... The presence o f NH3 around Car hints that molecular shells around some Wolf-Rayet stars could have originated in prior LBV eruptions, rather than in cool redsupergiant winds or the ambient interstellar medium. ...
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Ссылки http://www.atnf.csiro.au/management/atuc/2006jun/docs/4_Astrophys.pdf -- 1379.3 Кб -- 02.06.2006 Похожие документы
... According to Crowther et al. (1995), the most massive (> 60 M ) O stars evolve from the Of stage directly into highly luminous late WN(+abs) and WN7 stars without passing through an intermediate Luminous Blue Variable or redsupergiant phase. ...
... Smith on similar structures around Luminous Blue Variable stars in our own Galaxy calling into question the usual evolutionary scenario which invokes a transition of the progenitor of SN1987A from a redsupergiant to a blue supergiant in the recent past ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/feb07/ATNFnews_07Feb.pdf -- 2294.9 Кб -- 13.04.2007 Похожие документы
... Smith on similar structures around Luminous Blue Variable stars in our own Galaxy calling into question the usual evolutionary scenario which invokes a transition of the progenitor of SN1987A from a redsupergiant to a blue supergiant in the recent past ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/feb07/ATNFnews_07Feb_lowres.pdf -- 801.3 Кб -- 13.04.2007 Похожие документы
... Note the blue main sequence stars Be stars (pink), red supergiants (orange); A supergiant (white) The largest cluster of young massive stars in the SMC The beautiful h Car nebula. ...
... 2007; Pastorello et al. 2007] or changed from a slow to fast wind state such that it formed a wind-blown bubble (e.g., from a redsupergiant to a Wolf-Rayet star ~50 100 years prior to SN; Weaver et al. ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/apr09/ATNFnews_Apr09_lowres.pdf -- 1067.2 Кб -- 16.06.2009 Похожие документы
... it may be a massive late-type (red) star, a massive but compact blue star, or ... This turned up a bright, late-type (red) star with a K-band magnitude of 10.05 that ...