Speckle interferometry of molecular cloud sources at 4.8 microns

Details Speckle interferometry of molecular cloud sources at 4.8 microns Speckle interferometry of molecular cloud sources at 4.8 microns

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..400d&link_type=abstract

Astronomical Journal, vol. 87, Feb. 1982, p. 400-403.

Astronomy and Astrophysics

Astronomy

31

Interferometry, Molecular Clouds, Protostars, Speckle Patterns, Stellar Evolution, Thermal Emission, Black Body Radiation, Interstellar Extinction, Point Sources, Radiant Flux Density, Stellar Luminosity, Stellar Structure

Scientific paper

The spatial structure at 4.8 microns has been observed in W3-IRS 5, Mon R2-IRS 3, and S 140-IRS 1, the first two of which are clearly double. In addition, for four compact sources, low upper limits can be set to the angular diameters which are near those for blackbodies having the same fluxes and color temperatures observed for those sources. With a factor-of-2 higher-resolution, one may be able to distinguish between thermal emission or reddening as the source of the observed spectral shape.

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