Showing 2025 · astro-ph.IMShow all

31 papers · 2 filters

astro-ph.IM2025★ 33 cited

The SPHEREx Satellite Mission

James J. Bock, Asad M. Aboobaker, Joseph Adamo +111

SPHEREx, a NASA explorer satellite launched on 11 March 2025, is carrying out the first all-sky near-infrared spectral survey. The satellite observes in 102 spectral bands from 0.7…

astro-ph.IM2025

Euclid Quick Data Release (Q1). From simulations to sky: Advancing machine-learning lens detection with real Euclid data

Euclid Collaboration, N. E. P. Lines, T. E. Collett +301

In the era of large-scale surveys like Euclid, machine learning has become an essential tool for identifying rare yet scientifically valuable objects, such as strong gravitational…

astro-ph.IM2025

Euclid Structural-Thermal-Optical Performance

Euclid Collaboration, A. Anselmi, R. Laureijs +290

The Euclid system performance is defined in terms of image quality metrics tuned to the weak gravitational lensing (WL) cosmological probe. WL induces stringent requirements on the…

astro-ph.IM2025

PRIMA General Observer Science Book Volume 2

A. Moullet, D. Burgarella, T. Kataria +8

The PRobe far-Infrared Mission for Astrophysics (PRIMA) mission concept is a proposed mission to NASA's Astrophysics Probe Explorer (APEX) call. The concept features a cryogenicall…

astro-ph.IM2025★ 1 cited

The Exospace Weather Frontier

R. O. Parke Loyd, Evgenya L. Shkolnik, Joseph Lazio +26

Space weather is among the most powerful and least understood forces shaping planetary atmospheres. In our Solar System, we observe its effects directly: atmospheric escape, chemic…

astro-ph.IM2025

Development of a planar cable-driven parallel robot for submillimeter and terahertz beam mapping measurements

Evan C. Mayer, Ian N. Lowe, Daniel P. Marrone +20

The spatial sensitivity pattern of millimeter-wavelength receivers is an important diagnostic of performance and is affected by the alignment of coupling optics. Characterization c…

astro-ph.IM2025★ 1 cited

Astronomical Optical Interferometry from the Lunar Surface

Gerard van Belle, Tabetha Boyajian, Michelle Creech-Eakman +28

The lunar surface is a compelling location for large, distributed optical facilities, with significant advantages over orbital facilities for high spatial resolution astrophysics.…

astro-ph.IM2025

Studying the Dust Distribution Around Accreting Black Holes with Reverberation Mapping Using PRIMA

Varoujan Gorjian, Michael W. Werner

Variability studies are a powerful tool for studying the structures of unresolved sources. One such type of variability study, called reverberation mapping (RM), established that t…

astro-ph.IM2025

Wavefront Error Recovery and Companion Identification with the James Webb Space Telescope

Matthew De Furio, Marie Ygouf, Alexandra Greenbaum +8

The James Webb Space Telescope is orders of magnitude more sensitive than any other facility across the near to mid-infrared wavelengths. Many approved programs take advantage of i…

astro-ph.IM2025

Identifying rocky planets and water worlds among sub-Neptune-sized exoplanets with the Habitable Worlds Observatory

Renyu Hu, Michiel Min, Max Millar-Blanchaer +15

Astronomers are debating whether the plentiful "sub-Neptune" exoplanets -- worlds a bit larger than Earth but smaller than Neptune -- are predominantly rocky planets, water-rich "o…

astro-ph.IM2025

KID Detector Readout Electronics Development for Habitable Worlds Observatory

Sean Bryan, Hugh Barnaby, Oketa Basha +15

We present the status and goals of the readout electronics system we are developing to support the detector arrays in the coronagraph instrument on the NASA Habitable Worlds Observ…

astro-ph.IM2025★ 7 cited

PRIMA: PRIMAger, a far-infrared hyperspectral and polarimetric instrument

Laure Ciesla, Charles Darren Dowell, Marc Sauvage +27

The PRobe far-Infrared Mission for Astrophysics (PRIMA) is an infrared observatory for the next decade, currently in Phase A, with a 1.8m telescope actively cooled to 4.5K. On boar…

astro-ph.IM2025★ 4 cited

Flight masks of the Roman Space Telescope Coronagraph Instrument

A. J. Eldorado Riggs, Vanessa P. Bailey, Dwight Moody +25

Over the past two decades, thousands of confirmed exoplanets have been detected. The next major challenge is to characterize these other worlds and their stellar systems. Much info…

astro-ph.IM2025★ 6 cited

High-order wavefront sensing and control for the Roman Coronagraph Instrument (CGI): architecture and measured performance

Eric Cady, Nicholas Bowman, Alexandra Z. Greenbaum +10

The Nancy Grace Roman Space Telescope (``Roman'') is a 2.4m space telescope scheduled for a 2026 launch. The Coronagraph Instrument (CGI) on Roman is a technology-demonstration ins…

astro-ph.IM2025

Double-offset Cassegrain telescopes for the Ultraviolet Type Ia (UVIa) mission concept

Fernando Cruz Aguirre, Keri Hoadley, Curtis McCully +13

Our understanding of cosmology is shaped by Type Ia supernovae (SNe Ia), the runaway thermonuclear detonations of white dwarfs via accretion from a companion star. The nature of th…

astro-ph.IM2025★ 2 cited

Euclid preparation. Overview of Euclid infrared detector performance from ground tests

Euclid Collaboration, B. Kubik, R. Barbier +341

The paper describes the objectives, design and findings of the pre-launch ground characterisation campaigns of the Euclid infrared detectors. The pixel properties, including baseli…

astro-ph.IM2025★ 2 cited

Euclid VI. NISP-P optical ghosts

Euclid Collaboration, K. Paterson, M. Schirmer +309

The Near-Infrared Spectrometer and Photometer (NISP) onboard Euclid includes several optical elements in its path, which introduce artefacts into the data from non-nominal light pa…

astro-ph.IM2025★ 1 cited

Demonstration of Roman Coronagraph Instrument Star Acquisition in Thermal Vacuum

Nanaz Fathpour, Milan Mandic, Joel Shields +2

NASA's Nancy Grace Roman Space Telescope is a flagship astrophysics mission planned for launch no later than May 2027. The Coronagraph Instrument (CGI) aboard Roman will demonstrat…

astro-ph.IM2025

On the Size of the Mission Suite Enabled by NASA's Deep Space Network

T. Joseph W. Lazio

The Deep Space Network (DSN) is the primary means of commanding, tracking, and receiving data from all of NASA's deep space missions, as well as a number of deep space missions ope…

astro-ph.IM2025

Performance of the image persistence model for Euclid infrared detectors

B. Kubik, R. Barbier, G. Smadja +99

Large-format infrared detectors are at the heart of major ground and space-based astronomical instruments, and the HgCdTe HxRG is the most widely used. The Near Infrared Spectromet…

astro-ph.IM2025★ 3 cited

Direct High-Resolution Imaging of Earth-Like Exoplanets

Slava G. Turyshev

We have surveyed all conventional methods proposed or conceivable for obtaining resolved images of an Earth-like exoplanet. Generating a 10 x 10 pixel map of a 1 R_E world at 10 pc…

astro-ph.IM2025

Euclid preparation: The NISP spectroscopy channel, on ground performance and calibration

Euclid Collaboration, W. Gillard, T. Maciaszek +356

ESA's Euclid cosmology mission relies on the very sensitive and accurately calibrated spectroscopy channel of the Near-Infrared Spectrometer and Photometer (NISP). With three opera…

astro-ph.IM2025★ 2 cited

GRIP: a generic data reduction package for nulling interferometry

Marc-Antoine Martinod, Denis Defrere, Romain Laugier +4

Nulling interferometry is a powerful observing technique to study exoplanets and circumstellar dust at separations too small for direct imaging with single-dish telescopes. With re…

astro-ph.IM2025

Uranus Flagship Science-Driven Tour Design: Community Input Poll

Amy Simon, Ian Cohen, Matthew Hedman +3

The highest priority Planetary Flagship from the Planetary Science and Astrobiology Decadal Survey is the Uranus Orbiter and Probe. This mission enables broad, cross-disciplinary s…