Search Results - "Song, Mimi"
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1
On the Stellar Populations of Galaxies at z = 9–11: The Growth of Metals and Stellar Mass at Early Times
Published in The Astrophysical journal (01-03-2022)“…We present a detailed stellar population analysis of 11 bright (H < 26.6) galaxies at z=9−11 (three spectroscopically confirmed) to constrain the chemical…”
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2
THE EVOLUTION OF THE GALAXY REST-FRAME ULTRAVIOLET LUMINOSITY FUNCTION OVER THE FIRST TWO BILLION YEARS
Published in The Astrophysical journal (01-09-2015)“…ABSTRACT We present a robust measurement and analysis of the rest-frame ultraviolet (UV) luminosity functions at z = 4-8. We use deep Hubble Space Telescope…”
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3
Near-infrared Spectroscopy of Galaxies During Reionization: Measuring C iii] in a Galaxy at z = 7.5
Published in The Astrophysical journal (10-07-2019)“…We present Keck/MOSFIRE H-band spectroscopy targeting C iii] λ1907, 1909 in a z = 7.5056 galaxy previously identified via Ly emission. We detect strong line…”
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4
The VIRUS-P Exploration of Nearby Galaxies (VENGA): spatially resolved gas-phase metallicity distributions in barred and unbarred spirals
Published in Monthly notices of the Royal Astronomical Society (21-10-2016)“…We present a study of the excitation conditions and metallicity of ionized gas (Z gas) in eight nearby barred and unbarred spiral galaxies from the VIRUS-P…”
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5
Bright z ∼ 9 Galaxies in Parallel: The Bright End of the Rest-frame UV Luminosity Function from HST Parallel Programs
Published in The Astrophysical journal (01-02-2024)“…Abstract The abundance of bright galaxies at z > 8 can provide key constraints on models of galaxy formation and evolution, as the predicted abundance varies…”
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REQUIEM-2D: A Diversity of Formation Pathways in a Sample of Spatially Resolved Massive Quiescent Galaxies at z ∼ 2
Published in The Astrophysical journal (01-02-2023)“…Abstract REQUIEM-2D (Resolving Quiescent Magnified Galaxies with 2D Grism Spectroscopy) comprises a sample of eight massive ( log ( M ∗ / M ⊙ ) > 10.6 )…”
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EVIDENCE FOR REDUCED SPECIFIC STAR FORMATION RATES IN THE CENTERS OF MASSIVE GALAXIES AT z = 4
Published in The Astrophysical journal (01-01-2017)“…ABSTRACT We perform the first spatially resolved stellar population study of galaxies in the early universe (z = 3.5-6.5), utilizing the Hubble Space Telescope…”
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8
Seoul National University Bright Quasar Survey in Optical (SNUQSO). II. Discovery of 40 Bright Quasars Near the Galactic Plane
Published in The Astrophysical journal (20-07-2007)“…We report the discovery of 40 bright quasars and active galactic nuclei (AGNs) at low Galactic latitude (b < degree '20 [unk] degree '). The low Galactic…”
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9
Texas Spectroscopic Search for Ly Emission at the End of Reionization. III. The Ly Equivalent-width Distribution and Ionized Structures at z > 7
Published in The Astrophysical journal (01-12-2020)“…Ly emission from galaxies can be utilized to characterize the ionization state in the intergalactic medium (IGM). We report our search for Ly emission at z > 7…”
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KECK/MOSFIRE SPECTROSCOPY OF z = 7–8 GALAXIES: Lyα EMISSION FROM A GALAXY AT z = 7.66
Published in The Astrophysical journal (01-08-2016)“…ABSTRACT We report the results from some of the deepest Keck/Multi-Object Spectrometer For Infra-Red Exploration data yet obtained for candidate z ≳ 7…”
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11
THE EVOLUTION OF THE GALAXY STELLAR MASS FUNCTION AT z = 4-8: A STEEPENING LOW-MASS-END SLOPE WITH INCREASING REDSHIFT
Published in The Astrophysical journal (01-07-2016)“…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…”
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12
A Census of the Bright z = 8.5–11 Universe with the Hubble and Spitzer Space Telescopes in the CANDELS Fields
Published in The Astrophysical journal (01-03-2022)“…Abstract We present the results from a new search for candidate galaxies at z ≈ 8.5–11 discovered over the 850 arcmin 2 area probed by the Cosmic Assembly…”
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13
Texas Spectroscopic Search for Lyα Emission at the End of Reionization. III. The Lyα Equivalent-width Distribution and Ionized Structures at z > 7
Published in The Astrophysical journal (01-12-2020)“…Lyα emission from galaxies can be utilized to characterize the ionization state in the intergalactic medium (IGM). We report our search for Lyα emission at z >…”
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14
The VIRUS-P Exploration of Nearby Galaxies (VENGA): the stellar populations and assembly of NGC 2903’s bulge, bar, and outer disc
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT We study the stellar populations and assembly of the nearby spiral galaxy NGC 2903’s bulge, bar, and outer disc using the VIRUS-P Exploration of…”
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15
Texas Spectroscopic Search for Lyα Emission at the End of Reionization I. Constraining the Lyα Equivalent-width Distribution at 6.0 < z < 7.0
Published in The Astrophysical journal (10-09-2018)“…Abstract The distribution of Ly α emission is a presently accessible method for studying the state of the intergalactic medium (IGM) into the reionization era…”
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16
Diagnosing DASH: A Catalog of Structural Properties for the COSMOS-DASH Survey
Published in The Astrophysical journal (01-01-2022)“…Abstract We present the H 160 morphological catalogs for the COSMOS-DASH survey, the largest area near-IR survey using HST-WFC3 to date. Utilizing the “Drift…”
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17
AN INCREASING STELLAR BARYON FRACTION IN BRIGHT GALAXIES AT HIGH REDSHIFT
Published in The Astrophysical journal (01-12-2015)“…ABSTRACT Recent observations have shown that the characteristic luminosity of the rest-frame ultraviolet (UV) luminosity function does not significantly evolve…”
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THE HETDEX PILOT SURVEY. V. THE PHYSICAL ORIGIN OF Lyα EMITTERS PROBED BY NEAR-INFRARED SPECTROSCOPY
Published in The Astrophysical journal (10-08-2014)“…We present the results from a Very Large Telescope/SINFONI and Keck/NIRSPEC near-infrared spectroscopic survey of 16 Ly alpha emitters (LAEs) at z = 2.1-2.5 in…”
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Texas Spectroscopic Search for Lyα Emission at the End of Reionization. II. The Deepest Near-infrared Spectroscopic Observation at z ≳ 7
Published in The Astrophysical journal (01-06-2019)“…Realizing the utility of Lyα emission to trace the evolution of the intergalactic medium (IGM) during the epoch of reionization requires deep spectroscopy…”
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20
Surface modification of POSS–polyimide hybrid films by atomic oxygen using ECR plasma
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-07-2013)“…A novel polyimide (PI) hybrid nanocomposite containing polyhedral oligomeric silsesquioxane (POSS) had been prepared by copolymerization of…”
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