CH
Christopher Hirata
astro-ph.COastro-ph.IMastro-phastro-ph.GAastro-ph.HEgr-qcastro-ph.EPhep-phastro-ph.SRhep-th
On Valency
published · living versionsW_hjx8ag83·v1 · currentpublished
Observational Probes of Cosmic Acceleration
with David H. Weinberg, Michael J. Mortonson, Daniel J. Eisenstein, Adam G. Riess +1
1 version
W_ajwe8eeg·v1published
W_ff52mhfv·v1published
W_w4gfrpzf·v1published
Preprints & journals
189 papers in the corpus · 2002–2026Combining Rubin and Roman photometry and its implications for photometric redshift estimation2610.22547v1 · Tae-hyeon Shin, Rachel Mandelbaum, Chun-Hao To et al.2026 · 0 citationsarXiv
The Nancy Grace Roman Space Telescope Wide Field Instrument: Characterization of the Brighter-Fatter Effect in a Roman H4RG-10 Detector using the Talbot Effect2610.03882v1 · Jennie Paine, Ami Choi, Christopher Merchant et al.2026 · 0 citationsarXiv
Connecting the Dots: Prospects for Detecting Multi-Source Inflation through Scale-Dependent and Stochastic Bias of Little Red Dots2609.36002v1 · Peter L. Taylor, Xinyi Chen, Christopher M. Hirata et al.2026 · 0 citationsarXiv
Robust Photometry for Roman High-Latitude Imaging Survey Cosmology Using Roman and Rubin Imaging2607.09849v1 · Chun-Hao To, Tae-Hyeon Shin, Chihway Chang et al.2026 · 0 citationsarXiv
Modeling the impact of filter-substrate refraction in the Roman point spread function2606.11305v1 · Federico Berlfein, Rachel Mandelbaum, Tianqing Zhang et al.2026 · 0 citationsarXiv
Unveiling the dark matter nature with reionization relics2605.26518v1 · Yao Zhang, Paulo Montero-Camacho, Catalina Morales-Guti'errez et al.2026 · 0 citationsarXiv
Charge diffusion and modulation transfer function in a Nancy Grace Roman Space Telescope detector2604.26114v2 · Emily Macbeth, Katherine Laliotis, Christopher M. Hirata et al.2026 · 0 citationsPublications of the Astronomical Society of the Pacific, Volume 138, Issue 8, id.085002, 17 pp. (2026)
Weibel Instability-Driven Seed Magnetic Fields during Reionization2603.03608v2 · Jorie McDermott, Manami Roy, Christopher M. Hirata2026 · 0 citationsarXiv
A Path to an All-Sky Survey with Roman2602.21280v1 · Jiwon Jesse Han, Anirudh Chiti, Kai-Feng Chen et al.2026 · 0 citationsarXiv
Removing correlated noise stripes from the Nancy Grace Roman Space Telescope survey images2512.05949v1 · Katherine Laliotis, Christopher M. Hirata, Emily Macbeth et al.2025 · 0 citationsarXiv
Effects of Primordial Black Holes on IGM History2510.00246v2 · Emily Koivu, Nickolay Y. Gnedin, Christopher M. Hirata2025 · 1 citationarXiv
Simulating Image Coaddition with the Nancy Grace Roman Space Telescope. IV. Hyperparameter Optimization and Experimental Features2509.18286v2 · Kaili Cao, Christopher M. Hirata, Katherine Laliotis et al.2025 · 0 citationsarXiv
Investigating the Gamma-Ray Emission from Explosive Dispersal Outflows with Fermi-LAT2509.02679v4 · Paarmita Pandey, Stephen C. Lenker II, Laura A. Lopez et al.2025 · 3 citationsarXiv
Where does non-Universality in Assembly Bias come from?2508.11798v1 · Charuhas Shiveshwarkar, Marilena Loverde, Christopher M. Hirata et al.2025 · 1 citationarXiv
Resonant interactions from dynamical perturbers on generic orbits around an extreme mass ratio inspiral2507.22260v2 · Makana Silva, Harrison G. Blake-Goszyk, Christopher M. Hirata2025 · 3 citationsarXiv
Deciphering Baryonic Feedback from ACT tSZ Galaxy Clusters2507.04476v2 · Nihar Dalal, Chun-Hao To, Chris Hirata et al.2025 · 4 citationsJCAP03(2026)036
MeV cosmic-ray electrons modify the TeV pair-beam plasma instability2507.02423v1 · Mahmoud Alawashra, Yuanyuan Yang, Christopher M. Hirata et al.2025 · 1 citationarXiv
Light in the dark forest -- I. An efficient optimal estimator for 3D Lyman-alpha forest power spectrum2503.15619v2 · N. G. Karacaylı, C. M. Hirata2025 · 0 citationsarXiv
OpenUniverse2024: A shared, simulated view of the sky for the next generation of cosmological surveys2501.05632v2 · OpenUniverse, The Roman HLIS Project Infrastructure Team, The Roman RAPID Project Infrastructure Team et al.2025 · 14 citationsMon Not R Astron Soc (2025) 3799-3823
Cosmology from weak lensing, galaxy clustering, CMB lensing and tSZ: II. Optimizing Roman survey design for CMB cross-correlation science2411.04088v1 · Tim Eifler, Xiao Fang, Elisabeth Krause et al.2024 · 2 citationsarXiv
Analysis of biasing from noise from the Nancy Grace Roman Space Telescope: implications for weak lensing2410.11088v2 · Katherine Laliotis, Emily Macbeth, Christopher M. Hirata et al.2024 · 9 citationsPublications of the Astronomical Society of the Pacific, Volume 136, Issue 12, id.124506, 22 pp. (2024)
Simulating image coaddition with the Nancy Grace Roman Space Telescope: III. Software improvements and new linear algebra strategies2410.05442v2 · Kaili Cao, Christopher M. Hirata, Katherine Laliotis et al.2024 · 8 citationsThe Astrophysical Journal Supplement Series, Volume 277, Issue 2, id.55, 32 pp. (2025)
Corrections to Hawking radiation from asteroid-mass primordial black holes: Numerical evaluation of dissipative effects2408.17423v1 · Emily Koivu, John Kushan, Makana Silva et al.2024 · 1 citationarXiv
Corrections to Hawking radiation from asteroid-mass primordial black holes: description of the stochastic charge effect in quantum electrodynamics2407.09724v1 · Gabriel Vasquez, John Kushan, Makana Silva et al.2024 · 0 citationsarXiv
Recommendations for Early Definition Science with the Nancy Grace Roman Space Telescope2404.14342v1 · Robyn E. Sanderson, Ryan Hickox, Christopher M. Hirata et al.2024 · 3 citationsarXiv
SPHEREx: NASA's Near-Infrared Spectrophotmetric All-Sky Survey2404.11017v1 · Brendan P. Crill, Michael Werner, Rachel Akeson et al.2024 · 64 citationsProceedings Volume 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave; 114430I (2020)
Compton scattering of electrons in the intergalactic medium2311.18721v2 · Yuanyuan Yang, Heyang Long, Christopher M. Hirata2023 · 5 citationsarXiv
Prospects for detecting proto-neutron star rotation and spindown using supernova neutrinos2310.13763v2 · Tejas Prasanna, Todd A. Thompson, Christopher Hirata2023 · 0 citationsMonthly Notices of the Royal Astronomical Society, Volume 528, Issue 4, March 2024, Pages 5649-5666
Spot-Based Measurement of the Brighter-Fatter Effect on a Roman Space Telescope H4RG Detector and Comparison with Flat-Field Data2310.01920v2 · Andr'es A. Plazas Malag'on, Charles Shapiro, Ami Choi et al.2023 · 2 citationsJournal of Instrumentation, Volume 19, March 2024
Toward Powerful Probes of Neutrino Self-Interactions in Supernovae.37656847 · Chang, Po-Wen, Esteban, Ivan, Beacom, John F et al.2023 · 44 citationsPhysical review letters. 2023;131(7):071002
NANCY: Next-generation All-sky Near-infrared Community surveY2306.11784v1 · Jiwon Jesse Han, Arjun Dey, Adrian M. Price-Whelan et al.2023 · 2 citationsarXiv
Simulating image coaddition with the Nancy Grace Roman Space Telescope: I. Simulation methodology and general results2303.08749v2 · Christopher M. Hirata, Masaya Yamamoto, Katherine Laliotis et al.2023 · 16 citationsMonthly Notices of the Royal Astronomical Society, Volume 528, Issue 2, pp.2533-2561 (2024)
Simulating image coaddition with the Nancy Grace Roman Space Telescope: II. Analysis of the simulated images and implications for weak lensing2303.08750v2 · Masaya Yamamoto, Katherine Laliotis, Emily Macbeth et al.2023 · 9 citationsMonthly Notices of the Royal Astronomical Society, Volume 528, Issue 4, pp.6680-6705 (2024)
Lyman-{\alpha} polarization from cosmological ionization fronts: I. Radiative transfer simulations2302.05369v1 · Yuanyuan Yang, Emily Koivu, Chenxiao Zeng et al.2023 · 3 citationsarXiv
Lyman- polarization from cosmological ionization fronts: II. Implications for intensity mapping2302.05370v1 · Emily Koivu, Heyang Long, Yuanyuan Yang et al.2023 · 3 citationsarXiv
Near-IR Weak-Lensing (NIRWL) Measurements in the CANDELS Fields I: Point-Spread Function Modeling and Systematics2301.07725v2 · Kyle Finner, Bomee Lee, Ranga-Ram Chary et al.2023 · 15 citationsarXiv
LISA Galactic Binaries in the Roman Galactic Bulge Time-Domain Survey2212.14887v1 · Matthew C. Digman, Chris M. Hirata2022 · 2 citationsarXiv
Self-calibrating optical galaxy cluster selection bias using cluster, galaxy, and shear cross-correlations2210.16306v2 · Chenxiao Zeng, Andr'es N. Salcedo, Hao-Yi Wu et al.2022 · 7 citationsarXiv
Impact of inhomogeneous reionization on post-reionization 21 cm intensity mapping measurement of cosmological parameters2210.02385v2 · Heyang Long, Catalina Morales-Guti'errez, Paulo Montero-Camacho et al.2022 · 10 citationsarXiv
Corrections to Hawking Radiation from Asteroid Mass Primordial Black Holes: I. Formalism of Dissipative Interactions in Quantum Electrodynamics2210.01914v1 · Makana Silva, Gabriel Vasquez, Emily Koivu et al.2022 · 4 citationsarXiv
Probing Large Scale Ionizing Background Fluctuation with Lyman Forest and Galaxy Cross-correlation at z=2.42209.07019v2 · Heyang Long, Christopher M. Hirata2022 · 6 citationsarXiv
A Joint Roman Space Telescope and Rubin Observatory Synthetic Wide-Field Imaging Survey2209.06829v1 · M. A. Troxel, C. Lin, A. Park et al.2022 · 28 citationsarXiv
Pixel centroid characterization with laser speckle and application to the Nancy Grace Roman Space Telescope detector arrays2208.13665v1 · Christopher M. Hirata, Christopher Merchant2022 · 2 citationsPublications of the Astronomical Society of the Pacific, 134:115001 (2022)
Dynamical perturbations around an extreme mass ratio inspiral near resonance2207.07733v1 · Makana Silva, Christopher Hirata2022 · 7 citationsarXiv
Weak Gravitational Lensing Shear Estimation with Metacalibration for the Roman High-Latitude Imaging Survey2203.08845v2 · Masaya Yamamoto, M. A. Troxel, Mike Jarvis et al.2022 · 14 citationsarXiv
Effect of dust in circumgalactic haloes on the cosmic shear power spectrum2110.11892v2 · Makana Silva, Christopher Hirata2021 · 0 citationsarXiv
Quantum yield and charge diffusion in the Nancy Grace Roman Space Telescope infrared detectors2110.08155v1 · Jahmour J. Givans, Ami Choi, Anna Porredon et al.2021 · 12 citationsarXiv
The High Latitude Spectroscopic Survey on the Nancy Grace Roman Space Telescope2110.01829v1 · Yun Wang, Zhongxu Zhai, Anahita Alavi et al.2021 · 121 citationsarXiv
Streaming Velocity Effects on the Post-reionization 21 cm Baryon Acoustic Oscillation Signal2107.07615v2 · Heyang Long, Jahmour J. Givans, Christopher M. Hirata2021 · 11 citationsarXiv
Impact of Image Persistence in the Roman Space Telescope High-Latitude Survey2106.10273v1 · Chien-Hao Lin, Rachel Mandelbaum, M. A. Troxel et al.2021 · 4 citationsarXiv
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