... Unveiling the disk-jet system in the massive (proto)star IRAS20126+4104 . Abstract:. ... a single star, then this cannot be a ZAMS star, but more likely a massive protostar which derives its luminosity from accretion ...
... The observations reveal the population of young stars that accompanies the formation of intermediate-massstars. ... star, confirming that the mode of formation of intermediate-massstars represents the transition between the high-mass and the ...
... The existence of accretion disks around massivestars (M> 5 M ) remains a matter of ... constraints to the possi- bility of forming planetary systems around massivestars ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/hbe_disks/hbe_disks.ps.gz -- 152.9 Кб -- 11.09.2007 Похожие документы
... The Vela Molecular Ridge is one of the nearest intermediatemassstar forming regions, located within the galactic plane and ... This is particularly true for massivestar forming regions, since they usually are farther away than lowmassstar forming ...
... EDITOR SiO outflows in high-massstar forming regions: A potential chemical clock ... propose that O-B stars form via accretion, in a similar fashion to low-massstars ...
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Ссылки http://www.arcetri.astro.it/science/starform/preprints/sepulcre_03.pdf -- 938.6 Кб -- 24.11.2010 Похожие документы
... tion of young stars that accompanies the formation of intermediatemassstars ... mode of formation of intermediatemassstars represents the transition between the ... At the other extreme, high massstars are associated with rich clusters with ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/herbig/herbig.ps.gz -- 262.6 Кб -- 11.09.2007 Похожие документы
... to keep the ratio of the disktostarmass constant and to the appropriate stellar ... Do they form, as lowmassstars do, from the collapse of a molecular core? ... to the much better known premain--sequence lowmassstars, the T Tauri stars (TTS ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/bd_disk_cha/ms.ps.gz -- 82.3 Кб -- 11.09.2007 Похожие документы
... 1997) find that the ages of low massstars in the Orion Nebula Cluster (ONC) range ... Since the birth a high massstar is expected to halt star formation in its vicinity ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/proplyds/proplyds.ps.gz -- 230.3 Кб -- 11.09.2007 Похожие документы