Dynamics of the Collimated Outflows of the PPN Hen 3-1475

Bibcode
2001ASSL..265..209R
Riera, Angels; García-Lario, Pedro; Manchado, A.; Bobrowsky, Matthew
Referencia bibliográfica

Post-AGB Objects as a Phase of Stellar Evolution, Proceedings of the Toruń Workshop held July 5-7, 2000. Edited by R. Szczerba and S. K. Górny. Astrophysics and Space Science Library Vol. 265, ISBN 07923-71453. Publisher: Kluwer Academic Publishers, Boston/Dordrecht/London, 2001.

Fecha de publicación:
8
2001
Número de autores
4
Número de autores del IAC
1
Número de citas
2
Número de citas referidas
2
Descripción
Hen 3-1475 (IRAS 17423-1755) has recently been identified via ground-based and HST optical images as a bipolar proto-planetary nebula displaying a remarkable highly--collimated optical jet and a spectacular S-shaped string of knots along its bipolar axis, associated to extremely high velocities which decrease with the distance to the central star. We present new long-slit high resolution spectroscopy of the highly collimated regions of Hen 3-1475. IRAS 17423-1755 The high-dispersion spectra are used together with the high angular resolution images obtained with HST WFPC2 to provide a comprehensive picture of the complex structure and kinematics of the shocked--excited emission and the dust--scattered emission in this proto-planetary nebula. The overall picture supports a temporal and angular variability of the jet ejection.
Tipo
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