C
Chun-Hao To
Researcher at Stanford University
Publications - 121
Citations - 2396
Chun-Hao To is an academic researcher from Stanford University. The author has contributed to research in topics: Galaxy & Redshift. The author has an hindex of 16, co-authored 77 publications receiving 996 citations. Previous affiliations of Chun-Hao To include Ohio State University & SLAC National Accelerator Laboratory.
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Journal ArticleDOI
Dark Energy Survey Year 1 Results: The Photometric Data Set for Cosmology
I. Sevilla-Noarbe,Keith Bechtol,M. Carrasco Kind,M. Carrasco Kind,A. Carnero Rosell,Matthew R. Becker,Alex Drlica-Wagner,Robert A. Gruendl,Robert A. Gruendl,Eli S. Rykoff,Eli S. Rykoff,Erin Sheldon,Brian Yanny,A. Alarcon,S. Allam,A. Amon,A. Benoit-Lévy,Gary Bernstein,E. Bertin,D. L. Burke,D. L. Burke,J. Carretero,Ami Choi,Ami Choi,H. T. Diehl,S. Everett,B. Flaugher,Enrique Gaztanaga,J. Gschwend,I. Harrison,W. G. Hartley,W. G. Hartley,Ben Hoyle,M. Jarvis,M. Jarvis,M. D. Johnson,Richard Kessler,R. Kron,R. Kron,N. Kuropatkin,Boris Leistedt,Tenglin Li,Felipe Menanteau,Felipe Menanteau,E. Morganson,E. Morganson,Ricardo L. C. Ogando,A. Palmese,F. Paz-Chinchón,A. Pieres,C. Pond,M. Rodriguez-Monroy,J. Allyn Smith,K. M. Stringer,Michael Troxel,Douglas L. Tucker,J. De Vicente,W. C. Wester,Yanxi Zhang,T. M. C. Abbott,M. Aguena,J. Annis,S. Avila,S. Avila,Sunayana Bhargava,S. L. Bridle,David Brooks,D. Brout,F. J. Castander,R. Cawthon,Chihway Chang,C. Conselice,M. Costanzi,M. Crocce,L. N. da Costa,Maria E. S. Pereira,T. M. Davis,Shantanu Desai,J. P. Dietrich,Peter Doel,K. Eckert,K. Eckert,August E. Evrard,I. Ferrero,Pablo Fosalba,Juan Garcia-Bellido,D. W. Gerdes,Tommaso Giannantonio,Tommaso Giannantonio,Daniel Gruen,Daniel Gruen,G. Gutierrez,S. R. Hinton,D. L. Hollowood,K. Honscheid,E. M. Huff,D. Huterer,David J. James,Tesla E. Jeltema,Kyler Kuehn,Ofer Lahav,C. Lidman,C. Lidman,Marcos Lima,Huan Lin,Marcio A. G. Maia,Jennifer L. Marshall,Paul Martini,Peter Melchior,Ramon Miquel,Ramon Miquel,Joseph J. Mohr,Robert Morgan,Eric H. Neilsen,A. A. Plazas,A. K. Romer,A. Roodman,A. Roodman,E. J. Sanchez,V. Scarpine,Michael Schubnell,S. Serrano,Mathew Smith,E. Suchyta,G. Tarle,Daniel B. Thomas,Chun-Hao To,T. N. Varga,Risa H. Wechsler,Risa H. Wechsler,Jochen Weller,R. D. Wilkinson +131 more
TL;DR: The Dark Energy Survey (DES) photometric data set Y3 GOLD as discussed by the authors contains nearly 5000 deg2 of grizY imaging in the south Galactic cap including nearly 390 million objects, with depth reaching a signal-to-noise ratio ∼10 for extended objects up to i AB ∼ 23.0, and top-of-the-atmosphere photometric uniformity 98% and purity >99% for galaxies with 19 < i AB < 22.5.
Journal ArticleDOI
Dark Energy Survey Year 1 Results: Cosmological constraints from cluster abundances and weak lensing
T. M. C. Abbott,Michel Aguena,A. Alarcon,S. Allam,S. W. Allen,J. Annis,Santiago Avila,David Bacon,Keith Bechtol,A. Bermeo,Gary Bernstein,E. Bertin,E. Bertin,Sunayana Bhargava,Sebastian Bocquet,Sebastian Bocquet,D. H. Brooks,D. J. Brout,E. Buckley-Geer,D. L. Burke,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,F. J. Castander,R. Cawthon,Chihway Chang,Xi Chen,Ami Choi,M. Costanzi,Martin Crocce,L. N. da Costa,Tamara M. Davis,J. De Vicente,J. DeRose,Shantanu Desai,H. T. Diehl,J. P. Dietrich,Scott Dodelson,Peter Doel,Alex Drlica-Wagner,Alex Drlica-Wagner,K. D. Eckert,Tim Eifler,Tim Eifler,Jack Elvin-Poole,Juan Estrada,S. Everett,August E. Evrard,Arya Farahi,I. Ferrero,B. Flaugher,Pablo Fosalba,Joshua A. Frieman,Juan Garcia-Bellido,M. Gatti,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,Paul Giles,Sebastian Grandis,D. Gruen,Robert A. Gruendl,J. Gschwend,G. Gutierrez,W. G. Hartley,W. G. Hartley,Samuel Hinton,D. L. Hollowood,K. Honscheid,Ben Hoyle,Ben Hoyle,Dragan Huterer,David James,Matt J. Jarvis,Tesla E. Jeltema,M. W. G. Johnson,M. D. Johnson,Steve Kent,Elisabeth Krause,Richard G. Kron,Kyler Kuehn,Kyler Kuehn,N. Kuropatkin,Ofer Lahav,Tenglin Li,Tenglin Li,C. Lidman,Marcos Lima,Huan Lin,Niall MacCrann,M. A. G. Maia,Adam Mantz,Jennifer L. Marshall,Paul Martini,Julian A. Mayers,Peter Melchior,J. Mena-Fernández,Felipe Menanteau,Ramon Miquel,Joseph J. Mohr,Joseph J. Mohr,Robert C. Nichol,Brian Nord,R. L. C. Ogando,Antonella Palmese,F. Paz-Chinchón,A. A. Plazas,J. Prat,Markus Rau,A. K. Romer,A. Roodman,P. Rooney,Eduardo Rozo,Eli S. Rykoff,M. Sako,S. Samuroff,Carlos Solans Sanchez,E. J. Sanchez,A. Saro,V. Scarpine,Michael Schubnell,Daniel Scolnic,Santiago Serrano,I. Sevilla-Noarbe,Erin Sheldon,J. Allyn Smith,M. Smith,E. Suchyta,M. E. C. Swanson,Gregory Tarle,Daniel Thomas,Chun-Hao To,Michael Troxel,Douglas L. Tucker,T. N. Varga,T. N. Varga,A. von der Linden,A. R. Walker,Risa H. Wechsler,Jochen Weller,Jochen Weller,R. D. Wilkinson,Hao-Yi Wu,Brian Yanny,Yanxi Zhang,Z. Zhang,Joe Zuntz +146 more
TL;DR: In this paper, a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the DES Year 1 dataset was performed using the same shear and source photometric redshifts estimates as were used in the DES combined probes analysis.
Posted Content
Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Modeling Uncertainty
L. F. Secco,S. Samuroff,Elisabeth Krause,Bhuvnesh Jain,Jonathan Blazek,Marco Raveri,Antonio Campos,Alexandra Amon,A. Chen,C. Doux,Ami Choi,Daniel Gruen,Gary Bernstein,Chihway Chang,J. DeRose,J. Myles,Agnès Ferté,P. Lemos,Dragan Huterer,J. Prat,Michael Troxel,N. MacCrann,Andrew R. Liddle,T. Kacprzak,X. Fang,Carles Sanchez,S. B. Pandey,Scott Dodelson,P. Chintalapati,K. Hoffmann,A. Alarcon,O. Alves,F. Andrade-Oliveira,E. J. Baxter,K. Bechtol,Matthew R. Becker,A. Brandao-Souza,H. Camacho,A. Carnero Rosell,M. Carrasco Kind,R. Cawthon,J. Cordero,Martin Crocce,C. L. Davis,E. Di Valentino,Alex Drlica-Wagner,K. D. Eckert,T. F. Eifler,M. Elidaiana,F. Elsner,Jack Elvin-Poole,S. Everett,P. Fosalba,Oliver Friedrich,M. Gatti,G. Giannini,Robert A. Gruendl,I. Harrison,W. G. Hartley,K. Herner,H. Huang,E. M. Huff,Matt J. Jarvis,Niall Jeffrey,N. Kuropatkin,P. F. Leget,J. Muir,J. McCullough,A. Navarro Alsina,Y. Omori,Youngsoo Park,A. Porredon,R. P. Rollins,A. Roodman,Rogerio Rosenfeld,A. J. Ross,E. S. Rykoff,Javier Sánchez,I. Sevilla-Noarbe,Erin Sheldon,T. Shin,I. Tutusaus,T. N. Varga,N. Weaverdyck,Risa H. Wechsler,B. Yanny,B. Yin,Y.-H. Zhang,J. Zuntz,T. M. C. Abbott,Michel Aguena,S. Allam,J. Annis,David Bacon,E. Bertin,Sunayana Bhargava,Sarah Bridle,David J. Brooks,E. Buckley-Geer,D. L. Burke,J. Carretero,M. Costanzi,L. N. da Costa,J. De Vicente,H. T. Diehl,J. P. Dietrich,P. Doel,I. Ferrero,B. Flaugher,Josh Frieman,Juan Garcia-Bellido,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,J. Gschwend,G. Gutierrez,Samuel Hinton,D. L. Hollowood,K. Honscheid,Ben Hoyle,David J. James,T. Jeltema,K. Kuehn,O. Lahav,Marcos Lima,Huan Lin,M. A. G. Maia,Jennifer L. Marshall,P. Martini,Peter Melchior,Felipe Menanteau,Ramon Miquel,Joseph J. Mohr,Robert Morgan,R. L. C. Ogando,Antonella Palmese,F. Paz-Chinchón,Don Petravick,Adriano Pieres,A. A. Plazas Malagón,M. Rodriguez-Monroy,A. K. Romer,E. J. Sanchez,V. Scarpine,Michael Schubnell,Daniel Scolnic,S. Serrano,M. N. K. Smith,Marcelle Soares-Santos,E. Suchyta,M. E. C. Swanson,G. Tarle,Daniel B. Thomas,Chun-Hao To +153 more
TL;DR: Amon et al. as mentioned in this paper present cosmic shear measurements and cosmological constraints from over 100 million source galaxies in the DES Year 3 data, and compare their measurement with constraints from two other contemporary weak-lensing experiments: the Kilo-Degree Survey (KiDS) and Hyper-Suprime Camera Subaru Strategic Program (HSC).
Posted Content
Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Data Calibration
Alexandra Amon,Daniel Gruen,Michael Troxel,N. MacCrann,Scott Dodelson,Ami Choi,C. Doux,L. F. Secco,S. Samuroff,Elisabeth Krause,J. Cordero,J. Myles,J. DeRose,Risa H. Wechsler,M. Gatti,A. Navarro-Alsina,Gary Bernstein,Bhuvnesh Jain,Jonathan Blazek,A. Alarcon,Agnès Ferté,Marco Raveri,P. Lemos,Antonio Campos,J. Prat,Carles Sanchez,Matt J. Jarvis,O. Alves,F. Andrade-Oliveira,E. J. Baxter,K. Bechtol,Matthew R. Becker,Sarah Bridle,H. Camacho,A. Carnero Rosell,M. Carrasco Kind,R. Cawthon,Chihway Chang,R. Chen,P. Chintalapati,Martin Crocce,C. L. Davis,H. T. Diehl,Alex Drlica-Wagner,K. D. Eckert,T. F. Eifler,Jack Elvin-Poole,S. Everett,Xiao Fang,P. Fosalba,Oliver Friedrich,G. Giannini,Robert A. Gruendl,I. Harrison,W. G. Hartley,K. Herner,H. Huang,E. M. Huff,Dragan Huterer,N. Kuropatkin,P.-F. Leget,Andrew R. Liddle,J. McCullough,J. Muir,S. B. Pandey,Youngsoo Park,A. Porredon,A. Refregier,R. P. Rollins,A. Roodman,Rogerio Rosenfeld,A. J. Ross,E. S. Rykoff,Javier Sánchez,I. Sevilla-Noarbe,Erin Sheldon,T. Shin,A. Troja,Isaac Tutusaus,T. N. Varga,N. Weaverdyck,B. Yanny,B. Yin,Y.-H. Zhang,J. Zuntz,Michel Aguena,S. Allam,J. Annis,David Bacon,E. Bertin,Sunayana Bhargava,David J. Brooks,E. Buckley-Geer,D. L. Burke,J. Carretero,M. Costanzi,L. N. da Costa,Maria E. S. Pereira,J. De Vicente,S. Desai,J. P. Dietrich,P. Doel,I. Ferrero,B. Flaugher,Josh Frieman,Juan Garcia-Bellido,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,J. Gschwend,G. Gutierrez,Samuel Hinton,D. L. Hollowood,K. Honscheid,Ben Hoyle,David J. James,Richard G. Kron,K. Kuehn,O. Lahav,Marcos Lima,Huan Lin,M. A. G. Maia,Jennifer L. Marshall,P. Martini,Peter Melchior,Felipe Menanteau,Ramon Miquel,Joseph J. Mohr,Robert Morgan,R. L. C. Ogando,Antonella Palmese,F. Paz-Chinchón,Don Petravick,Adriano Pieres,A. A. Plazas Malagón,A. K. Romer,E. J. Sanchez,V. Scarpine,Michael Schubnell,S. Serrano,M. N. K. Smith,Marcelle Soares-Santos,E. Suchyta,G. Tarle,Daniel B. Thomas,Chun-Hao To,Jochen Weller +146 more
TL;DR: In this article, the authors present the Dark Energy Survey Year 3 cosmic shear measurements and cosmological constraints based on an analysis of over 100 million source galaxies, with the data spanning 4143 deg$^2$ on the sky, divided into four redshift bins, with a signal-to-noise of 40.4 dB.
Journal ArticleDOI
Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology
I. Sevilla-Noarbe,Keith Bechtol,M. Carrasco Kind,A. Carnero Rosell,Matthew R. Becker,Alex Drlica-Wagner,Robert A. Gruendl,E. S. Rykoff,Erin Sheldon,Brian Yanny,A. Alarcon,S. Allam,Alexandra Amon,A. Benoit-Lévy,Gary Bernstein,E. Bertin,D. L. Burke,J. Carretero,Ami Choi,H. T. Diehl,S. Everett,B. Flaugher,Enrique Gaztanaga,J. Gschwend,Ian Harrison,W. G. Hartley,Ben Hoyle,Matt J. Jarvis,M. D. Johnson,Richard Kessler,Richard G. Kron,N. Kuropatkin,Boris Leistedt,Tianjun Li,Felipe Menanteau,Eric Morganson,R. L. C. Ogando,Antonella Palmese,F. Paz-Chinchón,Adriano Pieres,C.Pond,M. Rodriguez-Monroy,J.Allyn-Smith,K. M. Stringer,Michael Troxel,Douglas L. Tucker,J. De Vicente,W. C. Wester,Y.-H. Zhang,T. M. C. Abbott,Michel Aguena,J. Annis,Santiago Avila,Sunayana Bhargava,Sarah Bridle,David J. Brooks,D. J. Brout,F. J. Castander,R. Cawthon,Chihway Chang,C. J. Conselice,M. Costanzi,Martin Crocce,L. N. da Costa,M.E.E.Pereira,Tamara M. Davis,S. Desai,J. P. Dietrich,Peter Doel,K. D. Eckert,August E. Evrard,I. Ferrero,P. Fosalba,Juan Garcia-Bellido,D. W. Gerdes,Tommaso Giannantonio,Daniel Gruen,G. Gutierrez,Samuel Hinton,D. L. Hollowood,K. Honscheid,E. M. Huff,Dragan Huterer,David J. James,Tesla E. Jeltema,K. Kuehn,Ofer Lahav,C. Lidman,Marcos Lima,Huan Lin,M. A. G. Maia,Jennifer L. Marshall,P. Martini,Peter Melchior,Ramon Miquel,Joseph J. Mohr,Robert Morgan,Eric H. Neilsen,A. A. Plazas,A. K. Romer,A. Roodman,E. J. Sanchez,V. Scarpine,Michael Schubnell,S. Serrano,M. Smith,E. Suchyta,G. Tarle,Daniel Thomas,Chun-Hao To,T. N. Varga,Risa H. Wechsler,Jochen Weller,R. D. Wilkinson +113 more
TL;DR: The Dark Energy Survey (DES) photometric data set Y3 Gold as discussed by the authors contains nearly 5000 square degrees of grizY imaging in the south Galactic cap, including nearly 390 million objects, with depth reaching S/N ~ 10 for extended objects up to 23.5.