Dust Attenuation, Star Formation, and Metallicity in z ~ 2-3 Galaxies from KBSS-MOSFIRE

Abstract

We present a detailed analysis of 317 $2.0\le z\le 2.7$ star-forming galaxies from the Keck Baryonic Structure Survey (KBSS). Using complementary spectroscopic observations with Keck/LRIS and Keck/MOSFIRE, as well as spectral energy distribution (SED) fits to broadband photometry, we examine the joint rest-UV and rest-optical properties of the same galaxies, including stellar and nebular dust attenuation, metallicity, and star formation rate (SFR). The inferred parameters of the stellar population (reddening, age, SFR, and stellar mass) are strongly dependent on the details of the assumed stellar population model and the shape of the attenuation curve. Nebular reddening is generally larger than continuum reddening, but with large scatter. Compared to local galaxies, high-redshift galaxies have lower gas-phase metallicities (and/or higher nebular excitation) at fixed nebular reddening, and higher nebular reddening at fixed stellar mass, consistent with gas fractions that increase with redshift. We find that continuum reddening is correlated with $12+\log (\mathrm{O}/\mathrm{H}{)}_{O3N2}$ at $3.0\sigma$ significance, whereas nebular reddening is correlated with only $1.1\sigma$ significance. This may reflect the dependence of both continuum reddening and O3N2 on the shape of the ionizing radiation field produced by the massive stars. Finally, we show that H$\alpha$-based and SED-based estimates of SFR exhibit significant scatter relative to one another, and agree on average only for particular combinations of spectral synthesis models and attenuation curves. We find that the SMC extinction curve predicts consistent SFRs if we assume the sub-solar ($0.14Z_{\odot }$) binary star models that are favored for high-redshift galaxies.

arXiv comment24 pages, 17 figures, 4 tables. Resubmitted to ApJ following referee comments

References in corpus (71)

• Stellar population synthesis at the resolution of 2003
• The chemical composition of the Sun
• The Dust Content and Opacity of Actively Star-Forming Galaxies
• The Seventh Data Release of the Sloan Digital Sky Survey
• The Global Schmidt Law in Star Forming Galaxies
• Cosmic Star Formation History
• The Origin of the Mass--Metallicity Relation: Insights from 53,000 Star-Forming Galaxies in the SDSS
• Star Formation in the Milky Way and Nearby Galaxies
• Binary interaction dominates the evolution of massive stars
• [O III]/[N II] as an Abundance Indicator at High Redshift
• A Simple Model for the Absorption of Starlight by Dust in Galaxies
• Multiwavelength study of massive galaxies at z~2. I. Star formation and galaxy growth
• A Quantitative Comparison of SMC, LMC, and Milky Way UV to NIR Extinction Curves
• Dust Absorption And The Ultraviolet Luminosity Density At z \approx 3 As Calibrated By Local Starburst Galaxies
• A fundamental relation between mass, SFR and metallicity in local and high redshift galaxies
• The Structure and Kinematics of the Circum-Galactic Medium from Far-UV Spectra of z~2-3 Galaxies
• Physical Properties of Wolf-Rayet Stars
• High molecular gas fractions in normal massive star forming galaxies in the young Universe
• Binary Population and Spectral Synthesis Version 2.1: construction, observational verification and new results
• Nucleosynthesis Yields of Core-Collapse Supernovae and Hypernovae, and Galactic Chemical Evolution
• Strong Nebular Line Ratios in the Spectra of z~2-3 Star-forming Galaxies: First Results from KBSS-MOSFIRE
• A Survey of Star-Forming Galaxies in the z=1.4-2.5 `Redshift Desert': Overview
• Reevaluating Old Stellar Populations
• Dust Attenuation Curves in the Local Universe: Demographics and New Laws for Star-forming Galaxies and High-redshift Analogs
• The Interstellar Medium In Galaxies Seen A Billion Years After The Big Bang
• The MOSFIRE Deep Evolution Field (MOSDEF) Survey: Rest-Frame Optical Spectroscopy for ~1500 H-Selected Galaxies at 1.37 < z < 3.8
• The Effects of Stellar Rotation. II. A Comprehensive Set of Starburst99 Models
• Reconciling the Stellar and Nebular Spectra of High Redshift Galaxies
• H-alpha Observations of a Large Sample of Galaxies at z~2: Implications for Star Formation in High Redshift Galaxies
• Multi-wavelength Observations of Dusty Star Formation at Low and High Redshift
• The Dust Attenuation Law in Distant Galaxies: Evidence for Variation with Spectral Type
• Dust Obscuration and Metallicity at High Redshift: New Inferences from UV, H-alpha, and 8 Micron Observations of z~2 Star-Forming Galaxies
• The Gaseous Environment of High-z Galaxies: Precision Measurements of Neutral Hydrogen in the Circumgalactic Medium of z ~ 2-3 Galaxies in the Keck Baryonic Structure Survey
• Star Formation and Extinction in Redshift z~2 Galaxies: Inferences from Spitzer MIPS Observations
• The MOSDEF Survey: Electron Density and Ionization Parameter at $z\sim 2.3$
• UV to Mid-IR Observations of Star-forming Galaxies at z~2: Stellar Masses and Stellar Populations
• The Characteristic Star Formation Histories of Galaxies at Redshifts z~2-7
• The infrared side of galaxy formation. I. The local universe in the semi-analytical framework
• ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: The Infrared Excess of UV-selected z=2-10 galaxies as a function of UV-continuum Slope and Stellar Mass
• Dust extinction from Balmer decrements of star-forming galaxies at 0.75<z<1.5 with HST/WFC3 spectroscopy from the WISP survey
• Nebular Emission Line Ratios in z~2-3 Star-Forming Galaxies with KBSS-MOSFIRE: Exploring the Impact of Ionization, Excitation, and Nitrogen-to-Oxygen Ratio
• (Star)bursts of FIRE: observational signatures of bursty star formation in galaxies
• The FMOS-COSMOS survey of star-forming galaxies at z ~ 1.6. I. Hα-based star formation rates and dust extinction
• The Mass-Metallicity and Luminosity-Metallicity Relation from DEEP2 at z ~ 0.8
• GOODS-Herschel Measurements of the Dust Attenuation of Typical Star-Forming Galaxies at High Redshift: Observations of UV-Selected Galaxies at z~2
• Optical Selection of Galaxies at Redshifts 1<z<3
• The HDUV Survey: A Revised Assessment of the Relationship between UV Slope and Dust Attenuation for High-Redshift Galaxies
• Vigorous star formation with low efficiency in massive disk galaxies at z=1.5
• Modeling the Effects of Star Formation Histories on Halpha and Ultra-Violet Fluxes in Nearby Dwarf Galaxies
• Direct measurements of dust attenuation in z~1.5 star-forming galaxies from 3D-HST: Implications for dust geometry and star formation rates
• The Spectroscopic Properties of Lyα-Emitters at z $\approx$ 2.7: Escaping Gas and Photons from Faint Galaxies
• The MOSDEF Survey: Direct Observational Constraints on the Ionizing Photon Production Efficiency, ${\xi }_{\mathrm{ion}}$, at z~2
• Dust attenuation in 2<z<3 star-forming galaxies from deep ALMA observations of the Hubble Ultra Deep Field
• Measuring the Physical Conditions in High-Redshift Star-Forming Galaxies: Insights from KBSS-MOSFIRE
• The Connection Between Reddening, Gas Covering Fraction, and the Escape of Ionizing Radiation at High Redshift
• HerMES: dust attenuation and star formation activity in UV-selected samples from z~4 to z~1.5
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• The Column Density Distribution and Continuum Opacity of the Intergalactic and Circumgalactic Medium at Redshift <z>=2.4
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• The IRX-Beta Dust Attenuation Relation in Cosmological Galaxy Formation Simulations
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• Inferred Hα Flux as a Star-Formation Rate Indicator at z ~ 4-5: Implications for Dust Properties, Burstiness, and the z = 4-8 Star-Formation-Rate Functions
• X-Ray and Radio Emission from UV-Selected Star Forming Galaxies at Redshifts 1.5<Z<3.0 in the GOODS-North Field
• Dissecting the IRX - $\beta$ dust attenuation relation: exploring the physical origin of observed variations in galaxies
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• The UV to FIR spectral energy distribution of star-forming galaxies in the redshift desert

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