Matches in SemOpenAlex for { <https://semopenalex.org/work/W3101837377> ?p ?o ?g. }
- W3101837377 endingPage "9" @default.
- W3101837377 startingPage "9" @default.
- W3101837377 abstract "The size, mass, luminosity, and space density of Lyman-alpha emitting (LAE) galaxies observed at intermediate to high redshift agree with expectations for the properties of galaxies that formed metal-poor halo globular clusters (GCs). The low metallicity of these clusters is the result of their formation in low-mass galaxies. Metal-poor GCs could enter spiral galaxies along with their dwarf galaxy hosts, unlike metal-rich GCs which form in the spirals themselves. Considering an initial GC mass larger than the current mass to account for multiple stellar populations, and considering the additional clusters that are likely to form with massive clusters, we estimate that each GC with a mass today greater than 2x10^5 Msun was likely to have formed among a total stellar mass ~3x10^7 Msun, a molecular mass ~10^9 Msun, and 10^7 to 10^9 Msun of older stars, depending on the relative gas fraction. The star formation rate would have been several Msun/yr lasting for ~10^7 yrs, and the Lyman-alpha luminosity would have been ~10^42 erg/s. Integrating the LAE galaxy luminosity function above this minimum, considering the average escape probability for Lyalpha photons (25%), and then dividing by the probability that a dwarf galaxy is observed in the LAE phase (0.4%), we find agreement between the co-moving space density of LAEs and the average space density of metal-poor globular clusters today. The local galaxy WLM, with its early starburst and old GC, could be an LAE remnant that did not get into a galaxy halo because of its remote location." @default.
- W3101837377 created "2020-11-23" @default.
- W3101837377 creator A5007488473 @default.
- W3101837377 creator A5034838591 @default.
- W3101837377 creator A5042422536 @default.
- W3101837377 date "2012-08-28" @default.
- W3101837377 modified "2023-10-14" @default.
- W3101837377 title "FORMATION OF METAL-POOR GLOBULAR CLUSTERS IN Lyα EMITTING GALAXIES IN THE EARLY UNIVERSE" @default.
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