activity
20162026
most citedSpectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators

469 citations · 1.9k across the 64 of their papers we have counts for

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astro-ph.SR2026

Orbital motion and dynamical mass of the complex periodic variable binary system 2MASS J05082729-2101444

S. Curiel, G. N. Ortiz-León, V. J. S. Béjar +22

We used very long baseline interferometry to constrain the orbit of the binary system 2MASS J05082729-2101444. We observed the system with the VLBA in three epochs at a frequency o…

astro-ph.SR2026

Characterisation of all known multiple stellar systems within 10 pc

J. González-Payo, J. A. Caballero, C. Cifuentes +2

The study of stellar multiplicity offers important constraints on the structure of the Galaxy as well as stellar and planet formation and evolution. Focusing on the most immediate…

astro-ph.SR2026

The CARMENES search for exoplanets around M dwarfs. A homogeneous catalogue of projected rotational velocities accounting for limb-darkening

R. Varas, G. Morello, M. Zechmeister +18

Stellar rotation is closely linked to both age and magnetic activity. Through gyrochronology, it provides a means to estimate stellar ages and trace the evolution of planetary syst…

astro-ph.SR2025

Coronal and chromospheric activity of Teegarden's star

B. Fuhrmeister, J. H. M. M. Schmitt, A. Reienrs +10

Teegarden's star is a late-type M-dwarf planet host, typically showing only rather low levels of activity. In this paper we present an extensive characterisation of this activity a…

astro-ph.SR2024

CARMENES input catalogue of M dwarfs IX. Multiplicity from close spectroscopic binaries to ultra-wide systems

C. Cifuentes, J. A. Caballero, J. González-Payo +12

Multiplicity studies greatly benefit from focusing on M dwarfs because they are often paired in a variety of configurations with both stellar and substellar objects, including exop…

astro-ph.SR2024

CARMENES input catalogue of M dwarfs VIII. Kinematics in the solar neighbourhood

M. Cortés-Contreras, J. A. Caballero, D. Montes +15

Aims. Our goals are to characterise the kinematic properties and to identify young and old stars among the M dwarfs of the CARMENES input catalogue. Methods. We compiled the spectr…