Radial velocity follow-up of GJ1132 with HARPS: A precise mass for planet b and the discovery of a second planet

The source GJ1132 is a nearby red dwarf known to host a transiting Earth-size planet. After its initial detection, we pursued an intense follow-up with the HARPS velocimeter. We now confirm the detection of GJ1132b with radial velocities alone. We refined its orbital parameters, and in particular, i...

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Detalles Bibliográficos
Autores principales: Bonfils, X., Almenara, J.-M., Cloutier, R., Wünsche, A., Astudillo-Defru, N., Berta-Thompson, Z., Bouchy, F., Charbonneau, D., Delfosse, X., Díaz, R.F., Dittmann, J., Doyon, R., Forveille, T., Irwin, J., Lovis, C., Mayor, M., Menou, K., Murgas, F., Newton, E., Pepe, F., Santos, N.C., Udry, S.
Formato: JOUR
Materias:
Planetary systems
Stars: late-type
Techniques: radial velocities
Astrophysics
Markov processes
Orbits
Stars
Velocity
Equilibrium temperatures
Gaussian Processes
Markov Chain Monte-Carlo
Orbital parameters
Planetary system
Posterior probability
Stars:late type
Earth (planet)
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00046361_v618_n_p_Bonfils
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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