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Mass and period limits on the ringed companion transiting the young star J1407

Kenworthy, M A; Lacour, Sylvestre; Kraus, Adam L; Triaud, AHMJ; Mamajek, Eric E; Scott, E L; Segransan, D; Hambsch, Franz Josef; Reichart, D E; Haislip, J B; Ireland, Michael


The young (~16 Myr) pre-main-sequence star in Sco-Cen 1SWASP J140747.93-394542.6, hereafter referred to as J1407, underwent a deep eclipse in 2007 April, bracketed by several shallower eclipses in the surrounding 54 d. This has been interpreted as the first detection of an eclipsing ring system circling a substellar object (dubbed J1407b). We report on a search for this companion with Sparse Aperture Mask imaging and direct imaging with both the UT4 VLT and Keck telescopes. Radial velocity...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2067
Access Rights: Open Access


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