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The DOI matches its Crossref record; 199 of the 199 references it cites were found in a registry or an index.

A HIGHLY CONSISTENT FRAMEWORK FOR THE EVOLUTION OF THE STAR-FORMING “MAIN SEQUENCE” FROM z ∼ 0-6

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Speagle, J. S., Steinhardt, C. L., Capak, P. L., Silverman, J. D.·2014·The Astrophysical Journal Supplement Series

Abstract

Using a compilation of 25 studies from the literature, we investigate the evolution of the star-forming galaxy (SFG) Main Sequence (MS) in stellar mass and star formation rate (SFR) out to $z \sim 6$. After converting all observations to a common set of calibrations, we find a remarkable consensus among MS observations ($\sim 0.1$ dex 1$σ$ interpublication scatter). By fitting for time evolution of the MS in bins of constant mass, we deconvolve the observed scatter about the MS within each observed redshift bins. After accounting for observed scatter between different SFR indicators, we find the width of the MS distribution is $\sim 0.2$ dex and remains constant over cosmic time. Our best fits indicate the slope of the MS is likely time-dependent, with our best fit $\log\textrm{SFR}(M_*,t) = \left(0.84 \pm 0.02 - 0.026 \pm 0.003 \times t\right) \log M_* - \left(6.51 \pm 0.24 - 0.11 \pm 0.03 \times t\right)$, with $t$ the age of the Universe in Gyr. We use our fits to create empirical evolutionary tracks in order to constrain MS galaxy star formation histories (SFHs), finding that (1) the most accurate representations of MS SFHs are given by delayed-$τ$ models, (2) the decline in fractional stellar mass growth for a "typical" MS galaxy today is approximately linear for most of its lifetime, and (3) scatter about the MS can be generated by galaxies evolving along identical evolutionary tracks assuming an initial $1σ$ spread in formation times of $\sim 1.4$ Gyr.

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Metadata

Authors
Speagle, J. S., Steinhardt, C. L., Capak, P. L., & Silverman, J. D.
Venue
The Astrophysical Journal Supplement Series
Published
2014-09-18
Volume
214
Issue
2
Pages
15
ISSN
  • 0067-0049 (ISSN-L)
  • 1538-4365
OpenAlex
W2042356486
Cited by
1,646
References
199
FWCI
52.02
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A HIGHLY CONSISTENT FRAMEWORK FOR THE EVOLUTION OF THE STAR-FORMING “MAIN SEQUENCE” FROM z ∼ 0-6. https://app.cochat.ai/papers/10.1088/0067-0049/214/2/15
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Speagle, J. S., Steinhardt, C. L., Capak, P. L., & Silverman, J. D. (2014). A HIGHLY CONSISTENT FRAMEWORK FOR THE EVOLUTION OF THE STAR-FORMING “MAIN SEQUENCE” FROM z ∼ 0-6. The Astrophysical Journal Supplement Series. https://doi.org/10.1088/0067-0049/214/2/15

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