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Bailey, J. J. and M. Gruntman (2011), Experimental study of exospheric hydrogen atom distributions by Lyman-alpha detectors on the TWINS mission, J. Geophys. Res., 116, A09302, doi:2011JA016531.

Bailey, J. J. and M. Gruntman (2013), Observations of exosphere variations during geomagnetic storms, Geophys. Res. Lett., 40, doi:10.1002/grl.50443.

Bazell, D. and E. Roelof and T. Sotirelis and P. Brandt and H. Nair and P. Valek and J. Goldstein and D. McComas (2010), Comparison of TWINS Images of Low-Altitude Emission (LAE) of Energetic neutral atoms With DMSP Precipitating Ion Fluxes, J. Geophys. Res., 115, A10204, doi:10.1029/2010JA015644.

Buzulukova, N. and M. Fok and J. Goldstein and P. Valek and D. McComas and A. Glocer and H. Korth and B. Anderson (2017), Magnetosphere dynamics during the 14 November 2012 storm inferred from TWINS, AMPERE, Van Allen Probes and BATSRUS-CRCM, Ann. Geophys., doi:10.5194/angeo-2017-114, submitted.

Buzulukova, N. and M.-C. Fok and E. C. Roelof and J. Redfern and J. Goldstein and P. Valek and D. J. McComas (2013), Comparative analysis of low altitude ENA emissions in two substorms, J. Geophys. Res., 118, 724, doi:10.1002/jgra.50103.

Buzulukova, N. and M.-C. Fok and J.Goldstein and P. Valek and D. McComas and P. C. Brandt (2010), Ring current dynamics in modest and strong storms: Comparative analysis of TWINS and IMAGE/HENA data with CRCM, J. Geophys. Res., 115, A12234, doi:10.1029/2010JA015292.

Chen, M. W. and Lemon, C. L. and Guild, T. B. and Keesee, A. M. and Lui, A. and Goldstein, J. and Rodriguez, J. V. and Anderson, P. C. (2015), Effects of modeled ionospheric conductance and electron loss on self-consistent ring current simulations during the 5-7 April 2010 storm, J. Geophys. Res., 120, 5355, doi:10.1002/2015JA021285.

Chen, M. W. and T. B. Guild and J. F. Fennell and J. H. Clemmons and J. B. Blake and J. L. Roeder (2015), Long-Term Galactic Cosmic Ray Environment Response of Plasma Analyzers on High-Altitude Spacecraft, J. Space. Rockets, 52, doi:10.2514/1.A33022.

Delmonico, Eric (2015), Extending Twins Composition Analysis Of Oxygen And Hydrogen, University of Texas at San Antonio, San Antonio, TX.

Elfritz, J. G. and A. M. Keesee and N. Buzulukova and M. -C. Fok and E. E. Scime. (2014), First Results Using TWINS-Derived Ion Temperature Boundary Conditions in CRCM, J. Geophys. Res., 119, 3345, doi:10.1029/2013JA019555.

Fok, M.-C. and Buzulukova, N. Y. and Chen, S.-H. and Glocer, A. and Nagai, T. and Valek, P. and Perez, J. D. (2014), The Comprehensive Inner Magnetosphere-Ionosphere Model, J. Geophys. Res., 119, 7522, doi:10.1002/2014JA020239.

Fok, M.-C. and N. Buzulukova and S.-H. Chen and P. W. Valek and J. Goldstein and D. J. McComas (2010), Simulation and TWINS Observations of the 22 July 2009 Storm, J. Geophys. Res., 115, A12231, A12, doi:2010JA015443.

Glocer, A. and M.-C. Fok and T. Nagai and G. Toth and T. Guild and J. Blake (2011), Rapid rebuilding of the outer radiation belt, J. Geophys. Res., 116, A09213, doi:10.1029/2011JA016516.

Glocer, A. and M.-C. Fok and X. Meng and G. Toth and N. Buzulukova and S.-H. Chen and K. Lin (2013), CRCM-BATSRUS two way coupling, J. Geophys. Res., 118, 4, 1635, doi:10.1029/2012JA018582.

Goldstein, J. (2017), Empirical Model of Precipitating Ion Oval, J. Geophys. Res., doi:10.1029/2017JA024622, in press.

Goldstein, J. and Bisikalo, D. V. and Shematovich, V. I. and Gerard, J.-C. and S\oraas, F. and McComas, D. J. and Valek, P. W. and LLera, K. and Redfern, J. (2016), Analytical estimate for low-altitude ENA emissivity, J. Geophys. Res., 121, 1167, doi:10.1002/2015JA021773.

Goldstein, J. and D. J. McComas (2013), Five Years of Stereo Magnetospheric Imaging by TWINS, Space Sci. Rev., 180, 39, doi:10.1007/s11214-013-0012-8.

Goldstein, J. and D. J. McComas (2017), The Big Picture: Imaging of the Global Geospace Environment by the TWINS Mission, Rev. Geophys., doi:10.1029/2017RG000583, submitted.

Goldstein, J. and K. LLera and D. J. McComas and J. Redfern and P. W. Valek (2017), Empirical characterization of low altitude ions derived from TWINS, J. Geophys. Res., doi:10.1002/2017JA024957, submitted.

Goldstein, J. and P. Valek and D. J. McComas and J. Redfern and F. Soraas (2013), Local-time dependent low-altitude ion spectra deduced from TWINS ENA images, J. Geophys. Res., 118, doi:10.1002/jgra.50222.

Goldstein, J. and V. Angelopoulos and S. De Pascuale and H. O. Funsten and W. S. Kurth and K. LLera and D. J. McComas and J. D. Perez and G. D. Reeves and H. E. Spence and P. W. Valek (2017), Cross-scale observations of the 2015 St. Patrick's day storm: THEMIS, Van Allen Probes, and TWINS, J. Geophys. Res., 122, doi:10.1002/2016JA023173.

Goldstein, J. and Valek, P. and McComas, D. J. and Redfern, J. (2012-April), Latitudinal anisotropy in ring current energetic neutral atoms, Geophys. Res. Lett., 39, L08102.

Goldstein, J. and Valek, P. and McComas, D. J. and Redfern, J. (2012-November), TWINS energetic neutral atom observations of local-time-dependent ring current anisotropy, J. Geophys. Res., 117, A16, A11213, doi:10.1029/2012JA017804.

Grimes, E. W. and J. D. Perez and J. Goldstein and D. J. McComas and P. Valek (2010), Global observations of ring current dynamics during CIR-driven geomagnetic storms in 2008, J. Geophys. Res., 115, A11, A11207, doi:10.1029/2010JA015409.

Grimes, E. W. and J. D. Perez and J. Goldstein and D. J. McComas and P. Valek and D. Turner (2013), Comparison of TWINS and THEMIS observations of proton pitch angle distributions in the ring current during the 29 May 2010 geomagnetic storm, J. Geophys. Res., 118, 8, 4895, doi:10.1002/jgra.50455.

Ilie, R. and R. M. Skoug and H. O. Funsten and M. W. Liemohn and J. J. Bailey and M. Gruntman (2013), The impact of geocoronal density on ring current development, J. Atmos. Solar-Terr. Phys., 99, 92, doi:10.1016/j.jastp.2012.03.010.

Ilie, R. and Skoug, R. M. and Valek, P. and Funsten, H. O. and Glocer, A. (2013), Global view of inner magnetosphere composition during storm time, J. Geophys. Res., 118, 7074, doi:10.1002/2012JA018468.

Katus, R. M. and A. M. Keesee and E. Scime and M. W. Liemohn (2017), Storm time equatorial magnetospheric ion temperature derived from TWINS ENA flux, J. Geophys. Res., 122, 3985, doi:10.1002/2016JA023824.

Keesee, A. M. (2017), A Review of Dawn-Dusk Asymmetries Observed Using the TWINS Mission of Opportunity, Dawn-Dusk Asymmetries in Planetary Plasma Environments Geophysical Monograph 229, Haaland, S. and A. Runov and C. Forsyth, American Geophysical Union, Washington, D. C., in press.

Keesee, A. M. and C. Coryea and T. Ensign (2015), Engaging Students in West Virginia in the Science of the Sun and Space Weather, The Earth Scientist, XXXI, 1, 18.

Keesee, A. M. and E. E. Scime (2015), Database of Ion Temperature Maps During Geomagnetic Storms, Earth and Space Sci., 2, 39, doi:10.1002/2014EA000061.

Keesee, A. M. and J. G. Elfritz and D. J. McComas and E. E. Scime (2012), Inner magnetosphere convection and magnetotail structure of hot ions imaged by ENA during a HSS-driven storm, J. Geophys. Res., 117, A00L06, doi:10.1029/2011JA017319.

Keesee, A. M. and J. G. Elfritz and M.-C. Fok and D.J. McComas and E.E. Scime (2014), Superposed epoch analysis of ion temperature evolution during CME- and CIR/HSS-driven storms, J. Atmos. Solar-Terr. Phys., 115, 67, doi:10.1016/j.jastp.2013.08.009.

Keesee, A. M. and M. W. Chen and E. E. Scime and A. T. Y. Lui (2014), Regions of ion energization observed during the Galaxy-15 substorm with TWINS, J. Geophys. Res., 119, doi:10.1002/2014JA020466.

Keesee, A. M. and R. M. Katus and E. E. Scime (2017), The effect of storm driver and intensity on magnetospheric ion temperatures, J. Geophys. Res., 122, doi:10.1002/2017JA023973.

Keesee, A. and N. Buzulukova and J. Goldstein and D. J. McComas and E. E. Scime and H. Spence and K. Tallaksen (2011), Remote Observations of Ion Temperatures in the Quiet Time Magnetosphere, Geophys. Res. Lett., 38, L03104, doi:10.1029/2010GL045987.

LLera, K. (2017), Energetics of Near-Earth Particles: Energy Correction in Observation and Measurement, University of Texas San Antonio.

LLera, K. and J. Goldstein and D. McComas and P. Valek (2017), Low Altitude Emission of Energetic Neutral Atoms: Multiple Interactions and Energy Loss, J. Geophys. Res., 122, doi:10.1002/2017JA024016, in press.

Ma, S.-Y. and W.-N. Yan and L. Xu (2015), Tomographic reconstruction of storm time RC ion distribution from ENA images on board multiple spacecraft, J. Geophys. Res., 120, doi:10.1002/2015JA021601.

McComas, D. J. and F. Allegrini and J. Baldonado and B. Blake and P.C. Brandt and J. Burch and J. Clemmons and W. Crain and D. Delapp and R. DeMajistre and D. Everett and H. Fahr and L. Friesen and H. Funsten and J. Goldstein and M. Gruntman and R. Harbaugh and R. Harper and H. Henkel and C. Holmlund and G. Lay and D. Mabry and D. Mitchell and U. Nass and C. Pollock and S. Pope and M. Reno and S. Ritzau and E. Roelof and E. Scime and M. Sivjee and R. Skoug and T.S. Sotirelis and M. Thomsen and C. Urdiales and P. Valek and K. Viherkanto and S. Weidner and T. Ylikorpi and M. Young and J. Zoennchen (2009), The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) NASA Mission-of-Opportunity, Space Sci. Rev., 142, 157, doi:10.1007/s11214-008-9467-4.

McComas, D. J. and N. Buzulukova and M. G. Connors and M. A. Dayeh and J. Goldstein and H. O. Funsten and S. Fuselier and N. A. Schwadron and P. Valek (2012), Two Wide-Angle Imaging Neutral-Atom Spectrometers and Interstellar Boundary Explorer energetic neutral atom imaging of the 5 April 2010 substorm, J. Geophys. Res., 117, A03225, doi:10.1029/2011JA017273.

Nass, H. U. and J. H. Zoennchen and G. Lay and H. J. Fahr (2006), The TWINS-LAD mission: Observations of terrestrial Lyman-alpha fluxes, Astrophys. Space Sci. Trans., 2, 27.

Perez, J. D. and E. W. Grimes and J. Goldstein and D. J. McComas and P. Valek and N. Billor (2012), Evolution of CIR Storm on 22 July 2009, J. Geophys. Res., 117, A09221, doi:10.1029/2012JA017572.

Perez, J. D. and Goldstein, J. and McComas, D. J. and Valek, P. and Fok, M.-C. and Hwang, K.-J. (2016), Global images of trapped ring current ions during main phase of 17 March 2015 geomagnetic storm as observed by TWINS, J. Geophys. Res., 121, 6509, doi:10.1002/2016JA022375.

Perez, J. D. and Goldstein, J. and McComas, D. J. and Valek, P. and Buzulukova, N. and Fok, M.-C. and Singer, H. J. (2015), TWINS stereoscopic imaging of multiple peaks in the ring current, J. Geophys. Res., 120, 368, doi:10.1002/2014JA020662.

Perez, J. D. and J. Edmond and S. Hill and X. Hanyun and N. Buzulukova and M-C. Fok and J. Goldstein and D. J. McComas and P. W. Valek (2017), Dynamics of a Double-Dip Storm on 7 -- 10 September 2015 as Observed by TWINS and Simulated by CIMI, J. Geophys. Res., doi:10.1002/2017JA024918, submitted.

Valek, P. W. and Delmonico, E. B. and Goldstein, J. and McComas, D. J. and Perez, J. D. (2017), Extended energy, composition separated ENA observations of the St. Patricks day storm, J. Geophys. Res., 122, doi:10.1002/2017JA024997, submitted.

Valek, P. W. and Goldstein, J. and Jahn, J.-M. and McComas, D. J. and Spence, H. E. (2015), First joint in situ and global observations of the medium-energy oxygen and hydrogen in the inner magnetosphere, J. Geophys. Res., 120, 7615, doi:10.1002/2015JA021151.

Valek, P. W. and Goldstein, J. and McComas, D. J. and Iiie, R. and Buzulukova, N. and Fok, M.-C. and Perez, J. D. (2013), Oxygen-hydrogen differentiated observations from TWINS: The 22 July 2009 storm, J. Geophys. Res., 118, 3377, doi:10.1002/jgra.50204.

Valek, P. and J. Goldstein and D. J. McComas and M. Fok and D. G. Mitchell (2014), Large magnetic storms as viewed by TWINS: A study of the differences in the medium energy ENA composition, J. Geophys. Res., 119, doi:10.1002/2014JA019782.

Valek, P. and P. C. Brandt and N. Buzulukova and M.-C. Fok and J. Goldstein and D. J. McComas and J. D. Perez and E. Roelof and R. Skoug (2010), Evolution of low altitude and ring current ENA emissions from a moderate magnetospheric storm: Continuous and simultaneous TWINS observations, J. Geophys. Res., 115, A111209, doi:10.1029/2010JA015429.

Wood, K. D. and J. D. Perez and J. Goldstein and D. J. McComas and P. W. Valek (2017), Field Aligned Currents Driven by Pressure Gradients in the Ring Current as Determined from TWINS ENA Images for a Storm on 01 June 2013, J. Geophys. Res., 122, doi:10.1002/2017JA024748, submitted.

Zoennchen, J. H. and J. J. Bailey and U. Nass and M. Gruntman and H. J. Fahr and J. Goldstein (2011), The TWINS exospheric neutral H-density distribution under solar minimum conditions, Ann. Geophys., 29, 2211, doi:10.5194/angeo-29-2211-2011.

Zoennchen, J. H. and U. Nass and G. Lay and H. J. Fahr (2010), 3D-Geocoronal hydrogen density derived from TWINS Ly-alpha-data, Ann. Geophys., 28, 1221, doi:10.5194/angeo-28-1221-2010.

Zoennchen, J. H. and U. Nass and H. J. Fahr (2013), Exospheric hydrogen density distributions for equinox and summer solstice observed with TWINS1/2 during solar minimum, Ann. Geophys., 31, 513, doi:10.5194/angeo-31-513-2013.

Zoennchen, J. H. and U. Nass and H. J. Fahr (2015), Terrestrial exospheric hydrogen density distributions under solar minimum and solar maximum conditions observed by the TWINS stereo mission, Ann. Geophys., 33, 413, doi:10.5194/angeo-33-413-2015.

Zoennchen, J. H. and U. Nass and H. J. Fahr and J. Goldstein (2017), The response of the H-geocorona between 3 to 8 Re to geomagnetic disturbances sutdied by TWINS stereo Lyman-alpha data, Ann. Geophys., 35, 171, doi:10.5194/angeo-35-171-2017.



 

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