Selected Publications.

These links are all to ADS unless otherwise noted.

Solar Oscillations, the early years.

Ulrich, R.K. 1969BAAS....1..294U, The Acoustic Properties of the Solar Surface (local pdf file), (ADS Abstracts for the meeting).

Ulrich, Roger K. 1970ApJ...162..993U, The Five-Minute Oscillations on the Solar Surface

Rhodes, S. J., Jr.; Ulrich, R. K.; Simon, G. W. 1976BAAS....8..533R, Acoustic Spectroscopy of the Solar Envelope.

Ulrich, R. K.; Rhodes, E. J., Jr. 1977ApJ...218..521U, The sensitivity of nonradial P mode eigenfrequencies to solar envelope structure

Rhodes, E. J., Jr.; Ulrich, R. K.; Simon, G. W. 1977ApJ...218..901R, Observations of nonradial p-mode oscillations on the sun

Rhodes, E. J., Jr.; Ulrich, R. K.; Deubner, F.-L. 1979ApJ...227..629R, A new technique for measuring solar rotation

Ulrich, R. K.; Rhodes, E. J., Jr.; Deubner, F.-L. 1979ApJ...227..638U, The effect of a radial rotational velocity gradient on p-mode eigenfrequencies

Deubner, F.-L.; Ulrich, R. K.; Rhodes, E. J., Jr. 1979A&A....72..177D, Solar p-mode oscillations as a tracer of radial differential rotation

Ulrich, R. K.; Rhodes, E. J., Jr. 1983ApJ...265..551U, Testing solar models with global solar oscillations in the 5-minute band

Korzennik, Sylvain G.; Ulrich, Roger K. 1989ApJ...339.1144K, Seismic analysis of the solar interior. I - Can opacity changes improve the theoretical frequencies?

Ulrich, R. K.; Henney, C. J.; Schimpf, S.; Fossat, E.; Gelly, B.; Grec, G.; Loudagh, S.; Schmider, F.-X.; Palle, P.; Régulo, C. 1993A&A...280..268U, Modeling of integrated sunlight velocity measurements: The effect of surface darkening by magnetic fields

Helioseismology and SOHO Investigations

Gabriel, A. H.; Grec, G.; Charra, J.; Robillot, J.-M.; Cortés, T. Roca; Turck-Chièze, S.; Bocchia, R.; Boumier, P.; Cantin, M.; Cespedes, E.; Cougrand, B.; Cretolle, J.; Damé, L.; Decaudin, M.; Delache, P.; Denis, N.; Duc, R.; Dzitko, H.; Fossat, E.; Fourmond, J.-J.; García, R. A.; Gough, D.; Grivel, C.; Herreros, J. M.; Lagardere, H.; Moalic, J.-P.; Pallé, P. L.; Petrou, N.; Sanchez, M.; Ulrich, R.; van der Raay, H. B 1995SoPh..162...61G, Global Oscillations at Low Frequency from the SOHO Mission (GOLF)

Toutain, T.; Appourchaux, T.; Baudin, F.; Froehlich, C.; Gabriel, A.; Scherrer, P.; Andersen, B. N.; Bogart, R.; Bush, R.; Finsterle, W.; García, R. A.; Grec, G.; Henney, C. J.; Hoeksema, J. T.; Jimenez, A.; Kosovichev, A.;Roca Cortés, T.; Turck-Chièze, S.; Ulrich, R.; Wehrli, C. 1997SoPh..175..311T, Tri-Phonic Helioseismology: Comparison of Solar P Modes Observed by the Helioseismology Instruments Aboard SOHO

Turck-Chièze, S.; Basu, S.; Brun, A. S.; Christensen-Dalsgaard, J.; Eff-Darwich, A.; Lopes, I.; Perez Hernandez, F.; Berthomieu, G.; Provost, J.; Ulrich, R. K.; Baudin, F.; Boumier, P.; Charra, J.; Gabriel, A. H.; García, R. A.; Grec, G.; Renaud, C.; Robillot, J. M.; Cortés, T. Roca 1997SoPh..175..247T, First View of the Solar Core from GOLF Acoustic Modes

Lazrek, M.; Baudin, F.; Bertello, L.; Boumier, P.; Charra, J.; Fierry-Fraillon, D.; Fossat, E.; Gabriel, A. H.; García, R. A.; Gelly, B.; Gouiffes, C.; Grec, G.; Pallé, P. L.; Hernandez, F. Perez; Régulo, C.; Renaud, C.; Robillot, J.-M.; Cortéés, T. Roca; Turck-Chièze, S.; Ulrich, R. K. 1997SoPh..175..227L, First Results on it P Modes from GOLF Experiment

Gabriel, A. H.; Charra, J.; Grec, G.; Robillot, J.-M.; Cortes, T. Roca; Turck-Chièze, S.; Ulrich, R.; Basu, S.; Baudin, F.; Bertello, L.; Boumier, P.; Charra, M.; Christensen-Dalsgaard, J.; Decaudin, M.; Dzitko, H.; Foglizzo, T.; Fossat, E.; García, R. A.; Herreros, J. M.; Lazrek, M.; Pallé, P. L.; Petrou, N.; Renaud, C.; Régulo, C. 1997SoPh..175..207G, Performance and Early Results from the GOLF Instrument Flown on the SOHO Mission

Pallé, P. L.; Régulo, C.; Roca Cortés, T.; García, R. A.; Jiménez, A.; Boumier, P.; Gabriel, A.; Grec, G.; Robillot, J. M.; Turck-Chièze, S.; Ulrich, R. K.; SOI Team 1999A&A...341..625P, On the nature of the current GOLF p-mode signal

Renaud, C.; Grec, G.; Boumier, P.; Gabriel, A. H.; Robillot, J. M.; Cortés, T. Roca; Turck-Chièze, S.; Ulrich, R. K. 1999A&A...345.1019R, Solar oscillations: time analysis of the GOLF p-mode signal

Henney, C. J.; Ulrich, R. K.; Bertello, L.; Bogart, R. S.; Bush, R. I.; Scherrer, P. H.; Cortés, T. Roca; Turck-Chièze, S. 1999A&A...348..627H, Power spectra comparison between GOLF and spatially masked MDI velocity signals

Thiery, S.; Boumier, P.; Gabriel, A. H.; Bertello, L.; Lazrek, M.; García, R. A.; Grec, G.; Robillot, J. M.; Roca Cortés, T.; Turck-Chièze, S.; Ulrich, R. K. 2000A&A...355..743T, Analysis of asymmetric p-mode profiles in GOLF data

Bertello, L.; Henney, C. J.; Ulrich, R. K.; Varadi, F.; Kosovichev, A. G.; Scherrer, P. H.; Cortés, T. Roca; Thiery, S.; Boumier, P.; Gabriel, A. H.; Turck-Chièze, S. 2000ApJ...535.1066B, Comparison of Frequencies and Rotational Splittings of Solar Acoustic Modes of Low Angular Degree from Simultaneous MDI and GOLF Observations

Bertello, L.; Varadi, F.; Ulrich, R. K.; Henney, C. J.; Kosovichev, A. G.; García, R. A.; Turck-Chièze, S. 2000ApJ...537L.143B, Identification of Solar Acoustic Modes of Low Angular Degree and Low Radial Order

Ulrich, R. K.; Boumier, P.; Robillot, J.-M.; García, R. A.; Roca Cortés, T.; Henney, C. J. 2000A&A...364..816U, Simulation of resonance scattering helioseismometer signals from spatially resolved images: Application to the GOLF instrument on SOHO

Ulrich, R. K.; García, R. A.; Robillot, J.-M.; Turck-Chièze, S.; Bertello, L.; Charra, J.; Dzitko, H.; Gabriel, A. H.; Roca Cortés, T. 2000A&A...364..799U, Sensitivity of the GOLF signal to combined solar velocity and intensity variations

GarcÍa, R. A.; Régulo, C.; Turck-Chièze, S.; Bertello, L.; Kosovichev, A. G.; Brun, A. S.; Couvidat, S.; Henney, C. J.; Lazrek, M.; Ulrich, R. K.; Varadi, F. 2001SoPh..200..361G, Low-Degree Low-Order Solar p Modes As Seen By GOLF On board SOHO

Oscillations in the Magnetic Field

Ulrich, Roger K. 1996ApJ...465..436U, Observations of Magnetohydrodynamic Oscillations in the Solar Atmosphere with Properties of Alfven Waves

Norton, A. A.; Ulrich, R. K.; Bush, R. I.; Tarbell, T. D. 1999ApJ...518L.123N, Characteristics of Magnetohydrodynamic Oscillations Observed with the Michelson Doppler Imager

Norton, A. A.; Ulrich, R. K 2000SoPh..192..403N, Measuring Magnetic Oscillations in the Solar Photosphere: Coordinated Observations with MDI, ASP and MWO

Norton, A. A.; Ulrich, R. K.; Liu, Y. 2001ApJ...561..435N, Center-to-Limb Angle Dependence of Phases (v, δ|B|) Observed with the Michelson Doppler Imager