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Planet-star interactions with precise transit timing. I. The refined orbital decay rate for WASP-12 b and initial constraints for HAT-P-23 b, KELT-1 b, KELT-16 b, WASP-33 b, and WASP-103 b
G. Maciejewski, M. Fernández, F. Aceituno +11
Theoretical calculations and some indirect observations show that massive exoplanets on tight orbits must decay due to tidal dissipation within their host stars. This orbital evolu…
New transit observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b, and WASP-39 b
G. Maciejewski, D. Dimitrov, L. Mancini +14
We present new transit light curves for planets in six extrasolar planetary systems. They were acquired with 0.4-2.2 m telescopes located in west Asia, Europe, and South America. W…
Departure from the constant-period ephemeris for the transiting exoplanet WASP-12 b
G. Maciejewski, D. Dimitrov, M. Fernández +11
Most hot Jupiters are expected to spiral in towards their host stars due to transfering of the angular momentum of the orbital motion to the stellar spin. Their orbits can also pre…
No variations in transit times for Qatar-1 b
G. Maciejewski, M. Fernández, F. J. Aceituno +11
The transiting hot Jupiter planet Qatar-1 b was presented to exhibit variations in transit times that could be of perturbative nature. A hot Jupiter with a planetary companion on a…
Transit timing variation in exoplanet WASP-3b
G. Maciejewski, D. Dimitrov, R. Neuhaeuser +7
Photometric follow-ups of transiting exoplanets may lead to discoveries of additional, less massive bodies in extrasolar systems. This is possible by detecting and then analysing v…