Infrared speckle imaging - Improvement of the method; results on Miras and protostars

Details Infrared speckle imaging - Improvement of the method; results on Miras and protostars Infrared speckle imaging - Improvement of the method; results on Miras and protostars

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...120..237m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 120, no. 2, April 1983, p. 237-248.

Astronomy and Astrophysics

Astrophysics

41

Infrared Interferometers, Late Stars, Protostars, Speckle Patterns, Stellar Envelopes, Variable Stars, Astronomical Photography, Data Reduction, Molecular Clouds, Transfer Functions

Scientific paper

Improved data reduction methods, including the selection of true diffraction-limited images, are presented for a new IR speckle interferometer. After briefly interpreting 19 partial spectra obtained for 11 sources, some of which have been observed at several position angles and/or wavelengths, attention is given to the more interesting results acquired for three objects: IRC + 10216, whose ellipticity was derived at 4.6 microns, the protostellar candidate GL 2591, whose angular size is too small to account for the total luminosity of the associated molecular cloud, and MWC 349, whose upper limit supports a preplanetary disk model.

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