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Mass determination of the ultra-short-period planet LHS 3844 b

We present the first planet mass measurement obtained with CRIRES+ radial velocity (RV) observations using the K-band gas cell. Our target, LHS 3844 b (TOI-136), is a transiting super-Earth with radius Rb = 1.286−0.044+0.043 R⊕ and an orbital period of Pb = 0.462929709−0.000000042+0.000000044 d, pla...

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Autori principali: Nagel E., Köhler J., Zechmeister M., Rains A. D., Seemann U., Hatzes A., Reiners A., Piskunov N., Boldt-Christmas L., Bristow P., Chaturvedi P., Cont D., Czesla S., Dorn R. J., Guenther E., Jung Y., Kochukhov O., Lesjak F., Lucertini F., Marquart T., Nortmann L., Rengel M., Rodler F., Smoker J. V.
Natura: Artigo
Lingua:Inglês
Pubblicazione: EDP Sciences 2026-06-01
Serie:Astronomy & Astrophysics
Soggetti:
methods: data analysis
methods: observational
techniques: radial velocities
techniques: spectroscopic
planets and satellites: general
stars: individual: lhs 3844
Accesso online:https://www.aanda.org/articles/aa/full_html/2026/06/aa57841-25/aa57841-25.html
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