Publications of Alexander Shapiro

Kopp, G.; Shapiro, A.: Irradiance Variations of the Sun and Sun-Like Stars - Overview of Topical Collection. Solar Physics 296 (4), 60 (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)

Shapiro, A. I.; Solanki, S. K.; Krivova, N. A.: Predictions of Astrometric Jitter for Sun-like Stars. I. The Model and Its Application to the Sun as Seen from the Ecliptic. The Astrophysical Journal 908 (2), 223 (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)

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), pp. 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)