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Infalling gas in a Lyman-alpha blob

Ao, Y; Zheng, Z.; Henkel, C; Nie, Shiyu; Beelen, A; Cen, R; Dijkstra, Mark; Francis, Paul; Geach, J. E.; Lehnert, Matthew; Kohno, Kotaro; Menten, K M; Wang, Junzhi; Weiss, A


Lyman-α blobs (LABs) are spatially extended nebulae of emission in the Lyman-α (Lyα) line of hydrogen, seen at high redshifts1,2, and most commonly found in the dense environment of star-forming galaxies3,4. A recent study showed that nearly 100% of the sky is covered by Lyα emission around high-redshift galaxies5,6,7. The origin of Lyα emission in the LABs is still unclear and under debate8. It may be powered by photoionization involving galactic superwinds/outflows, resonant scattering of Lyα...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Nature Astronomy
DOI: 10.1038/s41550-020-1033-3


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