I
I. Sevilla
Researcher at University of Illinois at Urbana–Champaign
Publications - 11
Citations - 1322
I. Sevilla is an academic researcher from University of Illinois at Urbana–Champaign. The author has contributed to research in topics: Galaxy & Dark matter. The author has an hindex of 7, co-authored 11 publications receiving 1231 citations.
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Journal ArticleDOI
Eight new Milky Way companions discovered in first-year Dark Energy Survey data
Keith Bechtol,Alex Drlica-Wagner,Eduardo Balbinot,Adriano Pieres,J. D. Simon,Brian Yanny,Basilio X. Santiago,Risa H. Wechsler,Joshua A. Frieman,Alistair R. Walker,P. Williams,E. Rozo,E. Rozo,Eli S. Rykoff,Anna B. A. Queiroz,E. Luque,A. Benoit-Lévy,Douglas L. Tucker,I. Sevilla,Robert A. Gruendl,L. N. da Costa,A. Fausti Neto,Marcio A. G. Maia,T. M. C. Abbott,S. Allam,S. Allam,Robert Armstrong,A. H. Bauer,Gary Bernstein,R. A. Bernstein,E. Bertin,David J. Brooks,E. Buckley-Geer,D. L. Burke,A. Carnero Rosell,Francisco J. Castander,R. Covarrubias,C. B. D'Andrea,Darren L. DePoy,Shantanu Desai,Shantanu Desai,H. T. Diehl,Tim Eifler,Tim Eifler,Juan Estrada,August E. Evrard,E. Fernandez,D. A. Finley,B. Flaugher,Enrique Gaztanaga,D. W. Gerdes,Léo Girardi,Michael D. Gladders,Daniel Gruen,G. Gutierrez,Jiangang Hao,K. Honscheid,Bhuvnesh Jain,David J. James,Steve Kent,Richard G. Kron,K. Kuehn,K. Kuehn,Nikolay Kuropatkin,Ofer Lahav,Tianjun Li,Huan Lin,Martin Makler,M. March,Jennifer L. Marshall,Paul Martini,K. W. Merritt,Christopher J. Miller,Ramon Miquel,Joseph J. Mohr,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Ricardo L. C. Ogando,John Peoples,Don Petravick,A. A. Plazas,A. A. Plazas,A. K. Romer,A. Roodman,M. Sako,E. J. Sanchez,V. Scarpine,Michael Schubnell,Robert Connon Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,Jon J Thaler,Daniel Thomas,W. C. Wester,Joe Zuntz +98 more
TL;DR: In this article, the discovery of eight new Milky Way companions in ~1,800 deg^2 of optical imaging data collected during the first year of the Dark Energy Survey (DES) is reported.
Journal ArticleDOI
Search for Gamma-Ray Emission from DES Dwarf Spheroidal Galaxy Candidates with Fermi-LAT Data
Alex Drlica-Wagner,Andrea Albert,Keith Bechtol,Matthew Wood,Louis E. Strigari,Miguel A. Sánchez-Conde,Luca Baldini,Rouven Essig,Johann Cohen-Tanugi,B Anderson,Ronaldo Bellazzini,Elliott D. Bloom,R Caputo,Claudia Cecchi,E. Charles,James Chiang,A. De Angelis,Stefan Funk,P. Fusco,F. Gargano,N. Giglietto,Francesco Giordano,Sylvain Guiriec,M. Gustafsson,M. Kuss,F. Loparco,P. Lubrano,Nestor Mirabal,Tsunefumi Mizuno,A. Morselli,T. Ohsugi,Elena Orlando,Massimo Persic,S. Rainò,Neelima Sehgal,F. Spada,D. J. Suson,G. Zaharijas,G. Zaharijas,Stephan Zimmer,T. M. C. Abbott,S. Allam,S. Allam,Eduardo Balbinot,AH Bauer,A. Benoit-Lévy,R. A. Bernstein,Gary Bernstein,E. Bertin,David J. Brooks,E. Buckley-Geer,D. L. Burke,A. Carnero Rosell,Francisco J. Castander,R. Covarrubias,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,H. T. Diehl,Carlos E. Cunha,Tim Eifler,Tim Eifler,Juan Estrada,August E. Evrard,A. Fausti Neto,E. Fernandez,E. Fernandez,D. A. Finley,B. Flaugher,Joshua A. Frieman,Joshua A. Frieman,Enrique Gaztanaga,D. W. Gerdes,Daniel Gruen,Robert A. Gruendl,Robert A. Gruendl,G. Gutierrez,K. Honscheid,Bhuvnesh Jain,David J. James,Tesla E. Jeltema,Steve Kent,Richard G. Kron,K. Kuehn,K. Kuehn,Nikolay Kuropatkin,Ofer Lahav,Tianjun Li,E. Luque,M. A. G. Maia,Martin Makler,M. March,Jennifer L. Marshall,Paul Martini,K. W. Merritt,Christopher J. Miller,Ramon Miquel,Ramon Miquel,Joseph J. Mohr,Eric H. Neilsen,Brian Nord,Ricardo L. C. Ogando,John Peoples,Don Petravick,Adriano Pieres,A. A. Plazas,A. A. Plazas,Anna B. A. Queiroz,A. K. Romer,A. Roodman,A. Roodman,Eli S. Rykoff,M. Sako,E. J. Sanchez,Basilio X. Santiago,Scarpine,Michael Schubnell,I. Sevilla,Robert Connon Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,J. J. Thaler,Daniel Thomas,Douglas L. Tucker,Alistair R. Walker,Risa H. Wechsler,Risa H. Wechsler,W. C. Wester,P Williams,Brian Yanny,Joe Zuntz +134 more
TL;DR: In this article, the authors search for gamma-ray emission coincident with the positions of these new objects in six years of Fermi Large Area Telescope data and find no significant excesses of gamma radiation emission.
Journal ArticleDOI
Stellar Kinematics and Metallicities in the Ultra-Faint Dwarf Galaxy Reticulum II
J. D. Simon,Alex Drlica-Wagner,Tianjun Li,Brian Nord,Marla Geha,Keith Bechtol,Eduardo Balbinot,E. Buckley-Geer,Huan Lin,Jennifer L. Marshall,Basilio X. Santiago,Louis E. Strigari,Mei-Yu Wang,Risa H. Wechsler,Risa H. Wechsler,Brian Yanny,T. M. C. Abbott,A. H. Bauer,Gary Bernstein,E. Bertin,David J. Brooks,D. L. Burke,D. L. Burke,Diego Capozzi,A. Carnero Rosell,M. Carrasco Kind,M. Carrasco Kind,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,H. T. Diehl,Scott Dodelson,Scott Dodelson,Carlos E. Cunha,Juan Estrada,August E. Evrard,A. Fausti Neto,E. Fernandez,D. A. Finley,B. Flaugher,Joshua A. Frieman,Joshua A. Frieman,Enrique Gaztanaga,D. W. Gerdes,Daniel Gruen,Robert A. Gruendl,Robert A. Gruendl,K. Honscheid,D. James,Steve Kent,Kyler Kuehn,N. Kuropatkin,Ofer Lahav,M. A. G. Maia,M. March,Paul Martini,Christopher J. Miller,Ramon Miquel,Ricardo L. C. Ogando,A. K. Romer,A. Roodman,A. Roodman,Eli S. Rykoff,Eli S. Rykoff,M. Sako,E. J. Sanchez,Michael Schubnell,I. Sevilla,Robert Connon Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,Jon J Thaler,Douglas L. Tucker,Vinu Vikram,Alistair R. Walker,W. C. Wester +79 more
TL;DR: The mass-to-light ratio of Ret II within its half-light radius is 470 +/- 210 Msun/Lsun, demonstrating that it is a strongly dark matter-dominated system as discussed by the authors.
Journal ArticleDOI
Constraints on the Richness-Mass Relation and the Optical-SZE Positional Offset Distribution for SZE-Selected Clusters
A. Saro,Sebastian Bocquet,Eduardo Rozo,Bradford Benson,Bradford Benson,Joseph J. Mohr,Eli S. Rykoff,Marcelle Soares-Santos,Lindsey Bleem,Scott Dodelson,Scott Dodelson,Peter Melchior,Flavia Sobreira,V. Upadhyay,Jochen Weller,T. M. C. Abbott,F. B. Abdalla,S. Allam,Robert Armstrong,M. Banerji,A. H. Bauer,Matthew B. Bayliss,A. Benoit-Lévy,Gary Bernstein,E. Bertin,Mark Brodwin,David J. Brooks,E. Buckley-Geer,D. L. Burke,John E. Carlstrom,R. Capasso,Diego Capozzi,A. Carnero Rosell,M. Carrasco Kind,I-Non Chiu,R. Covarrubias,T. M. Crawford,Martin Crocce,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,T. de Haan,T. de Haan,H. T. Diehl,J. P. Dietrich,Peter Doel,Carlos E. Cunha,Tim Eifler,Tim Eifler,August E. Evrard,A. Fausti Neto,E. Fernandez,B. Flaugher,Pablo Fosalba,Joshua A. Frieman,C. Gangkofner,Enrique Gaztanaga,D. W. Gerdes,Daniel Gruen,Robert A. Gruendl,Nikhel Gupta,C. Hennig,W. L. Holzapfel,K. Honscheid,Bhuvnesh Jain,David J. James,Kyler Kuehn,N. Kuropatkin,Ofer Lahav,Tianjun Li,Huan Lin,M. A. G. Maia,M. March,Jennifer L. Marshall,Paul Martini,Michael McDonald,Christopher J. Miller,Ramon Miquel,Brian Nord,Ricardo L. C. Ogando,A. A. Plazas,A. A. Plazas,Christian L. Reichardt,Christian L. Reichardt,A. K. Romer,A. Roodman,M. Sako,E. J. Sanchez,Michael Schubnell,I. Sevilla,Robert Connon Smith,B. Stalder,B. Stalder,Antony A. Stark,V. Strazzullo,E. Suchyta,M. E. C. Swanson,Gregory Tarle,J. J. Thaler,Daniel Thomas,Douglas L. Tucker,Vinu Vikram,A. von der Linden,A. von der Linden,Alistair R. Walker,Risa H. Wechsler,W. C. Wester,Alfredo Zenteno,K. E. Ziegler +109 more
TL;DR: In this article, the authors identify 25 clusters between 0.1 ≲ z ≲ 0.8 in the union of the SPT-SZ and redMaPPer (RM) samples.
Journal ArticleDOI
Wide-field lensing mass maps from Dark Energy Survey science verification data: Methodology and detailed analysis
Vinu Vikram,Vinu Vikram,Chihway Chang,Bhuvnesh Jain,David Bacon,Adam Amara,Matthew R. Becker,Gary Bernstein,C. Bonnett,Sarah Bridle,D. J. Brout,M. T. Busha,Joshua A. Frieman,Enrique Gaztanaga,William G. Hartley,Matt J. Jarvis,T. Kacprzak,A. Kovács,Ofer Lahav,Boris Leistedt,Huan Lin,Peter Melchior,Hiranya V. Peiris,Eduardo Rozo,Eli S. Rykoff,Carles Sanchez,Erin Sheldon,Michael Troxel,Risa H. Wechsler,Joe Zuntz,T. M. C. Abbott,F. B. Abdalla,Robert Armstrong,M. Banerji,A. H. Bauer,A. Benoit-Lévy,E. Bertin,David J. Brooks,E. Buckley-Geer,D. L. Burke,Diego Capozzi,A. Carnero Rosell,M. Carrasco Kind,Francisco J. Castander,Martin Crocce,Carlos Cunha,C. B. D'Andrea,L. N. da Costa,Darren L. DePoy,Shantanu Desai,H. T. Diehl,J. P. Dietrich,Juan Estrada,August E. Evrard,A. Fausti Neto,E. Fernandez,B. Flaugher,P. Fosalba,D. W. Gerdes,Daniel Gruen,Robert A. Gruendl,K. Honscheid,D. James,Steve Kent,Kyler Kuehn,N. Kuropatkin,Tianjun Li,M. A. G. Maia,Martin Makler,M. March,Jennifer L. Marshall,Paul Martini,K. W. Merritt,Christopher J. Miller,Ramon Miquel,Eric H. Neilsen,Robert C. Nichol,Brian Nord,Ricardo L. C. Ogando,A. A. Plazas,A. A. Plazas,A. K. Romer,A. Roodman,E. J. Sanchez,V. Scarpine,I. Sevilla,Robert Connon Smith,Marcelle Soares-Santos,Flavia Sobreira,E. Suchyta,M. E. C. Swanson,G. Tarle,J. J. Thaler,Daniel Thomas,Alistair R. Walker,Jochen Weller +95 more
TL;DR: A mass map reconstructed from weak gravitational lensing shear measurements over 139 deg2 from the Dark Energy Survey science verification data is presented, finding good agreement between the mass map and the distribution of massive galaxy clusters identified using a red-sequence cluster finder.