Search Results - "Nanayakkara, T."
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Reionization Era Bright Emission Line Survey: Selection and Characterization of Luminous Interstellar Medium Reservoirs in the z > 6.5 Universe
Published in The Astrophysical journal (01-06-2022)“…Abstract The Reionization Era Bright Emission Line Survey (REBELS) is a cycle-7 ALMA Large Program (LP) that is identifying and performing a first…”
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The ALMA REBELS Survey: cosmic dust temperature evolution out to z ∼ 7
Published in Monthly notices of the Royal Astronomical Society (01-07-2022)“…ABSTRACT ALMA observations have revealed the presence of dust in the first generations of galaxies in the Universe. However, the dust temperature Td remains…”
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The ALMA REBELS Survey. Epoch of Reionization giants: Properties of dusty galaxies at z ≈ 7
Published in Monthly notices of the Royal Astronomical Society (01-05-2022)“…ABSTRACT We analyse FIR dust continuum measurements for 14 galaxies (redshift z ≈ 7) in the ALMA Reionization Era Bright Emission Line Survey (REBELS) Large…”
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Newly Discovered Bright z ∼ 9-10 Galaxies and Improved Constraints on Their Prevalence Using the Full CANDELS Area
Published in The Astrophysical journal (20-07-2019)“…We report the results of an expanded search for z ∼ 9-10 candidates over the ∼883 arcmin2 CANDELS+ERS fields. This study adds 147 arcmin2 to the search area we…”
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On the lack of correlation between [O iii ]/[O ii ] and Lyman continuum escape fraction
Published in Monthly notices of the Royal Astronomical Society (11-03-2019)“…We present the first results of our pilot study of eight photometrically selected Lyman-continuum (LyC) emitting galaxy candidates from the COSMOS field and…”
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Early Results From GLASS-JWST. XII. The Morphology of Galaxies at the Epoch of Reionization
Published in Astrophysical journal. Letters (01-01-2023)“…Abstract Star-forming galaxies can exhibit strong morphological differences between the rest-frame far-UV and optical, reflecting inhomogeneities in star…”
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The GLASS-JWST Early Release Science Program. I. Survey Design and Release Plans
Published in The Astrophysical journal (01-08-2022)“…Abstract The GLASS-JWST Early Release Science (hereafter GLASS-JWST-ERS) Program will obtain and make publicly available the deepest extragalactic data of the…”
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Normal, dust-obscured galaxies in the epoch of reionization
Published in Nature (London) (23-09-2021)“…Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift ( z ) greater than 6 (refs. 1 –…”
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Nearly all the sky is covered by Lyman-α emission around high-redshift galaxies
Published in Nature (London) (11-10-2018)“…Galaxies are surrounded by large reservoirs of gas, mostly hydrogen, that are fed by inflows from the intergalactic medium and by outflows from galactic winds…”
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Early Results from GLASS-JWST. V: The First Rest-frame Optical Size–Luminosity Relation of Galaxies at z > 7
Published in Astrophysical journal. Letters (01-10-2022)“…Abstract We present the first rest-frame optical size–luminosity relation of galaxies at z > 7, using the NIRCam imaging data obtained by the GLASS James Webb…”
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Early Results from GLASS-JWST. X. Rest-frame UV-optical Properties of Galaxies at 7 < z < 9
Published in Astrophysical journal. Letters (01-01-2023)“…Abstract We present the first James Webb Space Telescope/NIRCam-led determination of 7 < z < 9 galaxy properties based on broadband imaging from 0.8 to 5 μ m…”
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Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies
Published in Astrophysical journal. Letters (01-01-2023)“…Abstract We exploit James Webb Space Telescope (JWST) NIRCam observations from the GLASS-JWST-Early Release Science program to investigate galaxy stellar…”
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The origin of large emission line widths in massive galaxies at redshifts z ∼ 3 − 4
Published in Monthly notices of the Royal Astronomical Society (07-06-2024)“…Abstract We present a sample of 22 massive galaxies with stellar masses >1010M⊙ at 3 < z < 4 with deep H and K-band high resolution spectra (R=3500-3000) from…”
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Resolved scaling relations and metallicity gradients on sub-kiloparsec scales at z ≈ 1
Published in Monthly notices of the Royal Astronomical Society (11-10-2019)“…ABSTRACT The existence of a spatially resolved star-forming main sequence (rSFMS) and a spatially resolved mass–metallicity relation (rMZR) is now well…”
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The ALMA REBELS Survey: the first infrared luminosity function measurement at z ∼ 7
Published in Monthly notices of the Royal Astronomical Society (02-05-2023)“…ABSTRACT We present the first observational infrared luminosity function (IRLF) measurement in the Epoch of Reionization (EoR) based on a ultraviolet…”
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The ALMA REBELS Survey: Average [C ii] 158 μm Sizes of Star-forming Galaxies from z ∼ 7 to z ∼ 4
Published in The Astrophysical journal (01-08-2022)“…Abstract We present the average [C ii ] 158 μ m emission line sizes of UV-bright star-forming galaxies at z ∼ 7. Our results are derived from a stacking…”
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Early Results from GLASS-JWST. VI. Extreme Rest-optical Equivalent Widths Detected in NIRISS Wide Field Slitless Spectroscopy
Published in Astrophysical journal. Letters (01-12-2022)“…Abstract Wide Field Slitless Spectroscopy (WFSS) provides a powerful tool for detecting strong line emission in star-forming galaxies (SFGs) without the need…”
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Early Results from GLASS-JWST. XV. Properties of the Faintest Red Sources in the NIRCAM Deep Fields
Published in Astrophysical journal. Letters (01-04-2023)“…Abstract We present a first look at the reddest 2–5 μ m sources found in deep images from the GLASS Early Release Science program. We undertake a general…”
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Stellar populations and physical properties of starbursts in the antennae galaxy from self-consistent modelling of MUSE spectra
Published in Monthly notices of the Royal Astronomical Society (01-09-2020)“…ABSTRACT We have modelled the stellar and nebular continua and emission-line intensity ratios of massive stellar populations in the Antennae galaxy using high…”
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Early Results from GLASS-JWST. VII. Evidence for Lensed, Gravitationally Bound Protoglobular Clusters at z = 4 in the Hubble Frontier Field A2744
Published in Astrophysical journal. Letters (01-12-2022)“…Abstract We investigate the blue and optical rest-frame sizes ( λ ≃ 2300–4000 Å) of three compact star-forming regions in a galaxy at z = 4 strongly lensed…”
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