Publications of V. Witzke

Witzke, V.; Duehnen, H. B.; Shapiro, A. I.; Przybylski, D.; Bhatia, T. S.; Cameron, R.; Solanki, S. K.: Small-scale dynamo in cool stars. II. The effect of metallicity. Astronomy and Astrophysics 669, p. A157 (2023)

Anusha, L. S.; Shapiro, A. I.; Witzke, V.; Cernetic, M.; Solanki, S. K.; Gizon, L.: Radiative Transfer with Opacity Distribution Functions: Application to Narrowband Filters. The Astrophysical Journal Supplement Series 255 (1), 3 (2021)

Johnson, L. J.; Norris, C. M.; Unruh, Y. C.; Solanki, S. K.; Krivova, N.; Witzke, V.; Shapiro, A.: Forward modelling of Kepler-band variability due to faculae and spots. Monthly Notices of the Royal Astronomical Society 504 (4), pp. 4751 - 4767 (2021)

Reinhold, T.; Shapiro, A.; Witzke, V.; Nèmec, N.-E.; Işık, E.; Solanki, S. K.: Where Have All the Solar-like Stars Gone? Rotation Period Detectability at Various Inclinations and Metallicities. The Astrophysical Journal Letters 908 (2), L21 (2021)

Sowmya, K.; Nèmec, N.-E.; Shapiro, A.; Isik, E.; Witzke, V.; Mints, A.; Krivova, N. A.; Solanki, S. K.: Predictions of Astrometric Jitter for Sun-like Stars. II. Dependence on Inclination, Metallicity, and Active-region Nesting. The Astrophysical Journal 919 (2), 94 (2021)

Sowmya, K.; Nemec, N.-E.; Shapiro, A. I.; Isik, E.; Witzke, V.; Mints, A.; Krivova, N. A.; Solanki, S. K.: Predictions of Astrometric Jitter for Sun-like Stars. II. Dependence on Inclination, Metallicity, and Active-region Nesting. The Astrophysical Journal 919, p. 94 (2021)

Sowmya, K.; Shapiro, A.; Witzke, V.; Nèmec, N.-E.; Chatzistergos, T.; Yeo, K. L.; Krivova, N. A.; Solanki, S. K.: Modeling Stellar Ca ii H and K Emission Variations. I. Effect of Inclination on the S-index. The Astrophysical Journal 914 (1), 21 (2021)

Sowmya, K.; Shapiro, A. I.; Witzke, V.; Nemec, N.-E.; Chatzistergos, T.; Yeo, K. L.; Krivova, N. A.; Solanki, S. K.: Modeling Stellar Ca II H and K Emission Variations. I. Effect of Inclination on the S-index. The Astrophysical Journal 914, p. 21 (2021)

Witzke, V.; Shapiro, A.; Cernetic, M.; Tagirov, R.; Kostogryz, N. M.; Anusha, L. S.; Unruh, Y. C.; Solanki, S. K.; Kurucz, R. L.: MPS-ATLAS: A fast all-in-one code for synthesising stellar spectra. Astronomy and Astrophysics 653, A65 (2021)

Witzke, V.; Reinhold, T.; Shapiro, A.; Krivova, N. A.; Solanki, S. K.: Effect of metallicity on the detectability of rotational periods in solar-like stars. Astronomy and Astrophysics 634, L9 (2020)

Yelles Chaouche, L.; Cameron, R. H.; Solanki, S. K.; Riethmüller, T.; Anusha, L. S.; Witzke, V.; Shapiro, A.; Barthol, P.; Gandorfer, A. M.; Gizon, L. et al.; Hirzberger, J.; van Noort, M.; Blanco Rodríguez, J.; Del Toro Iniesta, J. C.; Orozco Suárez, D.; Schmidt, W.; Martínez Pillet, V.; Knölker, M.: Power spectrum of turbulent convection in the solar photosphere. Astronomy and Astrophysics 644, A44 (2020)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.; Rempel, M.; Anusha, L. S.; Shapiro, A.; Tagirov, R.; Witzke, V.: The dimmest state of the Sun. Geophysical Research Letters 47 (19), e2020GL090243 (2020)

Černetič, M.; Shapiro, A.; Witzke, V.; Krivova, N. A.; Solanki, S. K.; Tagirov, R.: Opacity distribution functions for stellar spectra synthesis. Astronomy and Astrophysics 627, A157 (2019)

Witzke, V.; Silvers, L. J.; Favier, B.: Evolution and characteristics of forced shear flows in polytropic atmospheres: large and small Péclet number regimes. Monthly Notices of the Royal Astronomical Society 482 (1), pp. 1338 - 1351 (2019)

Witzke, V.; Shapiro, A.; Solanki, S. K.; Krivova, N. A.; Schmutz, W.: From solar to stellar brightness variations: The effect of metallicity. Astronomy and Astrophysics 619, A146 (2018)

Nemec, N.-E.; Shapiro, A.; Krivova, N. A.; Cameron, R. H.; Witzke, V.; Solanki, S. K.; Dreizler, S.: Solar brightness variations as they would be observed by the Kepler telescope. Observing the Sun as a star: Would we find the solar system if we saw it?, Göttingen, Germany (2018)

Nemec, N.-E.; Shapiro, A.; Krivova, N. A.; Cameron, R. H.; Witzke, V.; Solanki, S. K.; Dreizler, S.: Solar brightness variations as observed by the Kepler telescope. XXXth General Assembly of the International Astronomical Union, Vienna, Austria (2018)