Dr. Vincent Hue Profile

Dr. Vincent Hue

Research Scientist at Southwest Research Institute

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Publications (6)

Proceedings Article | 31 August 2022 Poster + Presentation + Paper

An ultraviolet stellar catalog for occultation measurements, planetary illumination modeling, and spectral sky map analyses

Michael Velez, Kurt Retherford, Vincent Hue, Joshua Kammer, G. Randall Gladstone, Michael Davis, Thomas Greathouse, Tracy Becker, Philippa Molyneux, Shawn Brooks, Ujjwal Raut, Andrew Steffl, Maarten Versteeg

Proceedings Volume 12181, 1218133 (2022) https://doi.org/10.1117/12.2630352

KEYWORDS: Ultraviolet radiation, Stars, Data modeling, Jupiter, Spectrographs, Atmospheric modeling, Spectral models, Reflectivity, Pluto, Oxygen

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SPIE Journal Paper | 19 November 2021

Updated radiometric and wavelength calibration of the Juno ultraviolet spectrograph

Vincent Hue, Rohini Giles, George Gladstone, Thomas Greathouse, Michael Davis, Joshua Kammer, Maarten Versteeg

JATIS, Vol. 7, Issue 04, 044003, (November 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.4.044003

KEYWORDS: Calibration, Ultraviolet radiation, Sensors, Spectrographs, Neon, Argon, Stars, Aluminum, Mirrors, Jupiter

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SPIE Journal Paper | 20 May 2019

Planning operations in Jupiter’s high-radiation environment: optimization strategies from Juno-ultraviolet spectrograph

Joshua Kammer, Vincent Hue, Thomas Greathouse, G. Randall Gladstone, Michael Davis, Maarten Versteeg

JATIS, Vol. 5, Issue 02, 027001, (May 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.2.027001

KEYWORDS: Space operations, Jupiter, Sensors, Data acquisition, Radiation effects, Spectrographs, Ultraviolet radiation, Auroras, Data storage, Microchannel plates

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Proceedings Article | 6 July 2018 Paper

Planning operations in Jupiter's high-radiation environment: optimization strategies from Juno-UVS

Joshua Kammer, Vincent Hue, Thomas Greathouse, G. Randall Gladstone, Michael Davis, Maarten Versteeg

Proceedings Volume 10699, 106993A (2018) https://doi.org/10.1117/12.2312261

KEYWORDS: Jupiter, Space operations, Sensors, Radiation effects, Data acquisition, Auroras, Electrons, Data storage, Electronics, Mirrors

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Proceedings Article | 6 July 2018 Presentation + Paper

Stray and scattered light properties of the Juno ultraviolet spectrograph

Michael Davis, G. Randall Gladstone, Thomas Greathouse, Vincent Hue, Maarten Versteeg

Proceedings Volume 10699, 106990J (2018) https://doi.org/10.1117/12.2312141

KEYWORDS: Light scattering, Sensors, Space operations, Mirrors, Ultraviolet radiation, Stray light, Spectrographs, Jupiter, Scatter measurement

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Proceedings Article | 6 July 2018 Paper

In-flight characterization and calibration of the Juno-Ultraviolet Spectrograph (Juno-UVS)

V. Hue, J. Kammer, G. Gladstone, T. Greathouse, M. Davis, B. Bonfond, M. Versteeg, D. Grodent, J.-C. Gérard, S. Bolton, S. Levin

Proceedings Volume 10699, 1069931 (2018) https://doi.org/10.1117/12.2311563

KEYWORDS: Stars, Ultraviolet radiation, Calibration, Sensors, Spectrographs, Jupiter, Mirrors, Microchannel plates, Databases, Photons

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The Juno mission is a NASA New Frontiers mission, orbiting Jupiter since 4 July 2016 and placed on a 53-day period, highly elliptical, polar orbit. The Ultraviolet Spectrograph onboard Juno (Juno-UVS) is a photoncounting imaging spectrograph, designed to cover the 68-210 nm spectral range.¹ This range includes the H₂ bands and the Lyman series produced in Jupiter’s far-ultraviolet (FUV) auroras. The purpose of Juno-UVS is to study Jupiter’s auroras from the unique vantage point above both poles allowed by Juno’s orbit, and to provide a wider auroral context for the in-situ particle and field instruments on Juno. Because of the 2 rpm spin of Juno, UVS nominally observes 7.5°x360° swaths of the sky during each spin of the spacecraft. The spatial resolutions along the slit and across the slit, i.e. in the spin direction, are respectively 0.16° and 0.2° , while the filled-slit spectral resolution is ∼1.3 nm.² UVS borrows heavily from previous instruments led by Southwest Research Institute (New-Horizons and Rosetta Alices, LRO-LAMP), major improvements are: (i) an extensive radiation shielding; (ii) a scan mirror which allows targeting specific auroral features; and (iii) an improved cross-delay line readout scheme of the microchannel plate (MCP) detector. The ability offered by the scan mirror combined with Juno’s spin allows UVS access to half of the sky during every spacecraft rotation. This pointing flexibility, combined with the changing spin-axis of the spacecraft since launch, has allowed UVS to map 99 % of the sky in the 68-210 nm range. This paper describes the substantial number of spectra that have been used to monitor the health of the instrument over the course of the mission. More than 5800 spectra of mainly O, A, and B spectral-type stars in the V-magnitude range of ∼0-7 have been extracted to date. Selected stars among this list are used to calibrate the UVS instrument. This paper describes how previous spectral databases from the International Ultraviolet Explorer have been refined and adapted for UVS’ calibration purposes, in combination with observations from the Hubble Space Telescope. The retrieved effective area of the instrument peaks around 0.28 at ∼125 nm, with uncertainties lower than 10%.

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