Publications of Kok Leng Yeo

Chatzistergos, T.; Krivova, N. A.; Ermolli, I.; Yeo, K. L.; Mandal, S.; Solanki, S. K.; Kopp, G.; Malherbe, J.-M.: Reconstructing solar irradiance from historical Ca II K observations: I. Method and its validation. Astronomy and Astrophysics 656, A104 (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)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.; Jiang, J.: The relationship between bipolar magnetic regions and their sunspots. Astronomy and Astrophysics 654, A28 (2021)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.: How faculae and network relate to sunspots, and the implications for solar and stellar brightness variations. Astronomy and Astrophysics 639, A139 (2020)

Yeo, K. L.; Solanki, S. K.; Krivova, N. A.: How faculae and network relate to sunspots, and the implications for solar and stellar brightness variations (Corrigendum). Astronomy and Astrophysics 642, C2 (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)

Chatzistergos, T.; Ermolli, I.; Solanki, S. K.; Krivova, N. A.; Giorgi, F.; Yeo, K. L.: Recovering the unsigned photospheric magnetic field from Ca II K observations. Astronomy and Astrophysics 626, A114 (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)

Yeo, K. L.; Krivova, N. A.: Intensity contrast of solar network and faculae: II. Implications for solar irradiance modelling. Astronomy and Astrophysics 624, A135 (2019)

Norris, C. M.; Beeck, B.; Unruh, Y. C.; Solanki, S. K.; Krivova, N. A.; Yeo, K. L.: Spectral variability of photospheric radiation due to faculae I. The Sun and Sun-like stars. Astronomy and Astrophysics 605, A45 (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)

Yeo, K. L.; Krivova, N. A.; Solanki, S. K.: EMPIRE: A robust empirical reconstruction of solar irradiance variability. Journal Geophysical Research 122, pp. 3888 - 3914 (2017)

Yeo, K. L.; Solanki, S. K.; Norris, C. M.; Beeck, B.; Unruh, Y. C.; Krivova, N. A.: Solar Irradiance Variability is Caused by the Magnetic Activity on the Solar Surface. Physical Review Letters 119, 091102 (2017)

Dasi-Espuig, M.; Jiang, J.; Krivova, N. A.; Solanki, S. K.; Unruh, Y. C.; Yeo, K. L.: Reconstruction of spectral solar irradiance since 1700 from simulated magnetograms. Astronomy and Astrophysics 590, A63 (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)

Yeo, K. L.; Ball, W. T.; Krivova, N. A.; Solanki, S. K.; Unruh, Y. C.; Morrill, J.: UV solar irradiance in observations and the NRLSSI and SATIRE-S models. Journal Geophysical Research 120, pp. 6055 - 6070 (2015)

Thuillier, G.; Schmidtke, G.; Erhardt, C.; Nikutowski, B.; Shapiro, A. I.; Bolduc, C.; Lean, J.; Krivova, N. A.; Charbonneau, P.; Cessateur, G. et al.; Haberreiter, M.; Melo, S.; Delouille, V.; Mampaey, B.; Yeo, K. L.; Schmutz, W.: Solar Spectral Irradiance Variability in November/December 2012: Comparison of Observations by Instruments on the International Space Station and Models. Solar Physics 289, pp. 4433 - 4452 (2014)

Yeo, K. L.; Feller, A.; Solanki, S. K.; Couvidat, S.; Danilovic, S.; Krivova, N. A.: Point spread function of SDO/HMI and the effects of stray light correction on the apparent properties of solar surface phenomena. Astronomy and Astrophysics 561, A22 (2014)

Yeo, K. L.; Krivova, N. A.; Solanki, S. K.: Solar Cycle Variation in Solar Irradiance. Space Science Reviews 186, pp. 137 - 167 (2014)

Yeo, K. L.; Krivova, N. A.; Solanki, S. K.; Glassmeier, K. H.: Reconstruction of total and spectral solar irradiance from 1974 to 2013 based on KPVT, SoHO/MDI and SDO/HMI observations. Astronomy and Astrophysics 570, A85 (2014)