4 papers
Orbit Refinement of WASP-18 b and Evidence Against the Existence of WASP-18 c
Avinash Salguneswaran Nediyedath, Kyle A. Pearson, Tara Fetherolf +1
We present an updated transit ephemeris for the exoplanet WASP-18 b and critically examine the existence of a proposed second planet, WASP-18 c. Using 205 transit light curves from…
ExoClock Project IV: A homogeneous catalogue of 620 updated exoplanet ephemerides
A. Kokori, A. Tsiaras, G. Pantelidou +323
The ExoClock project is an open platform aiming to monitor exoplanets by integrating observations from space and ground based telescopes. This study presents an updated catalogue o…
Starspot temperature of CoRoT-2 from multiwavelength observations with SPARC4
Adriana Valio, Eder Martioli, Andre O. Kovacs +5
Measuring starspot temperatures is crucial for understanding stellar magnetic activity, as it affects stellar brightness variations, influences exoplanet transit measurements, and…
Enhancing Exoplanet Ephemerides by Leveraging Professional and Citizen Science Data: A Test Case with WASP-77A b
Federico R. Noguer, Suber Corley, Kyle A. Pearson +42
We present an updated ephemeris and physical parameters for the exoplanet WASP-77 A b. In this effort, we combine 64 ground- and space-based transit observations, 6 space-based ecl…