142 citations · 565 across the 14 of their papers we have counts for
14 papers
Three new exoplanet systems from the Dispersed Matter Planet Project
J. R. Barnes, C. A. Haswell, Z. O. B. Ross +7
We present a radial velocity analysis of three bright, low-activity stars identified by the Dispersed Matter Planet Project (DMPP). We use a Bayesian framework to compare purely Ke…
The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets
Matthew R. Standing, John R. Barnes, Carole A. Haswell +8
DMPP is a radial-velocity survey that aims to detect planets around stars exhibiting anomalous activity signatures, consistent with the presence of close-in evaporating planets. He…
HD 28471: a near-resonant compact multiplanet system with a possible cold giant planet
A. T. Stevenson, C. A. Haswell, J. R. Barnes +5
We present radial velocity measurements of the star HD 28471, observed by HARPS at the ESO 3.6 m telescope over a baseline of years. We have searched for planetary compani…
Combing the Brown Dwarf Desert with Gaia DR3
Adam T. Stevenson, Carole A. Haswell, John R. Barnes +1
We have created an up-to-date catalogue of 214 brown dwarfs (BDs) in binaries with d. This allows us to examine the population statistics of the brown dwarf desert. We s…
The CARMENES search for exoplanets around M dwarfs: Benchmarking the impact of activity in high-precision radial velocity measurements
S. V. Jeffers, J. R. Barnes, P. Scheofer +17
Current exoplanet surveys using the radial velocity (RV) technique are targeting M dwarfs because any habitable zone terrestrial-mass planets will induce a high RV and orbit on sho…
The CARMENES search for exoplanets around M dwarfs. Characterization of the nearby ultra-compact multiplanetary system YZ Ceti
S. Stock, J. Kemmer, S. Reffert +38
The nearby ultra-compact multiplanetary system YZ Ceti consists of at least three planets. The orbital period of each planet is the subject of discussion in the literature due to s…
A compact multi-planet system around a bright nearby star from the Dispersed Matter Planet Project
D. Staab, C. A. Haswell, J. R. Barnes +7
The Dispersed Matter Planet Project targets stars with anomalously low Ca II H&K chromospheric emission. High precision, high cadence radial velocity measurements of the F8V star H…
Red Dots: A temperate 1.5 Earth-mass planet in a compact multi-terrestrial planet system around GJ1061
S. Dreizler, S. V., Jeffers +17
Small low-mass stars are favourable targets for the detection of rocky habitable planets. In particular, planetary systems in the solar neighbourhood are interesting and suitable f…
A candidate super-Earth planet orbiting near the snow line of Barnard's star
I. Ribas, M. Tuomi, A. Reiners +60
At a distance of 1.8 parsecs, Barnard's star (Gl 699) is a red dwarf with the largest apparent motion of any known stellar object. It is the closest single star to the Sun, second…
The relation between stellar magnetic field geometry and chromospheric activity cycles II: The rapid 120 day magnetic cycle of Tau Bootis
S. V. Jeffers, M. Mengel, C. Moutou +7
One of the aims of the BCool programme is to search for cycles in other stars and to understand how similar they are to the Sun. In this paper we aim to monitor the evolution of $τ…
Surprisingly different starspot distributions on the near equal-mass equal-rotation-rate stars in the M dwarf binary GJ 65 AB
J. R. Barnes, S. V. Jeffers, C. A. Haswell +4
We aim to understand how stellar parameters such as mass and rotation impact the distribution of starspots on the stellar surface. To this purpose, we have used Doppler imaging to…
New Planetary Systems from the Calan-Hertfordshire Extrasolar Planet Search
J. S. Jenkins, H. R. A. Jones, M. Tuomi +22
We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as p…
Starspot distributions on fully convective M dwarfs: implications for radial velocity planet searches
J. R. Barnes, S. V. Jeffers, H. R. A. Jones +4
Since M4.5 - M9 dwarfs exhibit equatorial rotation velocities of order 10 km/s on average, radial velocity surveys targeting this stellar population will likely need to find method…
A maximum entropy approach to detect close-in giant planets around active stars
P. Petit, J. -F. Donati, E. Hébrard +11
(shortened for arXiv) We aim to progress towards more efficient exoplanet detection around active stars by optimizing the use of Doppler Imaging in radial velocity measurements. We…