The Asymmetric Disk of The Be Star ζ Tauri

Details The Asymmetric Disk of The Be Star ζ Tauri The Asymmetric Disk of The Be Star ζ Tauri

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340904y&link_type=abstract

American Astronomical Society, AAS Meeting #213, #409.04; Bulletin of the American Astronomical Society, Vol. 41, p.208

Astronomy and Astrophysics

Astronomy

Scientific paper

A high angular resolution observational study has been conducted using the Navy Prototype Optical Interferometer (NPOI) aimed at determining the spatial characteristics of the circumstellar disk of ζ Tauri. Our observations clearly demonstrate the deviation from circular symmetry that is expected based on previous results. In addition, we also detect a clear signature of deviation from point-symmetry, which is detected through non-zero closure phases. We also report on the state of the Hα emission line during the time of the interferometric observations and discuss the possible connection to over-density regions in the circumstellar disk.

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