We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star HD73583...
-
PublicaciónThe young HD 73583 (TOI-560) planetary system: two 10-M<SUB>⊕</SUB> mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
-
PublicaciónThe γ Doradus CoRoT target HD 49434. II. Frequency analysis of the CoRoT data
Context. HD 49434 is a bright (V = 5.75 m) and multiperiodic γ Dor-type pulsator that has been selected for the asteroseismic core programme of the CoRoT...
-
PublicaciónThe δ Scuti pulsations of β Pictoris as observed by ASTEP from Antarctica
Aims: The Antarctica Search for Transiting Extrasolar Planets (ASTEP), an automatized 400 mm telescope located at Concordia station in Antarctica, monitored β...
-
PublicaciónTheory and observations of a jet in the σ Orionis region: HH 444
The discovery of a system of Herbig-Haro objects ejected by young, low mass stars in the &sigma Orionis region (Reipurth et al. 1998) has given rise to models...
-
PublicaciónThermal properties of slowly rotating asteroids: results from a targeted survey
Context. Earlier work suggests that slowly rotating asteroids should have higher thermal inertias than faster rotators because the heat wave penetrates deeper...
-
PublicaciónThree planets transiting the evolved star EPIC 249893012: a hot 8.8-M<SUB>⊕</SUB> super-Earth and two warm 14.7 and 10.2-M<SUB>⊕</SUB> sub-Neptunes
We report the discovery of a new planetary system with three transiting planets, one super-Earth and two sub-Neptunes, that orbit EPIC 249893012, a G8 IV-V...
-
PublicaciónThree Saturn-mass planets transiting F-type stars revealed with TESS and HARPS. TOI-615b, TOI-622b, and TOI-2641b
While the sample of confirmed exoplanets continues to grow, the population of transiting exoplanets around early-type stars is still limited. These planets...
-
PublicaciónThree Small Planets Transiting a Hyades Star
We present the discovery of three small planets transiting K2-136 (LP 358 348, EPIC 247589423), a late K dwarf in the Hyades. The planets have orbital periods...
-
PublicaciónTime series of high resolution photospheric spectra in a quiet region of the Sun. II. Analysis of the variation of physical quantities of granular structures
From the inversion of a time series of high resolution slit spectrograms obtained from the quiet sun, the spatial and temporal distribution of the...