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Fig. 2

image

Image at L′ band towards J1407. The star is in the middle of the field of view. The two white circles indicate the location of the ALMA source if it is a distant unrelated source and if it has proper motion consistent with an eclipse in 2007. Systematic errors and loss of point source sensitivity occurs within 0.2 arcsec of J1407 (orange circle). No significant point sources are detected around the star.

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