J
J. Gschwend
Researcher at Cardiff University
Publications - 39
Citations - 1547
J. Gschwend is an academic researcher from Cardiff University. The author has contributed to research in topics: Galaxy & Supernova. The author has an hindex of 19, co-authored 39 publications receiving 1150 citations.
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Journal ArticleDOI
First cosmology results using type Ia supernovae from the Dark Energy Survey: constraints on cosmological parameters
T. M. C. Abbott,S. Allam,Per Kragh Andersen,Per Kragh Andersen,C. Angus,Jacobo Asorey,Arturo Avelino,Santiago Avila,Bruce A. Bassett,Keith Bechtol,Gary Bernstein,Emmanuel Bertin,David Brooks,D. Brout,Peter de Nully Brown,D. L. Burke,D. L. Burke,J. Calcino,A. Carnero Rosell,Daniela Carollo,M. Carrasco Kind,J. Carretero,Ricard Casas,F. J. Castander,R. Cawthon,Peter M. Challis,M. Childress,Alejandro Clocchiatti,Carlos Cunha,C. B. D'Andrea,L. N. da Costa,C. Davis,Tamara M. Davis,J. De Vicente,D. L. DePoy,Shantanu Desai,H. T. Diehl,P. Doel,Alex Drlica-Wagner,Tim Eifler,Tim Eifler,A. E. Evrard,Enrique Fernández,Alexei V. Filippenko,D. A. Finley,B. Flaugher,R. J. Foley,Pablo Fosalba,Joshua A. Frieman,Lluís Galbany,Juan Garcia-Bellido,Enrique Gaztanaga,Tommaso Giannantonio,Tommaso Giannantonio,Karl Glazebrook,Daniel A. Goldstein,Santiago González-Gaitán,Daniel Gruen,Daniel Gruen,Robert A. Gruendl,J. Gschwend,Ravi R. Gupta,G. Gutierrez,W. G. Hartley,W. G. Hartley,Samuel Hinton,D. L. Hollowood,K. Honscheid,J. K. Hoormann,Ben Hoyle,Ben Hoyle,David J. James,Tesla E. Jeltema,M. W. G. Johnson,Michael D. Johnson,E. Kasai,Stephen M. Kent,Richard Kessler,Alex G. Kim,Robert P. Kirshner,Robert P. Kirshner,Eve Kovacs,Elisabeth Krause,Richard G. Kron,Kyler Kuehn,Steve Kuhlmann,N. Kuropatkin,Ofer Lahav,J. Lasker,Geraint F. Lewis,Tenglin Li,C. Lidman,Marcos Lima,Huan Lin,Edward Macaulay,M. A. G. Maia,Kaisey S. Mandel,M. March,J. Marriner,Jennifer L. Marshall,P. Martini,Felipe Menanteau,Christopher J. Miller,Ramon Miquel,V. Miranda,Joseph J. Mohr,Joseph J. Mohr,Eric Morganson,Daniel Muthukrishna,Daniel Muthukrishna,Anais Möller,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Peter Nugent,Ricardo L. C. Ogando,Antonella Palmese,Yen-Chen Pan,Yen-Chen Pan,A. A. Plazas,M. Pursiainen,A. K. Romer,A. Roodman,A. Roodman,Eduardo Rozo,Eli S. Rykoff,Eli S. Rykoff,Masao Sako,E. J. Sanchez,V. Scarpine,Rafe Schindler,M. S. Schubnell,Daniel Scolnic,S. Serrano,I. Sevilla-Noarbe,Rob Sharp,Mathew Smith,Marcelle Soares-Santos,Flavia Sobreira,N. E. Sommer,H. Spinka,E. Suchyta,Mark Sullivan,E. Swann,Gregory Tarle,Daniel Thomas,R. C. Thomas,Michael Troxel,Brad E. Tucker,Syed Uddin,Alistair R. Walker,William Wester,P. Wiseman,R. C. Wolf,Brian Yanny,Bin-Bin Zhang,Yanxi Zhang +156 more
TL;DR: In this paper, the first cosmological parameter constraints using measurements of type Ia supernovae (SNe Ia) from the Dark Energy Survey Supernova Program (DES-SN) were presented.
Journal ArticleDOI
An r-process enhanced star in the dwarf galaxy Tucana III*
Terese T. Hansen,J. D. Simon,Jennifer L. Marshall,Tenglin Li,Tenglin Li,Daniela Carollo,Darren L. DePoy,D. Q. Nagasawa,R. A. Bernstein,Alex Drlica-Wagner,F. B. Abdalla,F. B. Abdalla,Sahar S. Allam,James Annis,Keith Bechtol,A. Benoit-Lévy,A. Benoit-Lévy,A. Benoit-Lévy,David Brooks,E. Buckley-Geer,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,J. Carretero,Carlos Cunha,L. N. da Costa,Shantanu Desai,Tim Eifler,A. Fausti Neto,B. Flaugher,Joshua A. Frieman,Juan Garcia-Bellido,Enrique Gaztanaga,D. W. Gerdes,Daniel Gruen,Robert A. Gruendl,J. Gschwend,G. Gutierrez,David James,Elisabeth Krause,Kyler Kuehn,N. P. Kuropatkin,Ofer Lahav,Ramon Miquel,A. A. Plazas,A. K. Romer,E. J. Sanchez,Basilio X. Santiago,V. Scarpine,Robert Connon Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,Alistair R. Walker +55 more
TL;DR: In this paper, a chemical abundance analysis of the brightest star in the newly discovered ultra-faint dwarf galaxy candidate Tucana III is presented, which is able to measure the abundance of 28 elements, including 13 neutron-capture species.
Journal ArticleDOI
Milky Way Satellite Census -- I. The Observational Selection Function for Milky Way Satellites in DES Y3 and Pan-STARRS DR1
Alex Drlica-Wagner,Alex Drlica-Wagner,Keith Bechtol,S. Mau,M. McNanna,Ethan O. Nadler,Andrew B. Pace,Andrew B. Pace,Tenglin Li,Adriano Pieres,Eduardo Rozo,J. D. Simon,Alistair R. Walker,Risa H. Wechsler,T. M. C. Abbott,Sahar S. Allam,James Annis,E. Bertin,D. H. Brooks,D. L. Burke,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,M. Costanzi,L. N. da Costa,J. De Vicente,Shantanu Desai,H. T. Diehl,Peter Doel,Tim Eifler,Tim Eifler,S. Everett,B. Flaugher,J. Frieman,Juan Garcia-Bellido,Enrique Gaztanaga,D. Gruen,Robert A. Gruendl,J. Gschwend,G. Gutierrez,K. Honscheid,David James,Elisabeth Krause,Kyler Kuehn,Kyler Kuehn,N. P. Kuropatkin,Ofer Lahav,M. A. G. Maia,J. L. Marshall,Peter Melchior,Felipe Menanteau,Ramon Miquel,Antonella Palmese,A. A. Plazas,E. J. Sanchez,V. Scarpine,M. S. Schubnell,Santiago Serrano,I. Sevilla-Noarbe,M. Smith,E. Suchyta,Gregory Tarle +61 more
TL;DR: In this article, the authors used computational resources at the SLAC National Accelerator Laboratory, a U.S. National Science Foundation (NSF) under Grant No. NSF PHY-1748958 through the Kavli Institute for Theoretical Physics program “The Small Scale Structure of Cold(?) Dark Matter,” and grant no. NGE1656518 through the NSF Graduate Research Fellowship received by E.O.
Journal ArticleDOI
First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters
T. M. C. Abbott,S. Allam,Per Kragh Andersen,Per Kragh Andersen,C. Angus,Jacobo Asorey,Arturo Avelino,Santiago Avila,Bruce A. Bassett,Keith Bechtol,Gary Bernstein,Emmanuel Bertin,David Brooks,D. Brout,Peter de Nully Brown,D. L. Burke,D. L. Burke,J. Calcino,A. Carnero Rosell,Daniela Carollo,M. Carrasco Kind,J. Carretero,Ricard Casas,F. J. Castander,R. Cawthon,Peter M. Challis,M. Childress,Alejandro Clocchiatti,Carlos Cunha,C. B. D'Andrea,L. N. da Costa,C. Davis,Tamara M. Davis,J. De Vicente,D. L. DePoy,Shantanu Desai,H. T. Diehl,P. Doel,Alex Drlica-Wagner,Tim Eifler,Tim Eifler,A. E. Evrard,Enrique Fernández,Alexei V. Filippenko,D. A. Finley,B. Flaugher,R. J. Foley,Pablo Fosalba,Joshua A. Frieman,Lluís Galbany,Juan Garcia-Bellido,Enrique Gaztanaga,Tommaso Giannantonio,Tommaso Giannantonio,Karl Glazebrook,Daniel A. Goldstein,Santiago González-Gaitán,Daniel Gruen,Daniel Gruen,Robert A. Gruendl,J. Gschwend,Ravi R. Gupta,G. Gutierrez,W. G. Hartley,W. G. Hartley,Samuel Hinton,D. L. Hollowood,K. Honscheid,J. K. Hoormann,Ben Hoyle,Ben Hoyle,David J. James,Tesla E. Jeltema,M. W. G. Johnson,Michael D. Johnson,E. Kasai,Stephen M. Kent,Richard Kessler,Alex G. Kim,Robert P. Kirshner,Robert P. Kirshner,Eve Kovacs,Elisabeth Krause,Richard G. Kron,Kyler Kuehn,Steve Kuhlmann,N. Kuropatkin,Ofer Lahav,J. Lasker,Geraint F. Lewis,Tenglin Li,C. Lidman,Marcos Lima,Huan Lin,Edward Macaulay,M. A. G. Maia,Kaisey S. Mandel,M. March,J. Marriner,Jennifer L. Marshall,P. Martini,Felipe Menanteau,Christopher J. Miller,Ramon Miquel,V. Miranda,Joseph J. Mohr,Joseph J. Mohr,Eric Morganson,Daniel Muthukrishna,Daniel Muthukrishna,Anais Möller,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Peter Nugent,Ricardo L. C. Ogando,Antonella Palmese,Yen-Chen Pan,Yen-Chen Pan,A. A. Plazas,M. Pursiainen,A. K. Romer,A. Roodman,A. Roodman,Eduardo Rozo,Eli S. Rykoff,Eli S. Rykoff,Masao Sako,E. J. Sanchez,V. Scarpine,Rafe Schindler,M. S. Schubnell,Daniel Scolnic,S. Serrano,I. Sevilla-Noarbe,Rob Sharp,Mathew Smith,Marcelle Soares-Santos,Flavia Sobreira,N. E. Sommer,H. Spinka,E. Suchyta,Mark Sullivan,E. Swann,Gregory Tarle,Daniel Thomas,R. C. Thomas,Michael Troxel,Brad E. Tucker,Syed Uddin,Alistair R. Walker,William Wester,P. Wiseman,R. C. Wolf,Brian Yanny,Bin-Bin Zhang,Yanxi Zhang +156 more
TL;DR: In this paper, the first cosmological parameter constraints using measurements of type Ia supernovae (SNe Ia) from the Dark Energy Survey Supernova Program (DES-SN) were presented.
Journal ArticleDOI
The SPTpol Extended Cluster Survey
Lindsey Bleem,Sebastian Bocquet,Sebastian Bocquet,B. Stalder,Michael D. Gladders,Peter A. R. Ade,Steven W. Allen,Adam Anderson,James Annis,M. L. N. Ashby,Jason E. Austermann,Santiago Avila,Jessica Avva,Matthew B. Bayliss,Matthew B. Bayliss,James A. Beall,Keith Bechtol,Amy N. Bender,Bradford Benson,Bradford Benson,E. Bertin,Federico Bianchini,Chris Blake,Mark Brodwin,D. H. Brooks,E. Buckley-Geer,D. L. Burke,John E. Carlstrom,John E. Carlstrom,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,C. L. Chang,C. L. Chang,H. C. Chiang,H. C. Chiang,Robert I. Citron,C. Corbett Moran,C. Corbett Moran,M. Costanzi,T. M. Crawford,A. T. Crites,A. T. Crites,L. N. da Costa,T. de Haan,T. de Haan,J. De Vicente,Shantanu Desai,H. T. Diehl,J. P. Dietrich,Matt Dobbs,Matt Dobbs,Tim Eifler,Tim Eifler,W. B. Everett,B. Flaugher,Benjamin Floyd,Joshua A. Frieman,Jason Gallicchio,Juan Garcia-Bellido,Elizabeth George,Elizabeth George,D. W. Gerdes,A. Gilbert,D. Gruen,Robert A. Gruendl,J. Gschwend,Nikhel Gupta,G. Gutierrez,N. W. Halverson,N. L. Harrington,Jason W. Henning,Catherine Heymans,Catherine Heymans,G. P. Holder,G. P. Holder,Devon L. Hollowood,W. L. Holzapfel,K. Honscheid,J. D. Hrubes,N. Huang,Johannes Hubmayr,Kent D. Irwin,David James,Tesla E. Jeltema,Shahab Joudaki,G. Khullar,Matthias Klein,Matthias Klein,Lloyd Knox,N. P. Kuropatkin,Adrian T. Lee,Adrian T. Lee,Dale Li,Dale Li,C. Lidman,A. E. Lowitz,Niall MacCrann,Guillaume Mahler,M. A. G. Maia,J. L. Marshall,Michael McDonald,Jeff McMahon,Peter Melchior,Felipe Menanteau,S. S. Meyer,Ramon Miquel,L. M. Mocanu,L. M. Mocanu,Joseph J. Mohr,Joseph J. Mohr,Joshua Montgomery,A. Nadolski,T. Natoli,John P. Nibarger,G. I. Noble,Valentine Novosad,Stephen Padin,Stephen Padin,Antonella Palmese,David Parkinson,S. Patil,F. Paz-Chinchón,A. A. Plazas,C. Pryke,Nesar Ramachandra,Christian L. Reichardt,J. D. Remolina González,A. K. Romer,A. Roodman,J. E. Ruhl,Eli S. Rykoff,Benjamin Saliwanchik,E. J. Sanchez,A. Saro,J. T. Sayre,K. K. Schaffer,K. K. Schaffer,Tim Schrabback,Santiago Serrano,Keren Sharon,C. Sievers,Graeme Smecher,M. Smith,Marcelle Soares-Santos,Antony A. Stark,K. T. Story,E. Suchyta,Gregory Tarle,Carole Tucker,Keith Vanderlinde,T. Veach,Joaquin Vieira,Gensheng Wang,Jochen Weller,Jochen Weller,Nathan Whitehorn,W. L. K. Wu,Volodymyr Yefremenko,Yanxi Zhang +159 more
TL;DR: In this article, the authors describe the observations and resultant galaxy cluster catalog from the 2770 deg$^2$ SPTpol Extended Cluster Survey (SPT-ECS).