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A dearth of small particles in the transiting material around the white dwarfWD 1145+017

Xu, Siyi; Rappaport, Saul A; van Lieshout, Rik; Vanderburg, Andrew; Gary, Bruce L; Hallakoun, Na'ama; Ivanov, V. D.; Wyatt, M.C.; DeVore, John G; Bayliss, D; Bento, Joao


White dwarf WD 1145+017 is orbited by several clouds of dust, possibly emanating from actively disintegrating bodies. These dust clouds reveal themselves through deep, broad, and evolving transits in the star's light curve. Here, we report two epochs of multiwavelength photometric observations of WD 1145+017, including several filters in the optical, Ks and 4.5 μmbands in 2016 and 2017. The observed transit depths are different at these wavelengths. However, after correcting for excess dust...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx3023
Access Rights: Open Access


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