A Gemini ground-based transmission spectrum of WASP-29b: a featureless spectrum from 515 to 720 nm N.P. Gibson, S. Aigrain, J.K. Barstow, T.M. Evans, L.N. Fletcher, P.G.J. Irwin Feb 1, 2013 Cite DOI methods: data analysis techniques: spectroscopic stars: individual: WASP-29 planetary systems Related Neptune's atmospheric composition from AKARI infrared spectroscopy Determination of the Minimum Masses of Heavy Elements in the Envelopes of Jupiter and Saturn