Discovery of Hydrogen Radio Recombination Lines at z = 0.89 toward PKS 1830-211

We report the detection of stimulated hydrogen radio recombination line (RRL) emission from ionized gas in a z = 0.89 galaxy using 580–1670 MHz observations from the MeerKAT Absorption Line Survey. The RRL emission originates in a galaxy that intercepts and strongly lenses the radio blazar PKS 1830−...

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Hlavní autoři:	Kimberly L. Emig, Neeraj Gupta, Pedro Salas, Sébastien Muller, Sergei A. Balashev, Françoise Combes, Emmanuel Momjian, Yiqing Song, Preshanth Jagannathan, Partha P. Deka, Gyula I. G. Józsa, Hans-Rainer Klöckner, Abhisek Mohapatra, Pasquier Noterdaeme, Patrick Petitjean, Raghunathan Srianand, Jonah D. Wagenveld
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	IOP Publishing 2023-01-01
Edice:	The Astrophysical Journal
Témata:	Quasar absorption line spectroscopy Radio galaxies Galaxies Radio spectroscopy Interstellar medium
On-line přístup:	https://doi.org/10.3847/1538-4357/acb49d
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