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Unravelling the Structure of Aspherical Protoplanetary Nebulae I. HST Imaging and OH Maser-Line Observations of Roberts 22We have obtained high-resolution wide-band, narrow-band and polarimetric images of the bipolar protoplanetary nebula Roberts 22 with the Wide-Field & Planetary Camera 2 on HST. OH maser-line emission has also been observed using the Australia Telescope Compact Array.
Document ID
20060041663
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
hdl:2014/20803
Authors
Sahai, R.
Zijlstra, A.
Bujarrabal, V.
Hekkert, P. L.
Date Acquired
August 23, 2013
Publication Date
December 1, 1998
Publication Information
Publication: Astronomical Journal
Subject Category
Astronomy
Distribution Limits
Public
Copyright
Other
Keywords
cicumstellar matter mass-loss post-AGB planetary nebulae
bipolar protoplanetary nebula Roberts 22 Wide-Field & Planetary Camera 2 HST

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