... 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 . ...

You can also see this page in Russian with using KOI8 (X Windows) or CP1251 (MS Windows) Cyrillic coding. The Laboratory supports the space TV experiments, mainly in the planetary exploration missions. ... Image Co-registration . ... PHOBOS mission - Martian satellites investigations. Phobos on the Martian limb, the image from Phobos-2 probe from 02/28/89. ... Russian Space Bulletin. ... Last modified at June,26 1997 Alexey Kuzmin: akuzmin@mx.iki.rssi.ru . Back to IKI home page ...

... User Guide ] Task: imfit Purpose: Fit models to a given image dataset Categories: image analysis IMFIT is a Miriad task that fits model components to an image. ... Key: clip Clip level. ... Possible objects are: level An offset (DC) level gaussian An elliptical or circular gaussian. disk An elliptical or circular disk. point This is a short-hand for a gaussian with the width of the point-spread-function. beam This is a short-hand for a gaussian with a peak value of 1 and located at the image centre....

FGS Instrument Handbook for Cycle 24 . ... Fine Guidance Sensor Instrument Handbook for Cycle 24 > Chapter 7: FGS AstrometryData Processing > 7.2 Exposure-Level Processing . ... 7.2.2 Observing Mode Dependent Processing . ... After pipeline initialization and data quality assessments, successful observations (i.e., those that acquired the target), are processed according to the FGS observation mode: Position or Transfer. ... The corrections applied to the FGS data are as follows: . ... Transfer mode . ...

... The existing package features many applications which are required for the next generation telescopes under development (e.g., multi-field, multi-scale, and wide field imaging algorithms, full primary beam Stokes I,Q,U,V imaging, automated and interactive statistical data editing, flexible calibration and self-calibration based on the telescope measurement equation; we highlight some of this functionality and discuss the future directions for the applications and underlying technology. ...

... 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. ...

... The Zenit-3SLB ILV . ... LAND LAUNCH . ... o Financing of operations performed by OOO International Space Services Contractors. o Land Launch Program coordination and control. o Marketing activity on the SIS territory. ... Leading technical integrator for the Land Launch Complex (coordinator of OOO International Space Services Contractors operations for analytical integration of spacecraft with the Zenit-M SRC). ... Support of operations for SC analytical integration with AU, preformed by RSC...

... 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. ...

The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . IPAC exists to carry out large, data-intensive processing tasks of critical importance to NASA's infrared astronomy program, and to provide scientific expertise on those projects to the astronomical community. ... Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Irregular phenomena in the Earth Pole oscillation process and temporal variations of geopotential Valery Bondarenko, Vadim Perepelkin s The observed irregular phenomena in the Earth Pole oscillation process are very variety. ... These phenomena indicated in the IERS data are the "abnormal" fluctuation of the Earth Pole coordinates which owing to changing of the geodynamical parameters gives negative result in interpolation and forecast of the first approximation mathematical model. ... Fig. ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

Marc White . ... Research . ... The outflows driven by forming protostars provide important clues to the nature of the star formation process. My research focuses on observations and analysis of the outflows driven by actively-accreting protostars. ... How are the outflows being driven? ... Built by my home institution, The Research School of Astronomy and Astrophysics of The Australian National University, NIFS is a fantastic instrument for doing protostellar outflow work. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

OptInt PmWiki . ... Tech Meet 12 . ... Page History | ... MROI Delay Line Design Contract . ... Return to Tech Meet 12 ( Edit ) . ... October 28, 2010, at 05:31 PM by jsy1001 - . ... The upper diagram shows the FLC software tasks and dataflows as presented at the CoDR. The lower diagram includes changes discussed at this meeting, some of which are for our component and integrated tests. ... ISS Data Collector probably not suitable as LocalDataCollector and unlikely to be ready in time . ...

... P2395 Date Received: 2008-Feb-01 14:52:31 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Pulsars Galactic 12.0 Hours 2 hours Mapping Pulsar Emission Regions Using Interstellar Scintillation Locating the pulsar radio emission region is a necessary component to understand the pulsar emission mechanism and coherent emission processes in general. ...

... Non-linear dynamics of optical and spin waves in magnetically ordered layers and layered structures. ... Magneto-optics: interaction of propagating light and spin waves in ferromagnetic films and layered structures (including non-linear waves). ... The technology of these components utilises recent physical achievements in the fields of spinwave and vibration processes in solid state layered structures. ... Telecommunications. ... Physics Department, Joule Laboratory, Salford University, UK . ...

HIGH RESOLUTION IONOSPHERIC MASS SPECTROMETER P-11 . ... Onboard mass-spectrometric equipment for study of neutral and ionized components of Earth upper atmosphere. Mass-spectrometer P-11 is one of P-series modifications of the on board radio-frequency monopole spectrometers. ... The instruments of P-series have passed successful approbation in space experiments aboard geophysical rockets MP-12, launched for investigation of Earth upper atmosphere (Ref. ... Measured mass number range, AMU - 1.. ...

Kholtygin A.F., Shneiwais A.B., Burlakova T.E., Milanova Yu.V. Stochastic Data in Astronomy. ... Fourier Analasis of Strongly Unevaen Time Series . Astrophysics, 50 , 225-2387 ( 2007 ) Original Russian Text published in Zhurnal Astrofizika , 50 , pp. 281-297 ( 2007 ) . ... It is supposed that analysed time series consist of harmonic components with amplitude $A$ and a period larger than the longest segment of the time series and the noise component with variance $N^2$. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

EXPERIMENT . ... Fields and waves consortium. ... IKI, Moscow, Russia . ... Three-component electric field fluctuations in the range 0.-50 kHz including spectral analysis; FGM-1 magnetic field data acquisition and processing. ... DC/AC magnetic field, 3 components, 0-64Hz, 1 component, 1Hz-40kHz. ... DC/AC magnetic field from MIF-M, ion and electron flux from IFPE data processor and RF-15-1 data processor. ... Magnetic field (three components). ... Inst. of Moscow University, Moscow, Russia . ...