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astro-ph2000
The Effect of Diffusion on Pulsations of Stars on the Upper Main Sequence. delta Scuti and Metallic A Stars
S. Turcotte, J. Richer, G. Michaud +1
Recent dramatic improvements in the modeling of abundance evolution due to diffusion in A stars have been achieved with the help of monochromatic opacity tables from the OPAL group…
astro-ph2000
Detection of polarized mm and submm emission from SgrA*
D. K. Aitken, J. S. Greaves, A. Chrysostomou +4
We report the detection of linear polarization from SgrA* at 750, 850, 1350 and 2000 microns which confirms the contribution of synchrotron radiation. From the lack of polarization…