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20162022
most citedSpectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators

469 citations · 1.4k across the 12 of their papers we have counts for

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11 papers · 1 filter

astro-ph.EP2022★ 1 cited

A new third planet and the dynamical architecture of the HD33142 planetary system

Trifon Trifonov, Anna Wollbold, Martin Kürster +24

Based on recently-taken and archival HARPS, FEROS and HIRES radial velocities (RVs), we present evidence for a new planet orbiting the first ascent red giant star HD33142 (with an…

astro-ph.EP2022★ 51 cited

Precise radial velocities of giant stars XVI. Planet occurrence rates from the combined analysis of the Lick, EXPRESS, and PPPS giant star surveys

Vera Wolthoff, Sabine Reffert, Andreas Quirrenbach +3

RV surveys of evolved stars allow us to probe a higher stellar mass range compared to main-sequence samples. Differences between the planet populations can be caused by either the…

astro-ph.EP2022

Dynamical architecture of the HD 107148 system

Jan Eberhardt, Trifon Trifonov, Martin Kürster +15

We present an independent Doppler validation and dynamical orbital analysis of the two-planet system HD 107148, which was recently announced in Rosenthal et al. (2021). Our detaile…

astro-ph.EP2019★ 3 cited

Precise radial velocities of giant stars XIII. A second Jupiter orbiting in 4:3 resonance in the 7 CMa system

R. Luque, T. Trifonov, S. Reffert +8

We report the discovery of a second planet orbiting the K giant star 7 CMa based on 166 high-precision radial velocities obtained with Lick, HARPS, UCLES and SONG. The periodogram…

astro-ph.EP2019★ 130 cited

A giant exoplanet orbiting a very low-mass star challenges planet formation models

J. C. Morales, A. J. Mustill, I. Ribas +179

Statistical analyses from exoplanet surveys around low-mass stars indicate that super-Earth and Neptune-mass planets are more frequent than gas giants around such stars, in agreeme…

astro-ph.EP2019★ 155 cited

The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden's Star

M. Zechmeister, S. Dreizler, I. Ribas +182

Context. Teegarden's Star is the brightest and one of the nearest ultra-cool dwarfs in the solar neighbourhood. For its late spectral type (M7.0V), the star shows relatively little…