The SPACE Program II: No discernible spectral features in the transmission spectrum of the sub-Neptune HD191939b observed with HST/WFC3

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Cyril Gapp, et al. (including Qiushi Chris Tian)

In review, AAS Journals, 2026

The SPACE Program I: The featureless spectrum of HD 86226 c challenges sub-Neptune atmosphere trends

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K. Angelique Kahle, Jasmina Blecic, Reza Ashtari, Laura Kreidberg, Yui Kawashima, Patricio E. Cubillos, Drake Deming, James S. Jenkins, Paul Mollière, Seth Redfield, Qiushi Chris Tian, Jose I. Vines, David J. Wilson, Lorena Acuña, Bertram Bitsch, Jonathan Brande, Kevin France, Kevin B. Stevenson, Ian J.M. Crossfield, Tansu Daylan, Ian Dobbs-Dixon, Thomas M. Evans-Soma, Cyril Gapp, Antonio García Muñoz, Kevin Heng, Renyu Hu, Keivan G. Stassun, Johanna Teske

Astronomy & Astrophysics, vol. 701, 2025 Sep 15, pp. A184