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More than 30 % of $\gamma$-ray sources detected in the last source catalog ofthe Fermi satellite have no observational counterpart at other frequencies. Asignificant fraction of these sources is positionally in agreement withstar-forming regions dominated by associations of T Tauri stars. Rho Ophiuchi,which is one of the closest star-forming regions, matches the unidentifiedFermi source 4FGL J1625.3-2338. In this work we modeled the spectral energydistribution considering some dominant radiative processes in T Tauri stars.Accounting for a total of 22 Class III T Tauri stars in the region, integrated$\gamma$-ray luminosity in the 100 MeV to 100 GeV energy range is consistentwith the observed in the catalog for the 4FGL J1625.3-2338 source.

T Tauri stars as $\gamma$-ray source in the Rho Ophiuchi region