The UV-brightest Lyman continuum emitting star-forming galaxy

The UV-brightest Lyman continuum emitting star-forming galaxy

ABSTRACT We report the discovery of J0121+0025, an extremely luminous and young star-forming galaxy (MUV = −24.11, log[$L_{\rm Ly \alpha } / \rm erg~s^{-1}] = 43.8$) at z = 3.244 showing copious Lyman continuum (LyC) leakage ($f_{\rm esc, abs} \approx 40{{\ \rm per\ cent}}$). High signal-to-noise ra...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2021-10, Vol.507 (1), p.524-538
Hauptverfasser: Marques-Chaves, R, Schaerer, D, Álvarez-Márquez, J, Colina, L, Dessauges-Zavadsky, M, Pérez-Fournon, I, Saldana-Lopez, A, Verhamme, A
Format: Artikel
Sprache:eng
Schlagworte:
Active galactic nuclei
Emission
Emitters
Flux density
Galaxies
Interstellar gas
Interstellar matter
Ionization
Photosphere
Signal to noise ratio
Spectral energy distribution
Star formation
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Zusammenfassung:ABSTRACT We report the discovery of J0121+0025, an extremely luminous and young star-forming galaxy (MUV = −24.11, log[$L_{\rm Ly \alpha } / \rm erg~s^{-1}] = 43.8$) at z = 3.244 showing copious Lyman continuum (LyC) leakage ($f_{\rm esc, abs} \approx 40{{\ \rm per\ cent}}$). High signal-to-noise ratio rest-frame UV spectroscopy with the Gran Telescopio Canarias reveals a high significance (7.9σ) emission below the Lyman limit (
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stab2187