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Radio Properties of Pinwheel Nebulae
J. D. Monnier, L. J. Greenhill, P. G. Tuthill +1
A small number of dusty Wolf-Rayet stars have been resolved into pinwheel nebulae, defined by their ``rotating'' spiral dust shells observed in the infrared. This morphology is nat…
Radio and Infrared Properties of Dust-Enshrouded Wolf-Rayet Stars
J. D. Monnier, L. J. Greenhill, P. G. Tuthill +1
This paper discusses our ongoing efforts to characterize dust-enshrouded Wolf-Rayet (WR) stars in the radio and infrared. We have used the Very Large Array to measure the broadband…
Mid-infrared interferometry on spectral lines: II. Continuum (dust) emission around IRC+10216 and VY CMa
J. D. Monnier, W. C. Danchi, D. S. Hale +3
The U. C. Berkeley Infrared Spatial Interferometer has measured the mid-infrared visibilities of the carbon star IRC+10216 and the red supergiant VY CMa. The dust shells around the…
Mid-infrared interferometry on spectral lines: I. Instrumentation
J. D. Monnier, W. Fitelson, W. C. Danchi +1
The U. C. Berkeley Infrared Spatial Interferometer has been outfitted with a filterbank system to allow interferometric observations of mid-infrared spectral lines with very high s…
Near and mid-IR sub-arcsecond structure of the dusty symbiotic star R Aqr
P. G. Tuthill, W. C. Danchi, D. S. Hale +2
The results of a high-resolution interferometric campaign targeting the symbiotic long-period variable (LPV) R~Aqr are reported. With both near-infrared measurements on baselines o…