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Spatially Resolved Observations of the Unidentified Dust Features in BD +30°3639

Published online by Cambridge University Press:  19 July 2016

C. H. Smith ,
D. K. Aitken  and
P. F. Roche
C. H. Smith
Affiliation:
Dept. of Physics, University College, University of N.S.W. Australia
D. K. Aitken
Affiliation:
Dept. of Physics, University College, University of N.S.W. Australia
P. F. Roche
Affiliation:
Royal Observatory of Edinburgh, U.K.

Abstract

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High resolution spatial scans through the planetary nebula BD +30°3639 have been made with the UCL cooled grating spectrometer at the IRTF. A spectral resolution of λ/Δλ = 50 was sufficient to resolve the unidentified dust features at 8.6 and 11.3 μm and separate them from the continuum emission. The scans were made in .7 arcsec steps across the nebula with a 1.8 arcsec diameter beam.

Type
II. Nebular Properties
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 203
Copyright
Copyright © Kluwer 1989