ETD - Exoplanet Transit Database report (19. 4. 2024) : Kepler-21 b Per = 2.785755, HJDmid = 2455093.8369 #;HJDmid;HJDmid Error;Epoch;O-C;Duration;Duration Error;Depth;Depth Error;Band;DQ;Observer;Reference;Inserted; 1;55093.8369;0.0016;0;0.0000;;;;;;1;S. B. Howell et al., 2011;S. B. Howell et al., 2011;2012-01-19;