The effect of spatial coherence in interferometric measurements of radii

Details The effect of spatial coherence in interferometric measurements of radii The effect of spatial coherence in interferometric measurements of radii

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361..650j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 361, Oct. 1, 1990, p. 650-652. Research supported by NSF and U.S. Army.

Astronomy and Astrophysics

Astronomy

3

Interferometry, Interstellar Masers, Radii, Radio Sources (Astronomy), Astrometry, Coherent Radiation, Wave Equations

Scientific paper

The correction to interferometric measurements of the radii of sources due to the possible high spatial coherence of the source, as might occur for example, in some masers, is estimated by introducing a heuristic model. The results suggest that the usual interpretation of such measurements might give an estimate of the size which is too small by the order of 10 percent.

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