GUVI

Global UltraViolet Imager

GUVI Biblio





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Found 38 entries in the Bibliography.


Showing entries from 1 through 38


2018

Material flux from the rings of Saturn into its atmosphere

Perry, ME; , Waite; Mitchell, DG; Miller, KE; Cravens, TE; Perryman, RS; Moore, L; Yelle, RV; Hsu, H-W; Hedman, MM; , others;

Published by: Geophysical Research Letters      Published on:

YEAR: 2018     DOI:

2013

Multiple neutral density measurements in the lower thermosphere with cold-cathode ionization gauges

Cold-cathode ionization gauges were used for rocket-borne measurements of total neutral density and temperature in the aurorally forced lower thermosphere between 90 and 200\ km. A commercial gauge was adapted as a low-cost instrument with a spherical antechamber for measurements in molecular flow conditions. Three roll-stabilized payloads on different trajectories each carried two instruments for measurements near the ram flow direction along the respective upleg and downleg segments of a flight path, and six densit ...

Lehmacher, G.A.; Gaulden, T.M.; Larsen, M.F.; Craven, J.D.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 01/2013

YEAR: 2013     DOI: 10.1016/j.jastp.2012.11.002

Instruments and techniques; Pressure density and temperature; thermosphere

2008

Validation of the Plasma Densities and Temperatures From the ISS Floating Potential Measurement Unit

The validation of the floating potential measurement unit (FPMU) plasma density and temperature measurements is an important step in the process of evaluating International Space Station (ISS) spacecraft charging issues including vehicle arcing and hazards to crew during extravehicular activities. The highest potentials observed on the Space Station are due to the combined Vsp times B effects on a large spacecraft and the collection of ionospheric electron and ion currents by the 160-V U.S. solar array modules. The ionospher ...

Coffey, Victoria; Wright, Kenneth; Minow, Joseph; Schneider, Todd; Vaughn, Jason; Craven, Paul; Chandler, Michael; Koontz, Steven; Parker, Linda; Bui, Them;

Published by: IEEE Transactions on Plasma Science      Published on: Oct

YEAR: 2008     DOI: 10.1109/TPS.2008.2004271

Aeronomy science based on NASA TIMED/GUVI ultraviolet images of the Earth

Christensen, Andrew; Craven, John; Crowley, Geoff; Meier, Robert; Paxton, Larry;

Published by: 37th COSPAR Scientific Assembly      Published on:

YEAR: 2008     DOI:

Solar system ionospheres

This article reviews our understanding of the ionospheres in the solar system. It provides some basic information on the sources and sinks of the ionospheric plasma, its dynamics, the energetics and the coupling to the neutral atmosphere. Ionospheres in the solar system are reviewed and comparative ionospheric topics are discussed.

Witasse, O; Cravens, T; Mendillo, M; Moses, J; Kliore, A; Nagy, AF; Breus, T;

Published by: Comparative Aeronomy      Published on:

YEAR: 2008     DOI:

2007

First terrestrial soft X-ray auroral observation by the Chandra X-ray Observatory

Bhardwaj, Anil; Gladstone, Randall; Elsner, Ronald; Ostgaard, Nikolai; Waite, Hunter; Cravens, Thomas; Chang, Shen-Wu; Majeed, Tariq; Metzger, Albert;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: Jan-02-2007

YEAR: 2007     DOI: 10.1016/j.jastp.2006.07.011

Validation of ISS Floating Potential Measurement Unit Electron Densities and Temperatures

Validation of the Floating Potential Measurement Unit (FPMU) electron density and temperature measurements is an important step in the process of evaluating International Space Station spacecraft charging issues .including vehicle arcing and hazards to crew during extravehicular activities. The highest potentials observed on Space Station are due to the combined VxB effects on a large spacecraft and the collection of ionospheric electron and ion currents by the 160 V US solar array modules. Ionospheric electron environmen ...

Coffey, V.; Minow, J.; Schneider, T.; Vaughn, J.; Craven, P.; Parker, L.; Bui, T.; Wright, K.; Koontz, S.;

Published by:       Published on: 06/2007

YEAR: 2007     DOI:

Thermospheric O/N2 in the Sunlit Disk From More Than Five Years of GUVI/TIMED Observations

Craven, JD; Christensen, AB; Paxton, LJ;

Published by:       Published on:

YEAR: 2007     DOI:

2006

Effect of IMF By on thermospheric composition at high and middle latitudes: 2. Data comparisons

Immel, Thomas; Crowley, Geoff; Hackert, Chris; Craven, John; Roble, Ray;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2006     DOI:

Thermospheric O/N2 ratio observations obtained over more than four years with the GUVI instrument in the TIMED spacecraft mission

Craven, JD; Christensen, AB; Paxton, LJ; Strickland, DJ;

Published by:       Published on:

YEAR: 2006     DOI:

The importance of high latitude inputs in correctly modeling the magnitude and extend of thermospheric storms

Immel, Thomas; Crowley, Geoff; Craven, John;

Published by: Adv. Space Res      Published on:

YEAR: 2006     DOI:

Effect of IMF BY on thermospheric composition at high and middle latitudes: 1. Numerical experiments

Magnetic storms and their effects on the thermosphere and ionosphere have been studied for many years, yet there are many aspects of the thermospheric and ionospheric responses that are not understood. The purpose of this paper is to show how the high-latitude composition depends on the sign of the IMF BY component, using controlled simulations with a global first principles model. Because the high-latitude convection and neutral wind systems are strongly controlled by the IMF BY component, it seems likely that the compositi ...

Crowley, G.; Immel, T.; Hackert, C.; Craven, J.; Roble, R.;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2006     DOI: https://doi.org/10.1029/2005JA011371

composition; thermospheric

2005

The High-Latitude Knee of the O/N2 Ratio Profile: Latitudinal Variations with UT, Local Time, Season, and Magnetic Activity

Craven, JD; Christensen, AB; Meier, RR; Paxton, LJ; Strickland, DJ;

Published by:       Published on:

YEAR: 2005     DOI:

2004

Quiet-time seasonal behavior of the thermosphere seen in the far ultraviolet dayglow

The TIMED/GUVI instrument is a far ultraviolet spectrograph that obtains images in five spectrally resolved wavelength channels. These images yield information on the dayside composition, temperature, solar EUV flux, large-scale wave structures, and auroral processes. In this paper we present an overview analysis of Earth-disk images for four seasons (March, July, and September 2002 and January 2003). Days were selected during geomagnetically quiet periods when the Sun was nearly in the orbital plane (noon orbits). Two of ...

Strickland, D.; Meier, R.; Walterscheid, R.; Christensen, A.; Paxton, L.; Morrison, D.; Craven, J.; Crowley, G.;

Published by: Journal of Geophysical Research      Published on: 01/2004

YEAR: 2004     DOI: 10.1029/2003JA010220

far ultraviolet; remote sensing; seasonal behavior; thermosphere

Thermospheric Composition Changes in the Morning Sector near Local Midnight in Association with Substorm Activity and IMF Orientation

Craven, JD; Christensen, AB; Meier, RR; Paxton, LJ; Strickland, DJ;

Published by:       Published on:

YEAR: 2004     DOI:

Solar EUV irradiance variability derived from terrestrial far ultraviolet dayglow observations

Remotely sensed ultraviolet emissions from the Earth s upper atmosphere are shown to mirror fluctuations in solar EUV irradiance during July 2002, including the overall increase and decrease as the Sun rotated, and episodic increases associated with multiple solar flares. The TIMED/GUVI dayglow observations are used to derive a new quantity, QEUVGUVI, which is a measure of integrated solar EUV electromagnetic energy shortward of 45 nm. Both the absolute QEUVGUVI values and their modulation by solar rotation agree well with t ...

Strickland, D.J.; Lean, J.L.; Meier, R.R.; Christensen, A.B.; Paxton, L.J.; Morrison, D.; Craven, J.D.; Walterscheid, R.L.; Judge, D.L.; McMullin, D.R.;

Published by: Geophysical research letters      Published on:

YEAR: 2004     DOI: 10.1029/2003GL018415

2003

Automatic Detection of Equatorial Plasma Bubbles in GUVI Data

Henderson, S; Swenson, C; Straus, P; Kil, H; Christensen, A; Paxton, L; Morrison, D; Crowley, G; Meier, R; Craven, J; , others;

Published by:       Published on:

YEAR: 2003     DOI:

The Sun-Earth Connection as Viewed from GUVI on TIMED

Paxton, L; Christensen, A; Avery, S; Craven, J; Crowley, G; Meier, R; Meng, C; Srickland, D; Swenson, C; Walterscheid, R; , others;

Published by:       Published on:

YEAR: 2003     DOI:

Search for thermospheric composition changes in the morning sector near local midnight in association with intense substorm activity

Craven, JD; Strickland, DJ; Meier, RR; Crowley, G; Christensen, AB; Paxton, LJ; Morrison, D; Avery, SK; Meng, C; Straus, PR; , others;

Published by:       Published on:

YEAR: 2003     DOI:

Retrieval of thermospheric temperature and N2, O, and O2 concentrations from GUVI limb scans

Meier, RR; Strickland, DJ; Picone, JM; Christensen, AB; Paxton, LJ; Morrison, D; Kil, H; Bishop, J; Drob, D; Craven, JD; , others;

Published by:       Published on:

YEAR: 2003     DOI:

Initial observations with the Global Ultraviolet Imager (GUVI) in the NASA TIMED satellite mission

The Global Ultraviolet Imager (GUVI) instrument carried aboard the NASA TIMED satellite measures the spectral radiance of the Earth\textquoterights far ultraviolet airglow in the spectral region from 120 to 180 nm using a cross-track scanning spectrometer design. Continuous operation of the instrument provides images of the Earth\textquoterights disk and limb in five selectable spectral bands. Also, spectra at fixed scanning mirror position can be obtained. Initial results demonstrate the quantitative functionality of the ...

Christensen, AB; Paxton, LJ; Avery, S; Craven, J; Crowley, G; Humm, DC; Kil, H; Meier, RR; Meng, C-I; Morrison, D; , others;

Published by: Journal of Geophysical Research: Space Physics (1978\textendash2012)      Published on:

YEAR: 2003     DOI: 10.1029/2003JA009918

airglow; AURORA; ultraviolet; imaging; satellite; atmosphere

2002

Products Derived From GUVI Dayglow and Auroral Data

Strickland, DJ; Christensen, A; Meier, R; Paxton, L; Morrison, D; Craven, J; Crowley, G; Waltersheid, R; Avery, S; Meng, C;

Published by:       Published on:

YEAR: 2002     DOI:

Global Ultaviolet Imager (GUVI): on-Orbit Performance and Initial Results

Christensen, AB; Strickland, D; Paxton, L; Morrison, D; Crowley, G; Meier, R; Craven, J; Meng, C; Swenson, C; Walterscheid, R; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Search for Thermospheric Composition Changes in the Morning Sector near Local Midnight in Association with Substorm Activity

Craven, JD; Strickland, DJ; Meier, RR; Crowley, G; Christensen, AB; Paxton, LJ; Morrison, D; Avery, SK; Meng, C; Straus, PR; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric composition derived from TIMED/GUVI limb scans

Meier, RR; Strickland, DJ; Christensen, AB; Paxton, LJ; Morrison, MD; Craven, JD; Crowley, G; Walterscheid, RL; Avery, SK; Meng, CI;

Published by:       Published on:

YEAR: 2002     DOI:

$\$GUVI$\$ Observations of Night Time Ionospheric Morphology

Swenson, CM; Christensen, AB; Walterscheid, RJ; Paxton, LJ; Meng, CI; Craven, JD; Meier, RR; Strickland, DJ; Crowley, G;

Published by:       Published on:

YEAR: 2002     DOI:

Exploiting Web-Based Systems to Provide Interactive Interpretation, Access and Display of Far Ultraviolet Data from the Global Ultraviolet Imager (GUVI) on TIMED

Weiss, MB; Paxton, LJ; Barnes, RJ; Eichert, JJ; Wood, WC; Morrison, D; Christensen, AB; Strickland, DJ; Craven, JD; Meier, RR; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Seasonal Variation of Thermospheric Composition as Measured by TIMED/GUVI

Crowley, G; Paxton, LJ; Christensen, AB; Morrison, D; Strickland, DJ; Craven, JD; Meier, R; Straus, P; Walterscheid, R; Meng, C; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric and Ionospheric Response to the Solar Flares of April 2002 as Observed by the TIMED Global UltraViolet Imager (GUVI)

Wolven, B; Paxton, L; Morrison, D; Zhang, Y; Kil, H; Meng, C; Christensen, A; Straus, PR; Walterscheid, R; Craven, JD; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Thermospheric Composition: GUVI Observations of O/N2

Christensen, AB; Strickland, DJ; Paxton, LJ; Morrison, D; Crowley, G; Meier, RR; Craven, JD; Meng, CI; Swenson, CM; Walterscheid, RL; , others;

Published by:       Published on:

YEAR: 2002     DOI:

Data Visualization Tools and Techniques developed for the TIMED/GUVI Instrument

Morrison, D; Barnes, R; Paxton, L; Weiss, M; Wolven, B; Christensen, A; Craven, J; Crowley, G; Avery, S; Meier, R; , others;

Published by:       Published on:

YEAR: 2002     DOI:

A Quantitative Image Processing Approach to GUVI Observations of the Equatorial Arcs.

Henderson, S; Straus, PR; Swenson, CM; Kil, H; Christensen, A; Paxton, LJ; Crowley, G; Meier, RR; Morrison, D; Craven, JD; , others;

Published by:       Published on:

YEAR: 2002     DOI:

2001

The Solar Connections Observatory for Planetary Environments (SCOPE)

Oliversen, R; Harris, W; Ballester, G; Bougher, S; Broadfoot, L; Combi, M; Cravens, T; Gombosi, T; Herbert, F; Joseph, C; , others;

Published by:       Published on:

YEAR: 2001     DOI:

Negative ionospheric storm coincident with DE 1-observed thermospheric disturbance on October 14, 1981

Strickland, DJ; Daniell, RE; Craven, JD;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2001     DOI:

1994

Variations in the FUV dayglow after intense auroral activity

Craven, JD; Nicholas, AC; Frank, LA; Strickland, DJ; Immel, TJ;

Published by: Geophysical research letters      Published on:

YEAR: 1994     DOI:

Global ultraviolet imager (GUVI) for the NASA Thermosphere-Ionsphere-Mesosphere Energetics and Dynamics (TIMED) mission

Christensen, Andrew; Walterscheid, Richard; Ross, Martin; Meng, Ching-I; Paxton, Larry; Anderson, Donald; Crowley, Geoffrey; Avery, Susan; Craven, John; Meier, Robert; , others;

Published by:       Published on:

YEAR: 1994     DOI:

1993

Thermal nitrogen (+) in the inner magnetosphere

Craven, Paul;

Published by:       Published on:

YEAR: 1993     DOI:

1985

Models of Venus neutral upper atmosphere: Structure and composition

Keating, GM; Bertaux, JL; Bougher, SW; Dickinson, RE; Cravens, Tom; Nagy, Andrew; Hedin, AE; Krasnopolsky, VA; , Nicholson; Paxton, LJ; , others;

Published by: Advances in Space Research      Published on:

YEAR: 1985     DOI:



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