DESI Mg ii Absorbers: Extinction Characteristics and Quasar Redshift Accuracy

In this paper, we study how absorption-line systems affect the spectra and redshifts of quasi-stellar objects (QSOs), using catalogs of Mg ii absorbers from the early data release and first data release of the Dark Energy Spectroscopic Instrument. We determine the reddening effect of an absorption s...

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Detalhes bibliográficos
Publicado no:The Astronomical Journal
Principais autores: Lucas Napolitano, Adam D. Myers, Victoria A. Fawcett, Jessica Aguilar, Steven Ahlen, Davide Bianchi, David Brooks, Todd Claybaugh, Shaun Cole, Axel de la Macorra, Biprateep Dey, Andreu Font-Ribera, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Klaus Honscheid, Stephanie Juneau, Andrew Lambert, Martin Landriau, Laurent Le Guillou, Aaron Meisner, Ramon Miquel, John Moustakas, Jeffrey A. Newman, Francisco Prada, Ignasi Pérez-Ràfols, Graziano Rossi, Eusebio Sanchez, David Schlegel, Michael Schubnell, David Sprayberry, Gregory Tarlé, Benjamin Alan Weaver, Hu Zou
Formato: Artigo
Publicado em: IOP Publishing 2025-01-01
Assuntos:
Quasar absorption line spectroscopy
Extragalactic astronomy
Quasars
Large-scale structure of the universe
Observational cosmology
Intergalactic gas
Acesso em linha:https://doi.org/10.3847/1538-3881/adc389
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https://doi.org/10.3847/1538-3881/adc389

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