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Cited by 328

The DOI matches its Crossref record; 82 of the 82 references it cites were found in a registry or an index.

THE EVOLUTION OF THE GALAXY STELLAR MASS FUNCTION AT z = 4–8: A STEEPENING LOW-MASS-END SLOPE WITH INCREASING REDSHIFT

Open access
Song, Mimi, Finkelstein, Steven L., Ashby, Matthew L. N., Grazian, A., Lu, Yu, Papovich, Casey, Salmon, Brett, Somerville, Rachel S., Dickinson, Mark, Duncan, K., Faber, Sandy M., Fazio, Giovanni G., Ferguson, Henry C., Fontana, Adriano, Guo, Yicheng, Hathi, Nimish, Lee, Seong-Kook, Merlin, Emiliano, Willner, S. P.·2016·The Astrophysical Journal
DOI 10.3847/0004-637x/825/1/5
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Abstract

We present galaxy stellar mass functions (GSMFs) at z = 4–8 from a rest-frame ultraviolet (UV) selected sample of ∼4500 galaxies, found via photometric redshifts over an area of ∼280 arcmin 2 in the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)/Great Observatories Origins Deep Survey (GOODS) fields and the Hubble Ultra Deep Field. The deepest Spitzer/IRAC data to date and the relatively large volume allow us to place a better constraint at both the low- and high-mass ends of the GSMFs compared to previous space-based studies from pre-CANDELS observations. Supplemented by a stacking analysis, we find a linear correlation between the rest-frame UV absolute magnitude at 1500 Å ( ) and logarithmic stellar mass ( ) that holds for galaxies with . We use simulations to validate our method of measuring the slope of the –M UV relation, finding that the bias is minimized with a hybrid technique combining photometry of individual bright galaxies with stacked photometry for faint galaxies. The resultant measured slopes do not significantly evolve over z = 4–8, while the normalization of the trend exhibits a weak evolution toward lower masses at higher redshift. We combine the –M UV distribution with observed rest-frame UV luminosity functions at each redshift to derive the GSMFs, finding that the low-mass-end slope becomes steeper with increasing redshift from at z = 4 to at z = 8. The inferred stellar mass density, when integrated over –10 13 M ⊙, increases by a factor of between z = 7 and z = 4 and is in good agreement with the time integral of the cosmic star formation rate density.

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Metadata

Authors
Song, M., Finkelstein, S. L., Ashby, M. L. N., Grazian, A., Lu, Y., Papovich, C., Salmon, B., Somerville, R. S., Dickinson, M., Duncan, K., Faber, S. M., Fazio, G. G., Ferguson, H. C., Fontana, A., Guo, Y., Hathi, N., Lee, S.-K., Merlin, E., & Willner, S. P.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
2016-06-24
Volume
825
Issue
1
Pages
5
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.3847/0004-637x/825/1/5
OpenAlex
W3102670554
Cited by
328
References
82
FWCI
16.60
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: THE EVOLUTION OF THE GALAXY STELLAR MASS FUNCTION AT z = 4–8: A STEEPENING LOW-MASS-END SLOPE WITH INCREASING REDSHIFT. https://app.cochat.ai/papers/10.3847/0004-637x/825/1/5
The paper
Song, M., Finkelstein, S. L., Ashby, M. L. N., Grazian, A., Lu, Y., Papovich, C., Salmon, B., Somerville, R. S., Dickinson, M., Duncan, K., Faber, S. M., Fazio, G. G., Ferguson, H. C., Fontana, A., Guo, Y., Hathi, N., Lee, S.-K., Merlin, E., & Willner, S. P. (2016). THE EVOLUTION OF THE GALAXY STELLAR MASS FUNCTION AT z = 4–8: A STEEPENING LOW-MASS-END SLOPE WITH INCREASING REDSHIFT. The Astrophysical Journal. https://doi.org/10.3847/0004-637x/825/1/5

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.