... Archives . ... Reduced and Processed Data . ... 2 distribution plays an incredibly important role in astronomical data analysis, but it is pretty much a black box to most astronomers. ... Comment ( RSS ) | ... I guess in the typical analysis we call chi2 a ?random variable? that follows the chi2 distribution: . ... where D(i) is the observed data, M(i) is the model predicted data and we ?silently? assume that D(i) is normally distributed and each i measurement is independent. ... Chandra Blog . ...

... JWST . ... Science Blog . ... JWST Science . ... Early Release Science Program . JWST Science Corner . ... The following graphics illustrates that all of the expected science and calibration areas are well represented in the SODRM 2012. ... Total Time [days] . Percentage of Total Time . ... NIRSpec Multi-Object Spectroscopy . ... Total Spectroscopy . ... The distribution of non-moving sources from all the SODRM programs is shown in galactic coordinates. ... Science Programs Summaries . ...

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

Distribution of the analyzed SEPs with different >100 MeV proton fluxes ( J 100 ) at the microwave flux density plane ' S 9 vs. ... 1) General correspondence takes place between intensities of microwave bursts and proton fluxes - J 100 increases when S 9 and S 15 rise. ... 3) Powerful microwave bursts ( S 9 , S 15 >3000-10000 sfu ) with hard radio spectra ( S 9 < S 15 ) correspond to majority of powerful proton fluxes ( J 100 >10 pfu ). ...

Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Space Flight . ... Posted on April 21, 2011 | No Comments An image from the European Southern Observatory, reveals two galaxies, NGC 3169 and NGC 3166, meeting in intergalactic space. ... Continue Reading.. ... 1 Comment NGC 2841 is a rather beautiful flocculent spiral galaxy. The Hubble Space Telescope recently imaged NGC 2841 as part of an investigation into how new stars are created. ... Posted on October 28, 2010 | ...

... The ESO-MIDAS Problem Report Form is the on-line user support service for reporting problems, questions and comments. Please fill out the form and send it off by clicking the SUBMIT button at the bottom of this page. However, before submitting your problem report it may be useful to check if is not already included in our Frequently Asked Questions page. support . ... Graphical User Interfaces . ... Sent comments on this screen to ESO-MIDAS < midas@eso.org > . ...

... Public . Science . ... Science Users Information Science Software ESO-MIDAS jump to navigation jump to content . ... Publications with ESO Data . ... ESO-MIDAS . ... The short statement of the GNU license is included in every MIDAS file; the full text is included as a separate file in the ESO-MIDAS Release. ... Manual pages,installation guides and other documentation are generally released together with the source code and can also be obtained from the ESO-MIDAS ftp account (see below). ...

... RS-232 Signals on an RJ11 Jack . ... 6-wire 6-position RJ11 (sometimes called RJ12) modular phone connectors are used for all RS-232 communications at Apache Point Observatory. ... hardware flow control transmit (optional) . ... There are two different names for the connectors we use: "6-wire 6-position RJ11" appears to be most common, but "RJ12" is, or was, also used. ... These are fine for most serial connections, but beware of special cases in which the outer pair (hardware flow control) is in...

... We have developed an integrated system that performs astronomical observations in Near Infrared bands operating two-dimensional instruments at the Italian National Infrared Facility's ARNICA and LONGSP . ... The user interface is organized as widget-based X11 client. ... 1993; Di Giacomo et al. 1993). ... Moreover, if the interprocess communication interface includes support for networking, the software immediately becomes network distributed software. ... DESQview/X User Guide 1993, Quarterdeck . ...

... The distribution of galactic RCB stars is controversial. Several authors have argued that they belong to a thick galactic disk, and are thus old Population I stars. However, they may alternatively belong to the even older galactic bulge (Population II). ... In either case, the populations are sufficiently old that RCB stars must have relatively low masses ( ). ... These are the only RCB stars for which a distance is known and hence for which an absolute magnitude can be deduced. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 September 4 . 2dF Sees Waves of Galaxies . Credit: Matthew Colless ( ANU ) et al. , 2dF Galaxy Redshift Survey . ... The 2dF system measures galaxy redshifts , allowing astronomers to estimate distances to some of the millions of galaxies visible, and hence to make a three-dimensional map of the local universe. ... About APOD | ...

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

To construct two-dimension distribution of minor planets user should specify elements/ parameters/ function that will be plotted as abscissas and ordinates. In three-dimension case one should add to them the element plotted on Z axis. ... Though you may choose elements plotted along different axes at will, often there is good reason to plot such elements as a, n, or n" along X axis (two-dimension distributions) and to plot them along Y axis in three-dimension case. ...

Next: Generation from In-Orbit Data Up: ZODIACAL Previous: Description Contents . ... The intensity of the spectrum is scaled to the reference intensity. ... The binary table ZODIACAL_CTS lists the expected photon rates for the different filters at the reference intensity. ... keyword . ... name . ... may vary . ... degree] x-coordinate of reference bin . ... bin] address of reference bin x-direction . ... reference intensity of spectrum [S10(V)] . ... zodiacal light flux at reference intensity . ...

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

... 50 Greatest Mysteries . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Texas astronomers unravel 20-year mystery about dark matter . Astronomers at The University of Texas at Austin believe they have discovered the answer to a 20-year debate over how the mysterious cosmic dark matter is distributed in small galaxies. ... For that reason, astronomers study the distribution of dark matter within galaxies and on even larger scales. ...

Modules | ... Apache HTTP Server Version 2.4 . ... Some files in the modules/experimental directory under the Apache distribution directory tree are provided as an example to those that wish to write modules that use the Apache API. ... If you link it into your server, enable the "example-handler" handler for a location, and then browse to that location, you will see a display of some of the tracing the example module did as the various callbacks were made. ... Using the mod_example Module . ...

... One of the most widely used tools of Fourier analysis is the Parseval theorem. It enables the experimentalist to view how the `energy' in the signal is distributed among frequencies. The Fast Fourier Transform (FFT) algorithms have made power spectra one of the obvious diagnostics tools during data acquisition, and energy maps are a versatile alternative. ... The result is an energy map (Fig. 9), showing the distribution of energy corresponding to the wavelet map (Fig. ...

These lesson introduces you to the use of uncertainties. ... It introduces probability distribution functions, the Gaussian Distribution, hypothesis testing and model fitting. This lesson introduces you to the different types of uncertainty, and how you can estimate them from the scatter in your measurements, or from knowledge of your experimental set-up. ... It also covers averaging and how that affects uncertainties. Back Main Lab-Skills Page . ...