VW
V. Witzke
astro-ph.SRastro-ph.EPastro-ph.IMphysics.flu-dynphysics.space-phastro-ph.GAphysics.data-an
On Valency
published · living versionsW_nhstdhxr·v1 · currentpublished
Granulation-driven spectral irradiance variability of Sun-like stars
with N. -E. Nèmec, G. Kopp, N. M. Kostogryz
1 version
Preprints & journals
40 papers in the corpus · 2016–2026Metallicity does not reorder line-to-line sensitivity to granulation in solar-like stars2610.11763v1 · Dusan Vukadinovi'c, Sowmya Krishnamurthy, Valeriy Vasilyev et al.2026 · 0 citationsarXiv
Towards understanding stellar variability at the sub m/s level: granulation-induced variability across the optical spectrum2608.02240v1 · Cis Lagae, Ginger Frame, Heather M. Cegla et al.2026 · 0 citationsarXiv
The Fe I 4377 Å Line as a Solar Faculae Indicator: Insights from Spectral Ratio Analysis2607.29455v1 · Katlyn L. Hobbs, Christopher A. Watson, Jean C. Costes et al.2026 · 0 citationsarXiv
Effect of surface magnetic fields on limb darkening in main-sequence stars2606.21912v1 · N. Kostogryz, A. I. Shapiro, V. Witzke et al.2026 · 0 citationsarXiv
Decoding the Radial Velocity Signatures of Solar Faculae with 3D MHD Simulations2605.22615v1 · Florian Kroll, Sowmya Krishnamurthy, Alexander Shapiro et al.2026 · 0 citationsarXiv
Sensitivity of spectral lines to granulation: from the Sun to K-type stars2605.20344v1 · V. Vasilyev, K. Sowmya, A. I. Shapiro et al.2026 · 1 citationarXiv
Synthetic disk-integrated absorption lines isolating stellar granulation for high-precision RV studies2603.04382v1 · Ginger Frame, Heather Cegla, Cis Lagae et al.2026 · 0 citationsarXiv
Overestimated Pressure Broadening Misleads Model Spectra in Cool M Dwarf Stars2601.05313v1 · Ana Glidden, Veronika Witzke, Alexander I. Shapiro et al.2026 · 2 citationsarXiv
Simulations of facular magnetic fields on cool stars I: Main sequence stars with solar metallicity2512.22379v2 · Tanayveer Singh Bhatia, Robert H. Cameron, Sami K. Solanki et al.2025 · 4 citationsarXiv
Sensitivity of spectral lines to granulation: The Sun2509.09824v2 · K. Sowmya, A. I. Shapiro, V. Vasilyev et al.2025 · 5 citationsarXiv
The effect of stellar magnetic activity on measurements of morning and evening asymmetry of planetary terminator2507.16451v1 · N. Kostogryz, A.I. Shapiro, L. Carone et al.2025 · 2 citationsarXiv
Modeling HMI observables for the study of solar oscillations2507.13756v1 · D. Fournier, N.M. Kostogryz, L. Gizon et al.2025 · 2 citationsA&A 702, A253 (2025)
Towards understanding stellar variability at the sub m/s level: Isolating granulation signals in synthetic spectral lines2504.17011v1 · Ginger Frame, Heather M. Cegla, Veronika Witzke et al.2025 · 6 citationsarXiv
First Calculations of Starspot Spectra based on 3D Radiative Magnetohydrodynamics Simulations2411.14056v2 · H. N. Smitha, Alexander I. Shapiro, Veronika Witzke et al.2024 · 25 citationsarXiv
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 citationsarXiv
Stellar Surface Magnetic Fields Impact Limb Darkening2403.00118v1 · Nadiia M. Kostogryz, Alexander I. Shapiro, Veronika Witzke et al.2024 · 1 citationarXiv
A roadmap for the atmospheric characterization of terrestrial exoplanets with JWST2310.15895v3 · TRAPPIST-1 JWST Community Initiative: Julien de Wit, Ren'e Doyon, Benjamin V. Rackham et al.2023 · 37 citationsNature Astronomy (2024) 8, 810-818
Testing MURaM and MPS-ATLAS against the quiet solar spectrum2310.05652v1 · Veronika Witzke, Alexander I. Shapiro, Nadiia M. Kostogryz et al.2023 · 18 citationsA&A 681, A81 (2024)
Spectral variability of photospheric radiation due to faculae II: Facular contrasts for cool main-sequence stars2306.04669v1 · Charlotte M. Norris, Yvonne C. Unruh, Veronika Witzke et al.2023 · 28 citationsarXiv
Metal-rich stars are less suitable for the evolution of life on their planets.37072387 · Shapiro, Anna V, Brühl, Christoph, Klingmüller, Klaus et al.2023 · 10 citationsNature communications. 2023;14(1):1893
MPS-ATLAS library of stellar model atmospheres and spectra2303.02685v1 · N. Kostogryz, A. I Shapiro, V. Witzke et al.2023 · 23 citationsarXiv
Can 1D radiative equilibrium models of faculae be used for calculating contamination of transmission spectra?2211.02860v1 · Veronika Witzke, Alexander I. Shapiro, Nadiia M. Kostogryz et al.2022 · 27 citationsarXiv
Small-scale dynamo in cool main sequence stars. II. The effect of metallicity2211.02722v1 · V. Witzke, H. B. Duehnen, A. I. Shapiro et al.2022 · 19 citationsA&A 669, A157 (2023)
Stellar limb darkening. A new MPS-ATLAS library for Kepler, TESS, CHEOPS, and PLATO passbands2206.06641v2 · N. M. Kostogryz, V. Witzke, A. I. Shapiro et al.2022 · 37 citationsA&A 666, A60 (2022)
Small-scale Dynamo in Cool Stars: I. Changes in stratification and near-surface convection for main-sequence spectral types2206.00064v2 · Tanayveer S. Bhatia, Robert H. Cameron, Sami K. Solanki et al.2022 · 30 citationsA&A 663, A166 (2022)
Chromospheric Extension of the MURaM Code2204.03126v1 · D. Przybylski, R. Cameron, S.K. Solanki et al.2022 · 56 citationsA&A 664, A91 (2022)
Predictions of Astrometric Jitter for Sun-like Stars. II. Dependence on Inclination, Metallicity, and Active-Region Nesting2107.01493v1 · K. Sowmya, N.-E. Nemec, A. I. Shapiro et al.2021 · 18 citations2021, ApJ, 919, 94
MPS-ATLAS: A fast all-in-one code for synthesising stellar spectra2105.13611v1 · V. Witzke, A. I. Shapiro, M. Cernetic et al.2021 · 44 citationsA&A 653, A65 (2021)
Radiative transfer with opacity distribution functions: Application to narrow band filters2104.13661v1 · L. S. Anusha, A. I. Shapiro, V. Witzke et al.2021 · 8 citationsarXiv
Forward modelling of Kepler-band variability due to faculae and spots2104.11544v1 · Luke J. Johnson, Charlotte N. Norris, Yvonne C. Unruh et al.2021 · 23 citationsarXiv
The Dimmest State of the Sun2102.09487v1 · K. L. Yeo, S. K. Solanki, N. A. Krivova et al.2021 · 39 citationsGeophysical Research Letters, 47, e2020GL090243 (2020)
Power spectrum of turbulent convection in the solar photosphere2010.09037v1 · L. Yelles Chaouche, R. H. Cameron, S. K. Solanki et al.2020 · 9 citationsA&A 644, A44 (2020)
Effect of metallicity on the detectability of rotational periods in solar-like stars2001.01934v1 · V. Witzke, T. Reinhold, A. I. Shapiro et al.2020 · 26 citationsA&A 634, L9 (2020)
Opacity distribution functions for stellar spectra synthesis1906.03112v2 · M. Cernetic, A. I. Shapiro, V. Witzke et al.2019 · 11 citationsA&A 627, A157 (2019)
Evolution and characteristics of forced shear flows in polytropic atmospheres: Large and small Péclet number regimes1810.01706v1 · V. Witzke, L.J. Silvers, B. Favier2018 · 0 citationsarXiv
From Solar to Stellar Brightness Variations: The Effect of Metallicity1809.04360v1 · V. Witzke, A. I. Shapiro, S. K. Solanki et al.2018 · 42 citationsA&A 619, A146 (2018)
Response of solar irradiance to sunspot area variations1805.04350v1 · T. Dudok de Wit, G. Kopp, A. Shapiro et al.2018 · 11 citationsThe Astrophysical Journal (2018) 853:197
The influence of metallicity on stellar differential rotation and magnetic activity1711.07716v1 · Christoffer Karoff, Travis S. Metcalfe, Angela R. G. Santos et al.2017 · 91 citationsarXiv
Mean Flow Evolution of Saturated Forced Shear Flows in Polytropic Atmospheres1611.10131v1 · V. Witzke, L. J. Silvers2016 · 0 citationsarXiv
Evolution of forced shear flows in polytropic atmospheres: A comparison of forcing methods and energetics1608.07608v1 · V. Witzke, L. J. Silvers, B. Favier2016 · 2 citationsarXiv
Career total: at least 86 works. 40 are in this corpus.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.