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Napolitano, O. Barrag\\'an, Ph. Eigm\\\"uller, P. Monta\\~nes, P. Niraula, P. W. Cauley, R. Alonso, R. Tronsgaard, S. Albrecht, S. Grziwa, S. Redfield, Sz. Csizmadia, T. Hirano, V. Van Eylen, W. D. Cochran","submitted_at":"2018-10-10T15:43:29Z","abstract_excerpt":"We report the independent discovery and characterization of two K2 planets: K2-180b, a mini-Neptune-size planet in an 8.9-day orbit transiting a V = 12.6 mag, metal-poor ([Fe/H] =$-0.65\\pm0.10$) K2V star in K2 campaign 5; K2-140b, a transiting hot Jupiter in a 6.6-day orbit around a V = 12.6 mag G6V ([Fe/H] = $+0.10\\pm0.10$) star in K2 campaign 10. Our results are based on K2 time-series photometry combined with high-spatial resolution imaging and high-precision radial velocity measurements. We present the first mass measurement of K2-180b. 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B. Justesen, A. Erikson, A. M. S. Smith, A. P. Hatzes, C. E. Petrillo, C. M. Persson, C. Tortora, D. Gandolfi, D. Hidalgo, D. Nespral, E. Palle, E. W. Guenther, F. Cusano, F. Dai, G. Nowak, H. J. Deeg, H. Rauer, J. Cabrera, J. Korth, J. Livingston, J. N. Winn, J. Prieto-Arranz, M. Endl, M. Esposito, M. Fridlund, M. Kuzuhara, M. P\\\"atzold, N. Narita, N. R. Napolitano, O. Barrag\\'an, Ph. Eigm\\\"uller, P. Monta\\~nes, P. Niraula, P. W. Cauley, R. Alonso, R. Tronsgaard, S. Albrecht, S. Grziwa, S. Redfield, Sz. Csizmadia, T. Hirano, V. Van Eylen, W. D. Cochran","submitted_at":"2018-10-10T15:43:29Z","abstract_excerpt":"We report the independent discovery and characterization of two K2 planets: K2-180b, a mini-Neptune-size planet in an 8.9-day orbit transiting a V = 12.6 mag, metal-poor ([Fe/H] =$-0.65\\pm0.10$) K2V star in K2 campaign 5; K2-140b, a transiting hot Jupiter in a 6.6-day orbit around a V = 12.6 mag G6V ([Fe/H] = $+0.10\\pm0.10$) star in K2 campaign 10. 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