K. D. Leka

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All published works
Action Title Year Authors
+ PDF Chat Data-driven MHD Simulation of the Formation of a Magnetic Flux Rope and an Inclined Solar Eruption 2024 Yeongmin Kang
Takafumi Kaneko
K. D. Leka
K. Kusano
+ PDF Chat Large-scale Spatial Cross-calibration of Hinode/SOT-SP and SDO/HMI 2023 David F. Fouhey
Richard E. L. Higgins
S. K. Antiochos
G. Barnes
Marc L. DeRosa
J. T. Hoeksema
K. D. Leka
Yang Liu
P. W. Schuck
T. I. Gombosi
+ PDF Chat Properties of Flare-imminent versus Flare-quiet Active Regions from the Chromosphere through the Corona. II. Nonparametric Discriminant Analysis Results from the NWRA Classification Infrastructure (NCI) 2023 K. D. Leka
Karin Dissauer
G. Barnes
Eric L. Wagner
+ Properties of Flare-imminent versus Flare-quiet Active Regions from the Chromosphere through the Corona. I. Introduction of the AIA Active Region Patches (AARPs) 2023 Karin Dissauer
K. D. Leka
Eric L. Wagner
+ PDF Chat On Identifying and Mitigating Bias in Inferred Measurements for Solar Vector Magnetic-Field Data 2022 K. D. Leka
Eric L. Wagner
Ana Belén Griñón-Marín
V. Bommier
Richard E. L. Higgins
+ PDF Chat SynthIA: A Synthetic Inversion Approximation for the Stokes Vector Fusing SDO and Hinode into a Virtual Observatory 2022 Richard E. L. Higgins
David F. Fouhey
S. K. Antiochos
G. Barnes
Mark C. M. Cheung
J. T. Hoeksema
K. D. Leka
Yang Liu
P. W. Schuck
T. I. Gombosi
+ Properties of Flare-Imminent versus Flare-Quiet Active Regions from the Chromosphere through the Corona II: NonParametric Discriminant Analysis Results from the NWRA Classification Infrastructure (NCI) 2022 K. D. Leka
Karin Dissauer
Gareth R. Barnes
Eric L. Wagner
+ Properties of Flare-Imminent versus Flare-Quiet Active Regions from the Chromosphere through the Corona I: Introduction of the AIA Active Region Patches (AARPs) 2022 Karin Dissauer
K. D. Leka
Eric L. Wagner
+ PDF Chat Magnetic Helicity Flux across Solar Active Region Photospheres. II. Association of Hemispheric Sign Preference with Flaring Activity during Solar Cycle 24 2021 Sung‐Hong Park
K. D. Leka
K. Kusano
+ PDF Chat Fast and Accurate Emulation of the SDO/HMI Stokes Inversion with Uncertainty Quantification 2021 Richard E. L. Higgins
David F. Fouhey
Dichang Zhang
S. K. Antiochos
G. Barnes
J. T. Hoeksema
K. D. Leka
Yang Liu
P. W. Schuck
T. I. Gombosi
+ PDF Chat On a limitation of Zeeman polarimetry and imperfect instrumentation in representing solar magnetic fields with weaker polarization signal 2021 Alexei Pevtsov
Yang Liu
Ilpo Virtanen
Luca Bertello
К. ĐœŃƒŃ€ŃŃƒĐ»Đ°
K. D. Leka
Anna L. H. Hughes
+ PDF Chat Magnetic Helicity Flux across Solar Active Region Photospheres. I. Hemispheric Sign Preference in Solar Cycle 24 2020 Sung‐Hong Park
K. D. Leka
K. Kusano
+ PDF Chat On Measuring Divergence for Magnetic Field Modeling 2020 S. A. Gilchrist
K. D. Leka
G. Barnes
M. S. Wheatland
Marc L. DeRosa
+ PDF Chat The Trigger Mechanism of Recurrent Solar Active Region Jets Revealed by the Magnetic Properties of a Coronal Geyser Site 2020 Alin Rǎzvan Paraschiv
Alina Donea
K. D. Leka
+ PDF Chat A Comparison of Flare Forecasting Methods. IV. Evaluating Consecutive-day Forecasting Patterns 2020 Sung‐Hong Park
K. D. Leka
K. Kusano
Jesse Andries
G. Barnes
Suzy Bingham
D. Shaun Bloomfield
Aoife E. McCloskey
VĂ©ronique Delouille
D. A. Falconer
+ PDF Chat A Comparison of Flare Forecasting Methods. III. Systematic Behaviors of Operational Solar Flare Forecasting Systems 2019 K. D. Leka
Sung‐Hong Park
K. Kusano
Jesse Andries
G. Barnes
Suzy Bingham
D. Shaun Bloomfield
Aoife E. McCloskey
VĂ©ronique Delouille
D. A. Falconer
+ PDF Chat A Comparison of Flare Forecasting Methods. II. Benchmarks, Metrics, and Performance Results for Operational Solar Flare Forecasting Systems 2019 K. D. Leka
Sung‐Hong Park
K. Kusano
Jesse Andries
G. Barnes
Suzy Bingham
D. Shaun Bloomfield
Aoife E. McCloskey
VĂ©ronique Delouille
D. A. Falconer
+ Effects of particular smoothing processes for global synoptic maps on PFSS solutions 2019 Keiji Hayashi
K. D. Leka
G. Barnes
+ PDF Chat Application usability levels: a framework for tracking project product progress 2019 Alexa Halford
Adam Kellerman
Katherine Garcia‐Sage
J. Klenzing
Brett Carter
Ryan McGranaghan
T. B. Guild
C. Cid
C. J. Henney
Natalia Ganushkina
+ The NWRA Classification Infrastructure: Description and Extension to the Discriminant Analysis Flare Forecasting System (DAFFS) 2018 K. D. Leka
G. Barnes
Eric L. Wagner
+ PDF Chat The NWRA Classification Infrastructure: description and extension to the Discriminant Analysis Flare Forecasting System (DAFFS) 2018 K. D. Leka
G. Barnes
Eric L. Wagner
+ PDF Chat Evaluating (and Improving) Estimates of the Solar Radial Magnetic Field Component from Line-of-Sight Magnetograms 2017 K. D. Leka
G. Barnes
Eric L. Wagner
+ PDF Chat A COMPARISON OF FLARE FORECASTING METHODS. I. RESULTS FROM THE “ALL-CLEAR” WORKSHOP 2016 G. Barnes
K. D. Leka
C. J. Schrijver
T. Colak
Rami Qahwaji
Omar W Ashamari
Yixuan Yuan
J. Zhang
R. T. James McAteer
D. Shaun Bloomfield
+ PDF Chat ACHIEVING CONSISTENT DOPPLER MEASUREMENTS FROM SDO/HMI VECTOR FIELD INVERSIONS 2016 P. W. Schuck
S. K. Antiochos
K. D. Leka
G. Barnes
+ PDF Chat THE INFLUENCE OF SPATIAL RESOLUTION ON NONLINEAR FORCE-FREE MODELING 2015 Marc L. DeRosa
M. S. Wheatland
K. D. Leka
G. Barnes
T. Amari
A. Canou
S. A. Gilchrist
J. K. Thalmann
G. Valori
T. Wiegelmann
+ PDF Chat Enhanced Acoustic Emission in Relation to the Acoustic Halo Surrounding Active Region 11429 2015 Chris S. Hanson
Alina Donea
K. D. Leka
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: SHARPs – Space-Weather HMI Active Region Patches 2014 Monica Bobra
Xudong Sun
J. T. Hoeksema
M. Turmon
Yang Liu
Keiji Hayashi
G. Barnes
K. D. Leka
+ PDF Chat HELIOSEISMOLOGY OF PRE-EMERGING ACTIVE REGIONS. III. STATISTICAL ANALYSIS 2014 G. Barnes
A. C. Birch
K. D. Leka
D. C. Braun
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Overview and Performance 2014 J. T. Hoeksema
Yang Liu
Keiji Hayashi
Xudong Sun
J. Schou
SĂ©bastien Couvidat
A. A. Norton
Monica Bobra
R. Centeno
K. D. Leka
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Optimization of the Spectral Line Inversion Code 2014 R. Centeno
J. Schou
Keiji Hayashi
A. A. Norton
J. T. Hoeksema
Yang Liu
K. D. Leka
G. Barnes
+ PDF Chat HELIOSEISMOLOGY OF PRE-EMERGING ACTIVE REGIONS. II. AVERAGE EMERGENCE PROPERTIES 2012 A. C. Birch
D. C. Braun
K. D. Leka
G. Barnes
Brenda Javornik
+ PDF Chat HELIOSEISMOLOGY OF PRE-EMERGING ACTIVE REGIONS. I. OVERVIEW, DATA, AND TARGET SELECTION CRITERIA 2012 K. D. Leka
G. Barnes
A. C. Birch
I. Gonzalez‐Hernandez
T. M. Dunn
Brenda Javornik
D. C. Braun
+ PDF Chat Response to “Comment on ‘Resolving the 180° Ambiguity in Solar Vector Magnetic Field Data: Evaluating the Effects of Noise, Spatial Resolution, and Method Assumptions’ ” 2011 K. D. Leka
G. Barnes
G. A. Gary
A. D. Crouch
Yang Liu
+ PDF Chat The Free Energy of NOAA Solar Active Region AR 11029 2011 S. A. Gilchrist
M. S. Wheatland
K. D. Leka
+ PDF Chat Modeling and Interpreting the Effects of Spatial Resolution on Solar Magnetic Field Maps 2011 K. D. Leka
G. Barnes
+ PDF Chat ACHIEVING SELF-CONSISTENT NONLINEAR FORCE-FREE MODELING OF SOLAR ACTIVE REGIONS 2011 M. S. Wheatland
K. D. Leka
+ PDF Chat THE ROLE OF MAGNETIC TOPOLOGY IN THE HEATING OF ACTIVE REGION CORONAL LOOPS 2010 Jin‐Yi Lee
G. Barnes
K. D. Leka
Katharine K. Reeves
K. E. Korreck
L. Golub
E. E. DeLuca
+ PDF Chat Resolving the Azimuthal Ambiguity in Vector Magnetogram Data with the Divergence-Free Condition: Application to Discrete Data 2009 A. D. Crouch
G. Barnes
K. D. Leka
+ PDF Chat A CRITICAL ASSESSMENT OF NONLINEAR FORCE-FREE FIELD MODELING OF THE SOLAR CORONA FOR ACTIVE REGION 10953 2009 Marc L. DeRosa
C. J. Schrijver
G. Barnes
K. D. Leka
B. W. Lites
Markus J. Aschwanden
T. Amari
A. Canou
J. McTiernan
Stéphane Régnier
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Overview and Performance 2014 J. T. Hoeksema
Yang Liu
Keiji Hayashi
Xudong Sun
J. Schou
SĂ©bastien Couvidat
A. A. Norton
Monica Bobra
R. Centeno
K. D. Leka
20
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Optimization of the Spectral Line Inversion Code 2014 R. Centeno
J. Schou
Keiji Hayashi
A. A. Norton
J. T. Hoeksema
Yang Liu
K. D. Leka
G. Barnes
15
+ The Solar Optical Telescope for the Hinode Mission: An Overview 2008 S. Tsuneta
Kiyoshi Ichimoto
Yukio Katsukawa
S. Nagata
M. Otsubo
Toshifumi Shimizu
Y. Suematsu
M. Nakagiri
M. Noguchi
T. D. Tarbell
15
+ PDF Chat VFISV: Very Fast Inversion of the Stokes Vector for the Helioseismic and Magnetic Imager 2010 J. M. Borrero
S. Tomczyk
Masahito Kubo
H. Socas‐Navarro
J. Schou
S. Couvidat
R. S. Bogart
10
+ PDF Chat The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: SHARPs – Space-Weather HMI Active Region Patches 2014 Monica Bobra
Xudong Sun
J. T. Hoeksema
M. Turmon
Yang Liu
Keiji Hayashi
G. Barnes
K. D. Leka
8
+ PDF Chat The NWRA Classification Infrastructure: description and extension to the Discriminant Analysis Flare Forecasting System (DAFFS) 2018 K. D. Leka
G. Barnes
Eric L. Wagner
7
+ PDF Chat ACHIEVING CONSISTENT DOPPLER MEASUREMENTS FROM SDO/HMI VECTOR FIELD INVERSIONS 2016 P. W. Schuck
S. K. Antiochos
K. D. Leka
G. Barnes
6
+ PDF Chat A CRITICAL ASSESSMENT OF NONLINEAR FORCE-FREE FIELD MODELING OF THE SOLAR CORONA FOR ACTIVE REGION 10953 2009 Marc L. DeRosa
C. J. Schrijver
G. Barnes
K. D. Leka
B. W. Lites
Markus J. Aschwanden
T. Amari
A. Canou
J. McTiernan
Stéphane Régnier
6
+ PDF Chat Modeling and Interpreting the Effects of Spatial Resolution on Solar Magnetic Field Maps 2011 K. D. Leka
G. Barnes
6
+ SOLAR FLARE PREDICTION USING<i>SDO</i>/HMI VECTOR MAGNETIC FIELD DATA WITH A MACHINE-LEARNING ALGORITHM 2015 Monica Bobra
S. Couvidat
6
+ Density Estimation for Statistics and Data Analysis 1400 5
+ PDF Chat A COMPARISON OF FLARE FORECASTING METHODS. I. RESULTS FROM THE “ALL-CLEAR” WORKSHOP 2016 G. Barnes
K. D. Leka
C. J. Schrijver
T. Colak
Rami Qahwaji
Omar W Ashamari
Yixuan Yuan
J. Zhang
R. T. James McAteer
D. Shaun Bloomfield
5
+ PDF Chat Solar Flare Prediction Model with Three Machine-learning Algorithms using Ultraviolet Brightening and Vector Magnetograms 2017 Naoto Nishizuka
Komei Sugiura
Yûki Kubo
Mitsue Den
S. Watari
Mamoru Ishii
5
+ TOWARD RELIABLE BENCHMARKING OF SOLAR FLARE FORECASTING METHODS 2012 D. Shaun Bloomfield
Paul Higgins
R. T. James McAteer
P. T. Gallagher
5
+ PDF Chat Evaluating (and Improving) Estimates of the Solar Radial Magnetic Field Component from Line-of-Sight Magnetograms 2017 K. D. Leka
G. Barnes
Eric L. Wagner
5
+ Allocation Rules and Their Error Rates 1966 Michael Hills
4
+ PDF Chat PRODUCTIVITY OF SOLAR FLARES AND MAGNETIC HELICITY INJECTION IN ACTIVE REGIONS 2010 Sung‐Hong Park
Jongchul Chae
Haimin Wang
4
+ PDF Chat Spectral Line Selection for HMI: A Comparison of Fe I 6173 Å and Ni I 6768 Å 2006 A. A. Norton
Jonathan Pietarila Graham
R. K. Ulrich
J. Schou
S. Tomczyk
Yang Liu
B. W. Lites
A. LĂłpez Ariste
R. I. Bush
H. Socas‐Navarro
4
+ PDF Chat Flare forecasting using the evolution of McIntosh sunspot classifications 2018 Aoife E. McCloskey
P. T. Gallagher
D. Shaun Bloomfield
4
+ PDF Chat Flare forecasting at the Met Office Space Weather Operations Centre 2017 Sophie A. Murray
Suzy Bingham
Michael Sharpe
D. R. Jackson
4
+ PDF Chat Inferring the magnetic field vector in the quiet Sun 2010 J. M. Borrero
Philippe Kobel
4
+ PDF Chat A statistical solar flare forecast method 2005 M. S. Wheatland
4
+ PDF Chat WHAT IS THE RELATIONSHIP BETWEEN PHOTOSPHERIC FLOW FIELDS AND SOLAR FLARES? 2009 B. T. Welsch
Yan Li
P. W. Schuck
G. H. Fisher
4
+ A Leisurely Look at the Bootstrap, the Jackknife, and Cross-Validation 1983 Bradley Efron
Gail Gong
4
+ PDF Chat Inferring the magnetic field vector in the quiet Sun - I. Photon noise and selection criteria 2011 J. M. Borrero
Philippe Kobel
4
+ PDF Chat Verification of Space Weather Forecasts Issued by the Met Office Space Weather Operations Centre 2017 Michael Sharpe
Sophie A. Murray
3
+ PDF Chat Solar Flux Emergence Simulations 2010 R. F. Stein
A. LagerfjÀrd
Åke Nordlund
D. Georgobiani
3
+ PDF Chat Preprocessing of Vector Magnetograph Data for a Nonlinear Force-Free Magnetic Field Reconstruction 2006 T. Wiegelmann
B. Inhester
Takashi Sakurai
3
+ Magnetic Field Vector Retrieval With the Helioseismic and Magnetic Imager 2007 J. M. Borrero
S. Tomczyk
A. A. Norton
T. Darnell
J. Schou
P. H. Scherrer
R. I. Bush
Yang Liu
3
+ PDF Chat Verification of operational solar flare forecast: Case of Regional Warning Center Japan 2017 Yûki Kubo
Mitsue Den
Mamoru Ishii
3
+ PDF Chat Nonlinear Force‐free Field Modeling of a Solar Active Region around the Time of a Major Flare and Coronal Mass Ejection 2008 C. J. Schrijver
Marc L. DeRosa
Thomas R. Metcalf
G. Barnes
B. W. Lites
T. Tarbell
J. McTiernan
G. Valori
T. Wiegelmann
M. S. Wheatland
3
+ PDF Chat Deterministically Driven Avalanche Models of Solar Flares 2014 Antoine Strugarek
Paul Charbonneau
Richard I. Joseph
Dorian Pirot
3
+ PDF Chat An automated classification approach to ranking photospheric proxies of magnetic energy build-up 2015 Amani Al-Ghraibah
Laura E. Boucheron
R. T. James McAteer
3
+ PDF Chat Time – Distance Analysis of the Emerging Active Region NOAA 10790 2008 S. Zharkov
M. J. Thompson
3
+ PDF Chat The Case for a Distributed Solar Dynamo Shaped by Near‐Surface Shear 2005 Axel Brandenburg
3
+ PDF Chat Tracking Vector Magnetograms with the Magnetic Induction Equation 2008 P. W. Schuck
3
+ The Advanced Theory of Statistics. 1984 G. S. Watson
M. G. Kendall
Alan Stuart
Keith Ord
3
+ PDF Chat Local Helioseismology: Three-Dimensional Imaging of the Solar Interior 2010 L. Gizon
A. C. Birch
H. C. Spruit
3
+ PDF Chat HELIOSEISMOLOGY OF PRE-EMERGING ACTIVE REGIONS. I. OVERVIEW, DATA, AND TARGET SELECTION CRITERIA 2012 K. D. Leka
G. Barnes
A. C. Birch
I. Gonzalez‐Hernandez
T. M. Dunn
Brenda Javornik
D. C. Braun
3
+ The Advanced Theory of Statistics. 1947 Abraham Wald
M. G. Kendall
2
+ PDF Chat A Comparison of Flare Forecasting Methods. II. Benchmarks, Metrics, and Performance Results for Operational Solar Flare Forecasting Systems 2019 K. D. Leka
Sung‐Hong Park
K. Kusano
Jesse Andries
G. Barnes
Suzy Bingham
D. Shaun Bloomfield
Aoife E. McCloskey
VĂ©ronique Delouille
D. A. Falconer
2
+ The Advanced Theory of Statistics. 1978 G. M. Clarke
M. G. Kendall
A. Stuart
2
+ PDF Chat Pre-flare coronal dimmings 2016 Qingmin Zhang
Yun Su
Haisheng Ji
2
+ PDF Chat A Comparison of Flare Forecasting Methods. III. Systematic Behaviors of Operational Solar Flare Forecasting Systems 2019 K. D. Leka
Sung‐Hong Park
K. Kusano
Jesse Andries
G. Barnes
Suzy Bingham
D. Shaun Bloomfield
Aoife E. McCloskey
VĂ©ronique Delouille
D. A. Falconer
2
+ On the Coordinate System of Space-Weather HMI Active Region Patches (SHARPs): A Technical Note 2013 Xudong Sun
2
+ PDF Chat Performance of Major Flare Watches from the Max Millennium Program (2001 – 2010) 2016 D. Shaun Bloomfield
P. T. Gallagher
W. Marquette
Ryan O. Milligan
R. C. Canfield
2
+ PDF Chat Strategy for the Inversion of Hinode Spectropolarimetric Measurements in the Quiet +n 2007 D. Orozco SuĂĄrez
Bellot Rubio
Toro Jose Carlos del Iniesta
S. Tsuneta
B. W. Lites
Kiyoshi Ichimoto
Yukio Katsukawa
S. Nagata
Toshifumi Shimizu
Richard A. Shine
2
+ PDF Chat Representations of celestial coordinates in FITS 2002 M. R. Calabretta
E. W. Greisen
2
+ PDF Chat HELIOSEISMOLOGY OF PRE-EMERGING ACTIVE REGIONS. III. STATISTICAL ANALYSIS 2014 G. Barnes
A. C. Birch
K. D. Leka
D. C. Braun
2
+ PDF Chat How Should One Optimize Nonlinear Force-Free Coronal Magnetic Field Extrapolations from SDO/HMI Vector Magnetograms? 2012 T. Wiegelmann
J. K. Thalmann
B. Inhester
Tilaye Tadesse
Xudong Sun
J. T. Hoeksema
2