SIMBAD references

1997A&A...325..755P - Astronomy and Astrophysics, volume 325, 755-757 (1997/9-2)

The spatial orientations of bipolar nebulae.


Abstract (from CDS):

We investigate the spatial orientation of mass outflow axes in post-main-sequence bipolar nebulae. As a consequence, some 71% of nebulae are found to have their outflow axes oriented within ±45o of the Galactic plane; a distribution which has a probability level of 5.8x10–4. There appear to be no clear mechanisms whereby such a non-random distribution may be explained.

Abstract Copyright:

Journal keyword(s): planetary nebulae - structure - outflows

Simbad objects: 56

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