activity
20092026
most citedSpectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators

469 citations · 3.1k across the 79 of their papers we have counts for

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Showing 2020Show all

6 papers · 1 filter

astro-ph.EP2020★ 49 cited

Detection of the hydrogen Balmer lines in the ultra-hot Jupiter WASP-33b

F. Yan, A. Wyttenbach, N. Casasayas-Barris +24

Ultra-hot Jupiters (UHJs) are highly irradiated giant exoplanets with extremely high day-side temperatures, which lead to thermal dissociation of most of the molecular species. It…

astro-ph.SR2020★ 3 cited

The CARMENES search for exoplanets around M dwarfs. Variability of the He I line at 10830 Å

B. Fuhrmeister, S. Czesla, L. Hildebrandt +23

The He I infrared (IR) triplet at 10830 Åis known as an activity indicator in solar-type stars and has become a primary diagnostic in exoplanetary transmission spectroscopy. He I l…

astro-ph.IM2020★ 90 cited

The CARMENES search for exoplanets around M dwarfs. Radial velocities and activity indicators from cross-correlation functions with weighted binary masks

M. Lafarga, I. Ribas, C. Lovis +24

For years, the standard procedure to measure radial velocities (RVs) of spectral observations consisted in cross-correlating the spectra with a binary mask, that is, a simple stell…

astro-ph.EP2020★ 88 cited

Modelling the He I triplet absorption at 10830 Angstroms in the atmosphere of HD 209458 b

M. Lampón, M. López-Puertas, L. M. Lara +16

HD 209458b is an exoplanet with an upper atmosphere undergoing blow-off escape that has mainly been studied using measurements of the Ly-alpha absorption. Recently, high-resolution…

astro-ph.EP2020★ 81 cited

The CARMENES search for exoplanets around M dwarfs. Two planets on the opposite sides of the radius gap transiting the nearby M dwarf LTT 3780

G. Nowak, R. Luque, H. Parviainen +97

We present the discovery and characterisation of two transiting planets observed by the Transiting Exoplanet Survey Satellite (TESS) orbiting the nearby (d ~ 22 pc), bright (J ~ 9…

astro-ph.EP2020★ 42 cited

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…