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Kartheik G. Iyer

Columbia University · US
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Area of research
Instrumentation · Astronomy and Astrophysics
Research interest
Research interests include Physics, Astrophysics, Galaxy, Redshift, Astronomy, and Star formation.
h-index
citations
2,128
works
35
NIH funding
primary concept
email

Recent publications

Probing the star formation main sequence down to 10 <sup>7</sup> <i>M</i> <sub>⊙</sub> at 1  &lt;   <i>z</i>   &lt;  9
Astronomy and Astrophysics 2026cited by 1position: middledoi
The Cosmic Evolution Early Release Science Survey (CEERS)
The Astrophysical Journal Letters 2025cited by 58position: middledoi
Improving Photometric Redshifts of Epoch of Reionization Galaxies: A New Empirical Transmission Curve with Neutral Hydrogen Damping Wing Ly<i>α</i> Absorption
The Astrophysical Journal Letters 2025cited by 17position: middledoi
Extreme properties of a compact and massive accreting black hole host in the first 500 Myr
Nature Communications 2025cited by 8position: middledoi
CANUCS/Technicolor Data Release 1: Imaging, Photometry, Slit Spectroscopy, and Stellar Population Parameters*
The Astrophysical Journal Supplement Series 2025cited by 8position: middledoi
Metal-poor Star-forming Clumps in Cosmic Noon Galaxies: Evidence for Gas Inflow and Chemical Dilution Using JWST NIRISS
The Astrophysical Journal 2025cited by 1position: middledoi
Resolved Mass Assembly and Star Formation in Milky Way Progenitors since <i>z</i> = 5 from JWST/CANUCS: From Clumps and Mergers to Well-ordered Disks
The Astrophysical Journal 2025cited by 0position: middledoi
The Complete CEERS Early Universe Galaxy Sample: A Surprisingly Slow Evolution of the Space Density of Bright Galaxies at z ∼ 8.5–14.5
The Astrophysical Journal Letters 2024cited by 185position: middledoi
Outshining by Recent Star Formation Prevents the Accurate Measurement of High-z Galaxy Stellar Masses
The Astrophysical Journal 2024cited by 66position: middledoi
Formation of a low-mass galaxy from star clusters in a 600-million-year-old Universe
Nature 2024cited by 56position: middledoi
ΛCDM not dead yet: massive high-<i>z</i> Balmer break galaxies are less common than previously reported
Monthly Notices of the Royal Astronomical Society 2024cited by 40position: middledoi
Evidence for a Shallow Evolution in the Volume Densities of Massive Galaxies at z = 4–8 from CEERS
The Astronomical Journal 2024cited by 33position: middledoi
Star Formation at the Epoch of Reionization with CANUCS: The Ages of Stellar Populations in MACS1149-JD1
The Astrophysical Journal Letters 2024cited by 17position: middledoi
The Ultraviolet Luminosity Function at 0.6 &lt; z &lt; 1 from UVCANDELS
The Astrophysical Journal 2024cited by 14position: middledoi
CANUCS: UV and ionizing properties of dwarf star-forming galaxies at <i>z</i> ~ 5–7
Monthly Notices of the Royal Astronomical Society 2024cited by 14position: middledoi
When, where, and how star formation happens in a galaxy pair at cosmic noon using CANUCS <i>JWST</i>/NIRISS grism spectroscopy
Monthly Notices of the Royal Astronomical Society 2024cited by 11position: middledoi
The Firefly Sparkle: The Earliest Stages of the Assembly of A Milky Way-type Galaxy in a 600 Myr Old Universe
Research Square 2024cited by 3position: middledoi
The FENIKS Survey: Multiwavelength Photometric Catalog in the UDS Field, and Catalogs of Photometric Redshifts and Stellar Population Properties
The Astrophysical Journal 2024cited by 1position: middledoi
The Art of Measuring Physical Parameters in Galaxies: A Critical Assessment of Spectral Energy Distribution Fitting Techniques
The Astrophysical Journal 2023cited by 165position: middledoi
CEERS Spectroscopic Confirmation of NIRCam-selected z ≳ 8 Galaxy Candidates with JWST/NIRSpec: Initial Characterization of Their Properties
The Astrophysical Journal Letters 2023cited by 158position: middledoi
CEERS Key Paper. III. The Diversity of Galaxy Structure and Morphology at z = 3–9 with JWST
The Astrophysical Journal Letters 2023cited by 141position: middledoi
Dusty Starbursts Masquerading as Ultra-high Redshift Galaxies in JWST CEERS Observations
The Astrophysical Journal Letters 2023cited by 134position: middledoi
An Extremely Compact, Low-mass Galaxy on its Way to Quiescence at z = 5.2
The Astrophysical Journal Letters 2023cited by 72position: middledoi
A Milky Way-like barred spiral galaxy at a redshift of 3
Nature 2023cited by 62position: middledoi
Bursty star formation and galaxy–galaxy interactions in low-mass galaxies 1 Gyr after the Big Bang
Monthly Notices of the Royal Astronomical Society 2023cited by 60position: middledoi
CEERS Key Paper. II. A First Look at the Resolved Host Properties of AGN at 3 &lt; z &lt; 5 with JWST
The Astrophysical Journal Letters 2023cited by 54position: middledoi
Optimized Photometric Redshifts for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)
The Astrophysical Journal 2023cited by 47position: middledoi
The first large catalogue of spectroscopic redshifts in Webb’s first deep field, SMACS J0723.3−7327
Monthly Notices of the Royal Astronomical Society 2023cited by 38position: middledoi
Spectroscopy from Photometry: A Population of Extreme Emission Line Galaxies at 1.7 ≲ z ≲ 6.7 Selected with JWST Medium Band Filters
The Astrophysical Journal Letters 2023cited by 35position: middledoi
<i>JWST</i> catches the assembly of a <i>z</i> ∼ 5 ultra-low-mass galaxy
Monthly Notices of the Royal Astronomical Society Letters 2023cited by 30position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

Adam Muzzin · York University18 papers (2022–2026)Gabriel Brammer · University of Copenhagen17 papers (2022–2025)Marcin Sawicki · California Institute of Technology16 papers (2022–2026)Nicholas S. Martis · Tufts University16 papers (2022–2026) · 16 papers (2022–2026)G. Desprez · Université Claude Bernard Lyon 116 papers (2022–2026) · 16 papers (2022–2026)Ghassan T. E. Sarrouh · York University16 papers (2022–2026)Maruša Bradač · University of California, Davis15 papers (2022–2026) · 15 papers (2022–2025) · 14 papers (2022–2025) · 14 papers (2022–2025)Victoria Strait · University of California, Davis12 papers (2022–2024) · 9 papers (2023–2026)Jasleen Matharu · Texas A&M University9 papers (2023–2024)Vicente Estrada-Carpenter · Texas A&M University9 papers (2022–2025) · 6 papers (2023–2026)Swara Ravindranath · Australian National University6 papers (2022–2024)Camilla Pacifici · Goddard Space Flight Center4 papers (2022–2024)Johannes Zabl · Saint Mary's University4 papers (2022–2024)
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