IAR 05382
INSTITUTO ARGENTINO DE RADIOASTRONOMIA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
A search for relics of interstellar bubbles originated in LBV progenitors
Autor/es:
C.E. CAPPA; S. CICHOWOLSKI; J. VASQUEZ; J.R. RIZZO
Lugar:
Rio de Janeiro, brasil
Reunión:
Workshop; Joint Discussion sobre Eta Carinae in the context
of the Most Massive Stars, 27th asamblea General de la IAU; 2009
Institución organizadora:
Unión astronómica Internacional
Resumen:
The strong stellar winds of massive O stars swept-up and compress the surrounding interstellar gas creating interstellar bubbles in their environs. In this modified environment, massive stars evolvefirst into Luminous Blue Variables (LBVs), which are the immediateprogenitors of WR stars.Using medium angular resolution radio surveys we investigate thepresence of interstellar bubbles originated in the stellar winds of the O-type progenitors of a number of galactic LBVs and LBVcandidates.We have found HI cavities and shells probably originated in the massive progenitors of P Cygni, G79.29+0.46, AG Carinae, and He3-519.
