A Complete ALMA Map of the Fomalhaut Debris Disk

MA Macgregor, Luca Matrà, P Kalas, DJ Wilner, M Pan, Grant Kennedy, Mark Wyatt, G Duchene, AM Hughes, GH Rieke, M Clampin, MP Fitzgerald, Graham, WS Holland, O Panić, A Shannon & K Su
© 2017. The American Astronomical Society. All rights reserved. We present ALMA mosaic observations at 1.3 mm (223 GHz) of the Fomalhaut system with a sensitivity of 14 μJy/beam. These observations provide the first millimeter map of the continuum dust emission from the complete outer debris disk with uniform sensitivity, enabling the first conclusive detection of apocenter glow. We adopt an MCMC modeling approach that accounts for the eccentric orbital parameters of a collection of...
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