Zobrazeno 1 - 10
of 204
pro vyhledávání: '"Satya Gontcho"'
Autor:
Boryana Hadzhiyska, Martin J. White, Xinyi Chen, Lehman H. Garrison, Joseph DeRose, Nikhil Padmanabhan, Cristhian Garcia-Quintero, Juan Mena-Fernández, Shi-Fan Chen, Hee-Jong Seo, Patrick McDonald, Jessica Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Axel de la Macorra, Peter Doel, Andreu Font-Ribera, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Anthony Kremin, Martin Landriau, Marc Manera, Ramon Miquel, Jundan Nie, Nathalie Palanque-Delabrouille, Mehdi Rezaie, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, Gregory Tarlé, Zhimin Zhou
Publikováno v:
The Open Journal of Astrophysics, Vol 6 (2023)
In order to address fundamental questions related to the expansion history of the Universe and its primordial nature with the next generation of galaxy experiments, we need to model reliably large-scale structure observables such as the correlation f
Externí odkaz:
https://doaj.org/article/e63c881127604dfa9e2259eee76ffb82
Autor:
Timothy N. Miller, Peter Doel, Gaston Gutierrez, Robert Besuner, David Brooks, Giuseppe Gallo, Henry Heetderks, Patrick Jelinsky, Stephen M. Kent, Michael Lampton, Michael E. Levi, Ming Liang, Aaron Meisner, Michael J. Sholl, Joseph Harry Silber, David Sprayberry, Jessica Nicole Aguilar, Axel de la Macorra, Daniel Eisenstein, Kevin Fanning, Andreu Font-Ribera, Enrique Gaztañaga, Satya Gontcho A Gontcho, Klaus Honscheid, Jorge Jimenez, Dick Joyce, Robert Kehoe, Theodore Kisner, Anthony Kremin, Martin Landriau, Laurent Le Guillou, Christophe Magneville, Paul Martini, Ramon Miquel, John Moustakas, Jundan Nie, Will Percival, Claire Poppett, Francisco Prada, Graziano Rossi, David Schlegel, Michael Schubnell, Hee-Jong Seo, Ray Sharples, Gregory Tarlé, Mariana Vargas-Magaña, Zhimin Zhou, the DESI Collaboration
Publikováno v:
The Astronomical Journal, Vol 168, Iss 2, p 95 (2024)
The Dark Energy Spectroscopic Instrument (DESI) is currently measuring the spectra of 40 million galaxies and quasars, the largest such survey ever made to probe the nature of cosmological dark energy. The 4 m Mayall telescope at Kitt Peak National O
Externí odkaz:
https://doaj.org/article/b3fbf7400914497ea1f219a4974ec686
Autor:
Linhua Jiang, Zhiwei Pan, Jessica Nicole Aguilar, Steven Ahlen, Robert Blum, David Brooks, Todd Claybaugh, Axel de la Macorra, Arjun Dey, Peter Doel, Kevin Fanning, Simone Ferraro, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Klaus Honscheid, Stephanie Juneau, Martin Landriau, Laurent Le Guillou, Michael Levi, Marc Manera, Ramon Miquel, John Moustakas, Eva-Maria Mueller, Andrea Muñoz-Gutiérrez, Adam Myers, Jundan Nie, Gustavo Niz, Claire Poppett, Francisco Prada, Mehdi Rezaie, Graziano Rossi, Eusebio Sanchez, Edward Schlafly, Michael Schubnell, Hee-Jong Seo, David Sprayberry, Gregory Tarlé, Benjamin Alan Weaver, Hu Zou, The DESI Collaboration
Publikováno v:
The Astrophysical Journal, Vol 968, Iss 2, p 120 (2024)
We present strong constraints on the spacetime variation of the fine-structure constant α using the Dark Energy Spectroscopic Instrument (DESI). In this pilot work, we utilize ∼110,000 galaxies with strong and narrow [O iii ] λ λ 4959, 5007 emis
Externí odkaz:
https://doaj.org/article/65c3ca715f49425e9543e34b7872d607
Autor:
Alan N. Pearl, Andrew R. Zentner, Jeffrey A. Newman, Rachel Bezanson, Kuan Wang, John Moustakas, Jessica N. Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Shaun Cole, Kyle Dawson, Axel de la Macorra, Peter Doel, Jamie E. Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Martin Landriau, Marc Manera, Paul Martini, Aaron Meisner, Ramon Miquel, Jundan Nie, Will Percival, Francisco Prada, Mehdi Rezaie, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, Gregory Tarlé, Benjamin A. Weaver, Zhimin Zhou
Publikováno v:
The Astrophysical Journal, Vol 963, Iss 2, p 116 (2024)
We explore the galaxy-halo connection information that is available in low-redshift samples from the early data release of the Dark Energy Spectroscopic Instrument (DESI). We model the halo occupation distribution (HOD) from z = 0.1 to 0.3 using Surv
Externí odkaz:
https://doaj.org/article/7149a6ab1f2c4a6d80b9cbca866b6165
Autor:
ChangHoon Hahn, Jessica Nicole Aguilar, Shadab Alam, Steven Ahlen, David Brooks, Shaun Cole, Axel de la Macorra, Peter Doel, Andreu A. Font-Ribera, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Song Huang, Theodore Kisner, Anthony Kremin, Martin Landriau, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Jundan Nie, Claire Poppett, Graziano Rossi, Amélie Saintonge, Eusebio Sanchez, Christoph Saulder, Michael Schubnell, Hee-Jong Seo, Małgorzata Siudek, Federico Speranza, Gregory Tarlé, Benjamin A. Weaver, Risa H. Wechsler, Sihan Yuan, Zhimin Zhou, Hu Zou
Publikováno v:
The Astrophysical Journal, Vol 963, Iss 1, p 56 (2024)
We present the probabilistic stellar mass function (pSMF) of galaxies in the DESI Bright Galaxy Survey (BGS), observed during the One-percent Survey. The One-percent Survey was one of DESI’s survey validation programs conducted from 2021 April to M
Externí odkaz:
https://doaj.org/article/a243d178fc194ca4b8b881726ab4d640
Autor:
Wei-Jian Guo, Hu Zou, Victoria A. Fawcett, Rebecca Canning, Stephanie Juneau, Tamara M. Davis, David M. Alexander, Linhua Jiang, Jessica Nicole Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Axel de la Macorra, Peter Doel, Kevin Fanning, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Theodore Kisner, Anthony Kremin, Martin Landriau, Aaron Meisner, Ramon Miquel, John Moustakas, Jundan Nie, Zhiwei Pan, Claire Poppett, Francisco Prada, Mehdi Rezaie, Graziano Rossi, Małgorzata Siudek, Eusebio Sanchez, Michael Schubnell, Hee-Jong Seo, Jipeng Sui, Gregory Tarlé, Zhimin Zhou
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 270, Iss 2, p 26 (2024)
Changing-look active galactic nuclei (CL AGNs) can be generally confirmed by the emergence (turn-on) or disappearance (turn-off) of broad emission lines (BELs), associated with a transient timescale (about 100 ∼ 5000 days) that is much shorter than
Externí odkaz:
https://doaj.org/article/459568fc8d414143b7803a4f67416938
Autor:
Hongyu Gao, Y. P. Jing, Kun Xu, Donghai Zhao, Shanquan Gui, Yun Zheng, Xiaolin Luo, Jessica Nicole Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Shaun Cole, Axel de la Macorra, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Mustapha Ishak, Andrew Lambert, Martin Landriau, Marc Manera, Aaron Meisner, Ramon Miquel, Jundan Nie, Mehdi Rezaie, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, Hee-Jong Seo, Gregory Tarlé, Benjamin Alan Weaver, Zhimin Zhou
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 1, p 74 (2024)
Galactic conformity is the phenomenon whereby a galaxy of a certain physical property is correlated with its neighbors of the same property, implying a possible causal relationship. The observed auto correlations of emission-line galaxies (ELGs) from
Externí odkaz:
https://doaj.org/article/16006563d7b3406ab36aafef426f7e9a
Autor:
David J. Setton, Biprateep Dey, Gourav Khullar, Rachel Bezanson, Jeffrey A. Newman, Jessica N. Aguilar, Steven Ahlen, Brett H. Andrews, David Brooks, Axel de la Macorra, Arjun Dey, Sarah Eftekharzadeh, Andreu Font-Ribera, Satya Gontcho A Gontcho, Anthony Kremin, Stephanie Juneau, Martin Landriau, Aaron Meisner, Ramon Miquel, John Moustakas, Alan Pearl, Francisco Prada, Gregory Tarlé, Małgorzata Siudek, Benjamin Alan Weaver, Zhimin Zhou, Hu Zou
Publikováno v:
The Astrophysical Journal Letters, Vol 947, Iss 2, p L31 (2023)
We utilize ∼17,000 bright luminous red galaxies (LRGs) from the novel Dark Energy Spectroscopic Instrument Survey Validation spectroscopic sample, leveraging its deep (∼2.5 hr galaxy ^−1 exposure time) spectra to characterize the contribution o
Externí odkaz:
https://doaj.org/article/41f36c3abd5946f997494f62a16b0c24
Autor:
Qu, Frank J., Hang, Qianjun, Farren, Gerrit, Bolliet, Boris, Aguilar, Jessica Nicole, Ahlen, Steven, Alam, Shadab, Brooks, David, Cai, Yan-Chuan, Calabrese, Erminia, Claybaugh, Todd, de la Macorra, Axel, Devlin, Mark J., Doel, Peter, Embil-Villagra, Carmen, Ferraro, Simone, Font-Ribera, Andreu, Forero-Romero, Jaime E., Gaztañaga, Enrique, Gluscevic, Vera, Gontcho, Satya Gontcho A, Gutierrez, Gaston, Howlett, Cullan, Kehoe, Robert, Kim, Joshua, Kremin, Anthony, Lambert, Andrew, Landriau, Martin, Guillou, Laurent Le, Levi, Michael, Louis, Thibaut, Meisner, Aaron, Miquel, Ramon, Moustakas, John, Newman, Jeffrey A., Niz, Gustavo, Peacock, John, Percival, Will, Poppett, Claire, Prada, Francisco, Pérez-Ràfols, Ignasi, Rossi, Graziano, Sanchez, Eusebio, Schlegel, David, Sehgal, Neelima, Shaikh, Shabbir, Sherwin, Blake, Sifón, Cristóbal, Schubnell, Michael, Sprayberry, David, Tarlé, Gregory, Weaver, Benjamin Alan, Wollack, Edward J., Zou, Hu
We measure the growth of cosmic density fluctuations on large scales and across the redshift range $0.3
Externí odkaz:
http://arxiv.org/abs/2410.10808
Autor:
Byström, Amanda, Koposov, Sergey E., Lilleengen, Sophia, Li, Ting S., Bell, Eric, Silva, Leandro Beraldo e, Carrillo, Andreia, Chandra, Vedant, Gnedin, Oleg Y., Han, Jiwon Jesse, Medina, Gustavo E., Najita, Joan, Riley, Alexander H., Thomas, Guillaume, Valluri, Monica, Aguilar, Jessica N., Ahlen, Steven, Prieto, Carlos Allende, Brooks, David, Claybaugh, Todd, Cole, Shaun, Dawson, Kyle, de la Macorra, Axel, Font-Ribera, Andreu, Forero-Romero, Jaime E., Gaztañaga, Enrique, Gontcho, Satya Gontcho A, Kremin, Anthony, Lambert, Andrew, Landriau, Martin, Guillou, Laurent Le, Levi, Michael E., Meisner, Aaron, Miquel, Ramon, Moustakas, John, Prada, Francisco, Pérez-Ràfols, Ignasi, Rossi, Graziano, Sanchez, Eusebio, Schlegel, David, Schubnell, Michael, Sprayberry, David, Tarlé, Gregory, Weaver, Benjamin A., Zou, Hu
The Large Magellanic Cloud (LMC) is a Milky Way (MW) satellite that is massive enough to gravitationally attract the MW disc and inner halo, causing significant motion of the inner MW with respect to the outer halo. In this work, we probe this intera
Externí odkaz:
http://arxiv.org/abs/2410.09149