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• W4387156715 abstract "Context: Circumstellar debris disks provide insight into the formation and early evolution of planetary systems. Resolved belts in particular help to locate planetesimals in exosystems, and can hint at the presence of disk-sculpting exoplanets. Aims: We study the circumstellar environment of HD 112810 (HIP 63439), a mid-F type star in the Sco-Cen association with a significant infrared excess indicating the presence of a circumstellar debris disk. Methods: We collected five high-contrast observations of HD 112810 with VLT/SPHERE. We identified a debris disk in scattered light, and found that the debris signature is robust over a number of epochs and a variety of reduction techniques. We modelled the disk, accounting for self-subtraction and assuming that it is optically thin. Results: We find a single-belt debris disk, with a radius of 118$pm$9au and an inclination angle of ${75.7}^{+1.1}_{-1.3}$$deg$. This is in good agreement with the constraints from SED modelling and from a partially-resolved ALMA image of the system. No planets are detected, though planets below the detection limit ($sim$2.6M$_textrm{J}$ at a projected separation of 118au) could be present and could have contributed to sculpting the ring of debris. Conclusions: HD 112810 adds to the growing inventory of debris disks imaged in scattered light. The disk is faint, but the radius and the inclination of the disk are promising for follow-up studies of the dust properties." @default.
• W4387156715 created "2023-09-30" @default.
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• W4387156715 date "2023-09-26" @default.
• W4387156715 modified "2023-10-14" @default.
• W4387156715 title "The first scattered light images of HD 112810, a faint debris disk in the Sco-Cen association" @default.
• W4387156715 doi "https://doi.org/10.48550/arxiv.2309.15158" @default.
• W4387156715 hasPublicationYear "2023" @default.
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