Publikationen von Alexander Shapiro

Amazo-Gomez, E.; Shapiro, A.; Solanki, S. K.; Kopp, G.; Oshagh, M.; Reinhold, T.; Reiners, A.: Inflection point in the power spectrum of stellar brightness variations: III. Facular versus spot dominance on stars with known rotation periods. Astronomy and Astrophysics 642, A225 (2020)

Amazo-Gómez, E. M.; Shapiro, A.; Solanki, S. K.; Krivova, N. A.; Kopp, G.; Reinhold, T.; Oshagh, M.; Reiners, A.: Inflection point in the power spectrum of stellar brightness variations: II. The Sun. Astronomy and Astrophysics 636, A69 (2020)

Isik, E.; Shapiro, A.; Solanki, S. K.; Krivova, N. A.: Amplification of Brightness Variability by Active-region Nesting in Solar-like Stars. The Astrophysical Journal Letters 901, L12 (2020)

Isik, E.; Shapiro, A.; Solanki, S. K.; Krivova, N. A.: Erratum: Amplification of Brightness Variability by Active-region Nesting in Solar-like Stars (ApJL (2020) 901 (L12). Astrophysical Journal, Letters 905 (2), L36 (2020)

Nèmec, N.-E.; Isik, E.; Shapiro, A.; Solanki, S. K.; Krivova, N. A.; Unruh, Y.: Connecting measurements of solar and stellar brightness variations. Astronomy and Astrophysics 638, A56 (2020)

Nèmec, N.-E.; Shapiro, A.; Krivova, N. A.; Solanki, S. K.; Tagirov, R.; Cameron, R. H.; Dreizler, S.: Power spectra of solar brightness variations at various inclinations. Astronomy and Astrophysics 636, A43 (2020)

Reinhold, T.; Shapiro, A.; Solanki, S. K.; Montet, B. T.; Krivova, N. A.; Cameron, R. H.; Amazo-Gómez, , E. M.: The Sun is less active than other solar-like stars. Science 368 (6490), S. 518 - 521 (2020)

Shapiro, A.; Amazo-Gomez, E.; Krivova, N. A.; Solanki, S. K.: Inflection point in the power spectrum of stellar brightness variations: I. The model. Astronomy and Astrophysics 633, A32 (2020)

Shapiro, A. V.; Shapiro, A.; Gizon, L.; Krivova, N. A.; Solanki, S. K.: Solar-cycle irradiance variations over the last four billion years. Astronomy and Astrophysics 636, A83 (2020)

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)

Zhang, J.; Shapiro, A.; Bi, S.; Xiang, M.; Reinhold, T.; Sowmya, K.; Li, Y.; Li, T.; Yu, J.; Du, M. et al.; Zhang, X.: Solar-type Stars Observed by LAMOST and Kepler. The Astrophysical Journal Letters 894 (1), L11 (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)

Reinhold, T.; Bell, K. J.; Kuszlewicz, J.; Hekker, S.; Shapiro, A.: Transition from spot to faculae domination: An alternate explanation for the dearth of intermediate Kepler rotation periods. Astronomy and Astrophysics 621, A21 (2019)

Tagirov, R.; Shapiro, A.; Krivova, N. A.; Unruh, Y. C.; Yeo, K. L.; Solanki, S. K.: Readdressing the UV solar variability with SATIRE-S: non-LTE effects. Astronomy and Astrophysics 631, A178 (2019)

Dudok de Wit, T. D.; Kopp, G.; Shapiro, A.; Witzke, V.; Kretzschmar, M.: Response of Solar Irradiance to Sunspot-area Variations. The Astrophysical Journal 853 (2), 197 (2018)

Egorova, T.; Schmutz, W.; Rozanov, E.; Shapiro, A.; Usoskin, I.; Beer, J.; Tagirov, R. V.; Peter, T.: Revised historical solar irradiance forcing. Astronomy and Astrophysics 615, A85 (2018)

Isik, E.; Solanki, S. K.; Krivova, N. A.; Shapiro, A.: Forward modelling of brightness variations in Sun-like stars: I. Emergence and surface transport of magnetic flux. Astronomy and Astrophysics 620, A177 (2018)

Karoff, C.; Metcalfe, T. S.; Santos, Â. R. G.; Montet, B. T.; Isaacson, H.; Witzke, V.; Shapiro, A.; Mathur, S.; Davies, G. R.; Lund, M. N. et al.; Garcia, R. A.; Brun, A. S.; Salabert, D.; Avelino, P. P.; van Saders, J.; Egeland, R.; Cunha, M. S.; Campante, T. L.; Chaplin, W. J.; Krivova, N. A.; Solanki, S. K.; Stritzinger, M.; Knudsen, M. F.: The Influence of Metallicity on Stellar Differential Rotation and Magnetic Activity. The Astrophysical Journal 852 (1), 46 (2018)