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W. Freedman · SciRah

Researcher profile · Semantic Scholar

W. Freedman

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W. Freedman — researcher profile on SciRah

h-index: 73
Works: 481
Citations: 24K

Most-cited papers

Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
E. Abdalla, G. F. Abell'an, A. Aboubrahim, A. Agnello +199 more
2022Journal of High Energy Astrophysics1,131 citations Open access
Semantic Scholar
The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on the Tip of the Red Giant Branch
W. Freedman, B. Madore, Dylan Hatt, Taylor J. Hoyt +9 more
2019Astrophysical Journal715 citations Open access
Semantic Scholar
Measurements of the Hubble Constant: Tensions in Perspective
W. Freedman
2021Astrophysical Journal476 citations Open access
Semantic Scholar
Cosmology Intertwined III: $f \sigma_8$ and $S_8$
E. di Valentino, L. Anchordoqui, Ozgur Akarsu, Y. Ali-Haïmoud +88 more
2020299 citations Open access
Semantic Scholar
Cosmology at a crossroads
W. Freedman
2017Nature Astronomy212 citations
Semantic Scholar
The Carnegie Supernova Project. I. Third Photometry Data Release of Low-redshift Type Ia Supernovae and Other White Dwarf Explosions
K. Krisciunas, C. Contreras, C. Burns, M. Phillips +26 more
2017155 citations Open access
Semantic Scholar
The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant
C. Burns, E. Parent, M. Phillips, M. Stritzinger +22 more
2018Astrophysical Journal143 citations Open access
Semantic Scholar
Status Report on the Chicago-Carnegie Hubble Program (CCHP): Measurement of the Hubble Constant Using the Hubble and James Webb Space Telescopes
W. Freedman, B. Madore, Taylor J. Hoyt, In-Sung Jang +2 more
2025Astrophysical Journal140 citations Open access
Semantic Scholar
Type II Supernova Spectral Diversity. I. Observations, Sample Characterization, and Spectral Line Evolution
C. Gutiérrez, Joseph P. Anderson, M. Hamuy, N. Morrell +22 more
2017114 citations Open access
Semantic Scholar
Cosmology Intertwined I: Perspectives for the Next Decade
E. Di Valentino, L. Anchordoqui, Ozgur Akarsu, Y. Ali-Haïmoud +88 more
202090 citations Open access
Semantic Scholar
Progress in direct measurements of the Hubble constant
W. Freedman, B. Madore
2023Journal of Cosmology and Astroparticle Physics77 citations Open access
Semantic Scholar
Cosmology Intertwined IV: The Age of the Universe and its Curvature
E. di Valentino, L. Anchordoqui, Ozgur Akarsu, Y. Ali-Haïmoud +87 more
202069 citations Open access
Semantic Scholar
Correction: Cosmology at a crossroads
W. Freedman
2017Nature Astronomy64 citations Open access
Semantic Scholar
Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ∼ 0.1
M. Phillips, C. Contreras, E. Hsiao, N. Morrell +40 more
2018Publications of the Astronomical Society of the Pacific61 citations Open access
Semantic Scholar
Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program
E. Hsiao, M. Phillips, G. H. Marion, R. Kirshner +41 more
2018Publications of the Astronomical Society of the Pacific54 citations Open access
Semantic Scholar
SN 2012fr: Ultraviolet, Optical, and Near-infrared Light Curves of a Type Ia Supernova Observed within a Day of Explosion
C. Contreras, M. Phillips, C. Burns, A. L. Piro +31 more
201852 citations Open access
Semantic Scholar
The Carnegie-Chicago Hubble Program. VII. The Distance to M101 via the Optical Tip of the Red Giant Branch Method
R. Beaton, M. Seibert, Dylan Hatt, W. Freedman +8 more
2019Astrophysical Journal47 citations Open access
Semantic Scholar
The Carnegie–Chicago Hubble Program. III. The Distance to NGC 1365 via the Tip of the Red Giant Branch
I. Jang, Dylan Hatt, R. Beaton, M. Lee +7 more
201747 citations Open access
Semantic Scholar
The Carnegie–Chicago Hubble Program. IX. Calibration of the Tip of the Red Giant Branch Method in the Megamaser Host Galaxy, NGC 4258 (M106)
I. Jang, Taylor J. Hoyt, R. Beaton, W. Freedman +6 more
2020Astrophysical Journal45 citations Open access
Semantic Scholar
The Carnegie Supernova Project-I: Correlation between Type Ia Supernovae and Their Host Galaxies from Optical to Near-infrared Bands
S. Uddin, C. Burns, M. Phillips, N. Suntzeff +12 more
2020Astrophysical Journal41 citations Open access
Semantic Scholar
Standard Galactic field RR Lyrae II: a Gaia DR2 calibration of the period–Wesenheit–metallicity relation
J. Neeley, M. Marengo, W. Freedman, B. Madore +8 more
2019Monthly notices of the Royal Astronomical Society41 citations Open access
Semantic Scholar
The Near-infrared Tip of the Red Giant Branch. II. An Absolute Calibration in the Large Magellanic Cloud
Taylor J. Hoyt, W. Freedman, B. Madore, M. Seibert +6 more
201841 citations Open access
Semantic Scholar
Cosmological Results from the RAISIN Survey: Using Type Ia Supernovae in the Near Infrared as a Novel Path to Measure the Dark Energy Equation of State
D. Jones, K. Mandel, R. Kirshner, S. Thorp +25 more
2022Astrophysical Journal40 citations Open access
Semantic Scholar
Carnegie Supernova Project I and II: Measurements of H 0 Using Cepheid, Tip of the Red Giant Branch, and Surface Brightness Fluctuation Distance Calibration to Type Ia Supernovae
S. Uddin, C. Burns, M. Phillips, N. Suntzeff +43 more
2024Astrophysical Journal38 citations Open access
Semantic Scholar
The Near-infrared Tip of the Red Giant Branch. I. A Calibration in the Isolated Dwarf Galaxy IC 1613
B. Madore, W. Freedman, Dylan Hatt, Taylor J. Hoyt +7 more
201835 citations Open access
Semantic Scholar
The Carnegie Chicago Hubble Program X: Tip of the Red Giant Branch Distances to NGC 5643 and NGC 1404
Taylor J. Hoyt, R. Beaton, W. Freedman, In-Sung Jang +6 more
2021Astrophysical Journal33 citations Open access
Semantic Scholar
On the RR Lyrae Stars in Globulars. V. The Complete Near-infrared (JHKs) Census of ω Centauri RR Lyrae Variables
V. Braga, P. Stetson, G. Bono, M. Dall'ora +34 more
201833 citations Open access
Semantic Scholar
The Astrophysical Distance Scale. III. Distance to the Local Group Galaxy WLM Using Multiwavelength Observations of the Tip of the Red Giant Branch, Cepheids, and JAGB Stars
Abigail J. Lee, W. Freedman, B. Madore, Kayla A. Owens +2 more
2020Astrophysical Journal32 citations Open access
Semantic Scholar
Astrophysical Distance Scale: The AGB J-band Method. I. Calibration and a First Application
B. Madore, W. Freedman
2020Astrophysical Journal31 citations Open access
Semantic Scholar
Astrophysical Distance Scale. II. Application of the JAGB Method: A Nearby Galaxy Sample
W. Freedman, B. Madore
2020Astrophysical Journal27 citations Open access
Semantic Scholar
The Carnegie–Chicago Hubble Program. V. The Distances to NGC 1448 and NGC 1316 via the Tip of the Red Giant Branch
Dylan Hatt, W. Freedman, B. Madore, I. Jang +7 more
2018Astrophysical Journal26 citations Open access
Semantic Scholar
The Carnegie-Chicago Hubble Program. IV. The Distance to NGC 4424, NGC 4526, and NGC 4356 via the Tip of the Red Giant Branch
Dylan Hatt, W. Freedman, B. Madore, R. Beaton +7 more
2018Astrophysical Journal26 citations Open access
Semantic Scholar
A Uniform Type Ia Supernova Distance Ladder with the Zwicky Transient Facility: Absolute Calibration Based on the Tip of the Red Giant Branch Method
S. Dhawan, A. Goobar, J. Johansson, In-Sung Jang +20 more
2022Astrophysical Journal24 citations Open access
Semantic Scholar
Carnegie Supernova Project II: The Slowest Rising Type Ia Supernova LSQ14fmg and Clues to the Origin of Super-Chandrasekhar/03fg-like Events
E. Hsiao, P. Hoeflich, C. Ashall, J. Lu +33 more
2020Astrophysical Journal24 citations Open access
Semantic Scholar
Carnegie Supernova Project: The First Homogeneous Sample of Super-Chandrasekhar-mass/2003fg-like Type Ia Supernovae
C. Ashall, J. Lu, E. Hsiao, P. Hoeflich +37 more
2021Astrophysical Journal23 citations Open access
Semantic Scholar
On a New Method to Estimate the Distance, Reddening, and Metallicity of RR Lyrae Stars Using Optical/Near-infrared (B, V, I, J, H, K) Mean Magnitudes: ω Centauri as a First Test Case
G. Bono, G. Iannicola, V. Braga, I. Ferraro +25 more
2018Astrophysical Journal23 citations Open access
Semantic Scholar
Carnegie Supernova Project: Classification of Type Ia Supernovae
A. Burrow, E. Baron, C. Ashall, C. Burns +13 more
2020Astrophysical Journal22 citations Open access
Semantic Scholar
SN 2013aa and SN 2017cbv: Two Sibling Type Ia Supernovae in the Spiral Galaxy NGC 5643
C. Burns, C. Ashall, C. Contreras, P. Brown +25 more
2020Astrophysical Journal21 citations Open access
Semantic Scholar
New near-infrared JHKs light-curve templates for RR Lyrae variables
V. Braga, P. Stetson, G. Bono, M. Dall'ora +34 more
2018Astronomy & Astrophysics20 citations Open access
Semantic Scholar
Current Challenges in Cepheid Distance Calibrations Using Gaia Early Data Release 3
Kayla A. Owens, W. Freedman, B. Madore, Abigail J. Lee
2022Astrophysical Journal19 citations Open access
Semantic Scholar
The Carnegie Chicago Hubble Program. VI. Tip of the Red Giant Branch Distances to M66 and M96 of the Leo I Group
Taylor J. Hoyt, W. Freedman, B. Madore, Dylan Hatt +7 more
2019Astrophysical Journal18 citations Open access
Semantic Scholar
The Astrophysical Distance Scale. V. A 2% Distance to the Local Group Spiral M33 via the JAGB Method, Tip of the Red Giant Branch, and Leavitt Law
Abigail J. Lee, Laurie Rousseau-Nepton, W. Freedman, B. Madore +5 more
2022Astrophysical Journal17 citations Open access
Semantic Scholar
The Carnegie RR Lyrae Program: mid-infrared period–luminosity relations of RR Lyrae stars in Reticulum
T. Muraveva, A. Garofalo, V. Scowcroft, G. Clementini +3 more
2018Monthly notices of the Royal Astronomical Society17 citations Open access
Semantic Scholar
Quantifying Uncertainties on the Tip of the Red Giant Branch Method
B. Madore, W. Freedman, Kayla A. Owens, In-Sung Jang
2023Astronomical Journal16 citations Open access
Semantic Scholar
Systematics in the Cepheid and TRGB Distance Scales: Metallicity Sensitivity of the Wesenheit Leavitt Law
B. Madore, W. Freedman
2023Astrophysical Journal14 citations Open access
Semantic Scholar
Milky Way Zero-point Calibration of the JAGB Method: Using Thermally Pulsing AGB Stars in Galactic Open Clusters
B. Madore, W. Freedman, Abigail J. Lee, Kayla A. Owens
2022Astrophysical Journal14 citations Open access
Semantic Scholar
Carnegie Supernova Project-I and -II: Measurements of $H_0$ using Cepheid, TRGB, and SBF Distance Calibration to Type Ia Supernovae
S. A. Uddin, C. Burns, M. Phillips, N. Suntzeff +43 more
202313 citations
Semantic Scholar
The Chicago–Carnegie Hubble Program: The JWST J-region Asymptotic Giant Branch Extragalactic Distance Scale
Abigail J. Lee, W. Freedman, B. Madore, In-Sung Jang +2 more
2025Astrophysical Journal12 citations Open access
Semantic Scholar
First JWST Observations of JAGB Stars in the SN Ia Host Galaxies: NGC 7250, NGC 4536, NGC 3972
Abigail J. Lee, W. Freedman, In-Sung Jang, B. Madore +1 more
2023Astrophysical Journal12 citations Open access
Semantic Scholar
Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II
N. Morrell, M. Phillips, G. Folatelli, M. Stritzinger +56 more
2024Astrophysical Journal11 citations Open access
Semantic Scholar

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B. Madore — researcher profile on SciRah
Taylor J. Hoyt×15
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