... Minute Values of Geomagnetic Field Components . ... AA 1868 - Present (3 hourly and daily) (monthly) (yearly) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) KP_AP 1932 - Present (3 hourly and daily) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) AE_HV 1957-75, 78-88 (hourly) AE_MIN 1978-881-6;198903;1990-94 (minute) DST 1957 - Present (hourly) PC 1975 - Present (15-minute) AMANAS 1959 - Present (3 hourly and daily) KMKNKS 1983 - Present (3 hourly) . ...

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Geomagnetic disturbances can be monitored by ground-based magnetic observatories recording the three magnetic field components. The global Kp index is obtained as the mean value of the disturbance levels in the two horizontal field components, observed at 13 selected, subauroral stations . ... Geomagnetic activity is the occurrence of K variations. ... But K still remains a local index, describing disturbances in the vicinity of each observatory. ...

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... Among the objectives of Principal Components Analysis are the following. dimensionality reduction; љ . the determining of linear combinations of variables; љ . ... identification of groups of objects or of outliers. ... Finding a set of principal axes allows the objects to be adequately characterised on a smaller number of (artificial) variables. ... Reduction of dimensionality is practicable if the first new axes account for approximately 75 % or more of the variance. ...

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• HyperLEDA documentation: HyperLEDA: catalogue of agnclass (a109)
• Connectors suppliers (Electronic Components) (North American suppliers
• DRAO surveys

This page gives a summary of the current GIPSY software plans and activities. ... Make program user friendly for overlay of rotation curves over slices. ... Upgrade old programs gaufit, profit, and gauprof with new graphical user interface and new functionality. ... Implement event-driven user interaction, including a simple graphical user interface which allows parameters to be set, options te be chosen, etc. ... Fit with the new graphical user interface. ... Status: waiting . ... New program. ...

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• casacore: components/ComponentModels.h Source File
• casacore: components/ComponentModels/ComponentType.h Source File
• casacore: components/ComponentModels.h File Reference

... 2006: . ... Components of the systems are low mass stars and white dwarfs. For 14 pairs orbit parameters were calculated and masses and luminosities of components were determined for the first time. ... As a result of a multifrequency monitoring of the variability of a micro quasar Cyg X-3 (X-ray binary system which probably consists of a black hole and a high mass Wolf-Rayet star) a high activity period was registered for the first time in the last 4 years. ... Archive . ...

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• CH Cyg
• Galaxy sector, archive 2009
• IRAS01005+7910

Next: Non-Linearity Up: Restoration of FOC Imaging Previous: Scan Distortion . Geometric distortion can be separated into three components: optical distortion, detector distortion, and format-dependent distortion. ... The accuracy of the geometric distortion correction of FOC data is currently limited by the coarseness and size of the reseau grid (60 pixel spacing). ... The standard geometric correction procedure using the reseau grid will only be used for for the large format. ...

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• System Controlled Functions
• Dark Backgrounds
• Dust Attenuation in Late-Type Galaxies. I. Effects on Bulge and Disk Components

Correlated flashes of masers H2O . ... In 1981 - 1982 years it was revealed several Flashes of maser radiation of H2O radioline at wavelength 1.35 cm in the radio-sourse W49, developing practically synchronously at several radial velocities. It's known that components of the maser radiation of H2O radioline profile with different radial velocities arise in separate spatially diverse areas of a starformation. ...

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• Parameters of the 41 Dra system components
• Iron abundance in the atmospheres of components of the binary system 41...

Extended time series of Solar Activity Indices (ESAI) is database including observational, synthetic and simulated sets to study Solar magnetic field variations and their influence on the Earth. ESAI extend the ordinary lengths of some traditional indices of solar activity: sunspot areas, Wolf numbers (equatorial component of magnetic field of the Sun), polar faculae numbers (polar component), mean latitudes, N-S asymmetry of hemispheres (location of activity). Series . ...

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• Phase light curves of young binary systems
• Conferences

Peremennye Zvezdy", . ... Star Name: . GSC 3710-00312, USNO-A2.0 1425-04252279 . ... Variability type: . ... USNO-A2.0 1425-04252279 is located at the distance of 15?.7 from the X-ray source 1RXS J031707.9+572942, which is larger than the position error of the source (12?), but its hardness ratio HR1 = 0.03 0.29, typical of chromospherically active stars, and its character of variability allow us to assume that the star is related to the X-ray source. ... Eclipsing variability . Sine wave 1 . ...

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• Spacecraft Rosetta Shows Comet has Two Components
• Астронет > Англо-Русский Словарь
• Астронет > Spacecraft Rosetta Shows Comet has Two Components

Geomagnetic storms and substorms are a natural hazard similar to hurricanes, floods etc. ... Solar and geomagnetic activity also probably influences the Earth's climate and human health. ... Under southward directed IMF the Earth's magnetosphere is open to input from the solar wind flow. ... Since practical importance of solar wind measurements was recognized, a number of approaches was developed for prediction of the geomagnetic activity basing on the solar wind data. ...

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• OFO IKI / Test Calibration Facilities
• STDA files
• INTERBALL Auroral probe (INTERBALL 2) post-flight orbital elements collection

... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

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• A Computer-Based Technique for Automatic Description and Classification of
• ADASS 2003 Conference Proceedings
• Extending the XImtool Display Server Using Components

Next: Mass change Up: Evolutionary Scenarios of Binary Previous: Stellar Winds From Normal . As mentioned earlier, the duration of the binary evolutionary stage (say, I+I) is determined by the faster evolving component , where is the time each component spends at the corresponding evolutionary stage. ... Next, we should calculate the mass change for the slower evolving companion, the orbital semi-major axis and the eccentricity. Mass change . Semi-major axis change . ...

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• Evolutionary Scenarios of Binary Systems
• Calculation of Evolutionary Tracks
• Stellar Winds From Normal Stars

... Archives . ... The PCA and ICA is used for separating mixed components with some assumptions. ... The need of source separation methods in astronomy has led various adaptations of decomposition methods available. ... I rarely come up with a paper which gathered and summarized component separation methods applicable to astronomical data. In that regards, the following paper seems useful to overview methods of reducing dimensionality for astronomers. [arxiv:0805.0269] . ... Chandra Blog . ...

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• The AstroStat Slog component separation
• The AstroStat Slog principle component analysis
• Comments on: [ArXiv] component separation methods By: hlee By: Sam Leach

Classroom Activity: Making a Rainbow . ... When white light from the Sun or a light bulb passes through a prism, the light splits into its component wavelengths. ... Red, blue, green colored filters - if possible, cut 1x4-inch pieces of the filters for each student . ... Many students have the misconception that filters somehow dye the light a certain color. ... Younger students can draw the rainbow and make up a mnemonic for remembering the order of the colors (such as, ROY G. BIV). ...

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• ASP: Education Newswire
• ASP: Good Astronomy Activities on the WWW

CIMA is more than just the observing tool - in fact, the observing tool is just a part of a bigger package called the CIMA software package. ... There is also a another package called the CIMA WAPP software which contains the WAPP software, the special Tcl/Tk interpreter used by CIMA and support libraries. ... All CIMA software components recognize the following general options that are part of the CIMA version selection system: . ... The select_cima script can be used to set up a default version. ...

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• Chapter 5. Listing of Installed Components
• Some useful data about gains, NFs & compression points of Eddies box components
• Index of /~phil/mbeam/alfashutter/Controller_Components

... The fitting procedure will only converge to a unique solution if the components are linearly independent. ... The task calculates for each pair of component images and fails with an error if any is greater than 0.99. ... Hence components may be linearly independent in masked pixels yet still fail the test within the task. ... Finally, since the Poisson image values are necessarily all , negative values are not allowed in the model components. ...

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• Radiation Workshop Topics
• RGS CCF Components
• Cross References between CCF Components and CAL Functions

.

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... Product details: . ... 2 Composition/Data on components: . ... Information pertaining to particular dangers for man and environment . ... 4 First aid measures . ... Use fire fighting measures that suit the surrounding fire. ... Measures for environmental protection: . ... This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user. ...

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• III International Astronomy Olympiad, Problems to solve

OptInt PmWiki . MROI Delay Line / . Component Documentation . ... Page History | ... MROI Delay Line Design Contract . ... VME Metrology . ... MROI . ... Mailing Lists . ... October 05, 2009, at 05:02 PM by MF - Uploaded revised metrology parts list . ... Metrology Parts List: Parts list for MROI Metrology System . ... Metrology Parts List: . ... June 16, 2009, at 12:18 PM by MF - Added metrology parts list . ... Latest Component List sent to MRO: Attach:Delay_Line_Components.pdf . ...

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• OptInt PmWiki : Component Documentation
• OptInt PmWiki : MROIDelayLine / Component Documentation
• OptInt PmWiki : Component Documentation | Attach

... DpmkSpace (part of SAS) . Cdb server (part of calibDB, in Garching only . Dpserver (part of SA, in Garching only) More about P2PP checks to be performed when installing/configuring it. Go to top of page . More about OT-tcl/tk checks to be performed when installing/configuring it. ... More about Java-OT checks to be performed when installing/configuring it. ...

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• Uncorrelated flux component
• Triple with velocity curves for all components
• DFS Group Home Page