Publications of R. K. Ulrich ordered by citations

A list of publications authored or co-authored by R. K. Ulrich, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0003-4041-4657

36	70 Years of Chromospheric Solar Activity and Dynamics Bertello, Luca, Pevtsov, Alexei A. & Ulrich, Roger K., 2020, ApJ, 897, 181
33	Magnetograph Saturation and the Open Flux Problem Wang, Y.-M., Ulrich, R. K. & Harvey, J. W., 2022, ApJ, 926, 113
20	Reconstructing solar magnetic fields from historical observations. V. Sunspot magnetic field measurements at Mount Wilson Observatory Pevtsov, Alexei A., Tlatova, Kseniya A., Pevtsov, Alexander A., Heikkinen, Elina, Virtanen, Ilpo, Karachik, Nina V., Bertello, Luca, Tlatov, Andrey G., Ulrich, Roger & Mursula, Kalevi, 2019, A&A, 628, A103
6	The Sun's Large-Scale Flows I: Measurements of Differential Rotation & Torsional Oscillation Mahajan, Sushant S., Upton, Lisa A., Antia, H. M., Basu, Sarbani, DeRosa, Marc L., Hess Webber, Shea A., Hoeksema, J. Todd, Jain, Kiran, Komm, Rudolf W., Larson, Tim, Nagovitsyn, Yury A., Pevtsov, Alexei A., Roudier, Thierry, Tripathy, Sushanta C., Ulrich, Roger K. & Zhao, Junwei, 2024, Solar Physics, 299, 38
6	Polar Upwelling at Three Sunspot Minima Ulrich, Roger K., Tran, Tham & Boyden, John E., 2022, Research Notes of the American Astronomical Society, 6, 181
5	Photospheric Velocities Measured at Mt. Wilson Show Rotational and Poleward Velocity Deviations Compose the Torsional Oscillations Ulrich, Roger K., Tran, Tham & Boyden, John E., 2023, Solar Physics, 298, 123
4	Generation of a North/South Magnetic Field Component from Variations in the Photospheric Magnetic Field Ulrich, Roger K. & Tran, Tham, 2016, Solar Physics, 291, 1059
2	Calibration and Release of Magnetograms/Dopplergrams Obtained at the Mt. Wilson 150-Foot Tower Telescope (MWO) Ulrich, Roger K., Boyden, John & Tran, Tham, 2024, Solar Physics, 299, 149
2	Solar Sources of Interplanetary Magnetic Clouds Leading to Helicity Prediction Ulrich, Roger K., Riley, Pete & Tran, T., 2018, Space Weather, 16, 1668