Publications of Alexander Shapiro

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)

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)

Jungclaus, J. H.; Bard, E.; Baroni, M.; Braconnot, P.; Cao, J.; Chini, L. P.; Egorova, T.; Evans, M.; González-Rouco, J. F.; Goosse, H. et al.; Hurtt, G. C.; Joos, F.; Kaplan, J. O.; Khodri, M.; Goldewijk, K. K.; Krivova, N. A.; LeGrande, A. N.; Lorenz, S. J.; Luterbacher, J.; Man, W.; Maycock, A. C.; Meinshausen, M.; Moberg, A.; Muscheler, R.; Nehrbass-Ahles, C.; Otto-Bliesner, B. I.; Phipps, S. J.; Pongratz, J.; Rozanov, E.; Schmidt, G. A.; Schmidt, H.; Schmutz, W.; Schurer, A.; Shapiro, A.; Sigl, M.; Smerdon, J. E.; Solanki, S. K.; Timmreck, C.; Toohey, M.; Usoskin, I. G.; Wagner, S.; Wu, C.-J.; Yeo, K. L.; Zanchettin, D.; Zhang, Q.; Zorita, E.: The PMIP4 contribution to CMIP6 – Part 3: The last millennium, scientific objective, and experimental design for the PMIP4 past1000 simulations. Geoscientific Model Development 10, pp. 4005 - 4033 (2017)

Shapiro, A.; Solanki, S. K.; Krivova, N. A.; Cameron, R. H.; Yeo, K. L.; Schmutz, W. K.: The nature of solar brightness variations. Nature astronomy 1, pp. 612 - 616 (2017)

Tagirov, R. V.; Shapiro, A. I.; Schmutz, W.: NESSY: NLTE spectral synthesis code for solar and stellar atmospheres. Astronomy and Astrophysics 603, A27 (2017)

Thuillier, G.; Zhu, P.; Shapiro, A. I.; Sofia, S.; Tagirov, R.; van Ruymbeke, M.; Perrin, J.-M.; Sukhodolov, T.; Schmutz, W.: Solar disc radius determined from observations made during eclipses with bolometric and photometric instruments on board the PICARD satellite. Astronomy and Astrophysics 603, A28 (2017)

Cessateur, G.; Schmutz, W.; Wehrli, C.; Groebner, J.; Haberreiter, M.; Kretzschmar, M.; Rozanov, E.; Schoell, M.; Shapiro, A.; Thuillier, G. et al.; Egorova, T.; Finsterle, W.; Fox, N.; Hochedez, J.-F.; Koller, S.; Meftah, M.; Meindl, P.; Nyeki, S.; Pfiffner, D.; Roth, H.; Rouze, M.; Spescha, M.; Tagirov, R.; Werner, L.; Wyss, J.-U.: Solar irradiance observations with PREMOS filter radiometers on the PICARD mission: In-flight performance and data release. Astronomy and Astrophysics 588, A126 (2016)

Shapiro, A. I.; Solanki, S. K.; Krivova, N. A.; Yeo, K. L.; Schmutz, W. K.: Are solar brightness variations faculae- or spot-dominated? Astronomy and Astrophysics 589, A46 (2016)