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H 2O and OH Masers as Probes of the Obscuring Torus in NGC 1068
We report the discovery of OH masers and positionally resolved H_2_O maser emission in the nucleus of NGC 1068. The brightest H_2_O masers are associated with the radio continuum component that is probably the location of ...
HI in AGN
(Astronomical Society of the Pacific, 1996)
A Survey of Low Surface Brightness Dwarf Galaxies to Detect H i-rich Companions
We have conducted a survey for H I-rich companions in the vicinity of low surface brightness (LSB) dwarf galaxies, objects that are characterized by low rates of massive star formation. This survey complements our earlier ...
High-Velocity H I in the Spiral Galaxy NGC 5668
The nature and origin of the high-velocity clouds (HVCs) of neutral hydrogen in our Galaxy are not well understood, in part because of the uncertain distances to the clouds. As a result it is difficult to measure the mass ...