Publications of V. Witzke

A list of publications authored or co-authored by V. Witzke, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0002-0929-1612

List of publications ordered by citations
Number of papers: 24 (refereed: 21)
No. of citations: 372
First author papers: 11 (refereed: 9)

2026

1. Overestimated Pressure Broadening Misleads Model Spectra in Cool M Dwarf Stars [0]
   Glidden, Ana, Witzke, Veronika, Shapiro, Alexander I. & Seager, Sara, ApJ, 997, L8
2. Molecular Hydrogen Controls the Temperatures of Flares on TRAPPIST-1 [1]
   Shapiro, A. I., Kostogryz, N., Seager, S., Witzke, V., de Wit, J., Vasilyev, V., Veronig, Astrid M., Robert, Cameron, Hardi, Peter & Solanki, S. K., ApJ, 998, L7

2025

1. Towards understanding stellar variability at the sub m/s level: isolating granulation signals in synthetic spectral lines [3]
   Frame, Ginger, Cegla, Heather M., Witzke, Veronika, Lagae, Cis, Palumbo, Michael L., III, Shelyag, Sergiy, Watson, Christopher & Shapiro, Alexander, MNRAS, 539, 2248
2. The Effect of Stellar Magnetic Activity on Measurements of Morning and Evening Asymmetry of Planetary Terminator [1]
   Kostogryz, N., Shapiro, A. I., Carone, L., Gizon, L., Helling, Ch., Kiefer, S., Mercier, S., Seager, S., Solanki, S. K., Unruh, Y., de Wit, J. & Witzke, V., ApJ, 989, L6
3. First Calculations of Starspot Spectra Based on 3D Radiative Magnetohydrodynamics Simulations [18]
   Smitha, H. N., Shapiro, Alexander I., Witzke, Veronika, Kostogryz, Nadiia M., Unruh, Yvonne C., Bhatia, Tanayveer S., Cameron, Robert, Seager, Sara & Solanki, Sami K., ApJ, 978, L13

2024

1. Testing MURaM and MPS-ATLAS against the quiet solar spectrum [12]
   Witzke, Veronika, Shapiro, Alexander I., Kostogryz, Nadiia M., Mauviard, Lucien, Bhatia, Tanayveer S., Cameron, Robert, Gizon, Laurent, Przybylski, Damien, Solanki, Sami K., Unruh, Yvonne C. & Yue, Li, A&A, 681, A81

2023

1. Small-scale dynamo in cool stars. II. The effect of metallicity [19]
   Witzke, V., Duehnen, H. B., Shapiro, A. I., Przybylski, D., Bhatia, T. S., Cameron, R. & Solanki, S. K., A&A, 669, A157

2022

1. Can 1D Radiative-equilibrium Models of Faculae Be Used for Calculating Contamination of Transmission Spectra? [22]
   Witzke, Veronika, Shapiro, Alexander I., Kostogryz, Nadiia M., Cameron, Robert, Rackham, Benjamin V., Seager, Sara, Solanki, Sami K. & Unruh, Yvonne C., ApJ, 941, L35

2021

1. Modelling Solar Ca II H&K Emission Variations [0]
   Krishnamurthy, Sowmya, Shapiro, Alexander I., Witzke, Veronika, Nèmec, Nina-E., Chatzistergos, Theodosis, Yeo, Kok Leng, Krivova, Natalie A. & Solanki, Sami K., The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 154
2. Where Have All the Solar-like Stars Gone? Rotation Period Detectability at Various Inclinations and Metallicities [17]
   Reinhold, Timo, Shapiro, Alexander I., Witzke, Veronika, Nèmec, Nina-E., Işık, Emre & Solanki, Sami K., ApJ, 908, L21
3. Predictions of Astrometric Jitter for Sun-like Stars. II. Dependence on Inclination, Metallicity, and Active-region Nesting [18]
   Sowmya, K., Nèmec, N.-E., Shapiro, A. I., Işık, E., Witzke, V., Mints, A., Krivova, N. A. & Solanki, S. K., ApJ, 919, 94
4. Modeling Stellar Ca II H and K Emission Variations. I. Effect of Inclination on the S-index [20]
   Sowmya, K., Shapiro, A. I., Witzke, V., Nèmec, N.-E., Chatzistergos, T., Yeo, K. L., Krivova, N. A. & Solanki, S. K., ApJ, 914, 21
5. MPS-ATLAS: A fast all-in-one code for synthesising stellar spectra [38]
   Witzke, V., Shapiro, A. I., Cernetic, M., Tagirov, R. V., Kostogryz, N. M., Anusha, L. S., Unruh, Y. C., Solanki, S. K. & Kurucz, R. L., A&A, 653, A65

2020

1. Effect of metallicity on the detectability of rotational periods in solar-like stars [27]
   Witzke, V., Reinhold, T., Shapiro, A. I., Krivova, N. A. & Solanki, S. K., A&A, 634, L9
2. The Dimmest State of the Sun [28]
   Yeo, K. L., Solanki, S. K., Krivova, N. A., Rempel, M., Anusha, L. S., Shapiro, A. I., Tagirov, R. V. & Witzke, V., Geophysical Research Letters, 47, e90243

2019

1. Opacity distribution functions for stellar spectra synthesis [10]
   Cernetic, M., Shapiro, A. I., Witzke, V., Krivova, N. A., Solanki, S. K. & Tagirov, R. V., A&A, 627, A157
2. Evolution and characteristics of forced shear flows in polytropic atmospheres: large and small Péclet number regimes [0]
   Witzke, V., Silvers, L. J. & Favier, B., MNRAS, 482, 1338
3. Mean flow evolution of saturated forced shear flows in polytropic atmospheres [0]
   Witzke, V. & Silvers, L. J., EAS Publications Series, EAS Publications Series, 82, p. 259

2018

1. Response of Solar Irradiance to Sunspot-area Variations [8]
   Dudok de Wit, T., Kopp, G., Shapiro, A., Witzke, V. & Kretzschmar, M., ApJ, 853, 197
2. The Influence of Metallicity on Stellar Differential Rotation and Magnetic Activity [84]
   Karoff, Christoffer, Metcalfe, Travis S., Santos, Ângela R. G., Montet, Benjamin T., Isaacson, Howard, Witzke, Veronika, Shapiro, Alexander I., Mathur, Savita, Davies, Guy R., Lund, Mikkel N., Garcia, Rafael A., Brun, Allan S., Salabert, David, Avelino, Pedro P., van Saders, Jennifer, Egeland, Ricky, Cunha, Margarida S., Campante, Tiago L., Chaplin, William J., Krivova, Natalie, Solanki, Sami K., Stritzinger, Maximilian & Knudsen, Mads F., ApJ, 852, 46
3. From solar to stellar brightness variations. The effect of metallicity [36]
   Witzke, V., Shapiro, A. I., Solanki, S. K., Krivova, N. A. & Schmutz, W., A&A, 619, A146

2016

1. Mean Flow Evolution of Saturated Forced Shear Flows in Polytropic Atmospheres [1]
   Witzke, V. & Silvers, L. J., arXiv:1611.10131
2. Evolution of forced shear flows in polytropic atmospheres: a comparison of forcing methods and energetics [4]
   Witzke, V., Silvers, L. J. & Favier, B., MNRAS, 463, 282

2015

1. Shear instabilities in a fully compressible polytropic atmosphere [5]
   Witzke, V., Silvers, L. J. & Favier, B., A&A, 577, A76