A "water fountain": discovery of a molecular jet from an AGB star

Details A "water fountain": discovery of a molecular jet from an AGB star A "water fountain": discovery of a molecular jet from an AGB star

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002asthe..95..589i&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 95, No. 12, p. 589 - 595 (2002)

Astronomy and Astrophysics

Astronomy

1

Agb Stars, Jets, Planetary Nebula

Scientific paper

We discovered a highly collimated jet of molecular gas from an OH/IR star, W43A, on basis of VLBI observations of water vapor masers. The existence of a fast jet associated with a Mira-type pulsating star implies that an elongated planetary nebula has been formed during the short period (<1000 years), when the star makes its transition through the final stage of the asymptotic giant branch (AGB) to become a central star of a planetary nebula.

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