Fig. 9
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Footprint of the ZTF alert stream from November 2019 to December 2022 associated with confirmed Solar System objects (as in Fig. 2), that also satisfy the detectability criterion (see Sect. 4.2.1). We see an excess of alerts at (RA, Dec) = (0, 0), similarly to trajectory candidates. For reference, the ecliptic plane is shown with black triangles.
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