activity
20092026
most citedThe CARMENES search for exoplanets around M dwarfs: Different roads to radii and masses of the target stars

205 citations · 2.6k across the 58 of their papers we have counts for

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astro-ph.EP2026

Correcting stellar contamination in transmission spectroscopy with contemporaneous monitoring: Application to GJ 1214 b

Ò. Porqueras-León, M. Perger, J. C. Morales +19

Transmission spectroscopy has emerged as an essential tool for characterising the atmospheres of transiting exoplanets. However, stellar surface inhomogeneities contaminate transmi…

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

Stellar encounters in the solar neighbourhood and the special case of GJ~710

Eloi Fernandez-Puig, Juan Carlos Morales, Ignasi Ribas +2

We present a comprehensive characterisation of close stellar encounters in the solar vicinity, with a particular focus on placing the predicted fly-by of GJ~710 in context. This st…

astro-ph.EP2026

Mitigating stellar radial velocity jitter using orthogonal activity indices and a time-aware neural network

Jordi Blanco-Pozo, Manuel Perger, Guillem Anglada-Escudé +7

Despite recent advances in the precision of high-resolution spectrographs, the detection of Earth-like exoplanets is still limited by the effects of stellar activity, which introdu…

astro-ph.EP2026

Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts

E. Poultourtzidis, G. Lacedelli, E. Pallé +49

We report the confirmation of three transiting exoplanets orbiting TOI-1243 (LSPM~J0902+7138), TOI-4529 (G~2--21), and TOI-5388 (Wolf~346) that were initially detected by TESS thro…