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NG7538 IRS1 N: modeling a circumstellar maser disk
M. R. Pestalozzi, M. Elitzur, J. Conway +1
We present an edge-on Keplerian disk model to explain the main component of the 12.2 and 6.7 GHz methanol maser emission detected toward NGC7538-IRS1 N. The brightness distribution…
A thin ring model for the OH megamaser in IIIZw35
R. Parra, J. E. Conway, M. Elitzur
We present a model for the OH megamaser emission in the starburst galaxy IIIZw35. The observed diffuse and compact OH maser components in this source are explained by a single phas…
Spectral line and continuum radiation propagation in a clumpy medium
J. E. Conway, M. Elitzur, R. Parra
We discuss the propagation of spectral line and continuum radiation in a clumpy medium and give general expressions for the observed absorption or emission from a cloud population.…
Bipolar outflow on the Asymptotic Giant Branch - the case of IRC+10011
D. Vinkovic, Th. Bloecker, K. -H. Hofmann +2
Near-IR imaging of the AGB star IRC+10011 (= CIT3) reveals the presence of a bipolar structure within the central ~0.1 arcsec of a spherical dusty wind. We show that the image asym…
A Circumstellar Disc in a High-Mass Star Forming Region
Michele R. Pestalozzi, Moshe Elitzur, John E. Conway +1
We present an edge-on Keplerian disc model to explain the main component of the 12.2 and 6.7 GHz methanol maser emission detected toward NGC7538-IRS1 N. The brightness distribution…