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Ali Ahmad Khostovan

0000-0002-0101-336X
astro-ph.GAastro-ph.CO

On Valency

published · living versions
W_fq3jhe2k·v1 · currentpublished
CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products and Mosaics
with Anton M. Koekemoer, S. M. Faber, Henry C. Ferguson, Norman A. Grogin +118
1 version

Preprints & journals

51 papers in the corpus · 2010–2026
Prevalence of radio Active Galactic Nuclei in galaxy groups since z=3.5 in the COSMOS-Web field2610.10719v1 · F. Ubertosi, I. Delvecchio, I. Prandoni et al.2026 · 0 citationsarXiv
X-ray Characterization of Galaxy Groups and Hickson Groups in COSMOS-Web to z~3.8 I. X-ray Luminosity Function Evolution2610.02470v1 · Ghassem Gozaliasl, Gunther Hasinger, Gavin Leroy et al.2026 · 0 citationsarXiv
Multi-wavelength morphology and dust emission in low-redshift dwarf galaxies in COSMOS-Web with HST and JWST2602.09085v1 · D. Kakkad, I. Lazar, S. Harish et al.2026 · 0 citationsarXiv
Star formation quenching precedes morphological transformation in COSMOS-WEB's richest galaxy groups2601.06297v1 · Z. Ghaffari (1, G. Gozaliasl (3, A. Biviano (1 et al.2026 · 1 citationarXiv
The AURORA Survey: The Mass -- Metallicity and Fundamental Metallicity Relations at z∼2.3z \sim 2.3 Based Purely on Direct TeT_e Metallicities2512.16989v1 · Ali Ahmad Khostovan, Ryan L. Sanders, Alice E. Shapley et al.2025 · 1 citationarXiv
Large-Scale Structure in COSMOS-Web: Tracing Galaxy Evolution in the Cosmic Web up to z∼7z \sim 7 with the Largest JWST Survey2511.10727v1 · Hossein Hatamnia, Bahram Mobasher, Sina Taamoli et al.2025 · 1 citationarXiv
The ALPINE-CRISTAL-JWST Survey: JWST/IFU Optical Observations for 18 Main-Sequence Galaxies at z=4-62510.16111v2 · A. L. Faisst, S. Fujimoto, A. Tsujita et al.2025 · 11 citationsarXiv
The CEERS Photometric and Physical Parameter Catalog2510.08743v1 · Isa G. Cox, Jeyhan S. Kartaltepe, Micaela B. Bagley et al.2025 · 3 citationsarXiv
COSMOS-Web galaxy groups: Evolution of red sequence and quiescent galaxy fraction2509.08040v2 · Greta Toni, Matteo Maturi, Gianluca Castignani et al.2025 · 6 citationsA&A 707, A87 (2026)
A Uniform Analysis of Gas-phase Metallicity Evolution with 1-3 Gyr Time Sampling over the Past 12 Billion Years2508.18369v1 · Shweta Jain, Ryan L. Sanders, Ali Ahmad Khostovan et al.2025 · 2 citationsarXiv
The AURORA Survey: High-Redshift Empirical Metallicity Calibrations from Electron Temperature Measurements at z=2-102508.10099v2 · Ryan L. Sanders, Alice E. Shapley, Michael W. Topping et al.2025 · 14 citationsarXiv
Physical properties of galaxies and the UV Luminosity Function from z∼6z\sim6 to z∼14z\sim14 in COSMOS-Web2508.04791v1 · Maximilien Franco, Caitlin M. Casey, Hollis B. Akins et al.2025 · 1 citationarXiv
Discovery of a Little Red Dot candidate at z≳10z\gtrsim10 in COSMOS-Web based on MIRI-NIRCam selection2508.00057v2 · Takumi S. Tanaka, Hollis B. Akins, Yuichi Harikane et al.2025 · 1 citationarXiv
The AURORA Survey: Robust Helium Abundances at High Redshift Reveal A Subpopulation of Helium-Enhanced Galaxies in the Early Universe2507.17057v1 · Danielle A. Berg, Ryan L. Sanders, Alice E. Shapley et al.2025 · 6 citationsarXiv
The AURORA Survey: Tracing Galactic Outflows at z≳2.5z\gtrsim2.5 with JWST/NIRSpec NUV Absorption Lines2506.17381v2 · Emily Kehoe, Alice E. Shapley, Ryan L. Sanders et al.2025 · 1 citationarXiv
The JWST/AURORA Survey: Multiple Balmer and Paschen Emission Lines for Individual Star-forming Galaxies at z=1.5-4.4. I. A Diversity of Nebular Attenuation Curves and Evidence for Non-Unity Dust Covering Fractions2506.17396v2 · Naveen A. Reddy, Alice E. Shapley, Ryan L. Sanders et al.2025 · 11 citationsApJ, 999, 15 (2026)
COSMOS Web: Morphological quenching and size-mass evolution of brightest group galaxies from z = 3.72506.04031v2 · Ghassem Gozaliasl, Lilan Yang, Jeyhan Kartaltepe et al.2025 · 5 citationsA&A 703, A129 (2025)
COSMOS-Web: Estimating Physical Parameters of Galaxies Using Self-Organizing Maps2506.04138v4 · Fatemeh Abedini, Ghassem Gozaliasl, Akram Hasani Zonoozi et al.2025 · 0 citationsarXiv
COSMOS2025: The COSMOS-Web galaxy catalog of photometry, morphology, redshifts, and physical parameters from JWST, HST, and ground-based imaging2506.03243v1 · Marko Shuntov, Hollis B. Akins, Louise Paquereau et al.2025 · 53 citationsA&A 704, A339 (2025)
COSMOS Spectroscopic Redshift Compilation (First Data Release): 488k Redshifts Encompassing Two Decades of Spectroscopy2503.00120v2 · Ali Ahmad Khostovan, Jeyhan S. Kartaltepe, Mara Salvato et al.2025 · 3 citationsarXiv
The COSMOS-Web ring: Spectroscopic confirmation of the background source at z = 5.12502.20136v1 · Marko Shuntov, Shuowen Jin, Wilfried Mercier et al.2025 · 8 citationsA&A 696, L14 (2025)
Systematic Bias in Ionizing Radiation Escape Fraction Measurements from Foreground Large-Scale Structures2501.19303v2 · C. Scarlata, W. Hu, M. J. Hayes et al.2025 · 4 citationsarXiv
New constraints on the evolution of the MHI-M* scaling relation combining CHILES and MIGHTEE-HI data2502.00110v3 · Alessandro Bianchetti, Francesco Sinigaglia, Giulia Rodighiero et al.2025 · 12 citationsarXiv
The COSMOS-Web deep galaxy group catalog up to z=3.7z=3.72501.09060v2 · Greta Toni, Ghassem Gozaliasl, Matteo Maturi et al.2025 · 13 citationsA&A 697, A197 (2025)
Clumps as multiscale structures in cosmic noon galaxies2501.03328v1 · Boris S Kalita, Tomoko L Suzuki, Daichi Kashino et al.2025 · 17 citationsMonthly Notices of the Royal Astronomical Society, Volume 536, Issue 3, January 2025, Pages 3090-3111
EELG1002: A Record-Breaking [OIII]+Hβ\beta EW ∼3700\sim 3700Å~Galaxy at z∼0.8z \sim 0.8 -- Analog of Early Galaxies?2411.10537v2 · Ali Ahmad Khostovan, Jeyhan S. Kartaltepe, Malte Brinch et al.2024 · 0 citationsarXiv
Evolution of Hα\alpha Equivalent Widths from z∼0.4−2.2z \sim 0.4-2.2: implications for star formation and legacy surveys with Roman and Euclid2408.00080v1 · Ali Ahmad Khostovan, Sangeeta Malhotra, James E. Rhoads et al.2024 · 0 citationsarXiv
MIGHTEE-HI: HI galaxy properties in the large scale structure environment at z~0.37 from a stacking experiment2403.00734v1 · Francesco Sinigaglia, Giulia Rodighiero, Ed Elson et al.2024 · 14 citationsarXiv
COSMOS-Web: An Overview of the JWST Cosmic Origins Survey2211.07865v2 · Caitlin M. Casey, Jeyhan S. Kartaltepe, Nicole E. Drakos et al.2022 · 304 citationsarXiv
Exploring the Correlation between Hα\rm{H}\alpha-to-UV Ratio and Burstiness for Typical Star-forming Galaxies at z∼2z\sim22208.12371v2 · Saeed Rezaee, Naveen A. Reddy, Michael W. Topping et al.2022 · 12 citations2023, Monthly Notices of the Royal Astronomical Society,p. stad2842
New spectroscopic confirmations of Lyman-α\alpha emitters at z ∼\sim 7 from the LAGER survey2111.01173v1 · Santosh Harish, Isak G. B. Wold, Sangeeta Malhotra et al.2021 · 13 citationsarXiv
LAGER Lyα\alpha Luminosity Function at z∼7z\sim7, Implications for Reionization2105.12191v2 · Isak G. B. Wold, Sangeeta Malhotra, James Rhoads et al.2021 · 72 citationsarXiv
Variation of the Nebular Dust Attenuation Curve with the Properties of Local Star-forming Galaxies2105.08166v2 · Saeed Rezaee, Naveen Reddy, Irene Shivaei et al.2021 · 13 citationsMonthly Notices of the Royal Astronomical Society, 506, 3588 (2021)
The evolution of the UV luminosity and stellar mass functions of Lyman-alpha emitters from z~2 to z~62105.00007v1 · S'ergio Santos, David Sobral, Josh Butterworth et al.2021 · 14 citationsarXiv
Correlations between Hα\alpha Equivalent Width and Galaxy Properties at z=0.47z = 0.47: Physical or Selection-driven?2103.10959v1 · Ali Ahmad Khostovan, Sangeeta Malhotra, James E. Rhoads et al.2021 · 14 citationsarXiv
A large, deep 3 deg2^2 survey of Hα\alpha, [OIII], and [OII] emitters from LAGER: constraining luminosity functions2001.04989v1 · Ali Ahmad Khostovan, Sangeeta Malhotra, James E. Rhoads et al.2020 · 27 citationsarXiv
The clustering of typical Lyα\alpha emitters from z∼2.5−6z \sim 2.5 - 6: host halo masses depend on Lyα\alpha and UV luminosities1811.00556v1 · Ali Ahmad Khostovan, David Sobral, Bahram Mobasher et al.2018 · 39 citationsarXiv
Slicing COSMOS with SC4K: the evolution of typical Lya emitters and the Lya escape fraction from z~2 to z~61712.04451v2 · David Sobral, S'ergio Santos, Jorryt Matthee et al.2017 · 120 citationsarXiv
The interstellar medium in [OIII]-selected star-forming galaxies at z∼3.2z\sim3.21709.06731v1 · Tomoko L. Suzuki, Tadayuki Kodama, Masato Onodera et al.2017 · 21 citationsarXiv
The clustering of Hβ\beta+[OIII] and [OII] emitters since z∼5z \sim 5: dependencies with line luminosity and stellar mass1705.01101v1 · Ali Ahmad Khostovan, David Sobral, Bahram Mobasher et al.2017 · 22 citationsarXiv
CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS COSMOS Survey Field1612.07364v1 · H. Nayyeri, S. Hemmati, B. Mobasher et al.2016 · 152 citationsarXiv
[OIII] emission line as a tracer of star-forming galaxies at high redshifts: Comparison between Hα\alpha and [OIII] emitters at zz=2.23 in HiZELS1607.02054v1 · T. L. Suzuki, T. Kodama, D. Sobral et al.2016 · 28 citationsarXiv
The production and escape of Lyman-Continuum radiation from star-forming galaxies at z~2 and their redshift evolution1605.08782v2 · Jorryt Matthee, David Sobral, Philip Best et al.2016 · 130 citationsarXiv
The Nature of Hβ+\beta+[O{\sc iii}] and [O{\sc ii}] emitters to z∼5z \sim 5 with HiZELS: stellar mass functions and the evolution of EWs1604.02456v1 · Ali Ahmad Khostovan, David Sobral, Bahram Mobasher et al.2016 · 61 citationsarXiv
Evolution of the Hβ\beta+[OIII] and [OII] luminosity functions and the [OII] star-formation history of the Universe up to zz ~ 5 from HiZELS1503.00004v2 · Ali Ahmad Khostovan, David Sobral, Bahram Mobasher et al.2015 · 105 citationsarXiv
Spitzer IRAC identification of Herschel-ATLAS SPIRE sources1112.3653v3 · Sam Kim, Julie L. Wardlow, Asantha Cooray et al.2011 · 10 citationsarXiv
CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products and Mosaics1105.3754v2 · Anton M. Koekemoer, S. M. Faber, Henry C. Ferguson et al.2011 · 2,089 citationsarXivon Valency
Submillimetre galaxies reside in dark matter haloes with masses greater than 3 × 10(11) solar masses.21326201 · Amblard, Alexandre, Cooray, Asantha, Serra, Paolo et al.2011 · 118 citationsNature. 2011;470(7335):510-2
Spitzer Imaging of Herschel-ATLAS Gravitationally Lensed Submillimeter Sources1011.4940v2 · R. Hopwood, J. Wardlow, A. Cooray et al.2010 · 22 citationsarXiv
The Herschel-SPIRE Legacy Survey (HSLS): the scientific goals of a shallow and wide submillimeter imaging survey with SPIRE1007.3519v2 · Asantha Cooray, Steve Eales, Scott Chapman et al.2010 · 3 citationsarXiv
Career total: at least 93 works. 51 are in this corpus.Showing the 50 most recent.

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