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Broad-band spectrophotometry of the hot Jupiter HAT-P-12b from the near-UV to the near-IR
M. Mallonn, V. Nascimbeni, J. Weingrill +13
The detection of trends or gradients in the transmission spectrum of extrasolar planets is possible with observations at very low spectral resolution. Transit measurements of suffi…
Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP-40 and WASP-21 systems
M. Seeliger, M. Kitze, R. Errmann +46
As part of our ongoing effort to investigate transit timing variations (TTVs) of known exoplanets, we monitored transits of the four exoplanets HAT-P-18b, HAT-P-19b, HAT-P-27b/WASP…
A temperature inversion in WASP-33b? Large Binocular Telescope occultation data confirm significant thermal flux at short wavelengths
C. von Essen, M. Mallonn, S. Albrecht +4
We observed a secondary eclipse of WASP-33b quasi-simultaneously in the optical (~0.55 μm) and the near-infrared (~1.05 μm) using the 2x8.4 m Large Binocular Telescope. WASP-33 is…
Transmission spectroscopy of the inflated exo-Saturn HAT-P-19b
M. Mallonn, C . von Essen, J. Weingrill +7
We observed the Saturn-mass and Jupiter-sized exoplanet HAT-P-19b to refine its transit parameters and ephemeris as well as to shed first light on its transmission spectrum. We mon…
Large Binocular Telescope view of the atmosphere of GJ1214b
V. Nascimbeni, M. Mallonn, G. Scandariato +8
The atmospheric composition and vertical structure of the super-Earth GJ1214b has been a subject of debate since its discovery in 2009. Recent studies have indicated that high-alti…
Regaining the FORS: optical ground-based transmission spectroscopy of the exoplanet WASP-19b with VLT+FORS2
E. Sedaghati, H. M. J. Boffin, Sz. Csizmadia +4
In the past few years, the study of exoplanets has evolved from being pure discovery, then being more exploratory in nature and finally becoming very quantitative. In particular, t…