We investigate the beaming of 11 Io-Jupiter decametric (Io-DAM) emissions observed by Juno/Waves, Nançay Decameter Array, and NenuFAR. Using an up-to-date magnetic field model three methods to position active Io Flux Tube (IFT), we accurately locate radiosources determine their emission angle θ from local vector. These use (a) updated models IFT equatorial lead angle, (b) ultraviolet (UV) image...

In planetary science, surface roughness is regarded to be a measure of surface irregularity at small spatial scales, and causes the thermal-infrared beaming effect (i.e. re-radiation of absorbed sunlight back towards to the Sun). Typically, surface roughness exhibits a degeneracy with thermal inertia when thermophysical models are fitted to disc-integrated thermal-infrared observations of aster...

Abstract The radio radiation mechanism is one of the open questions for pulsars. Multiband observations are very helpful to constrain pulsar models. We observed PSR J1848-0123 at 5 GHz band with Shanghai Tianma 65 m telescope (TMRT). observation together European Pulsar Network (EPN) and CSIRO ATNF Data Archives databases provides a broadband evolution property pulse profiles this pulsar. repro...