The Hubble PanCET program: an extensive search for metallic ions in the exosphere of GJ 436 b

LA dos Santos, D Ehrenreich, V Bourrier… - Astronomy & …, 2019 - aanda.org
Context. The quiet M2. 5 star GJ 436 hosts a warm Neptune that displays an extended
atmosphere that dwarfs its own host star. Predictions of atmospheric escape in such planets …

Measuring stellar surface rotation and activity with the PLATO mission-I. Strategy and application to simulated light curves

SN Breton, AF Lanza, S Messina, I Pagano… - Astronomy & …, 2024 - aanda.org
The Planetary Transits and Oscillations of stars mission (PLATO) will allow us to measure
surface rotation and monitor photometric activity of tens of thousands of main sequence …

OO Leo: An Active Contact Binary with Possible Solar-like Differential Rotation

ZB Meng, PR Wu, YX Yu, K Hu… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract With Transiting Exoplanet Survey Satellite (TESS) high-precision photometry and
Large Sky Area Multi-object Fiber Spectroscopic Telescope medium-resolution spectra, we …

Amplification of brightness variability by active-region nesting in solar-like stars

E Işık, AI Shapiro, SK Solanki… - The Astrophysical …, 2020 - iopscience.iop.org
Kepler observations revealed that hundreds of stars with near-solar fundamental parameters
and rotation periods have much stronger and more regular brightness variations than the …

The connection between starspots and flares on main-sequence Kepler stars

RM Roettenbacher, K Vida - The Astrophysical Journal, 2018 - iopscience.iop.org
Starspots and flares are indicators of stellar magnetic activity and can both be studied in
greater detail by utilizing the long-term, space-based archive of the Kepler satellite. Here, we …

Planetary perturbers: flaring star–planet interactions in Kepler and TESS

E Ilin, K Poppenhäger, J Chebly, N Ilić… - Monthly Notices of …, 2024 - academic.oup.com
In many star–planet systems discovered so far, the innermost planet orbits within only a few
stellar radii. In these systems, planets could become in situ probes of the extended stellar …

Properties and evolutions of starspots on three detached eclipsing binaries in the LAMOST–Kepler survey

J Wang, J Fu, W Zong, Y Pan, H Niu… - Monthly Notices of …, 2022 - academic.oup.com
Spotted detached eclipsing binaries (DEBs) offer insights into starspots on binaries. In this
work, we study three spotted DEBs, KIC 8097825, KIC 6859813 and KIC 5527172, which …

KIC 5359678: a detached eclipsing binary with starspots

J Wang, J Fu, H Niu, Y Pan, C Li… - Monthly Notices of the …, 2021 - academic.oup.com
We study the detached eclipsing binary, KIC 5359678, with starspot modulation using the
high-quality Kepler photometry and LAMOST spectroscopy. The phoebe model, optimal for …

Forward modelling of brightness variations in Sun-like stars-I. Emergence and surface transport of magnetic flux

E Işık, SK Solanki, NA Krivova, AI Shapiro - Astronomy & Astrophysics, 2018 - aanda.org
Context. The latitudinal distribution of starspots deviates from the solar pattern with
increasing rotation rate. Numerical simulations of magnetic flux emergence and transport …

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N-IV. TYC 3667-1280-1: The most massive red giant star hosting a warm Jupiter

A Niedzielski, E Villaver, G Nowak, M Adamów… - Astronomy & …, 2016 - aanda.org
Context. We present the latest result of the TAPAS project that is devoted to intense
monitoring of planetary candidates that are identified within the PennState-Toruń planet …