Now showing items 1-2 of 2

  • HD 207897 b: A dense sub-Neptune transiting a nearby and bright K-type star 

    Heidari, N.; Boisse, I.; Orell-Miquel, J.; Hébrard, G.; Acuña, L.; Hara, N. C.; Lillo-Box, J.; Eastman, J. D.; Arnold, L.; Astudillo-Defru, N.; Adibekyan, V.; Bieryla, A.; Bonfils, X.; Bouchy, F.; Barclay, T.; Brasseur, C. E.; Borgniet, S.; Bourrier, V.; Buchhave, L. (2022)
    We present the discovery and characterization of a transiting sub-Neptune that orbits the nearby (28 pc) and bright (V = 8.37) K0V star HD 207897 (TOI-1611) with a 16.20-day period. This discovery is based on photometric ...
  • The SOPHIE search for northern extrasolar planets XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain 

    Hara, N. C.; Bouchy, F.; Stalport, M.; Boisse, I.; Rodrigues, J.; Delisle, J.-B.; Santerne, A.; Henry, G. W.; Arnold, L.; Astudillo Defru, Nicola; Borgniet, S.; Bonfils, X.; Bourrier, V.; Brugger, B.; Courcol, B.; Dalal, S.; Deleuil, M.; Delfosse, X.; Demangeon, O.; Díaz, R. F.; Dumusque, X.; Forveille, T.; Hébrard, G.; Hobson, M. J.; Kiefer, F.; López, T.; Mignon, L.; Mousis, O.; Moutou, C.; Pepe, F.; Rey, J.; Santos, N. C.; Ségransan, D.; Udry, S.; Wilson, P. A. (2020-04)
    Aims. Since 2011, the SOPHIE spectrograph has been used to search for Neptunes and super-Earths in the northern hemisphere. As part of this observational program, 290 radial velocity measurements of the 6.4 V magnitude ...