M
Masao Sako
Researcher at University of Pennsylvania
Publications - 54
Citations - 4869
Masao Sako is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Supernova & Galaxy. The author has an hindex of 29, co-authored 54 publications receiving 4076 citations. Previous affiliations of Masao Sako include Carnegie Institution for Science.
Papers
More filters
Journal ArticleDOI
Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing
T. M. C. Abbott,Filipe B. Abdalla,A. Alarcon,Jelena Aleksić,S. Allam,Steven W. Allen,A. Amara,J. Annis,Jacobo Asorey,Santiago Avila,David Bacon,Eduardo Balbinot,Manda Banerji,Nilanjan Banik,Wayne A. Barkhouse,M. Baumer,Eric J. Baxter,Keith Bechtol,Matthew R. Becker,A. Benoit-Lévy,Bradford Benson,Gary Bernstein,E. Bertin,Jonathan Blazek,Sarah Bridle,David J. Brooks,D. Brout,E. Buckley-Geer,D. L. Burke,M. T. Busha,Antonio Campos,Diego Capozzi,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,F. J. Castander,R. Cawthon,Chihway Chang,N. Chen,M. J. Childress,Ami Choi,Christopher J. Conselice,Robert Crittenden,Martin Crocce,Carlos E. Cunha,C. B. D'Andrea,L. N. da Costa,R. Das,Tamara M. Davis,C. L. Davis,J. De Vicente,Darren L. DePoy,J. DeRose,Shantanu Desai,H. T. Diehl,J. P. Dietrich,Scott Dodelson,P. Doel,Alex Drlica-Wagner,Tim Eifler,Ann Elliott,F. Elsner,Jack Elvin-Poole,Juan Estrada,August E. Evrard,Yongqi Fang,Enrique J. Fernández,Agnès Ferté,D. A. Finley,B. Flaugher,Pablo Fosalba,Oliver Friedrich,Joshua A. Frieman,Juan Garcia-Bellido,M. Garcia-Fernandez,M. Gatti,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,M. S. S. Gill,Karl Glazebrook,Daniel A. Goldstein,Daniel Gruen,Robert A. Gruendl,J. Gschwend,G. Gutierrez,S. Hamilton,W. G. Hartley,Samuel Hinton,K. Honscheid,Ben Hoyle,Dragan Huterer,Bhuvnesh Jain,David J. James,Matt J. Jarvis,Tesla E. Jeltema,Michael D. Johnson,Marvin Johnson,T. Kacprzak,Steve Kent,A. G. Kim,Andrew J. King,D. Kirk,N. Kokron,András Kovács,Elisabeth Krause,C. Krawiec,A. Kremin,Kyler Kuehn,S. E. Kuhlmann,N. Kuropatkin,F. Lacasa,Ofer Lahav,Tianjun Li,Andrew R. Liddle,C. Lidman,Marcos Lima,Huan Lin,Niall MacCrann,Marcio A. G. Maia,Martin Makler,M. Manera,M. March,Jennifer L. Marshall,Paul Martini,Richard G. McMahon,Peter Melchior,Felipe Menanteau,Ramon Miquel,V. Miranda,D. Mudd,J. Muir,Anais Möller,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Peter Nugent,Ricardo L. C. Ogando,Antonella Palmese,John A. Peacock,Hiranya V. Peiris,John Peoples,Will J. Percival,Don Petravick,A. A. Plazas,A. Porredon,J. Prat,A. Pujol,Markus Rau,Alexandre Refregier,Paul M. Ricker,Natalie A. Roe,R. P. Rollins,A. K. Romer,A. Roodman,Rogerio Rosenfeld,A. J. Ross,E. Rozo,E. S. Rykoff,Masao Sako,Ana Salvador,S. Samuroff,Carles Sanchez,E. J. Sanchez,Basilio X. Santiago,V. Scarpine,R. H. Schindler,Daniel Scolnic,L. F. Secco,S. Serrano,I. Sevilla-Noarbe,Erin Sheldon,R. C. Smith,M. N. K. Smith,J. G. Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,Gregory Tarle,Daniel B. Thomas,Michael Troxel,Douglas L. Tucker,Brad E. Tucker,S. A. Uddin,T. N. Varga,P. Vielzeuf,Vinu Vikram,A. K. Vivas,Alistair R. Walker,M. H.L.S. Wang,Risa H. Wechsler,Jochen Weller,W. C. Wester,R. C. Wolf,Brian Yanny,Fang Yuan,Alfredo Zenteno,Bonnie Zhang,Yanxi Zhang,Joe Zuntz +199 more
TL;DR: In this paper, the cosmological results from a combined analysis of galaxy clustering and weak gravitational lensing, using 1321 deg2 of griz imaging data from the first year of the Dark Energy Survey (DES Y1), were presented.
Journal ArticleDOI
Dark Energy Survey Year 1 results: cosmological constraints from cosmic shear
Michael Troxel,N. MacCrann,N. MacCrann,Joe Zuntz,Tim Eifler,Elisabeth Krause,Scott Dodelson,Daniel Gruen,Jonathan Blazek,Oliver Friedrich,S. Samuroff,J. Prat,L. F. Secco,C. L. Davis,Agnès Ferté,J. DeRose,A. Alarcon,Adam Amara,Eric J. Baxter,Matthew R. Becker,Gary Bernstein,Sarah Bridle,R. Cawthon,Chihway Chang,Ami Choi,J. De Vicente,Alex Drlica-Wagner,Jack Elvin-Poole,Joshua A. Frieman,M. Gatti,W. G. Hartley,K. Honscheid,Ben Hoyle,E. M. Huff,Dragan Huterer,Bhuvnesh Jain,Matt J. Jarvis,T. Kacprzak,D. Kirk,N. Kokron,C. Krawiec,O. Lahav,Andrew R. Liddle,John A. Peacock,Markus Rau,Alexandre Refregier,R. P. Rollins,E. Rozo,E. S. Rykoff,Carles Sanchez,I. Sevilla-Noarbe,Erin Sheldon,Albert Stebbins,T. N. Varga,P. Vielzeuf,M. H.L.S. Wang,Risa H. Wechsler,B. Yanny,T. M. C. Abbott,Filipe B. Abdalla,S. Allam,J. Annis,Keith Bechtol,A. Benoit-Lévy,E. Bertin,David J. Brooks,E. Buckley-Geer,D. L. Burke,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,F. J. Castander,Martin Crocce,Carlos E. Cunha,C. B. D'Andrea,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,H. T. Diehl,J. P. Dietrich,P. Doel,Enrique J. Fernández,B. Flaugher,Pablo Fosalba,Juan Garcia-Bellido,Enrique Gaztanaga,D. W. Gerdes,Tommaso Giannantonio,Daniel A. Goldstein,Robert A. Gruendl,J. Gschwend,G. Gutierrez,David J. James,Tesla E. Jeltema,Marvin Johnson,Michael D. Johnson,Steve Kent,Kyler Kuehn,S. E. Kuhlmann,N. Kuropatkin,Tianjun Li,Marcos Lima,Huan Lin,Marcio A. G. Maia,M. March,Jennifer L. Marshall,Paul Martini,Peter Melchior,Felipe Menanteau,Ramon Miquel,Joseph J. Mohr,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Don Petravick,A. A. Plazas,A. K. Romer,A. Roodman,Masao Sako,E. J. Sanchez,V. Scarpine,R. H. Schindler,Michael Schubnell,Mathew Smith,R. C. Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,Daniel Thomas,Douglas L. Tucker,Vinu Vikram,Alistair R. Walker,Jochen Weller,Yanxi Zhang +136 more
TL;DR: In this paper, a 3.5% fractional uncertainty on σ8(Ωm/0.3)0.5 = 0.782-0.33 at 68% C.L.
Journal ArticleDOI
SNANA: A public software package for supernova analysis
Richard Kessler,Joseph P. Bernstein,D. Cinabro,Benjamin Dilday,Joshua A. Frieman,Joshua A. Frieman,Saurabh Jha,S. E. Kuhlmann,Gajus Miknaitis,Masao Sako,Matthew D. Taylor,Jake Vanderplas +11 more
TL;DR: SNANA as mentioned in this paper is a general analysis package for supernova (SN) light curves, which contains a simulation, a light-curve fitter, and a cosmology fitter.
Journal ArticleDOI
Stellar streams discovered in the Dark Energy Survey
Nora Shipp,Alex Drlica-Wagner,Eduardo Balbinot,P. S. Ferguson,Denis Erkal,Denis Erkal,Tenglin Li,Keith Bechtol,Vasily Belokurov,B. Buncher,Daniela Carollo,M. Carrasco Kind,M. Carrasco Kind,Kyler Kuehn,Jennifer L. Marshall,Andrew B. Pace,Eli S. Rykoff,Eli S. Rykoff,I. Sevilla-Noarbe,Erin Sheldon,Louis E. Strigari,A. K. Vivas,Brian Yanny,Alfredo Zenteno,T. M. C. Abbott,Filipe B. Abdalla,Filipe B. Abdalla,S. Allam,Santiago Avila,Santiago Avila,E. Bertin,David Brooks,D. L. Burke,D. L. Burke,J. Carretero,F. J. Castander,R. Cawthon,Martin Crocce,Carlos E. Cunha,C. B. D'Andrea,L. N. da Costa,C. Davis,J. De Vicente,Shantanu Desai,H. T. Diehl,Peter Doel,August E. Evrard,B. Flaugher,Pablo Fosalba,Joshua A. Frieman,Joshua A. Frieman,Juan Garcia-Bellido,Enrique Gaztanaga,D. W. Gerdes,Daniel Gruen,Daniel Gruen,Robert A. Gruendl,Robert A. Gruendl,J. Gschwend,G. Gutierrez,W. G. Hartley,W. G. Hartley,K. Honscheid,Ben Hoyle,Ben Hoyle,David J. James,M. D. Johnson,Elisabeth Krause,Elisabeth Krause,N. Kuropatkin,Ofer Lahav,Huan Lin,M. A. G. Maia,M. March,Paul Martini,Felipe Menanteau,Felipe Menanteau,C. J. Miller,Ramon Miquel,Ramon Miquel,Robert C. Nichol,A. A. Plazas,A. K. Romer,Masao Sako,E. J. Sanchez,Basilio X. Santiago,V. Scarpine,Rafe Schindler,Michael Schubnell,M. Smith,R. C. Smith,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,Daniel Thomas,Douglas L. Tucker,Alistair R. Walker,Risa H. Wechsler,Risa H. Wechsler +99 more
TL;DR: In this article, the first 3 years of multiband optical imaging data from the Dark Energy Survey (DES) were used to perform a search for stellar streams around the Milky Way using a matched filter in color-magnitude space derived from a synthetic isochrone of an old, metal-poor stellar population.
Journal ArticleDOI
Dark Energy Survey Year 1 Results: redshift distributions of the weak-lensing source galaxies
Ben Hoyle,Daniel Gruen,Daniel Gruen,Gary Bernstein,Markus Michael Rau,J. De Vicente,W. G. Hartley,W. G. Hartley,Enrique Gaztanaga,J. DeRose,Michael Troxel,C. Davis,A. Alarcon,Niall MacCrann,J. Prat,C. Sánchez,Erin Sheldon,Risa H. Wechsler,Risa H. Wechsler,Jacobo Asorey,Matthew R. Becker,C. Bonnett,A. Carnero Rosell,Daniela Carollo,M. Carrasco Kind,M. Carrasco Kind,F. J. Castander,R. Cawthon,Chihway Chang,M. Childress,Tamara M. Davis,Alex Drlica-Wagner,M. Gatti,Karl Glazebrook,J. Gschwend,Samuel Hinton,J. K. Hoormann,A. G. Kim,A. L. King,Kyler Kuehn,Geraint F. Lewis,C. Lidman,Huan Lin,Edward Macaulay,M. A. G. Maia,Paul Martini,D. Mudd,Anais Möller,Robert C. Nichol,Ricardo L. C. Ogando,R. P. Rollins,A. Roodman,A. Roodman,Ashley J. Ross,Eduardo Rozo,Eli S. Rykoff,Eli S. Rykoff,S. Samuroff,I. Sevilla-Noarbe,Rob Sharp,N. E. Sommer,Brad E. Tucker,S. A. Uddin,T. N. Varga,P. Vielzeuf,Fang Yuan,Bonnie Zhang,T. M. C. Abbott,Filipe B. Abdalla,Filipe B. Abdalla,S. Allam,J. Annis,Keith Bechtol,A. Benoit-Lévy,E. Bertin,David Brooks,E. Buckley-Geer,D. L. Burke,D. L. Burke,M. T. Busha,Diego Capozzi,J. Carretero,Martin Crocce,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,H. T. Diehl,Peter Doel,Tim Eifler,Juan Estrada,August E. Evrard,Enrique Fernández,B. Flaugher,Pablo Fosalba,Joshua A. Frieman,Joshua A. Frieman,Juan Garcia-Bellido,D. W. Gerdes,Tommaso Giannantonio,Tommaso Giannantonio,Daniel A. Goldstein,Daniel A. Goldstein,Robert A. Gruendl,Robert A. Gruendl,G. Gutierrez,K. Honscheid,David J. James,Matt J. Jarvis,Tesla E. Jeltema,Marvin Johnson,M. D. Johnson,Donnacha Kirk,Elisabeth Krause,S. E. Kuhlmann,N. Kuropatkin,Ofer Lahav,Tenglin Li,Marcos Lima,M. March,Jennifer L. Marshall,Peter Melchior,Felipe Menanteau,Felipe Menanteau,Ramon Miquel,Ramon Miquel,Brian Nord,C. R. O'Neill,A. A. Plazas,A. K. Romer,Masao Sako,E. J. Sanchez,Basilio X. Santiago,V. Scarpine,Rafe Schindler,M. S. Schubnell,Mathew Smith,R. C. Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,Gregory Tarle,Daniel B. Thomas,Douglas L. Tucker,Vinu Vikram,Alistair R. Walker,Jochen Weller,W. C. Wester,R. C. Wolf,Brian Yanny,J. Zuntz +151 more
TL;DR: In this article, the authors used the Self-Organizing Map $p(z)$ (SOMPZ) to assign individual weak lensing source galaxies from the Dark Energy Survey Year 3 Weak Lensing Source Catalogue to four tomographic bins and estimate the redshift distributions in these bins.