... 125, 1997 Gareth Hunt and H. E. Payne, eds. Non-parametric Algorithms in Data Reduction at RATAN-600 V. S. Shergin, O. V. Verkhodanov, V. N. Chernenkov, B. L. Erukhimov, and V. L. Gorokhov Special Astrophysical observatory, Nizhnij Arkhyz, Karachaj-Cherkessia, Russia, 357147 Abstract. Non-linear and non-parametric algorithms for data averaging, smoothing and clipping in the RATAN-600 flexible astronomical data processing system are prop osed. ... Figure 1. Average of 20 records. ...

Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archives . ... ArXiv] Swift and XMM measurement errors, Sep. 8, 2007 . ArXiv] Recent bayesian studies from astro-ph . ... Cosmic Microwave Background Statistics for a Direction-Dependent Primordial Power Spectrum by A. R. Pullen and M. Kamionkowski . ... Tags: CMB , minimum variance , power spectrum , spherical hormonic expansion , wavevector . ... Chandra Blog . ...

... This task takes an event list and makes an image in which the value in each pixel is proportional to the variability with respect to time of the flux of events which fall within that pixel. The task cycles through all the events in the list which fall within the spatial extent of the image; for each of these events, a value of the Kolmogorov-Smirnov statistic is calculated. ... Note the implication that pixels having zero variability are not zero-valued in the output image. ...

... There are many pitfalls in these kind of comparisons, which are described in great detail in the papers I have used to compare my impact on the field. In the first comparison I use the method described by Pijpers (2006, Astronomy Geophysics, 47, 6.17) , where he compares the total normalized citation rate per paper (i.e., the number of citations of a paper divided by the number of authors) to the total number of papers for different authors in the field of space research. ... 1st year paper . ...

. The following general subroutines belong to the category STATISTICS: . ``Calculation of moments, averages etc.'' In parentheses the name of the source file is given. MOMS . Given an data array, return (depending on mode) sum, mean, variance, standard deviation, absolute deviation, skewness, kurtosis or median. ( moms.c ) .

Next: Combining Bias Frames Up: Preparing Your Calibration Previous: Input and Output . Except for summing the frames together, combining frames may require correcting for variations between the frames due to different exposure times, sky backgrounds, extinctions, and positions. ... The input frames are combined by applying a sigma clipping algorithm at each pixel. ... The input frames are combined with a variant of the sigma clipping algorithm which works well with only a few frames. ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Introduction .. ... A new statistic is discussed, designed to detect isolated coherent step-like discontinuities produced by cosmic strings present at late times. ... The statistical variable considered is the Sample Mean Difference (SMD) between large neighbouring sectors of CMB maps, separated by straight lines in two dimensional maps and points in one dimensional maps. ...

... Science Users Information > Libraries > telbib information . ... Observing with ESO Telescopes . ... ESO Annual Reports . ... Statistics derived from the ESO Telescope Bibliography include only papers based on data from telescopes and instruments for which observing time was recommended by the ESO OPC (Observing Programmes Committee). telbib is compiled by scanning the major astronomical journals for scientific papers that contain any of the ESO-defined keywords (e.g., telescope and instrument names...

... The GW from coalescing compact binaries composed of NS and BH are the best understood of all astrophysical GW sources. A conservative lower limit to the event rate of galactic binary neutron star coalescence of about 1 per 100000 year follows from double pulsar   statistics studies (Narayan et al. ... In Figure  47 we show the rates of coalescence of binary WD and NS in a model elliptical galaxy   consisting of stars, depending on time elapsed since the (assumed instantaneous) star formation. ...

This diagram shows the six superimposed "layers" of the CSS table model. This diagram illustrates the algorithm for calculating a cell's final background. ... The diagram shows how, looking down on the six rectangles, one may compute the background color of each cell. ... A cell without a background color in the top layer is depicted as a "window" onto the lower layers, which give its final background color. ...