Frank Hill

Q: What Schools Are Affiliated With Frank Hill

Frank Hill is affiliated with the following schools: University of Colorado Boulder, University of California, Berkeley, City College of New York, Stanford University

Frank Hill 's AcademicInfluence.com Rankings

Frank Hill

Physics

#8262

World Rank

#10434

Historical Rank

#1910

USA Rank

Astrophysics

#746

World Rank

#799

Historical Rank

#176

USA Rank

Astronomy

#1123

World Rank

#1842

Historical Rank

#423

USA Rank

physics Degrees

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Physics

Frank Hill 's Degrees

PhD Astrophysics University of California, Berkeley
Masters Physics Stanford University
Bachelors Physics Stanford University

Why Is Frank Hill Influential?

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According to Wikipedia, Frank Hill is an American astrophysicist who works at the National Solar Observatory. He was formerly its associate director, and currently serves as the Global Oscillations Network Group program manager.

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Frank Hill 's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The Current State of Solar Modeling (1996) (889)
Astronomical Data Analysis Software and Systems XVI (2007) (816)
The Global Oscillation Network Group (GONG) Project (1996) (407)
Differential Rotation and Dynamics of the Solar Interior (1996) (304)
Evolving Submerged Meridional Circulation Cells within the Upper Convection Zone Revealed by Ring-Diagram Analysis (2002) (303)
Rings and trumpets: three-dimensional power spectra of solar oscillations (1988) (231)
The Seismic Structure of the Sun (1996) (180)
Deeply Penetrating Banded Zonal Flows in the Solar Convection Zone (2000) (171)
The Solar Acoustic Spectrum and Eigenmode Parameters (1996) (118)
GONG Observations of Solar Surface Flows (1996) (100)
Solar Cycle Changes in GONG p-Mode Frequencies, 1995-1998 (1999) (90)
A Comparison of Solar p-Mode Parameters from the Michelson Doppler Imager and the Global Oscillation Network Group: Splitting Coefficients and Rotation Inversions (2002) (85)
THE HIGH-LATITUDE BRANCH OF THE SOLAR TORSIONAL OSCILLATION IN THE RISING PHASE OF CYCLE 24 (2013) (76)
Solar Subsurface Fluid Dynamics Descriptors Derived from Global Oscillation Network Group and Michelson Doppler Imager Data (2004) (75)
Solar-stellar dynamos as revealed by Helio-and asteroseismology : GONG 2008/SOHO 21 : proceedings of a conference held at the High Altitude Observatory, Boulder, Colorado, USA 11-15 August 2008 (2009) (73)
Localizing the Solar Cycle Frequency Shifts in Global p-Modes (2002) (72)
A NOTE ON THE TORSIONAL OSCILLATION AT SOLAR MINIMUM (2009) (71)
Meridional Circulation Variability from Large-Aperture Ring-Diagram Analysis of Global Oscillation Network Group and Michelson Doppler Imager Data (2006) (70)
Subsurface Meridional Circulation in the Active Belts (2008) (66)
Solar Convection-Zone Dynamics, 1995-2004 (2005) (66)
Do Changes in the Photospheric Magnetic Network Cause the 11 Year Variation of Total Solar Irradiance (1991) (65)
Solar-Cycle Changes in Gong p-Mode Widths and Amplitudes 1995-1998 (2000) (61)
Solar shear flows deduced from helioseismic dense-pack samplings of ring diagrams (2000) (61)
MERIDIONAL CIRCULATION DURING THE EXTENDED SOLAR MINIMUM: ANOTHER COMPONENT OF THE TORSIONAL OSCILLATION? (2010) (60)
Divergence and Vorticity of Solar Subsurface Flows Derived from Ring-Diagram Analysis of MDI and GONG Data (2006) (57)
The torsional oscillation and the new solar cycle (2011) (52)
Width and Energy of Solar p-Modes Observed by Global Oscillation Network Group (2000) (50)
Solar-cycle variation of the sound-speed asphericity from GONG and MDI data 1995–2000 (2001) (50)
THE QUASI-BIENNIAL PERIODICITY AS A WINDOW ON THE SOLAR MAGNETIC DYNAMO CONFIGURATION (2012) (48)
Calibration of Seismic Signatures of Active Regions on the Far Side of the Sun (2007) (46)
The Global Oscillation Network Group (GONG) (1997) (46)
Steady flows in the solar transition region observed with SMM (1981) (44)
Temporal variations in solar rotation at the bottom of the convection zone: The current status (2007) (43)
EVIDENCE THAT TEMPORAL CHANGES IN SOLAR SUBSURFACE HELICITY PRECEDE ACTIVE REGION FLARING (2010) (43)
Large-Scale Zonal Flows Near the Solar Surface (2006) (43)
Temporal Variation of Angular Momentum in the Solar Convection Zone (2003) (42)
The global oscillation network group site survey (1994) (41)
Ring Analysis of Solar Subsurface Flows and Their Relation to Surface Magnetic Activity (2005) (40)
SOLAR ACTIVITY PHASES AND INTERMEDIATE-DEGREE MODE FREQUENCIES (2009) (39)
Design and development of the Advanced Technology Solar Telescope (ATST) (2003) (39)
Velocity Fields within the Solar Convection Zone: Evidence from Oscillation Ring Diagram Analysis of Mount Wilson Dopplergrams (1995) (38)
Activity-related Changes in Local Solar Acoustic Mode Parameters from Michelson Doppler Imager and Global Oscillations Network Group (2004) (36)
Emerging and Decaying Magnetic Flux and Subsurface Flows (2009) (36)
Localizing Width and Energy of Solar Global p-Modes (2002) (36)
Solar-Cycle Variation of Subsurface Meridional Flow Derived with Ring-Diagram Analysis (2015) (36)
Subsurface Meridional Flow from HMI Using the Ring-Diagram Pipeline (2013) (35)
The circumstellar envelope of IRC +10216 (1977) (34)
Subsurface Velocity of Emerging and Decaying Active Regions (2011) (33)
Solar-Cycle Variation of Subsurface Zonal Flow (2014) (33)
Solar Convection Zone Dynamics: How Sensitive Are Inversions to Subtle Dynamo Features? (2006) (33)
Flares, Magnetic Fields, and Subsurface Vorticity: A Survey of GONG and MDI Data (2006) (32)
Subsurface Zonal and Meridional Flow Derived from GONG and SDO/HMI: A Comparison of Systematics (2015) (32)
UNUSUAL TRENDS IN SOLAR P-MODE FREQUENCIES DURING THE CURRENT EXTENDED MINIMUM (2010) (29)
Solar Site Survey for the Advanced Technology Solar Telescope. I. Analysis of the Seeing Data (2005) (29)
Emerging Active Regions Studied with Ring-Diagram Analysis (2008) (29)
Site testing for the Advanced Technology Solar Telescope (2006) (28)
HOW PECULIAR WAS THE RECENT EXTENDED MINIMUM: A HINT TOWARD DOUBLE MINIMA (2011) (28)
A Comparison of Solar p-Mode Parameters from MDI and GONG: Mode Frequencies and Structure Inversions (2003) (27)
On the expected performance of a solar oscillation network (1985) (26)
Subsurface Zonal and Meridional Flow During Cycles 23 and 24 (2018) (26)
Subsurface Vorticity of Flaring versus Flare-Quiet Active Regions (2011) (26)
Multitaper Spectral Analysis and Wavelet Denoising Applied to Helioseismic Data (1999) (25)
The global oscillation network group site survey (1994) (25)
Measurement of high-degree solar oscillation frequencies (1995) (25)
The Virtual Solar Observatory—A Resource for International Heliophysics Research (2009) (25)
Signatures of Solar Cycle 25 in Subsurface Zonal Flows (2018) (24)
Ring-diagram analysis with GONG++ (2002) (24)
Full-disk Solar H-alpha Images From GONG (2011) (22)
Empirical Mode Decomposition and Hilbert Analysis Applied to Rotation Residuals of the Solar Convection Zone (2001) (21)
Variations in solar sub-surface rotation from GONG data 1995–1998 (2000) (21)
Advanced Technology Solar Telescope: a progress report (2006) (20)
Advanced Technology Solar Telescope: conceptual design and status (2004) (20)
Helioseismology with Solar Orbiter (2014) (20)
Kinetic Helicity Density in Solar Subsurface Layers and Flare Activity of Active Regions (2005) (20)
Simultaneous Velocity-Intensity Spectral and Cross-Spectral Fitting of Helioseismic Data (2004) (19)
A Comparison of Low-Degree Solar p-Mode Parameters from BiSON and GONG: Underlying Values and Temporal Variations (2003) (19)
MEASUREMENT OF LOW SIGNAL-TO-NOISE RATIO SOLAR p-MODES IN SPATIALLY RESOLVED HELIOSEISMIC DATA (2009) (18)
Solar site testing for the Advanced Technology Solar Telescope (2004) (18)
A NEW WAY TO INFER VARIATIONS OF THE SEISMIC SOLAR RADIUS (2009) (18)
Solar Oscillation Frequency Changes on Time Scales of Nine Days (2006) (18)
VARIATIONS IN HIGH DEGREE ACOUSTIC MODE FREQUENCIES OF THE SUN DURING SOLAR CYCLES 23 AND 24 (2015) (18)
UTILIZATION OF MULTIPLE MEASUREMENTS FOR GLOBAL THREE-DIMENSIONAL MAGNETOHYDRODYNAMIC SIMULATIONS (2011) (17)
The Global Oscillation Network Group Facility—An Example of Research to Operations in Space Weather (2018) (17)
Technical challenges of the Advanced Technology Solar Telescope (2003) (17)
Advanced Technology Solar Telescope: a progress report (2004) (17)
Solar-Cycle Variation of Subsurface-Flow Divergence: A Proxy of Magnetic Activity? (2017) (16)
Solar oscillation ring diagrams and large-scale flows (1989) (16)
Subsurface Zonal Flows (2009) (15)
Solar-cycle variation of zonal and meridional flow (2011) (15)
First Global Rotation Inversions of HMI Data (2011) (14)
Daily Variations and Average Structure of Solar Shear Flows Deduced from Helioseismic Dense-Pack Samplings of Ring Diagrams (1999) (14)
The Virtual Solar Observatory: status and initial operational experience (2004) (13)
Subsurface Flows in and Around Active Regions with Rotating and Non-rotating Sunspots (2012) (13)
Rotation-rate variations at the tachocline: An update (2011) (13)
Vorticity of Subsurface Flows of Emerging and Decaying Active Regions (2012) (13)
Heliophysics: The Solar and Space Physics of a New Era. Recommended Roadmap for Science and Technology 2009-2030 (2009) (12)
Solar flares and solar subphotospheric vorticity (2009) (12)
Variability in the power spectrum of solar five-minute oscillations (1983) (12)
Helioseismic sensing of the solar cycle (2006) (12)
Lifetimes of High-Degree p Modes in the Quiet and Active Sun (2009) (11)
FIVE YEARS OF SYNTHESIS OF SOLAR SPECTRAL IRRADIANCE FROM SDID/SISA AND SDO/AIA IMAGES (2016) (11)
Extinction and Sky Brightness at Two Solar Observatories (2004) (11)
Solar-Cycle Variation of the Subsurface Flows of Active- and Quiet-Region Subsets (2020) (11)
A map of the horizontal flows in the solar convection zone (1990) (11)
Meridional-Flow Measurements from Global Oscillation Network Group Data (2014) (11)
Transient oscillations near the solar tachocline (2003) (11)
Acoustic Radius Measurements from MDI and GONG (2008) (11)
The Equatorial Rotation Rate in the Solar Convection Zone (1987) (10)
A NEW CHALLENGE TO SOLAR DYNAMO MODELS FROM HELIOSEISMIC OBSERVATIONS: THE LATITUDINAL DEPENDENCE OF THE PROGRESSION OF THE SOLAR CYCLE (2016) (10)
Fifty years of seismology of the sun and stars : proceedings of a workshop held at The Westin La Paloma, Tucson, Arizona, USA, 6-10 May 2013 (2013) (10)
The Importance of Long-Term Synoptic Observations and Data Sets for Solar Physics and Helioseismology (2015) (10)
Workshop Report: A New Synoptic Solar Observing Network (2013) (9)
A simple irradiance monitor for testing solar global oscillation network sites (1986) (9)
Design of a next generation synoptic solar observing network: solar physics research integrated network group (SPRING) (2018) (8)
Variation of solar oscillation frequencies in solar cycle 23 and their relation to sunspot area and number (2012) (8)
Temporal window effects and their deconvolution from solar oscillation spectra (1993) (8)
Response of the Solar Five-Minute Oscillations to a Major Flare (1988) (8)
A Full-Sun Magnetic Index from Helioseismology Inferences (2014) (8)
The National Solar Observatory Digital Library — a resource for space weather studies (2000) (7)
Low-degree helioseismology with AIA (2011) (7)
On the success rate of the farside seismic imaging of active regions (2010) (7)
GONG p-Mode Parameters Through Two Solar Cycles (2018) (7)
The GONG++ data processing pipeline (2003) (7)
The virtual solar observatory (2006) (7)
Historical astronomical data: urgent need for preservation, digitization enabling scientific exploration (2019) (7)
Acoustic Mode Frequencies of the Sun During the Minimum Phase Between Solar Cycles 23 and 24 (2012) (6)
Continuous Solar Observations from the Ground—Assessing Duty Cycle from GONG Observations (2021) (6)
Variations in Solar Sub-Surface Rotation From Gong Data 1995–1998 (2000) (6)
On the expansion of the rotational eigenfrequencies in Legendre polynomials (1988) (6)
Comparison of GONG and MDI solar p-mode background (2004) (6)
Solar Equatorial Rotation Rate Inferred From Inversion of Frequency Splitting of High-Degree Modes (1988) (6)
DIVERGENT HORIZONTAL SUB-SURFACE FLOWS WITHIN ACTIVE REGION 11158 (2015) (6)
Far-side helioseismic maps: the next generation (2013) (5)
Ring-diagram parameter comparisons for GONG, MDI and HMI (2011) (5)
The Effect of Spectral Line Shape Changes on GONG Observations of Oscillations and Flares (2003) (5)
Estimated Mode Parameters from the Fitting of GONG Spectra (1998) (5)
Subsurface flows with advancing solar cycle using dense-pack ring-diagram analyses (2001) (5)
The far-side solar magnetic index (2011) (5)
Multi-Spectral Analysis of Acoustic Mode Characteristics in Active Regions (2008) (5)
GONG Magnetogram Zero-Point Correction Status (2003) (5)
Helioseismic ring analysis of CME source regions (2007) (5)
A Synoptic View of the Subphotospheric Horizontal Velocity Flows in the Sun (2000) (5)
Latest Results Found with Ring-Diagram Analysis (2013) (5)
Daily variations of large-scale subsurface flows and global synoptic flow maps from dense-pack ring-diagram analyses (2001) (4)
Plane-wave analysis of solar acoustic-gravity waves: A (slightly) new approach (1995) (4)
Roadmap for Reliable Ensemble Forecasting of the Sun-Earth System (2018) (4)
The National Solar Observatory Digital Library (1997) (4)
HORIZONTAL FLOWS IN ACTIVE REGIONS FROM RING-DIAGRAM AND LOCAL CORRELATION TRACKING METHODS (2015) (4)
Anomalous variations in low-degree helioseismic mode frequencies (2006) (4)
The torsional oscillation and the timing of the solar cycle: Is it maximum yet? (2013) (4)
Calculating the GONG Leakage Matrix (1998) (4)
Helioseismic Implications of Mode Conversion (2013) (4)
Comparison of HMI Dopplergrams with GONG and MDI data (2011) (4)
Large-scale Zonal Flows During the Solar Minimum -- Where Is Cycle 25? (2011) (4)
Variation of high-degree mode frequencies during the declining phase of solar cycle 23 (2011) (4)
Helioseismic analysis of active regions using HMI and AIA data (2012) (4)
Magnetic Polarity Streams and Subsurface Flows (2013) (4)
ngGONG: The Next Generation GONG - A New Solar Synoptic Observational Network (2019) (4)
Do Active Regions Modify Oscillation Frequencies (2009) (4)
No Evidence Supporting Flare-Driven High-Frequency Global Oscillations (2012) (4)
Correcting GONG+ magnetograms for instrumental nonuniformities (2002) (3)
EGSO in need for a global schema (2002) (3)
Solar Subsurface Weather and Possible Giant Cell Signatures (2002) (3)
Angular-degree dependence of p-mode frequencies during solar cycle 23 (2011) (3)
Comparison of SOHO-SOI/MDI and GONG Spectra (1998) (3)
Rotation in the Solar Convection Zone Inferred from Fabry-Perot Observations of the 5-Min Oscillations (1988) (3)
Estimation Of Seeing Quality Using Low-Resolution Solar Image Data (1999) (3)
Solar Flare Detection With SWIFT and Real-time GONG H-alpha Images (2011) (3)
Divergence and Vorticity of Subsurface Flows During Solar Cycles 23 and 24 (2021) (3)
Subsurface Flow Properties of Flaring Versus Flare-quiet Active Regions (2009) (3)
TEMPORAL EVOLUTION OF CHROMOSPHERIC OSCILLATIONS IN FLARING REGIONS: A PILOT STUDY (2016) (3)
Temporal Variations of High-Degree Solar p-Modes from GONG and MDI (2010) (3)
Development of multiple cells in meridional flows and evolution of mean zonal flows from ring-diagram analyses (2001) (3)
Influence of Spatial Filtering on Possible Anisotropies in Solar Oscillations (1986) (3)
Networks for Helioseismic Observations (1990) (3)
Simulation of effects of atmospheric seeing on the observation of high-degree solar oscillations (1991) (3)
A New Ground-Based Network for Synoptic Solar Observations: The Solar Physics Research Integrated Network Group (SPRING) (2014) (3)
The Virtual Solar Observatory Concept (2000) (3)
Environmental factors affecting solar seeing (2003) (3)
Advanced Technology Solar Telescope: a progress report (2005) (3)
The Future of Helioseismology (2009) (3)
Kinetic helicity of subsurface flows and magnetic flux (2008) (3)
Science Objectives and Technical Challenges of the Advanced Technology Solar Telescope (Invited review) (2003) (3)
How Sensitive are Rotation Inversions to Subtle Features of the Dynamo (2004) (3)
Solar cycle changes in convection zone dynamics from MDI and GONG 1995 - 2000 (2001) (2)
Amplitudes of High-Degree p-Modes in the Quiet and Active Sun (2009) (2)
Testing the GONG ring-diagram pipeline with HMI Dopplergrams (2011) (2)
A Compact Full-disk Solar Magnetograph Based on Miniaturization of the GONG Instrument (2022) (2)
Probing Subsurface Flows in NOAA Active Region 12192: Comparison with NOAA 10486 (2017) (2)
Local Frequency Shifts from GONG and MDI (2004) (2)
Studying asphericity in the solar sound speed from MDI and GONG data (2000) (2)
A search for coherent structures in subsurface flows (2011) (2)
The Sun's Seismic Radius as Measured from the Fundamental Modes of Oscillations and Its Implications for the TSI Variations (2018) (2)
Searching for Subsurface Signatures of X-Class Flares (2004) (2)
Implementation of the Virtual Solar Observatory (2004) (2)
What Solar Oscillation Tell us About the Solar Minimum (2010) (2)
Where to go from here: The Future of Helio- and Astero-seismology (2013) (2)
Calibration of the Far Side Seismic-Holography Signature of Active Regions (2008) (2)
Steady Flows in the Solar Transition Region Observed with the UVSP Experiment on SMM (1980) (2)
The Virtual Solar Observatory: Still a Small Box (2005) (2)
Meridional Flow Observations: Implications for the current Flux Transport Models (2011) (2)
Preliminary results from plane-wave analysis of helioseismic data (1995) (2)
A study of acoustic halos in active region NOAA 11330 using multi-height SDO observations (2017) (2)
The Advanced Technology Solar Telescope -- Science Goals and Instrument Description. (2001) (2)
A comparison of acoustic mode parameters using multi-spectral data (2006) (2)
Solar oscillations in cycle 24 ascending (2013) (2)
Waves in the Sun's Core (2007) (2)
Astro2020 Science White Paper: Synoptic Studies of the Sun as a Key to Understanding Stellar Astrospheres (2019) (2)
Changes to global mode parameters over a solar cycle (2006) (2)
Subsurface flows associated with rotating sunspots (2010) (2)
The Effects of a Nearly 100% Duty Cycle in Observations of Solar Oscillations (1984) (2)
GONG site evaluation program at Udaipur Solar Observatory (1991) (2)
Does the inference of solar subsurface flow change with choice of the spectral line (2006) (2)
Mexican Virtual Solar Observatory (2007) (2)
The Advanced Solar Telescope (2000) (2)
Temporal Variations of High-Degree Solar p-Modes using Ring-Diagram Analysis (2013) (2)
22 Year Solar Magnetic Cycle and its relation to Convection Zone Dynamics (2018) (1)
Real Research In The Classroom - Solar Active Longitudes (2000) (1)
Simultaneous Velocity-Intensity Spectral and Cross-Spectral Fitting for Helioseismology (2002) (1)
The GONG data reduction and analysis system. (1988) (1)
Tests of a simple data merging algorithm for the GONG project (1992) (1)
CAUSES OF SOLAR ACTIVITY (2010) (1)
GONG Synoptic Magnetogram Program: Near-real-time Coronal Magnetic Field Model (2008) (1)
A Global Solar Wind Model Based on Surface Measurements of Magnetic Field and Transverse Velocity from GONG (2011) (1)
The seismic structure of the Sun from GONG (1997) (1)
Multi-wavelength analysis of active regions using ring-diagram technique (2013) (1)
First Steps Towards a VSO (2003) (1)
Enhanced facilities for local helioseismology with GONG+ images (2002) (1)
Convection-Zone Dynamics from GONG and MDI 1995-2004 (2004) (1)
Study of Acoustic Halos in NOAA Active Region 12683 (2020) (1)
The Procyon Campaign: Observations from Kitt Peak (1998) (1)
Helioseismology and the solar cycle: Past, present and future (2008) (1)
Effects of surface magnetic activity on meridional circulation measurements (2008) (1)
Lecture Notes in Physics Challenges to Theories of the Structure of Moderate-Mass Stars: Effects of spatial filtering on high-l power spectra and rotational splitting inversions (1991) (1)
Kinematics and dynamics of small-scale vorticity and strain-rate structures in the transition from isotropic to shear turbulence (2016) (1)
Local effects of a major flare on solar five-minute oscillations (1988) (1)
Solar Subsurface Flows and Vorticity (2004) (1)
GONG Spectra in three observables: What is a p-mode frequency? (1998) (1)
Solar oscillation ring diagrams: Benefits of great circle remapping (1995) (1)
Are We Entering a Period of Reduced Activity or a Grand Minima State (2013) (1)
Solar-Cycle Variation of Subsurface Meridional Flow Derived with Ring-Diagram Analysis (2015) (1)
The Virtual Solar Observatory: The Best-Laid Schema (2003) (1)
The Solar Equatorial Internal Rotation Rate Estimated from Combined South Pole and NSO/Sac Peak Helioseismic Data Sets (1991) (1)
Using Velocity and Intensity helioseismic data for improving our knowledge of the Solar interior. (2002) (1)
Building a Virtual Solar Observatory: Lessons Learned (2005) (1)
Virtual Solar Inc. (2004) (1)
Design Considerations for Data Catalogs (2007) (1)
Multitaper Analysis Applied to a 3-month Time Series (1998) (1)
STEREO in the Virtual Solar Observatory Context (2004) (1)
Spatially-resolved Analysis of the the Upper Covnection Zone (2001) (1)
Assessing Ring-Diagram Fitting Methods (2013) (1)
Attempt to measure the solar subsurface velocity (1984) (1)
Predictions of Active Region Flaring Probability using Subsurface Helicity Measurements (2010) (1)
Astronomical data analysis software and systems XVI : proceedings of a meeting held at the Westin La Paloma resort & spa, Tucson, Arizona, USA, 15-18 October 2006 (2007) (1)
Plans for MT.WILSON - Crimean Observatory High-Degree Helioseismology Network (1993) (1)
Solar oscillation parameters: simultaneous velocity-intensity spectral & cross-spectral fitting (2003) (1)
Meridional Circulation Measurements from 15 Years of GONG (2011) (1)
An Automated Image Rejection System for GONG (2004) (1)
Solar Dynamo and Magnetic Self-Organization (2009) (1)
Asteroseismology from Equivalent Widths: A Test of the Sun (1998) (1)
Estimates of helioseismic oscillation excitation parameters from multi-spectral fitting. (2003) (1)
Joint Discussion 17 Highlights of recent progress in the seismology of the Sun and Sun-like stars (2006) (1)
COMPARISON OF HIGH-DEGREE SOLAR ACOUSTIC FREQUENCIES AND ASYMMETRY BETWEEN VELOCITY AND INTENSITY DATA (2008) (1)
Subphotospheric Convective Flows Determined by Ring-Diagram Analyses of SOI-MDI Observations (1998) (1)
Ground-based helioseismology networks☆ (1991) (1)
Helioseismic detection of temporal variations of solar rotation rate near the base of the convection zone (1999) (1)
GONG Project Update (1993) (1)
Solar Five-Minute Oscillations as Probes of Velocity and Temperature Fields (1981) (1)
Local area analysis of high-degree solar oscillations: New ring fitting procedures (1995) (1)
Temporal variation of angular momentum in the convection zone (2003) (0)
The Sun's Acoustic Spectrum and Normal Mode Parameters (1996) (0)
Recent Advances From The GONG Time-distance Helioseismology Team (2007) (0)
Comparing mode frequencies from MDI and GONG (2001) (0)
How Sensitive are Helioseismic Mode Parameters and Subsurface Fl How Sensitive are Helioseismic Mode Parameters and Subsurface Fl ows ows to Choice of the Spectral line? to Choice of the Spectral line? (2003) (0)
New Results from GONG `classic' data (2002) (0)
Variation of Oscillation Mode Parameters over the Solar Cycle 23: An Analysis on Different Time Scales (2009) (0)
Daily Normalized Kinetic Helicity of Subsurface Flows (2014) (0)
Oscillatory Power Distribution in Full-disk Magnetograms (2009) (0)
Power spectrum modelisation of helioseismic data: an application to the measurement of solar p-mode uncertainties (1998) (0)
No Evidence Supporting Flare-Driven High-Frequency Global Oscillations (2012) (0)
Solar subsurface flows of active regions: flux emergence and flare activity (2010) (0)
Moving Beyond Time: New VSO Searches (2008) (0)
The effect of large-scale flows on oscillation ring diagrams (1990) (0)
Helioseismic Studies With Multi-wavelength Data From HMI And AIA Onboard SDO (2011) (0)
Subsurface Zonal and Meridional Flow During Cycles 23 and 24 (2018) (0)
Temporal evolution of the solar torsional oscillation and implications for cycle 25 (2015) (0)
Excitation , Propagation and Conversion of Helioseismic MHD Waves in Strong Field Regions (2011) (0)
Photospheric and sub-photospheric Flows in Active Regions (2014) (0)
Towards near real time high-resolution Dopplergrams from GONG (2011) (0)
Stellar Physics of the Solar Interior in the Coming Decade (2009) (0)
The Torsional Oscillation and the Solar Cycle: Is it Minimum Yet? (2009) (0)
Long-Term Datasets for the Understanding of Solar and Stellar Magnetic Cycles (2018) (0)
The Virtual Solar Observatory: Progress and Diversions (2017) (0)
Effects of Spherical Harmonic Filtering on Analysis of Five-Minute Solar Oscillations of High-Degree (1984) (0)
Views of the Solar Torsional Oscillation (2008) (0)
Meridional Circulation Variability from Large-Aperture Ring Diagrams (2004) (0)
Latest Results from the ATST Site Survey (2004) (0)
Multi-Wavelength Helioseismology: Power and Phase Maps in an Active Region (2012) (0)
Acoustic Oscillations During the Extended Solar Minimum (2010) (0)
The global solar magnetic field according to GONG during WHI (2008) (0)
Acoustic Mode Frequencies of the Sun During the Minimum Phase Between Solar Cycles 23 and 24 (2012) (0)
Meridional Variability from Large-Aperture Ring Diagrams (2004) (0)
Multi-spectral study of acoustic mode parameters and sub-surface flows (2013) (0)
Using the Collaborative Sun-Earth Connector for integrating data systems (2005) (0)
Selecting the site for the advanced technology solar telescope (2006) (0)
Causes of solar activity: a science white paper for the Astro 2010 Decadal Survey submitted for consideration by the Stars and Stellar Evolution Panel (2010) (0)
A tale of two regions: Acoustic power maps and magnetic activity in AR 10486 and AR 10488 (2004) (0)
The Importance of Long-Term Synoptic Observations and Data Sets for Solar Physics and Helioseismology (2015) (0)
The effect of magnetic flux distribution on individual-m frequencies (2001) (0)
Latitudinal distribution of travel times in the upper solar convection zone (2008) (0)
Fitting of Intensity-Velocity Cross Spectrum using GONG and HMI Oscillation Data (2014) (0)
Helioseismic Network Provides Valuable Data (2010) (0)
Magnetoseismology of Active Regions using Multi-wavelength Observations from GONG and SDO (2016) (0)
Latest Results on the Torsional Oscillation and Solar Cycle 25 (2012) (0)
Helioseismology with Solar Orbiter (2014) (0)
Detection of Chromospheric Oscillations in High-L Data (1995) (0)
Does the Selection of a Quiet Region Influence the Local Helioseismic Inferences (2009) (0)
HINODE/SOT Spectropolarimetry and Vector Magnetic Field Comparisons with a Selection of International Instruments (2009) (0)
Exploring Time Series Analysis Techniques (2010) (0)
Cross-Spectral Fitting of HMI Velocity and Intensity Data (2016) (0)
A Full-Sun Magnetic Index from Helioseismology Inferences (2013) (0)
EGSO - A maturing VO for Solar Physics (2005) (0)
Enabling Distributed Search and Access to SDO Data with the Virtual Solar Observatory (2010) (0)
Comparison of solar p-mode lifetimes from GONG, MDI and TON data (2006) (0)
Building a Virtual Solar Observatory: I Look Around and There's a Petabyte Following Me (2002) (0)
Solar Five-Minute Oscillations as Probes of Structure in the Subphotosphere (1982) (0)
Solar-Cycle Variation of the Subsurface Flows of Active- and Quiet-Region Subsets (2020) (0)
Activity related variation of width and energy of global p-modes (2003) (0)
The SOLIS Data Handling and Archive System (1999) (0)
Solar cycle and quasi-biennial variations in helioseismic frequencies (2012) (0)
Rotation Of The Deep Solar Interior From A Solar Cycle Of Gong Data (2007) (0)
Comparison of local frequency shifts between MDI velocity and intensity data (2006) (0)
Multi-wavelength Observations of Flare-Induced Acoustic Waves Around Active Regions with SDO AIA (2018) (0)
Helioseismic Mode Parameters from 20 Years of Global Oscillation Network Group (GONG) Observations (2015) (0)
The Virtual Solar Observatory - Status and Plans (2001) (0)
Background Amplitudes of Solar P-Modes Observed by GONG (2010) (0)
Comparison of Ring Diagram Fitting Techniques (2011) (0)
Solar Flares, Magnetic Fields, and Subsurface Vorticity. A survey of GONG data (2005) (0)
Subsurface kinetic helicity of flows near active regions (2011) (0)
The Phase of the Torsional Oscillation Pattern (2004) (0)
Externally Induced or Internally Produced: What is the Source of the Extreme Magnetic Activity Observed in Very Low Mass Stars? (2008) (0)
Temporal Variation of Subsurface Flows in Active Regions (2012) (0)
Helioseismology and the Solar Cycle (1998) (0)
Using SONG to probe rapid variability and evolution of starspots (2010) (0)
Kinetic Helicity in Solar Subsurface Layers and Flare Activity of Active Regions (2005) (0)
The Virtual Solar Observatory and the Heliophysics Meta-Virtual Observatory (2006) (0)
Magnetoseismology of Active Regions using Multi-wavelength Observations from SDO (2016) (0)
Comparing Solar Activity Minima Using Acoustic Oscillation Frequencies (2020) (0)
Solar Origins of Space Weather: Confronting Models with Observations (2002) (0)
Anelastic Modal Theory Applied to the Solar Convection Zone (1980) (0)
Artificial Data for Testing Helioseismology Algorithms (1993) (0)
The GONG Data Reduction and Analysis System. [solar oscillations (1988) (0)
Low-Frequency Solar p Modes in GONG and MDI Observations using m-Averaged Spectra (2008) (0)
Subsurface Zonal Flows of Active and Quiet Regions (2009) (0)
Data Integration in the Virtual Solar Observatory (2003) (0)
Subsurface helicity of active regions 12192 and 10486 (2015) (0)
Solar-Cycle Variation of Subsurface Zonal Flow (2014) (0)
Relation of Ephemeral Magnetic Regions to the Low Amplitude Branch of Persistent Vertical Velocities (1982) (0)
Using helioseismology to understand and predict the solar cycle (2010) (0)
Solar Cycle Changes in Oscillation Parameters From the First 35 Months of GONG (1999) (0)
Recent advances in helioseismic predictors of space weather (2006) (0)
Helioseismology—sound inside the sun (2001) (0)
Tracking Active Region NOAA 12192 in Multiple Carrington Rotations (2015) (0)
A National Solar Digital Observatory (2000) (0)
Comparison of STEREO's Far-side Observations of Solar Activity and Predictions from the Global Oscillations Network Group (GONG) (2011) (0)
Ring Diagram Analysis of an Artificial 96 96 20 Mm Data Set (2009) (0)
Solar Tiling And Tracking Extraction Service Using The VSO API As The Backend (2012) (0)
DASL--Data and Activities for Solar Learning (2003) (0)
A Comparison of Global Intensity and Velocity Helioseismic Data From SOI/MDI and GONG (2001) (0)
Improvement of Solar Magnetic Field Data for Space Weather Applications (2011) (0)
Evolving Large-Scale Flows With Advancing Solar Cycle Using Helioseismic Dense-Pack Ring-Diagram Analyses (2001) (0)
Seismic Mapping of the Sun's Far Hemisphere for Applications in Space-Weather Forecasting (2016) (0)
A New Multi-Wavelength Synoptic Network for Solar Physics and Space Weather (2013) (0)
Evolution of Subsurface Zonal and Meridional Flows With Advancing Solar Cycle Using Helioseismic Dense-Pack Samplings of Ring Diagrams (1999) (0)
How Sensitive are Helioseismic Mode Parameters and Subsurface Flows to Choice of the Spectral Line (2006) (0)
Subphotospheric Flows Inferred from Three-Dimensional k y -k-ω Diagrams of High Degree Oscillations (1987) (0)
Local Response of the Five-Minute Oscillations to a Major Solar Flare (1986) (0)
On the p-mode asymmetry between velocity and intensity from the GONG+ data (2003) (0)
Science With the Virtual Solar Observatory: Today and Tomorrow (2007) (0)
Test of a Data Merging Algorithm Based on the Modulation Transfer Function (1995) (0)
The current and future roles of virtual observatories serving the heliophysical data environment (2006) (0)
Asteroseismology: The Next Frontier in Stellar Astrophysics (2009) (0)
Daily Normalized Helicity of Subsurface Flows (2013) (0)
Simulations of Waves in Sunspots (2011) (0)
Five-Minute Power Maps From GONG and MDI. (2005) (0)
Recent Progress in Detecting Meridional Flows Deep within the Sun (2009) (0)
Local helioseismology - what does it really tell us? (2003) (0)
The Right Amount of Glue: Technologies and Standards Relevant to a Future Solar-Terrestrial Data Environment (2002) (0)
Solar Activity in Cycle 24 - What do Acoustic Oscillations tell us? (2016) (0)
Temporal Variations of High-Degree Solar Acoustic Modes in the Quiet Sun (2009) (0)
Chromospheric Acoustic Oscillations in Active Flaring Regions (2014) (0)
Meridional-Flow Measurements from Global Oscillation Network Group Data (2013) (0)
L Advanced Technology Solar Telescope: A progress report (2016) (0)
Subsurface Flows in and Around Active Regions with Rotating and Non-rotating Sunspots (2012) (0)
COMPARING MODE FREQUENCIES FROM MDI AND GONGR (2007) (0)
CME Population Distributions: Science Facilitated by the VSO (2005) (0)
The Virtual Solar Observatory: What Are We Up To Now? (2012) (0)
A Comparison of Global Helioseismic-Instrument Performances: Solar-SONG, GOLF and VIRGO (2020) (0)
Subsurface Meridional Flow from HMI Using the Ring-Diagram Pipeline (2012) (0)
Dealing with Large Dataset Queries in the Virtual Solar Observatory (2007) (0)
Inhomogeneous Power Distribution in Magnetic Oscillations (2010) (0)
Solar physics with the Virtual Solar Observatory (2006) (0)
Solar Indices Forecasting Tool (2016) (0)
Solar Acoustic Oscillations Observations in SDO AIA and HMI around AR 12192 (2016) (0)
Space Weather with GONG+ Data (2008) (0)
Plane-wave analysis of SOI data (1997) (0)
Calculating the GONG and GONG+ leakage matrices -- latest improvements (2002) (0)
The LoHCo Project. 1 -- Comparison of Ring-Diagram Local Helioseismology on GONG++, MDI and Mt. Wilson Data Sets (2003) (0)
Width and energy of solar p-modes observed by GONG 1995 - 1999 (2000) (0)
Probing Subsurface Flows in Active Region NOAA 12192-Comparison with NOAA 10486 (2018) (0)
The role of f modes in the inversion of high-l rotational splittings (1991) (0)
Comparison of Farside Observations of Solar Activity from STEREO's Extreme UltraViolet Imager and the Global Oscillations Network Group (GONG) (2011) (0)
A Magnetohydrodynamic (MHD) Analyses of Energy and Magnetic flux Transport from Sub-photosphere to the Corona (2008) (0)
A Novel Analysis of Acoustic Oscillations in Chromospheric Active Regions (2015) (0)
Multi-wavelength Observations of Solar Acoustic Waves Near Active Regions (2018) (0)
Helioseismic Observations of Solar Convection Zone Dynamics (2010) (0)
Suppression Of Acoustic Power In Solar Active Regions: An Analysis At Different Heights (2007) (0)
Helioseismic Data Reduction (1998) (0)
Deep Meridional Flow Measurements from GONG: Temporal and Depth Variations (2011) (0)
Ring-Diagram Analysis of Active Regions using HMI and AIA data (2013) (0)
Variation of solar oscillation frequencies in solar cycle 23 and their relation to sunspot area and number (Corrigendum) (2013) (0)
Subsurface Zonal and Meridional Flow Derived from GONG and SDO/HMI: A Comparison of Systematics (2015) (0)
Virtual Solar Observatory Distributed Query Construction (2003) (0)
Correlation Analysis of Mode Frequencies with Activity Proxies at Different Phases of the Solar Cycle (2009) (0)
Time variations of internal structure deduced from helioseismology (2006) (0)
Statistical Analysis of the Success Rate of the Far-Side Seismic Mapping of Active Regions (2009) (0)
Simulation of the effect of active regions on intermediate-degree solar oscillations (1991) (0)
Response of Solar Oscillations to Magnetic Activity in Cycle 24 (2015) (0)
Frequency Shifts on Time Scales of Nine Days (2006) (0)
Data Integration Using SOAP in the VSO (2003) (0)
The B0-angle Effect in Local Helioseismology Inferences of Meridional Circulation (2011) (0)
Meridional-Flow Measurements from 15 Years of GONG Spherical-Harmonic Time Series (2010) (0)
Latest Results Found with Ring-Diagram Analysis (2012) (0)
Variation in Sun's Seismic Radius and its implication on the TSI variability (2018) (0)
Subsurface Flows in Active Region 11158 (2013) (0)
The HMI Ring-Diagram Pipelines: A Status Report (2011) (0)
Helioseismic Analysis Of Mode Parameters In The Source Regions Of CMEs (2007) (0)
A Study of the Magnetic-Darkening Velocity Using GONG Modulation Images (1995) (0)
Solar-Cycle Variation of Subsurface-Flow Divergence: A Proxy of Magnetic Activity? (2017) (0)
The GONG site survey. (1988) (0)
Solar Subsurface Flows During Solar Cycle 24 (2015) (0)
Seismic investigation of the solar structure using GONG frequencies (1997) (0)
Strawman Concept for A Virtual Solar Observatory (2002) (0)
Accessing SDO data in a pipeline environment using the VSO WSDL/SOAP interface (2010) (0)
Solar oscillation ring diagrams from Mt. Wilson full-disk magneto-optical Dopplergrams (1991) (0)
Acoustic Oscillation Properties of Active Region 12193 (2017) (0)
Solar-Cycle Changes in Convection-Zone Dynamics from SOI and GONG Data (2000) (0)
Effects of spatial filtering on high-ℓ power spectra and rotational splitting inversions (1991) (0)
Solar Subsurface Flows derived with Ring-Diagram Analysis (2010) (0)
The Virtual Solar Observatory -- the Why, What, How and Where (2003) (0)
2 Years of Meridional Circulation from GONG Ring Diagrams (2005) (0)
ASTRONOMY. Waves in the Sun's core. (2007) (0)
Solar Subsurface Flows of Active Region AR~0696 (2005) (0)
The Effects of Image Motion on the L-nu Diagram (1984) (0)
Solar Seeing Seven Ways From Sunday (2001) (0)
Active regions: Evolution and Effect on Time-Distance Measurements (2008) (0)
Rotation Rate of Sunspots and Subsurface Zonal Flows (2008) (0)
Local Helioseismic Mode Frequency Shifts With Magnetic Activity, From GONG and MDI (2005) (0)
Inhomogeneous Power Distribution in Magnetic Oscillations Inhomogeneous Power Distribution in Magnetic Oscillations (2008) (0)
Selection of Quiet Regions in Local Helioseismic Analysis (2008) (0)
The Virtual Solar Observatory -- An Operational Resource for Heliophysics Informatics (2008) (0)
Vorticity of Subsurface Flows of Emerging and Decaying Active Regions (2011) (0)
Medium-L Spherical Harmonic Rings (2004) (0)
Hilbert Spectral Analysis Applied to Rotation Residuals of the Solar Convection Zone (2001) (0)
Solar cycle variations of the Interior (2011) (0)
Far-side Helioseismic Holography: Calibrating The Signature Of Active Regions. (2007) (0)
The Virtual Solar Observatiory: Where Do We Go From Here? (2016) (0)
MDI and GONG Inferences of the Changing Sun (2006) (0)
Solar flares and temporal changes in subsurface vorticity measurements (2011) (0)
Preliminary Ring-Diagram Analysis of Doppler Velocity Fields Observed with MDI on SOHO (1996) (0)
The Effects of Magnetically-Induced Spectral Line Profile Changes on Helioseismic and Flare Observations (2005) (0)
Analysis of Active Region 11339 using Multi-Spectral Data (2013) (0)
Un-interrupted Sun-as-a-star Helioseismic Observations over Multiple Solar Cycles (2018) (0)
Brief History of Using GONG for Space Weather Forecasting (2015) (0)
Sensitivity of inferred subphotospheric velocity field to mode selection, analysis technique and noise. (1984) (0)
The Advanced Technology Solar Telescope (ATST) Site Survey (2002) (0)
Solar dynamics at high latitudes and deep in the convection zone (2011) (0)
Doing Science with the VSO: Signatures of CME Initiation (2004) (0)
The GONG Site Survey. [solar oscillations (1988) (0)
On the Determination of the Lifetime of Vertical Velocity Patterns in Mesogranulation and Supergranulation (1984) (0)
Variations in Rotation Rate Within the Solar Convection Zone From GONG and MDI 1995-2000 (2001) (0)
Investigation of Acoustic Halos using Multi-Height SDO Observations (2018) (0)
Solar Cycle Changes Over 11 Years of Medium-Degree Helioseismic Observations (2007) (0)
The VSO at Two and a Half (2006) (0)
Validating the Ring-diagram Flows through Numerical Simulations (2013) (0)
Resolution and Error Trade-Offs in Velocity Fields Inferred from Ring Diagrams (1995) (0)
Subsurface Transverse Flows Near an Active Region (1993) (0)

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