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Article
Theoretical modelling of SiO maser lineshapes
Various factors affecting the lineshapes of SiO masers have been considered: saturation, competitive gain, velocity redistribution and properties of the circumstellar envelope supporting the masers. The linesh...
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Article
A Model for the Variability of SIO Masers in Mira Variables
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Article
Simulating H2O Maser Emission in the Mass Outflows from Evolved Stars
The combination of a time-dependent spherically symmetric hydrodynamic model of stellar atmosphere pulsation and a radiation transport code, which incorporates maser saturation theory, enabled us to synthesise...
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Article
The Sub-Pc Scale Accretion Disk of Ngc 4258
Water megamasers have been found to trace parsec/sub-parsec, circumnuclear accretion disks in several AGN (e.g., Circinus, NGC 1068 & NGC 4258). High-spatial (0.5 mas) and velocity resolution (0.2 km s−1) VLBA im...