activity
20122026
most citedProperties and characteristics of the WFIRST H4RG-10 detectors

74 citations · 174 across the 13 of their papers we have counts for

collaborators

15 papers

astro-ph.IM2026

The Pandora SmallSat: post-launch operations and mission update

Trevor O. Foote, Elisa V. Quintana, Jessie L. Dotson +41

The Pandora SmallSat is a NASA flight project designed to study the atmospheres of exoplanets. Transmission spectroscopy of transiting exoplanets provides our best opportunity to i…

astro-ph.IM2026

The Nancy Grace Roman Space Telescope Wide Field Instrument: Characterization of the Brighter-Fatter Effect in a Roman H4RG-10 Detector using the Talbot Effect

Jennie Paine, Ami Choi, Christopher Merchant +14

The Nancy Grace Roman Space Telescope will conduct several community-driven surveys using its Wide Field Instrument (WFI), which contains 18 Teledyne H4RG-10 near-infrared detector…

astro-ph.IM2026

Nancy Grace Roman Space Telescope Wide Field Instrument: Bright Point Source Saturation Response and Persistence Properties from Thermal-Vacuum Testing

Dana R. Louie, Robert F. Wilson, Thomas Barclay +19

The Nancy Grace Roman Space Telescope's Wide Field Instrument (WFI) will observe hundreds of thousands of bright stars across its Core Community Surveys, particularly in the dense…

astro-ph.EP2026

NASA's Pandora SmallSat Mission: Simulating the Impact of Stellar Photospheric Heterogeneity and Its Correction

Benjamin V. Rackham, Aishwarya R. Iyer, Dániel Apai +28

Stellar photospheric heterogeneity is a dominant astrophysical systematic impacting exoplanet transmission spectroscopy. NASA's Pandora SmallSat Mission is designed to address this…

astro-ph.IM2026

Nonlinearity in H4RG-10 Near-Infrared Detectors at Elevated Temperatures: Characterization and Data-Driven Correction Method

Ryusei Hamada, Gregory Mosby, Shota Miyazaki +5

We report a newly identified nonlinearity in H4RG-10 near-infrared detectors operating under moderately elevated-temperature conditions (114 K). This component, that potentially ar…

astro-ph.IM2026★ 8 cited

Simple Improved Reference Subtraction for H4RG, H2RG, and H1RG Near-infrared Array Detectors

Bernard J. Rauscher, Dale J. Fixsen, Gregory Mosby

Teledyne's H4RG, H2RG, and H1RG near-infrared array detectors provide reference pixels embedded in their data streams. Although they do not respond to light, the reference pixels e…

astro-ph.IM2026

Illuminating the Physics of Cosmic Origin and Evolution: A UK Space Frontiers 2035 White Paper

Florian Beutler, Eva-Maria Mueller, Seshadri Nadathur +61

Understanding the Universe's origins and evolution remains one of the most fundamental challenges in modern cosmology. This white paper explores three key science priorities in thi…

astro-ph.EP2025★ 9 cited

The Prime Focus Infrared Microlensing Experiment (PRIME): First Results

Takahiro Sumi, David A. H. Buckley, Alexander S. Kutyrev +37

We present the description of the instruments and the first results of the PRime-focus Infrared Microlensing Experiment (PRIME). PRIME is the first dedicated near-infrared (NIR) mi…

astro-ph.IM2025★ 5 cited

The Pandora SmallSat: A Low-Cost, High Impact Mission to Study Exoplanets and Their Host Stars

Thomas Barclay, Elisa V. Quintana, Knicole Colón +19

The Pandora SmallSat is a NASA flight project aimed at studying the atmospheres of exoplanets -- planets orbiting stars outside our Solar System. Pandora will provide the first dat…

astro-ph.GA2022

Understanding the Nature of an Unusual Post-Starburst Quasar with Exceptionally Strong Ne V Emission

Cameren Swiggum, Christy Tremonti, Serena Perrotta +7

We present a quasar, SDSS J004846.45-004611.9, discovered in the SDSS-III BOSS survey. A visual analysis of this spectrum reveals highly broadened and blueshifted narrow…

astro-ph.IM2021★ 5 cited

The Pandora SmallSat: Multiwavelength Characterization of Exoplanets and their Host Stars

Elisa V. Quintana, Knicole D. Colón, Gregory Mosby +24

Pandora is a SmallSat mission designed to study the atmospheres of exoplanets, and was selected as part of NASA's Astrophysics Pioneers Program. Transmission spectroscopy of transi…

astro-ph.IM2020★ 74 cited

Properties and characteristics of the WFIRST H4RG-10 detectors

Gregory Mosby, Bernard J. Rauscher, Chris Bennett +16

The Wide-Field Infrared Survey Telescope (WFIRST) will answer fundamental questions about the evolution of dark energy over time and expand the catalog of known exoplanets into new…

astro-ph.IM2019★ 6 cited

Principal Component Analysis of Up-the-ramp Sampled IR Array Data

Bernard J. Rauscher, Richard G. Arendt, D. J. Fixsen +3

We describe the results of principal component analysis (PCA) of up-the-ramp sampled IR array data from the HST WFC3 IR, JWST NIRSpec, and prototype WFIRST WFI detectors. These sys…

astro-ph.GA2014★ 4 cited

Simple Stellar Population Modeling of Low S/N Galaxy Spectra and Quasar Host Galaxy Applications

Gregory Mosby, Christy Tremonti, Eric Hooper +3

To study the effect of supermassive black holes (SMBHs) on their host galaxies it is important to study the hosts when the SMBH is near its peak activity. A method to investigate t…

astro-ph.SR2012★ 63 cited

The Low-mass Stellar Population in L1641: Evidence for Environmental Dependence of the Stellar Initial Mass Function

Wen-Hsin Hsu, Lee Hartmann, Lori Allen +5

We present results from an optical photometric and spectroscopic survey of the young stellar population in L1641, the low-density star-forming region of the Orion A cloud south of…