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The Transiting Exoplanet Survey Satellite (TESS) is focusing on relativelybright stars and has found thousands of planet candidates. However, mainlybecause of the low spatial resolution of its cameras ($\approx$ 21arcsec/pixel), TESS is expected to detect several false positives (FPs); hence,vetting needs to be done. Here, we present a follow-up program of TESScandidates orbiting solar-analogue stars that are in the all-sky PLATO inputcatalogue. Using Gaia photometry and astrometry we built an absolutecolour-magnitude diagram and isolated solar-analogue candidates' hosts. Weperformed a probabilistic validation of each candidate using the VESPA softwareand produced a prioritized list of objects that have the highest probability ofbeing genuine transiting planets. Following this procedure, we eliminated themajority of FPs and statistically vetted 23 candidates. For this remaining set,we performed a stellar neighbourhood analysis using Gaia Early Data Release 3and centroid motion tests, greatly enhancing the on-target probability of 12 ofthem. We then used publicly available high-resolution imaging data to confirmtheir transit source and found five new, fully validated planets. For theremaining candidates, we propose on-off photometry to further refine the listof genuine candidates and prepare for the subsequent radial velocity follow-up.

Validation of TESS exoplanet candidates orbiting solar analogues in the all-sky PLATO input catalogue