Titan brighter at twilight than in daylight

Antonio García Muñoz, Panayotis Lavvas, Robert A. West

An optical transmission spectrum for the ultra-hot Jupiter WASP-121b measured with the Hubble Space Telescope

Thomas M. Evans, David K. Sing, Jayesh Goyal +24

Electron densities and alkali atoms in exoplanet atmospheres

Panayotis Lavvas, Tommi Koskinen, Roger V. Yelle

Photochemical hazes in sub-Neptunian atmospheres with focus on GJ 1214 b

Panayotis Lavvas, Tommi Koskinen, Maria Steinrueck +2

The HST PanCET Program: Exospheric Mg II and Fe II in the Near-UV transmission spectrum of WASP-121b using Jitter Decorrelation

David K. Sing, Panayotis Lavvas, Gilda E. Ballester +17

The study presents Hubble Space Telescope near‑UV transmission spectra of the hot Jupiter WASP‑121b, revealing strong Mg II and Fe II absorption in its exosphere and using jitter d…

Haze in Pluto's Atmosphere

Andrew F. Cheng, Michael E. Summers, G. Randall Gladstone +11

Aerosol properties in the atmospheres of extrasolar giant planets

Panayotis Lavvas, Tommi Koskinen

Aerosols optical properties in Titan's Detached Haze Layer before the equinox

Benoît Seignovert, Pascal Rannou, Panayotis Lavvas +2

An ultrahot gas-giant exoplanet with a stratosphere

Thomas M. Evans, David K. Sing, Tiffany Kataria +24

Upper atmospheres and ionospheres of planets and satellites

Antonio García Muñoz, Tommi T. Koskinen, Panayotis Lavvas