Publications of R. K. Ulrich

A list of publications authored or co-authored by R. K. Ulrich, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0003-4041-4657

List of publications ordered by citations
Number of papers: 9 (refereed: 8)
No. of citations: 114
First author papers: 5 (refereed: 4)

2024

1. The Sun's Large-Scale Flows I: Measurements of Differential Rotation & Torsional Oscillation [6]
   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, Solar Physics, 299, 38
2. Calibration and Release of Magnetograms/Dopplergrams Obtained at the Mt. Wilson 150-Foot Tower Telescope (MWO) [2]
   Ulrich, Roger K., Boyden, John & Tran, Tham, Solar Physics, 299, 149

2023

1. Photospheric Velocities Measured at Mt. Wilson Show Rotational and Poleward Velocity Deviations Compose the Torsional Oscillations [5]
   Ulrich, Roger K., Tran, Tham & Boyden, John E., Solar Physics, 298, 123

2022

1. Polar Upwelling at Three Sunspot Minima [6]
   Ulrich, Roger K., Tran, Tham & Boyden, John E., Research Notes of the American Astronomical Society, 6, 181
2. Magnetograph Saturation and the Open Flux Problem [33]
   Wang, Y.-M., Ulrich, R. K. & Harvey, J. W., ApJ, 926, 113

2020

1. 70 Years of Chromospheric Solar Activity and Dynamics [36]
   Bertello, Luca, Pevtsov, Alexei A. & Ulrich, Roger K., ApJ, 897, 181

2019

1. Reconstructing solar magnetic fields from historical observations. V. Sunspot magnetic field measurements at Mount Wilson Observatory [20]
   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, A&A, 628, A103

2018

1. Solar Sources of Interplanetary Magnetic Clouds Leading to Helicity Prediction [2]
   Ulrich, Roger K., Riley, Pete & Tran, T., Space Weather, 16, 1668

2016

1. Generation of a North/South Magnetic Field Component from Variations in the Photospheric Magnetic Field [4]
   Ulrich, Roger K. & Tran, Tham, Solar Physics, 291, 1059