2017A&A...597A.108S

Query : 2017A&A...597A.108S

2017A&A...597A.108S - Astronomy and Astrophysics, volume 597A108-108 (2017/1-1)

A super-Earth orbiting the nearby M dwarf GJ 536.

SUAREZ MASCARENO A., GONZALEZ HERNANDEZ J.I., REBOLO R., ASTUDILLO-DEFRU N., BONFILS X., BOUCHY F., DELFOSSE X., FORVEILLE T., LOVIS C., MAYOR M., MURGAS F., PEPE F., SANTOS N.C., UDRY S., WUNSCHE A. and VELASCO S.

Abstract (from CDS):

We report the discovery of a super-Earth orbiting the star GJ 536 based on the analysis of the radial-velocity time series from the HARPS and HARPS-N spectrographs. GJ 536 b is a planet with a minimum mass Msini of 5.36±0.69M⊕; it has an orbital period of 8.7076±0.0025d at a distance of 0.066610(13)AU, and an orbit that is consistent with circular. The host star is the moderately quiet M1 V star GJ 536, located at 10 pc from the Sun. We find the presence of a second signal at 43d that we relate to stellar rotation after analysing the time series of Ca II H&K and Hα spectroscopic indicators and photometric data from the ASAS archive. We find no evidence linking the short period signal to any activity proxy. We also tentatively derived a stellar magnetic cycle of less than 3yr.

Abstract Copyright: © ESO, 2017

Journal keyword(s): techniques: radial velocities - stars: rotation - planets and satellites: terrestrial planets - stars: individual: GJ 536 - stars: activity - planets and satellites: general

VizieR on-line data: <Available at CDS (J/A+A/597/A108): table5.dat>

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 122303 PM* 14 01 03.1882316643 -02 39 17.519814662 12.343 11.177 9.707 8.745 7.66 M0V 204 0
2 HD 122303b Pl 14 01 03.1882316643 -02 39 17.519814662           ~ 14 0

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