Venus VEX Ion Mass Analyzer VEX ASPERA-3 VEX ASPERA IMA PlasmaSpectrometer Stas Barabash VEX IMA imaextra_spectra_prelim Venus Express (VEX) ASPERA-4 Ion Mass Analyzer (IMA) data (spectrogram) Preliminary spectra obtained from Andrei Fedorov (IRAP) Venus solar wind plasma ion IRF Kiruna Andrei Fedorov, IRAP IRAP raw venus sw 192s 2005/06/08 2012/12/31 IRAP energy-time spectrogram of proton counts phys.count;phys.atmol.ionStage dynamic_spectrum VEX Electron Spectrometer VEX ELS VEX ASPERA ELS PlasmaSpectrometer Stas Barabash VEX ELS elsspec Venus Express (VEX) ASPERA-4 ELectron Spectrometer (ELS) data (spectrogram) Venus plasma electron solar wind IRF Kiruna IRAP raw venus sw 4s 2005/03/03 2013/11/22 IRAP Averaged energy-time spectrogram of electron counts phys.count;phys.electron dynamic_spectrum