Search Results - "HOEKSEMA, J. T"

SOLAR MAGNETIC FIELD REVERSALS AND THE ROLE OF DYNAMO FAMILIES by DEROSA, M. L, BRUN, A. S, HOEKSEMA, J. T

“…The variable magnetic field of the solar photosphere exhibits periodic reversals as a result of dynamo activity occurring within the solar interior. We…”
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The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: SHARPs – Space-Weather HMI Active Region Patches by Bobra, M. G., Sun, X., Hoeksema, J. T., Turmon, M., Liu, Y., Hayashi, K., Barnes, G., Leka, K. D.

“…A new data product from the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO) called Space-weather HMI Active Region Patches…”
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The Helioseismic and Magnetic Imager (HMI) Investigation for the Solar Dynamics Observatory (SDO) by Scherrer, P. H., Schou, J., Bush, R. I., Kosovichev, A. G., Bogart, R. S., Hoeksema, J. T., Liu, Y., Duvall, T. L., Zhao, J., Title, A. M., Schrijver, C. J., Tarbell, T. D., Tomczyk, S.

“…The Helioseismic and Magnetic Imager (HMI) instrument and investigation as a part of the NASA Solar Dynamics Observatory (SDO) is designed to study…”
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Observables Processing for the Helioseismic and Magnetic Imager Instrument on the Solar Dynamics Observatory by Couvidat, S., Schou, J., Hoeksema, J. T., Bogart, R. S., Bush, R. I., Duvall, T. L., Liu, Y., Norton, A. A., Scherrer, P. H.

“…NASA’s Solar Dynamics Observatory (SDO) spacecraft was launched 11 February 2010 with three instruments onboard, including the Helioseismic and Magnetic Imager…”
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Testing Automated Solar Flare Forecasting with 13 Years of Michelson Doppler Imager Magnetograms by Mason, J. P, Hoeksema, J. T

“…Flare occurrence is statistically associated with changes in several characteristics of the line-of-sight magnetic field in solar active regions (ARs). We…”
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Design and Ground Calibration of the Helioseismic and Magnetic Imager (HMI) Instrument on the Solar Dynamics Observatory (SDO) by Schou, J., Scherrer, P. H., Bush, R. I., Wachter, R., Couvidat, S., Rabello-Soares, M. C., Bogart, R. S., Hoeksema, J. T., Liu, Y., Duvall, T. L., Jr, Akin, D. J., Allard, B. A., Miles, J. W., Rairden, R., Shine, R. A., Tarbell, T. D., Title, A. M., Wolfson, C. J., Elmore, D. F., Norton, A. A.., Tomczyk, S.

“…The Helioseismic and Magnetic Imager (HMI) investigation will study the solar interior using helioseismic techniques as well as the magnetic field near the…”
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How Should One Optimize Nonlinear Force-Free Coronal Magnetic Field Extrapolations from SDO/HMI Vector Magnetograms? by Wiegelmann, T., Thalmann, J. K., Inhester, B., Tadesse, T., Sun, X., Hoeksema, J. T.

“…The Helioseismic and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO) provides photospheric vector magnetograms with a high spatial and…”
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Comparison of Line-of-Sight Magnetograms Taken by the Solar Dynamics Observatory/Helioseismic and Magnetic Imager and Solar and Heliospheric Observatory/Michelson Doppler Imager by Liu, Y., Hoeksema, J. T., Scherrer, P. H., Schou, J., Couvidat, S., Bush, R. I., Duvall, T. L., Hayashi, K., Sun, X., Zhao, X.

“…We compare line-of-sight magnetograms from the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO) and the Michelson Doppler…”
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The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Optimization of the Spectral Line Inversion Code by Centeno, R., Schou, J., Hayashi, K., Norton, A., Hoeksema, J. T., Liu, Y., Leka, K. D., Barnes, G.

“…The Very Fast Inversion of the Stokes Vector (VFISV) is a Milne–Eddington spectral line inversion code used to determine the magnetic and thermodynamic…”
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On-Orbit Performance of the Helioseismic and Magnetic Imager Instrument onboard the Solar Dynamics Observatory by Hoeksema, J. T., Baldner, C. S., Bush, R. I., Schou, J., Scherrer, P. H.

“…The Helioseismic and Magnetic Imager (HMI) instrument is a major component of NASA's Solar Dynamics Observatory (SDO) spacecraft. Since commencement of full…”
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The Magnetic Field at the Inner Boundary of the Heliosphere Around Solar Minimum by Zhao, X. P., Hoeksema, J. T.

“…STEREO A and B observations of the radial magnetic field between 1 January 2007 and 31 October 2008 show significant evidence that in the heliosphere, the…”
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The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Magnetohydrodynamics Simulation Module for the Global Solar Corona by Hayashi, K., Hoeksema, J. T., Liu, Y., Bobra, M. G., Sun, X. D., Norton, A. A.

“…Time-dependent three-dimensional magnetohydrodynamics (MHD) simulation modules are implemented at the Joint Science Operation Center (JSOC) of the Solar…”
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Helioseismic Studies of Differential Rotation in the Solar Envelope by the Solar Oscillations Investigation Using the Michelson Doppler Imager by Schou, J, Antia, H. M, Basu, S, Bogart, R. S, Bush, R. I, Chitre, S. M, Christensen-Dalsgaard, J, Di Mauro, M. P, Dziembowski, W. A, Eff-Darwich, A, Gough, D. O, Haber, D. A, Hoeksema, J. T, Howe, R, Korzennik, S. G, Kosovichev, A. G, Larsen, R. M, Pijpers, F. P, Scherrer, P. H, Sekii, T, Tarbell, T. D, Title, A. M, Thompson, M. J, Toomre, J

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Earth-Affecting Solar Causes Observatory (EASCO): A potential International Living with a Star Mission from Sun–Earth L5 by Gopalswamy, N., Davila, J.M., St. Cyr, O.C., Sittler, E.C., Auchère, F., Duvall, T.L., Hoeksema, J.T., Maksimovic, M., MacDowall, R.J., Szabo, A., Collier, M.R.

“…This paper describes the scientific rationale for an L5 mission and a partial list of key scientific instruments the mission should carry. The L5 vantage point…”
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Prediction and understanding of the north-south displacement of the heliospheric current sheet by Zhao, X. P., Hoeksema, J. T., Scherrer, P. H.

“…On the basis of Wilcox Solar Observatory observations of the photospheric magnetic field and the potential field‐source surface model, we compare the solid…”
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Spatial structure of the solar wind and comparisons with solar data and models by Neugebauer, M., Forsyth, R. J., Galvin, A. B., Harvey, K. L., Hoeksema, J. T., Lazarus, A. J., Lepping, R. P., Linker, J. A., Mikic, Z., Steinberg, J. T., Steiger, R., Wang, Y.‐M., Wimmer‐Schweingruber, R. F.

“…Data obtained by instruments on the Ulysses spacecraft during its rapid sweep through >90° of solar latitude, crossing the solar equator in early 1995, were…”
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MAGNETIC HELICITY IN EMERGING SOLAR ACTIVE REGIONS by Liu, Y, Hoeksema, J T, BOBRA, M, Hayashi, K, Schuck, P W, Sun, X

“…Using vector magnetic field data from the Helioseismic and Magnetic Imager instrument aboard the Solar Dynamics Observatory, we study magnetic helicity…”
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Observations of the Sun's magnetic field during the recent solar maximum by Sanderson, T. R., Appourchaux, T., Hoeksema, J. T., Harvey, K. L.

“…We present new observations and analyses of the Sun's magnetic field and coronal holes. Using magnetic field observations from the Wilcox Solar Observatory, we…”
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Success rate of predicting the heliospheric magnetic field polarity with Michelson Doppler Imager (MDI) synoptic charts by Zhao, X. P., Hoeksema, J. T., Liu, Y., Scherrer, P. H.

“…The photospheric and heliospheric magnetic fields have been continuously observed at the L1 point by the Michelson Doppler Imager (MDI) on the Solar and…”
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The Solar Oscillations Investigation - Michelson Doppler Imager by Scherrer, P. H., Bogart, R. S., Bush, R. I., Hoeksema, J. T., Kosovichev, A. G., Schou, J., Rosenberg, W., Springer, L., Tarbell, T. D., Title, A., Wolfson, C. J., Zayer, I.

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