Matches in SemOpenAlex for { <https://semopenalex.org/work/W3023040771> ?p ?o ?g. }
- W3023040771 endingPage "45" @default.
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- W3023040771 abstract "To understand how strong emission-line galaxies (SELGs) contribute to the overall growth of galaxies and star formation history of the universe, we target SELGs from the ZFOURGE imaging survey that have blended Hβ+[O iii] rest-frame equivalent widths of >230 Å and 2.5 < < 4.0. Using Keck/MOSFIRE, we measure 49 redshifts for galaxies brighter than Ks = 25 mag as part of our Multi-Object Spectroscopic Emission Line (MOSEL) survey. Our spectroscopic success rate is ∼53% and uncertainty is = [Δz/(1+z)] = 0.0135. We confirm 31 ELGs at , and show that SELGs have spectroscopic rest-frame [O iii]5007 Å equivalent widths of 100–500 Å and tend to be lower-mass systems [ ∼ 8.2–9.6] compared with more typical star-forming galaxies. The SELGs lie ∼0.9 dex above the star-forming main sequence at z ∼ 3.5 and have high inferred gas fractions of ≳ 60%, i.e., the inferred gas masses can easily fuel a starburst to double stellar masses within ∼10–100 Myr. Combined with recent results using ZFOURGE, our analysis indicates that (1) strong [O iii]5007 Å emission signals an early episode of intense stellar growth in low-mass [] galaxies and (2) many, if not most, galaxies at z > 3 go through this starburst phase. If true, low-mass galaxies with strong [O iii]5007 Å emission (EWrest > 200 Å) may be an increasingly important source of ionizing UV radiation at z > 3." @default.
- W3023040771 created "2020-05-13" @default.
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- W3023040771 date "2020-07-21" @default.
- W3023040771 modified "2023-10-18" @default.
- W3023040771 title "<tt>MOSEL:</tt> Strong [Oiii] 5007 Å Emitting Galaxies at (3 < <i>z</i> < 4) from the <tt>ZFOURGE</tt> Survey" @default.
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