Astropark Home . ... Weather Station . ... Meteorology is so-called because early observers thought that meteors were an atmospheric phenomenon. They are now believed to be dust from the tails of old comets. Meteorology – the study of the weather – has been carried out in Armagh since 1795. ... The best example of solar variability is an 11 year cycle in the number of spots on the surface of the Sun. ... Dendrochronology is the dating of wood samples from the pattern of tree-ring growth. ...

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. Here is an applet. It has two parameters -- speed and message. Its alignment is ABSMIDDLE. Here is an applet. It has two parameters -- speed and message. Its alignment is ABSMIDDLE. Here is an another instance of the same applet, but it has a different speed and a different message. Its alignment is RIGHT. Here is an another instance of the same applet, but it has a different speed and a different message. Its alignment is RIGHT. The Java source for the applet.

Next: Links to Manual Sections Up: Contents Previous: Contents Contents . ... All VLBA stations have two RDBE units for a total of 8 channels with the DDC. ... SCHED knows how to set up the details for most observations at most stations. ... Please see the discussion of the input parameter PRECDATE . ... Please note that all setup files intended to be used for spectral line observations using DOPPLER must have all channels distinguished, in the setup file, by frequency and polarization. ...

Next: Implementation Up: Image Restorations of High Previous: Technique . This method has been tested on many kinds of data both real and simulated. Here we present three examples in which the structure of the background is of increasing interest and photometry of point sources of diminishing importance. ... Fig. 1 shows the results of this and Fig. 2 shows the photometric accuracy and also a histogram of the background image. ... Fig. 4 shows the quality of the resulting photometry. ...

A spherical meteorite of radius 3m enters the Earth's atmosphere at an altitude of 100km and a speed (relative to the Earth) of 30 km/s. The atmosphere slows it down, so when it hits the Earth's surface it is travelling at only 1 km/s. If half of the heat generated as it passes through the atmosphere is absorbed by the meteorite, how hot will it be when it is about to land? ... However, the number I calculated (500,000 K) is correct, as is the discussion that follows it. ...

Next: A Gravimagnetic Rotator Up: No Title Previous: Special Cases: Supernova Explosion . One of the most important achievements in astrophysics during the period 1968-1970 was the realization that in addition to ``ordinary'' stars which derive their energy from nuclear reactions, there are objects in the Universe whose radiation is caused by a strong gravitational and magnetic field. ... Evolution of Magnetic Rotators . ... Evolution of Magnetic Rotators in Non-circular Orbits . ...

European . ... Public . ... ESO for the Public > Doing Business with ESO > Technology Transfer > Importance for ESO . ... Survey Telescopes . ... People and Events . ... Events . ... ESO Press Conferences and Events . ... SO's public relations and educational activities not only increase the awareness of ESO's scientific results among the general public, they are also an important way of stimulating interest in astronomy amongst school children who will be the next generation of European astronomers. ...

Next: One example Up: No Title Previous: No Title . Wavelets are versatile tools of harmonic analysis. Because of their many uses, the word `wavelet' comes with different connotations (and different promises) to users in different fields. ... To pursue the analogy, one may wish to select from the data some contact surfaces with specific finish tolerances. the amount of information is then reduced by selection and/or by statistical means. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Many of the topics studied will have a local perspective, helping learners become better equipped to meet the needs of Northern IrelandтАЩs economy in an international context. ... Learners in the Space Science Technology qualification will build upon their existing skills in science, maths, engineering and ICT, and will use their new-found knowledge to solve real-life problems. ... Northern IrelandтАЩs New Space Science Technology Course | ...

We provide below examples of ways to generate simulations of Chandra spectra using PINTofALE . ... cut 'n paste "threads" that walk through a specific simulation example, following all the steps with extensive comments; .par file scripts that can be run to do all the work at once. ... Cycle 09 Grating RMFs/ARFs . Note: At the time of writing, the HRC-S/LETG grating ARF files from the Cycle 09 page were incompatible with IDL. ... Simulation for Chandra ACIS-I . ... Simulation for Chandra LETGS . ...

... Directives | ... Apache HTTP Server Version 2.4 . ... It describes perhaps one of the most important concepts about mod_rewrite - namely, when to avoid using it. mod_rewrite should be considered a last resort, when other alternatives are found wanting. ... Using RewriteMap . ... Note that whether you use RewriteRule or ProxyPass , you'll still need to use the ProxyPassReverse directive to catch redirects issued from the back-end server: ProxyPassReverse /images/ http://imageserver.local/images/ . ...

... CREATE FULLTEXT MAPPING -- binds tokens and dictionaries . ... CREATE FULLTEXT MAPPING bind token of type lexemetypename and full-text dictionaries in given configuration cfgname . ... CREATE FULLTEXT CONFIGURATION testcfg LOCALE 'testlocale' LIKE russian_utf8; CREATE FULLTEXT CONFIGURATION =# CREATE FULLTEXT MAPPING ON testcfg FOR lword,lhword,lpart_hword WITH simple,en_stem; CREATE FULLTEXT MAPPING =# \dF+ testcfg Configuration 'testcfg' Parser name: 'default' Locale: 'testlocale' Token | ...

... Astronomy Letters . ... Since January 2000 our English translation (Astronomy Letters) is available on-line !!! . ... Scanned copies of Astronomy Letters for 1975-2000 can be found on-line in free access in ADS . ... The journal is translated in English under the name Astronomy Letters . ... 1995 , 1996 - the Grand prize (full story) , 1997 (full story) , 1998 (full story) , . ... LANL / ITEPh astrophysics preprints . ... E-mail: pazh@hea.iki.rssi.ru . ... 2016 IKI RAN ...

spaceweb@oulu.fi - last update: 28 May 1995, 0800 UT . Advanced plasma theories are extremely important when one tries to explain, for example, the various waves and instabilities found in the plasma environment. ... In the kinetic theory it is necessary to know only the distribution function for the system of particles. ... The dependence of the distribution function on the independent variables r , v , and t is governed by an equation known as the Boltzmann equation . ... Hot plasma theory . ...

Algebraic geometry studies geometric loci defined by polynomial equations, for example the complex plane curve f(x,y)=0. ... Some experience in geometry and topology (projective spaces, metric and topological spaces, simplicial complexes and homology groups) is desirable but not essential. Projective spaces. ... Plane projective algebraic curves: point multiplicities, intersection numbers, Bezout's theorem. Plane projective algebraic curves: singularities, duality, Pluecker formulas. ...

... Night skies over Chilean mountain top observatories can be dark and clear, with glorious cosmic vistas. In this recent example, the plane of our Milky Way galaxy stretches parallel to the horizon, the galactic center's star clusters, dark dust clouds, and glowing nebulae hovering in the west. ... The Horsehead Nebula in Orion . ... Like its better-known namesake M27 (the Dumbbell Nebula), M76 is recognized as a planetary nebula - a gaseous shroud cast off by a dying sunlike star. ...

... asmooth inset=in.ds outset=sm.ds sigma=2.5 smoothtype=simple . To create an adaptively-smoothed image `asm.ds' from input `in.ds', with maximum sigma = 10.0 pixels, desired signal-to-noise 5.0, using ccd mask `mask.ds': . asmooth inset=in.ds outset=asm.ds maxsigma=10.0 desiredsnr=5.0 withoutmaskset=yes outmaskset=mask.ds . ... asmooth inset=in.ds outset=bkg.ds maxsigma=10.0 desiredsnr=5.0 withoutmaskset=yes outmaskset=mask.ds withsrclistset=yes srclistset=boxset.ds . ...

... Another significant contribution to the crystal energy of metals is the electron-ion interaction or the electron bandstructure energy (E BS ) which is defined by the interaction of valence electrons and the Brillouin zone (BZ) planes. ... The program BRIZ has been developed for 3D visualization of Brillouin zone configurations and intersections of BZ planes with a Fermi sphere[4]. ... 1.75 (electrons/atom). ... 4] Degtyareva V.F., Smirnova I.S.: BRIZ: a vizualization program for Brillouin zone ? ...