotoraya horosho sochetaetsya s nablyudeniyami.
Tot fakt, chto model' tak horosho sootvetstvuet nablyudeniyam, oznachaet, chto my horosho ponimaem fiziku rasprostraneniya ostatkov i nachinaem ponimat' sostav sredy, okruzhayushei sverhnovuyu, chto yavlyaetsya vazhnoi chast'yu ponimaniya processa formirovaniya ostatkov SN1987.
\\\Na izobrazhenii sleva vid sverhnovoi 1987A s teleskopa Habbl, poluchennyi v 2010 godu. Na central'nom izobrazhenii vid s teleskopov ALMA i ATCA. Na izobrazhenii sprava sgenerirovannaya na komp'yutere vizualizaciya, pokazyvayushaya vozmozhnoe raspolozhenie pul'sara.\\\
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- Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(Astronomicheskaya kartinka dnya,
9.11.2014, 1.8 KBait, otvetov: 9)
Pochemu v etom gigantskom diske est' sheli?... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(V.N. Sergeev,
10.11.2014 22:17, 85 Bait)
Snimok skoree oprovergaet gazo-pylevuyu teoriyu obrazovaniya planet, chem podtverzhdaet. - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
10.11.2014 22:55, 2.6 KBait)
Na snimke s moei tochki... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
10.11.2014 23:51, 1.7 KBait)
Yasnyi kon' chto napisannaya proga... - >> Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
10.11.2014 23:55, 2.4 KBait)
\\\Sverhnovaya, izvestnaya kak SN1987A... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
10.11.2014 23:57, 848 Bait)
Astronomy proanalizirovali posledstviya vzryva sverhnovoi... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(V.N. Sergeev,
11.11.2014 21:01, 197 Bait)
Pesochnye chasy? No ellips ukazyvaet... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
11.11.2014 22:08, 799 Bait)
Eto s moei tochki zreniya... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
11.11.2014 22:23, 417 Bait)
Dumayu... - Re: Protoplanetnyi disk zvezdy HL Tel'ca ot ALMA
(A.P. Vasi,
11.11.2014 22:25, 440 Bait)
Vot eti budut analogami.