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We study an exhaustive analytic class of massive type IIA backgroundspreserving sixteen real supercharges and enjoying$\textrm{SL}(2,\mathbb{R})\times\textrm{SO}(8)$ bosonic symmetry. Thecorresponding geometry is described by $\textrm{AdS}_{2}\times S^{7}$ warpedover a line, which turns out to emerge from taking the near-horizon limit of D0$-$ F1 $-$ D8 intersections. By studying the singularity structure of thesesolutions we find the possible presence of localized O8/D8 sources, as well asof fundamental strings smeared over the $S^{7}$. Finally we discuss therelation between the aforementioned solutions and the known$\textrm{AdS}_{7}\times S^{2}$ class through double analytic continuation.

$\textrm{AdS}_{2}\times S^7$ solutions from D0 $-$ F1 $-$ D8 intersections