Search Results for author: D. Lorenzo-Oliveira

Found 2 papers, 2 papers with code

Mass determination of the 1:3:5 near-resonant planets transiting GJ 9827 (K2-135)

1 code implementation26 Feb 2018 J. Prieto-Arranz, E. Palle, D. Gandolfi, O. Barragán, E. W. Guenther, F. Dai, M. Fridlund, T. Hirano, J. Livingston, P. Niraula, C. M. Persson, S. Redfield, S. Albrecht, R. Alonso, G. Antoniciello, J. Cabrera, W. D. Cochran, Sz. Csizmadia, H. Deeg, Ph. Eigmüller, M. Endl, A. Erikson, M. E. Everett, A. Fukui, S. Grziwa, A. P. Hatzes, D. Hidalgo, M. Hjorth, J. Korth, D. Lorenzo-Oliveira, F. Murgas, N. Narita, D. Nespral, G. Nowak, M. Pätzold, P. Montañés Rodríguez, H. Rauer, I. Ribas, A. M. S. Smith, V. Van Eylen, J. N. Winn

We also find that the planetary bulk compositions are compatible with a scenario where all three planets formed with similar core/atmosphere compositions, and we speculate that while GJ 9827 b and GJ 9827 c lost their atmospheric envelopes, GJ 9827 d maintained its atmosphere, owing to the much lower stellar irradiation.

Earth and Planetary Astrophysics

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

1 code implementation2 Feb 2017 O. Barragán, D. Gandolfi, A. M. S. Smith, H. J. Deeg, M. C. V. Fridlund, C. M. Persson, P. Donati, M. Endl, Sz. Csizmadia, S. Grziwa, D. Nespral, A. P. Hatzes, W. D. Cochran, L. Fossati, S. S. Brems, J. Cabrera, F. Cusano, Ph. Eigmüller, C. Eiroa, A. Erikson, E. Guenther, J. Korth, D. Lorenzo-Oliveira, L. Mancini, M. Pätzold, J. Prieto-Arranz, H. Rauer, I. Rebollido, J. Saario, O. V. Zakhozhay

We announce the discovery of K2-139 b (EPIC 218916923 b), a transiting warm-Jupiter ($T_\mathrm{eq}$=547$\pm$25 K) on a 29-day orbit around an active (log $R^\prime_\mathrm{HK}$ = $-$4. 46 $\pm$ 0. 06) K0 V star in K2 Campaign 7.

Earth and Planetary Astrophysics Solar and Stellar Astrophysics

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