Statistics – Computation
Scientific paper
Jan 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...367..333e&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 367, Jan. 20, 1991, p. 333-349.
Statistics
Computation
21
Interstellar Masers, Radiative Transfer, Star Formation, Water Masers, Brightness Temperature, Computational Astrophysics, Maser Outputs, Stellar Luminosity
Scientific paper
The complete solution of a filamentary maser is presented. An integral equation and an iterative procedure are developed to calculate and solve the contribution of rays emanating from the filament sidewall. The solution provides complete expressions for the distributions of intensity and flux across the source as functions of position and direction with regard to the axis. The results are used to find the number distribution of brightness temperature in a large sample of randomly oriented filaments with an arbitrary distribution of lengths. The effects of external radiation on the maser structure and intensity are studied. It is proposed that the two giant bursts of H2O maser emission observed in W49 and Orion resulted from the interaction or two interacting filaments and a foreground slab amplifying a background filament.
Elitzur Moshe
Hollenbach David J.
McKee Christopher F.
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