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Subarcsecond images of CW-Tauri - constraints on disk size and jet formation


Gómez de Castro, Ana Inés (1993) Subarcsecond images of CW-Tauri - constraints on disk size and jet formation. Astrophysical journal, 412 (1, Part 2). pp. 43-46. ISSN 0004-637X

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Subarcsecond spatial resolution images in the [S II] and [N II] + Halpha emission lines of the T Tauri star (TTS) CW Tau are presented. It is shown that CW Tau has a jet that extends up to 2.2'' (300 AU) from the star in the direction P.A. = 144-degrees. The jet emits strongly in [S II], and it is already collimated at 1.3'' (176 AU) from the star. The images also indicate that CW Tau is extended in the east-west direction and that the jet is slightly shifted to the east. This suggests that CW Tau may be a binary with the two components separated 0.20'' (28 AU). The observations are compared with the theoretical models proposed for the production of forbidden line emission regions (FLERs) and protostellar jets.

Tipo de documento:Artículo
Palabras clave:Young stellar objects; France-Hawaii telescope; high-resolution camera; circumstellar disks; forbidden-line; Stars, formation; stars, individual (cw-tauri, fm-tauri, v773-tauri); stars, pre-main-sequence
Materias:Ciencias > Matemáticas > Astronomía
Código ID:16553
Depositado:27 Sep 2012 08:45
Última Modificación:27 Sep 2012 08:45

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