Спутник ФКИ. RHESSI. [Редактировать]

КА RHESSI (High Energy Solar Spectro scopic Imager) – специализированный на учный аппарат, предназначенный для изу чения механизмов ускорения частиц и энерговыделения во время солнечных вспышек посредством съемки и спектро скопии в рентгеновском (3–400 кэВ) и гам ма диапазоне (0.4–20 МэВ) с высоким про странственным, спектральным и времен ным разрешением.

Дополнительные наименования

#НаименованияПоиск в новостяхПоиск в документах
1SMEX/RHESSIНайтиНайти
2Small Explorer/RHESSIНайтиНайти
3HESSIНайтиНайти
4Reuven Ramaty High Energy Solar Spectroscopic ImagerНайтиНайти
5Explorer 81НайтиНайти
627370НайтиНайти

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - США
2Тип оператора(владельца) - государственный
3Тип орбиты - НОО
4Страна производитель - США

Технические характеристики

#ХарактеристикаЗначение
1Длина, метра2.06
2Масса, кг293
3Масса (сухая), кг230
4Диаметр, метра1.18

Характеристики орбиты

#ХарактеристикаЗначение
1Наклонение, град38.0
2Апогей, км541.0
3Перигей, км521.7
4Период, минут95.1
5САС (планируемый ), год2
6Длинный диаметр эллипса, км6902

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2002-004A

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Стоимость (без пуска), млн. долл.72

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2002-02-05 at 20:58:00 UTC
2Полезная нагрузка 1xRHESSI
3Ракета-носитель 1xПегас XL

Найдено 401 документов по запросу «RHESSI». [Перейти к поиску]


Дата загрузки: 2017-05-20
Скачать документ
Скачать текст
0.33/5
RHESSI Studies of Solar Flare Hard X-... defines the plane of polarization. RHESSI as a Polarimeter (20 – 100 keV... sampling of the scatter distribution. RHESSI as a Polarimeter (20 – 100 keV... keV. Polarimeter Mode – Effective Area RHESSI Polarimeter Mode 10 The effective... energies . Polarimeter Mode – Modulation Factor 1.0 RHESSI Polarimeter Mode 0.8 Modulation Factor 0.6 Scattering...) Polarimeter Mode – Figure of Merit 0.6 RHESSI Polarimeter Mode 0.5 Figure of Merit... detector background. Nature of the RHESSI Data FLR interval BGD interval... UT An Initial Approach to RHESSI Analysis Three pairs of detectors... Earth albedo Nature of the RHESSI Data FLR interval BGD interval... 360° An Initial Approach to RHESSI Analysis Two Component Analysis f (!) = A + B sin2...



Дата загрузки: 2017-03-28
Скачать документ
Скачать текст
0.12/5
... 11.1 Solar flare research with RHESSI . . . . . . . . . . . . . . . . . . . . . . . . . . 88 11.2 SOHO/CELIAS: Solar...). Les données du satellite Rhessi et celles du radiomètre... mal comprises (solar flare with Rhessi) 2.6 L’astrobiologie L’amélioration spectaculaire des... in time8 ). Data from the Rhessi satellite and those of the... still misunderstood (Solar flare with Rhessi). 3.6 Astrobiology Museum of Natural History... 11.1 Solar flare research with RHESSI Institute: Paul Scherrer Institut (PSI... RHESSI team (PSI, UCLB) Method: 1. Simulation 2. Research based on existing instuments: RHESSI... High Energy Solar Spectroscopic Imager (RHESSI) and the frequency-agile Phoenix... data. Status: Prior to the RHESSI launch in February 2002, the... was proposed. As soon as RHESSI data became available, need for... in the RHESSI data, which, owing to the indirect RHESSI imaging principle..., K. (2003): Time-Domain Demodulation of RHESSI Light Curves. Solar Phys., 210..., 3145. Abbreviations: 11.2 mhd: Magnetohydrodynamics rhessi: Reuven Ramaty High-Energy Solar...



Дата загрузки: 2017-05-20
Скачать документ
Скачать текст
0.12/5
... is RHESSI (Reuven Ramaty high energy solar spectroscopic imager). The RHESSI website... [20] is written on the RHESSI spectrometer. This paper is a substantial... eV resolution of XSM, the RHESSI resolution is poor. The RESIK... this paper comes from the RHESSI satellite and the RESIK spectrometer... X-ray spectra with RESIK and RHESSI with the clearly defined Fe...-2 [19] Holman, G. D., Berg, M., Dennis, B., Prevost, G., “RHESSI Home Page at NASA Goddard..., R., Banks, I. S., Shirey, K., Schwartz, R., 2002, The RHESSI Spectrometer. Kluver Academic Publishers [21...



Дата загрузки: 2017-03-26
Скачать документ
Скачать текст
0.08/5
... High Energy Solar Spectroscopic Imager (RHESSI) is a NASA Small Explorer that... meaning of the Neupert effect. RHESSI, with its marvellous and unprecedented... High Energy Solar Spectroscopic Imager (RHESSI) and others are all in... in coordination with SOHO and RHESSI (see below). The objective of... High Energy Solar Spectroscopic Imager (RHESSI) mission, one of NASA’s Programme.... Equipped with cooled germanium detectors, RHESSI provides hard X- and gamma-ray... launch on 5 February 2002, the RHESSI satellite has provided and continues... ion acceleration in solar flares. RHESSI, like TRACE, is an open... RAPS RAT Re Resurs-DK1 RHESSI RMR RNA ROCSAT ROMA ROSE...



Дата загрузки: 2016-11-10
Скачать документ
Скачать текст
Скачать перевод
Посмотреть билингву
0.1/5
... been made with Yohkoh and RHESSI, but a leap in sensitivity could... 200 times more sensitive than RHESSI in the hard X-ray band... for the Albedo Flux in RHESSI Image Reconstructions Richard A. Schwartz1, E. Kontar2... Imager (RHESSI) satellite. For the two best-observed flares, RHESSI found the... over a bi-grid design like RHESSI. We present the design, capabilities... a sensitivity 100 times that of RHESSI. Advances in the fabrication and... Nandy et al. P17.06 A RHESSI And SDO Campaign Measuring Latitude... occasion we also successfully obtained RHESSI optical observations at very high... data from the two instrument (RHESSI/SAS and SDO/HMI), give... angle (latitude). At the normal RHESSI cadence very long integrations (of... SDO roll maneuver. The special RHESSI data rate was about 10... these results with our earlier RHESSI observations (Fivian et al., 2008... Results and Analysis of the RHESSI/SAS Observations of the Optical... Aspect System (SAS) of the RHESSI satellite measures the optical solar... of three linear CCD sensors. RHESSI has observed the Sun continuously... In Conjunction With EVE And RHESSI Spectra Claire Raftery1, S. Krucker1 1 UC... results from SDO/EVE and RHESSI, and synthetic spectra from CHIANTI.../HMI and X-ray data from RHESSI shows that the helioseismic waves... High Energy Solar Spectroscopic Imager (RHESSI) and radio observation was taken... of accelerated and ambient abundances. RHESSI observations have shown a striking close... flares. We use the latest RHESSI gamma-ray analysis techniques to... the temporal behavior of the RHESSI flares, and determine what changes... back-warming. We also use RHESSI imaging spectroscopy to compare the... High Energy Solar Spectroscopic Imager (RHESSI). The two sets of data... High Energy Solar Spectroscopic Imager (RHESSI) has shown that super-hot... High Energy Solar Spectroscopic Imager (RHESSI). This observation gives us the... the pseudocontinuum around 6173A, and RHESSI obtained hard X-ray images. For... resolution X-ray spectra observed by RHESSI can be used to estimate... directed towards the observer. The RHESSI flare database has been searched... at the footpoints. With coordinated RHESSI observations, we have found a dozen... is presetned here. By analyzing RHESSI hard X-ray and GOES/SXI... triggers the loop oscillations. From RHESSI spectra, we measure physical parameters... footpoints rooted in the chromosphere. RHESSI observations of highly energetic particles... downflow timings with high-energy RHESSI lightcurves. P22.20 Comparison Between... X-ray energy flux derived from RHESSI spectral analysis during the impulsive... et al. 2008) observed by RHESSI are believed to be evidence... al. 2010, but with no RHESSI observation) that show the combined...). The X-ray emission observed by RHESSI shows an extended source at... the two hard X-ray peaks, RHESSI images indicate a reverse Y-shape structure... observe inflows between the two RHESSI coronal sources after the second.... For context we used HXR RHESSI data to find a correlation between.... P22.28 Bayesian Analysis Of Rhessi Flare Data: Effect Of Prior... of emission models. We model a RHESSI spectrum from the X1.9 flare... Spectra and Turbulence Characteristics from RHESSI Solar Flare Observations Qingrong Chen1... solar flares observed by the RHESSI satellite using the regularized electron... High Energy Solar Spectroscopic Imager (RHESSI) observations of one flare by... We present analysis of the RHESSI and SDO observation of a very... (HXR) footpoints as observed by RHESSI, and is temporally associated with... TRACE 1600 Å, MDI magnetogram, and RHESSI HXR observations. Besides the strengths... solar flare was observed by RHESSI, CORONAS and Integral and by... within the main flare kernel. RHESSI spectra indicate that these loops... of AIA in combination with RHESSI, and by employing the cross... High Energy Solar Spectroscopic Imager (RHESSI) from March 2002 to February...), and compared them with the RHESSI flare size distribution as observed... A Solar Plasma Ejection Observed By RHESSI And AIA 117 Lindsay Glesener1... High Energy Solar Spectroscopic Imager (RHESSI) have provided remarkable insight into... temperature of 11 MK. Meanwhile, RHESSI X-ray images reveal a large, diffuse... trapped in the region. Using RHESSI spectroscopy and AIA temperature analysis... of nuclear-line emission by RHESSI during this flare and during... smaller flares seen both in RHESSI and GOES light curves, with... High Energy Solar Spectroscopic Imager (RHESSI). The limb flare of 2003... the good energy resolution of RHESSI, this is the first time... cycles. 12.02 SDO And RHESSI Observations Of Flares Steven Christe1... RHESSI and SDO/AIA, respectively. The flares were chosen from the RHESSI...). Identifying the flare region using RHESSI imaging, we compare the HXR... a simple morphology is observed by RHESSI images. We find that at... the same location as the RHESSI HXR source. The high temperature...$) are well correlated with the RHESSI thermal HXRs (4-10 keV) though... any noticeable thermal emission signature. RHESSI hard X-rays and 0.1-18 GHz... X-ray energy flux derived from RHESSI spectral analysis during the impulsive...



Дата загрузки: 2016-11-09
Скачать документ
Скачать текст
0.05/5
... being determined through analysis of RHESSI X-ray imaging and spectral observations... 330 individual flares. In addition, RHESSI’s sensitivity down to approx. 4 keV... can also be determined from RHESSI line-to-continuum measurements as... 2.9 and 3.7 keV for comparison with RHESSI fluxes at its low-energy... Flight Center, Greenbelt, MD, USA RHESSI Results on Energetic Particles in... Three Solar Flares Observed by RHESSI Holman, G. D.; Dennis, B. R.; Sui, Linhui; [2004... (RHESSI). Fits of computed isothermal and thick-target bremsstrahlung spectra to RHESSI... High Energy Solar Spectroscopic Imager (RHESSI) is obtaining the most comprehensive... what we have learned from RHESSI observations about flare suprathermal electron... High Energy Solar Spectroscopic Imager (RHESSI) Holman, Gordon D.; [2004]; 1 pp.; In... ions), and mass motions. NASA’s RHESSI Mission was designed to study... of flares in gamma rays. RHESSI has observed over 12,000... demonstrate how we use the RHESSI spectra to deduce physical properties... sheet in the solar corona. RHESSI observations such as these are... the Sun and Ulysses – 311 RHESSI Results on Energetic Particles in... Three Solar Flares Observed by RHESSI – 331 ELECTRON ENERGY Cold-Electron... – 271 Management Joining ENERGETIC PARTICLES RHESSI Results on Energetic Particles in... High Energy Solar Spectroscopic Imager (RHESSI) – 332 ENERGY BANDS Energetic Electrons... 3C 273 – 333 GAMMA RAYS RHESSI Results on Energetic Particles in... High Energy Solar Spectroscopic Imager (RHESSI) – 332 Defense Horizons. Number 17... High Energy Solar Spectroscopic Imager (RHESSI) – 332 Spatial Resolution Determination with... Studies Using a Cartesian Method – 87 RHESSI Results on Energetic Particles in... High Energy Solar Spectroscopic Imager (RHESSI) – 332 MAGNETIC FIELDS The Magnetic... Three Solar Flares Observed by RHESSI – 331 Solar Flares Observed with... High Energy Solar Spectroscopic Imager (RHESSI) – 332 SOLAR SYSTEM Chaos in... High Energy Solar Spectroscopic Imager (RHESSI) – 332 Properties of Minor Ions... Loops Onboard Terra Spacecraft – 24 RHESSI Results on Energetic Particles in... Three Solar Flares Observed by RHESSI – 331 THERMAL PROTECTION Heat Shielding... Digital Radiograph X-Ray Techniques – 200 RHESSI Results on Energetic Particles in... Solar Flares Observed by RHESSI – 331 Dennis, Brian R. RHESSI Results on Energetic... High Energy Solar Spectroscopic Imager (RHESSI) – 332 Horwitz, J. L. The O(+) Density Trough... Three Solar Flares Observed by RHESSI – 331 Horan, Richard A. Assessment of... Three Solar Flares Observed by RHESSI – 331 Suits, B. H. Improving NQR Detection...



Дата загрузки: 2016-11-29
Скачать документ
Скачать текст
0.14/5
... hard x-ray instruments such as RHESSI lack the sensitivity to see... to a much less sheared configuration. RHESSI HXR observations reveal that the... the instrument, together with joint RHESSI hard X-ray and SDO EUV... used to the fit the RHESSI hard X-ray spectrum from a flare... hard X-ray bands observed by RHESSI. The model also predicts hard... only ∼5 counts s−1 detector−1 observed by RHESSI, is effectively the smallest that... similar spatial dimensions to the RHESSI microflares. We will discuss the... electron flux inferred from the RHESSI hard X-ray data as the... High Energy Solar Spectroscopic Imager (RHESSI). This is a 1D model similar... data from IRIS, SDO, and RHESSI. The IRIS rasters scanned the... High Energy Solar Spectroscopic Imager (RHESSI). Among these events, WL emission... use indirect imaging methods like RHESSI. We present a description of the..., STEREO's EUVI and WAVES, and RHESSI, respectively. We report the detection... use indirect imaging methods like RHESSI. We present a description of the... Solar Flares Motivated by recent RHESSI observations that point to the... area are provided by cotemporaneous RHESSI, FERMI, ROSA/DST, IRIS slit... thermal X-ray source revealed in RHESSI 6 - 12 keV images eventually rose... source volume given by the RHESSI imaging spectroscopy observations. Applying this... High Energy Solar Spectroscopic Imager (RHESSI), and the spatially integrated MW... P6.18 – The EVE plus RHESSI DEM for Solar Flares, and... Ramaty High Energy Spectroscopic Imager (RHESSI) to calculate the Differential Emission... "residual" non-thermal spectrum; i.e., the RHESSI spectrum that is left over... EVE-RHESSI data are compared with those found using only RHESSI data... for flares jointly observed by RHESSI, SDO/EVE, Hinode/EIS+SOT... release since the advent of RHESSI observations, there is a clear need..., 2. University of Maryland P12.04 – RHESSI/SAS Observations of the Optical... Aspect System (SAS) of the RHESSI satellite measures the optical solar... typically set at 100 samples/s. RHESSI has observed the Sun continuously... excess as large as 1.5 K. The RHESSI observations, made with a rotating telescope...



Дата загрузки: 2016-11-19
Скачать документ
Скачать текст
0.1/5
... observed by SDO/AIA and RHESSI. Bi-directional outflows in forms... High Energy Solar Spectroscopic Imager (RHESSI; Lin et al. 2002) and.... It was well observed by RHESSI and SDO/AIA, but it... of the RHESSI 25–50 keV flux and ends (during RHESSI night... the preimpulsive and decay phases. RHESSI has good coverage except for... flare (in progressively cooler channels). (c) RHESSI count rates in colored solid... the flare plasma inferred from RHESSI (orange/red) and GOES (black... and related features observed by RHESSI and AIA in the next.... 3.1. X-Ray Source Morphology We reconstructed RHESSI X-ray images in energy bands..., Chen, & Petrosian Figure 3. (a)–(f) Evolution of RHESSI 6–10 keV sources (green contours... accompanying movie show examples of RHESSI contours overlaid on AIA images...-top emission centroids in four RHESSI X-ray bands from 3 to 25... the impulsive phase because the RHESSI thin attenuator moves in and... 2 Projected Heights and Velocities of RHESSI and AIA Loop-top (LT... Descent % Initial Ascent (∼04:35) RHESSI 16–25 keV 10–16...:18 −7.1/05:17 ··· ··· ··· ··· ··· 11 5.9 4.6 4.1 5.0 5.6 4.9 3.6 3.2 4.1 3.5 4.3 5.0 3.0 2.6 2.6 2.4 3.2 3.2 3.5 2 for RHESSI and 1 for AIA. Velocity uncertainties... show two distinct 8–10 keV RHESSI sources from Figure 10(c). The... and lower coronal sources from RHESSI (large symbols, greater heights) and... a common hardening trend before the RHESSI night data gap. 5.2. Energy Dependence... within the inner regions. Similar RHESSI observations have been reported (Sui... (h) and discussed in Section 5.3. Figure 9. RHESSI spectra at three selected times... ENERGY- AND TEMPERATURE-DEPENDENT EMISSION 5.1. RHESSI X-ray Spectra To infer the... plasma, we analyzed spatially integrated RHESSI spectra of individual detectors following... 35 MK of the hot RHESSI component at this time 10... oppositely directed reconnection outflows. (a) and (b) RHESSI contours overlaid on AIA 131... temperature peaks are near the RHESSI 16–25 keV centroids (blue... hotter EUV channels or by RHESSI in X-rays. Instead, all available...



Дата загрузки: 2017-05-20
Скачать документ
Скачать текст
0.25/5
... AMS-02, 37 SUBJECT INDEX RHESSI on-orbit performance, 755 GOS... testing of, 693 HESSI(see RHESSI) High temperature superconductor applications (see..., 1 NICMOS operation on HST, 1, 563 RHESSI in NASA cooler missions overview..., 1 NICMOS, 1, 563 Planck, 1, 627, 637 RHESSI, 1, 755 TES, 1 SQUIDs (see Integration..., 761 Sunpower space perf. on RHESSI, 755 Superconductor Tech., Inc., reliability... M87N for AMS-02, 37 RHESSI on-orbit performance, 755 single...



Дата загрузки: 2017-02-18
Скачать документ
Скачать текст
0.26/5
... High Energy Solar Spectroscopic Imager (RHESSI) 3.2.1 RHESSI dead-time . . . . . . . . . . . . . . . . . . . . . . 3.3 Fermi Gamma Ray... of RHESSI. Image credit: NASA. . . . . . . . . . . . . . . Lightcurve of RHESSI TGFs. a) and d) are RHESSI TGFs presented in the RHESSI catalog [Grefenstette... by Gjesteland et al. [2012] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RHESSI TGFs for the years 2004... are the limits of the RHESSI 38◦ inclination orbit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Monte Carlo... High Energy Solar Spectroscopic Imager (RHESSI) [Grefenstette et al., 2009], Fermi... High Energy Solar Spectroscopic Imager (RHESSI) RHESSI (figure 3.3) is a small observatory designed.... Figure 3.3: Illustration of RHESSI. Image credit: NASA. The RHESSI relative time resolution... the Swift and RHESSI satellites indicates that the RHESSI clock is 1.8 ms... latitudes where RHESSI passes close to the radiation belt. The RHESSI catalog... of RHESSI TGF lightcurves. Figure 3.4 a) and d) are RHESSI TGFs presented in the RHESSI... of RHESSI TGFs. a) and d) are RHESSI TGFs presented in the RHESSI catalog [Grefenstette... RHESSI are shifted to even higher tropopause altitude it indicates that RHESSI..., RHESSI is never totally paralyzed and it is very unlikely for RHESSI... significantly softer than the superposed RHESSI spectrum from smaller angles. This... found by RHESSI is due to a better sensitivity in RHESSI since RHESSI do... TGFs in the RHESSI data than presented in the RHESSI catalog. This... from the RHESSI catalog and other measurements. In the RHESSI data from... 2.3 and 3.0. The dead-time corrected RHESSI fluence distribution also shows indications..., B. J. Hazelton, and L. I. Lopez (2009), First RHESSI terrestrial gamma ray flash catalog... (2010), Thunderstorm characteristics associated with RHESSI identified terrestrial gamma ray flashes... Spectroscopic Imager (RHESSI). Owing to a more effective trigger algorithm, RHESSI has been... RHESSI spectrum. This average value of production altitude based on superposed RHESSI... observation angle distribution from the RHESSI measurements as a histogram. The best... the RHESSI TGF catalog [Grefenstette et al., 2009]. For each RHESSI TGF... mean value. Figure 7 shows that RHESSI measures a significant softening of the... spectrum. In Figure 8 the combined RHESSI spectrum is significantly softer than... should have a spectral index 1.9 < k < 2.5. [34] RHESSI is known to suffer from..., B. J. Hazelton, and L. I. Lopez (2009), First RHESSI terrestrial gamma ray flash catalog... reveals more TGFs in the RHESSI data T. Gjesteland ,N. Østgaard, A. B. Collier, B. E. Carlson... reveals more TGFs in the RHESSI data T. Gjesteland,1 N. Østgaard,1 A. B. Collier,2,3 B. E. Carlson... been observed by RHESSI. By September 2010 the RHESSI catalog contained 975... the RHESSI data and show that there are many more RHESSI TGFs than previously reported. 2. Search Algorithm [7] RHESSI consists of... is also presented in the RHESSI catalog. (d) RHESSI TGFs for the years... to radiation damage in the RHESSI instrument, events occurring before 1 January... the RHESSI Catalog Nc and From the New Search Nna RHESSI Catalog... population of detected RHESSI TGFs in this period. 2. The RHESSI TGFs follow... new RHESSI TGFs is softer than the superposed spectrum of the RHESSI catalog, which indicates that RHESSI field of view... thank the RHESSI team for the use of RHESSI raw data and..., B. J. Hazelton, and L. I. Lopez (2009), First RHESSI terrestrial gamma ray flash catalog... (2010), Thunderstorm characteristics associated with RHESSI identified terrestrial gamma ray flashes... TGF measured by RHESSI. An independent estimate of RHESSI dead-time loss... High Energy Solar Spectroscopic Imager (RHESSI) ten years later indicated that... TGF fluence measured by RHESSI. Independent estimates of RHESSI dead-time loss... distribution, giving l of 3.5 and 1.4, for RHESSI and Fermi, respectively. The fit... the RHESSI (Fermi) distribution. A power function was chosen because the measured RHESSI... threshold of RHESSI (grey) and FERMI (black) given on the RHESSI scale... than RHESSI (38 inclination), Fermi should see more TGFs than RHESSI. As... RHESSI. This means that the relative detection rate between Fermi and RHESSI... relative sensitivity, X, between Fermi and RHESSI as X ¼ 17 320 Â ¼ 2:7 8 256 ð3Þ This... distributions, with l = 2.3 we can calculate RHESSI dead-time losses as a function... by RHESSI (thick grey) and the estimated true TGF distribution at RHESSI... RHESSI Dead-Time Losses [12] To obtain an independent estimate of RHESSI... below RHESSI [see Collier et al., 2011, Figure 6] and notice that RHESSI... get a RHESSI-TGF/lightning ratio of 9.8 Â 10À5. Of 1213 lightning RHESSI would... the weakest TGF observed by RHESSI (RHESSI has 1/6 of ADELE sensitivity at... average RHESSI TGF, which is a factor of 2 larger than the RHESSI lower..., B. J. Hazelton, and L. I. Lopez (2009), First RHESSI terestrial gamma ray flash catalog...