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New Observations and Transit Solutions of the Exoplanets HAT-P-54b and WASP-153b

Ibryamov, S.; Petrov, N.; Kjurkchieva, D.

We present photometric observations of the newly-discovered transiting exoplanets HAT-P-54b and WASP-153b with the Rozhen 2 m telescope. As a result we improved their periods. The modeling of the new transits led to almost identical values of orbital inclinations and stellar radii to the first published values while the planet radii were slightly …