Comparison of the HD 15115 disc (panel a) with the models inserted in the image (H band, KLIP reduction) where the disc wasremoved. Panel b: model with one belt. Panel c: two-belts model with an inner belt which has a different PA and inclination with respect to the outer belt. Panel d: two-belts model with an inner ring coplanar with the outer ring. In the processed images of the one-belt model (panel b) and non-coplanar two-belts model (panel c) the back side of the disc is visible, whereas it is not recognisable in the image of the coplanar two-belts model (panel d). Colour bar shows flux in arbitrary units.
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