20/10/2004 – Auditório Principal Bloco G – IAG/USP
Dra. Silvia Torres-Peimbert
Instituto de Astronomia/UNAM – México
Título/Title: Comparison between M 1-92, a bipolar protoplanetary nebula and MWC 560, a symbiotic star
Resumo/Abstract:
| The spectra and other
characteristics of both objects are very similar. They show the signature
of a jet, are binary systems and have circumnuclear disks. An evolutionary sequence is proposed for the two objects; where M 1-92 is 900 yr more evolved than MWC 560. |
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