Very Young PPNe: OVRO Snap-Shot CO (1-0) Emission Survey

Details Very Young PPNe: OVRO Snap-Shot CO (1-0) Emission Survey Very Young PPNe: OVRO Snap-Shot CO (1-0) Emission Survey

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..313..377s&link_type=abstract

Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August

Astronomy and Astrophysics

Astronomy

5

Scientific paper

We present recent results from our ongoing snap-shot CO (1-0) emission survey of very young PPNe with the millimeter array of the Owens Valley Radio Observatory (OVRO). A total of 25 young-PPNe candidates, which were selected from our optical/NIR imaging/spectroscopic survey, have been observed so far with OVRO leading to a large CO and 2.6 mm-continuum emission detection rate (˜92% and 65%, respectively). From a preliminary analysis of the data we have obtained important information on the physical properties of the circumstellar envelopes of some of these objects.

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