Publications of Alexander I. Shapiro

Reinhold, T.; Shapiro, A. I.; Solanki, S. K.; Basri, G.: Measuring Periods in Aperiodic Light Curves-Applying the GPS Method to Infer the Rotation Periods of Solar-like Stars. The Astrophysical Journal 938, p. L1 (2022)

Sowmya, K.; Nemec, N.-E.; Shapiro, A. I.; Isik, E.; Krivova, N. A.; Solanki, S. K.: Predictions of Astrometric Jitter for Sun-like Stars. III. Fast Rotators. The Astrophysical Journal 934, p. 146 (2022)

Sowmya, K.; Nemec, N.-E.; Shapiro, A. I.; Işık, E.; Krivova, N. A.; Solanki, S. K.: Predictions of Astrometric Jitter for Sun-like Stars. III. Fast Rotators. The Astrophysical Journal 934, p. 146 (2022)

Vasilyev, V.; Reinhold, T.; Shapiro, A. I.; Krivova, N. A.; Usoskin, I.; Montet, B. T.; Solanki, S. K.; Gizon, L.: Superflares on solar-like stars. A new method for identifying the true flare sources in photometric surveys. Astronomy and Astrophysics 668, p. A167 (2022)

Witzke, V.; Shapiro, A. I.; Kostogryz, N. M.; Cameron, R.; Rackham, B. V.; Seager, S.; Solanki, S. K.; Unruh, Y. C.: Can 1D Radiative-equilibrium Models of Faculae Be Used for Calculating Contamination of Transmission Spectra? The Astrophysical Journal 941, p. L35 (2022)

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)

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)