Search Results - Joshua D. Simon
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Spectroscopic Analysis of Milky Way Outer Halo Satellites: Aquarius II and Boötes II by Jordan Bruce, Ting S. Li, Andrew B. Pace, Mairead Heiger, Ying-Yi Song, Joshua D. Simon
Published in The Astrophysical Journal (2023-01-01)Get full text
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Signatures of Tidal Disruption of the Hercules Ultrafaint Dwarf Galaxy by Xiaowei Ou, Anirudh Chiti, Nora Shipp, Joshua D. Simon, Marla Geha, Anna Frebel, Mohammad K. Mardini, Denis Erkal, Lina Necib
Published in The Astrophysical Journal (2024-01-01)Get full text
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Chemical Diversity on Small Scales: Abundance Analysis of the Tucana V Ultrafaint Dwarf Galaxy by Terese T. Hansen, Joshua D. Simon, Ting S. Li, Domani Sharkey, Alexander P. Ji, Ian B. Thompson, Henrique M. Reggiani, Jhon Yana Galarza
Published in The Astrophysical Journal (2024-01-01)Get full text
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Detailed Chemical Abundances of Stars in the Outskirts of the Tucana II Ultrafaint Dwarf Galaxy by Anirudh Chiti, Anna Frebel, Alexander P. Ji, Mohammad K. Mardini, Xiaowei Ou, Joshua D. Simon, Helmut Jerjen, Dongwon Kim, John E. Norris
Published in The Astronomical Journal (2023-01-01)Get full text
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Detailed Abundances of the Planet-hosting TOI-1173 A/B System: Possible Evidence of Planet Engulfment in a Very Wide Binary by Jhon Yana Galarza, Henrique Reggiani, Thiago Ferreira, Diego Lorenzo-Oliveira, Joshua D. Simon, Andrew McWilliam, Kevin C. Schlaufman, Paula Miquelarena, Matias Flores Trivigno, Marcelo Jaque Arancibia
Published in The Astrophysical Journal (2024-01-01)Get full text
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TOI-1173 A b: The First Inflated Super-Neptune in a Wide Binary System by Jhon Yana Galarza, Thiago Ferreira, Diego Lorenzo-Oliveira, Joshua D. Simon, Henrique Reggiani, Anthony L. Piro, R. Paul Butler, Yuri Netto, Adriana Valio, David R. Ciardi, Boris Safonov
Published in The Astronomical Journal (2024-01-01)Get full text
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Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies? by Joshua D. Simon, Ting S. Li, Alexander P. Ji, Andrew B. Pace, Terese T. Hansen, William Cerny, Ivanna Escala, Sergey E. Koposov, Alex Drlica-Wagner, Sidney Mau, Evan N. Kirby
Published in The Astrophysical Journal (2024-01-01)Get full text
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HIP 8522: A Puzzling Young Solar Twin with the Lowest Detected Lithium Abundance by Jhon Yana Galarza, Diego Lorenzo-Oliveira, Thiago Ferreira, Henrique Reggiani, Aida Behmard, Joshua D. Simon, Eder Martioli, Ricardo López-Valdivia, Leandro de Almeida, Emiliano Jofré, Kareem El-Badry
Published in The Astrophysical Journal (2025-01-01)Get full text
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Metal Mixing in the r-process Enhanced Ultrafaint Dwarf Galaxy Reticulum II by Alexander P. Ji, Joshua D. Simon, Ian U. Roederer, Ekaterina Magg, Anna Frebel, Christian I. Johnson, Ralf S. Klessen, Mattis Magg, Gabriele Cescutti, Mario Mateo, Maria Bergemann, John I. Bailey III
Published in The Astronomical Journal (2023-01-01)Get full text
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A Noninteracting Galactic Black Hole Candidate in a Binary System with a Main-sequence Star by Sukanya Chakrabarti, Joshua D. Simon, Peter A. Craig, Henrique Reggiani, Timothy D. Brandt, Puragra Guhathakurta, Paul A. Dalba, Evan N. Kirby, Philip Chang, Daniel R. Hey, Alessandro Savino, Marla Geha, Ian B. Thompson
Published in The Astronomical Journal (2023-01-01)Get full text
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A 1.9 solar-mass neutron star candidate in a 2-year orbit by Kareem El-Badry, Joshua D. Simon, Henrique Reggiani, Hans-Walter Rix, David W. Latham, Allyson Bieryla, Lars A. Buchhave, Sahar Shahaf, Tsevi Mazeh, Sukanya Chakrabarti, Puragra Guhathakurta, Ilya V. Ilyin, Thomas M. Tauris
Published in The Open Journal of Astrophysics (2024-04-01)Get full text
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The Faint Satellite System of NGC 253: Insights into Low-density Environments and No Satellite Plane by Burçin Mutlu-Pakdil, David J. Sand, Denija Crnojević, Paul Bennet, Michael G. Jones, Kristine Spekkens, Ananthan Karunakaran, Dennis Zaritsky, Nelson Caldwell, Catherine E. Fielder, Puragra Guhathakurta, Anil C. Seth, Joshua D. Simon, Jay Strader, Elisa Toloba
Published in The Astrophysical Journal (2024-01-01)Get full text
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Deep Hubble Space Telescope Photometry of Large Magellanic Cloud and Milky Way Ultrafaint Dwarfs: A Careful Look into the Magnitude–Size Relation by Hannah Richstein, Nitya Kallivayalil, Joshua D. Simon, Christopher T. Garling, Andrew Wetzel, Jack T. Warfield, Roeland P. van der Marel, Myoungwon Jeon, Jonah C. Rose, Paul Torrey, Anna Claire Engelhardt, Gurtina Besla, Yumi Choi, Marla Geha, Puragra Guhathakurta, Evan N. Kirby, Ekta Patel, Elena Sacchi, Sangmo Tony Sohn
Published in The Astrophysical Journal (2024-01-01)Get full text
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The Hubble Space Telescope Survey of M31 Satellite Galaxies. II. The Star Formation Histories of Ultrafaint Dwarf Galaxies by Alessandro Savino, Daniel R. Weisz, Evan D. Skillman, Andrew Dolphin, Andrew A. Cole, Nitya Kallivayalil, Andrew Wetzel, Jay Anderson, Gurtina Besla, Michael Boylan-Kolchin, Thomas M. Brown, James S. Bullock, Michelle L. M. Collins, M. C. Cooper, Alis J. Deason, Aaron L. Dotter, Mark Fardal, Annette M. N. Ferguson, Tobias K. Fritz, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Rodrigo Ibata, Michael J. Irwin, Myoungwon Jeon, Evan N. Kirby, Geraint F. Lewis, Dougal Mackey, Steven R. Majewski, Nicolas Martin, Alan McConnachie, Ekta Patel, R. Michael Rich, Joshua D. Simon, Sangmo Tony Sohn, Erik J. Tollerud, Roeland P. van der Marel
Published in The Astrophysical Journal (2023-01-01)Get full text
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The Hubble Space Telescope Survey of M31 Satellite Galaxies. IV. Survey Overview and Lifetime Star Formation Histories by Alessandro Savino, Daniel R. Weisz, Andrew E. Dolphin, Meredith J. Durbin, Nitya Kallivayalil, Andrew Wetzel, Jay Anderson, Gurtina Besla, Michael Boylan-Kolchin, Thomas M. Brown, James S. Bullock, Andrew A. Cole, Michelle L. M. Collins, M. C. Cooper, Alis J. Deason, Aaron L. Dotter, Mark Fardal, Annette M. N. Ferguson, Tobias K. Fritz, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Rodrigo Ibata, Michael J. Irwin, Myoungwon Jeon, Evan N. Kirby, Geraint F. Lewis, Dougal Mackey, Steven R. Majewski, Nicolas Martin, Alan McConnachie, Ekta Patel, R. Michael Rich, Evan D. Skillman, Joshua D. Simon, Sangmo Tony Sohn, Erik J. Tollerud, Roeland P. van der Marel
Published in The Astrophysical Journal (2025-01-01)Get full text
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Timing the r-process Enrichment of the Ultra-faint Dwarf Galaxy Reticulum II by Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil, Alexander P. Ji, Alex Drlica-Wagner, Roberto J. Avila, Clara E. Martínez-Vázquez, Ting S. Li, Eduardo Balbinot, Keith Bechtol, Anna Frebel, Marla Geha, Terese T. Hansen, David J. James, Andrew B. Pace, M. Aguena, O. Alves, F. Andrade-Oliveira, J. Annis, D. Bacon, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Costanzi, L. N. da Costa, J. De Vicente, S. Desai, P. Doel, S. Everett, I. Ferrero, J. Frieman, J. García-Bellido, M. Gatti, D. W. Gerdes, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, S. R. Hinton, D. L. Hollowood, K. Honscheid, K. Kuehn, N. Kuropatkin, J. L. Marshall, J. Mena-Fernández, R. Miquel, A. Palmese, F. Paz-Chinchón, M. E. S. Pereira, A. Pieres, A. A. Plazas Malagón, M. Raveri, M. Rodriguez-Monroy, E. Sanchez, B. Santiago, V. Scarpine, I. Sevilla-Noarbe, M. Smith, E. Suchyta, M. E. C. Swanson, G. Tarle, C. To, M. Vincenzi, N. Weaverdyck, R. D. Wilkinson
Published in The Astrophysical Journal (2023-01-01)Get full text
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