... Laboratory . ... webmaster@izmiran.ru . ... Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, Moscow region, 142190 Russia . e-mail: karp@izmiran.ru . ... The concentration in the entire region of the trough is maximum in the Northern Hemisphere at a longitude of 300 o . ... The velocities and phases of the meridional and zonal components of the neutral wind vary with local time; therefore, the character of LE should also vary. ...

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Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...

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• The site testing programs in Antarctica and in Arctic

... Figure 1: Data from selected high latitude pointings overlaid in detector co-ordinates. 132ksec total low proton flare conditions, and bright point sources excised . Figure 2: Same data set from selected high latitude pointings but in 0.2-2keV only. ... Figure 3: Same data set from selected high latitude pointings but in 2-10keV only. ... Figure: EPIC MOS data set from selected high latitude pointings plotted as spectra (PATTERNS 12&&#XMMEA_EM), and normalised for approx 1 arcmin square. ...

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• Background subtracted source counts
• Background Files
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... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document supplements the mod_rewrite reference documentation . It describes the basic concepts necessary for use of mod_rewrite . ... Introduction . Regular Expressions . ... This document attempts to give sufficient background so that what follows is understood, rather than just copied blindly. mod_rewrite uses the Perl Compatible Regular Expression vocabulary. ... Matches any character . ...

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• Color Chilled 3-chip CCD Camera C5810
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Instrument Science Report WFC3 2005-001 Results of WFC3 Thermal Vacuum Testing - UVIS Channel Ghosts T.M. Brown February 2, 2005 ABSTRACT The optical ghosts in the WFC3 UVIS channel, measured during the Fall 2004 thermalvacuum test, show the same morphologies and strengths as characterized previously while under ambient conditions. ... Introduction The WFC3 UVIS channel shows significant optical ghosts in a subset of its filters. ...

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• Cool dust heating and temperature mixing in nearby star-forming galaxies
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• Absolute Calibration and Characterization of the Multiband Imaging Photometer

Understanding Europa's Radiation Environment and How it Influences Landing Site Characterization G.W. Patterson, L.M. Prockter, C. Paranicas Applied Physics Laboratory Introduction · The surface of Europa is weathered by charged and neutral particles, micrometeroids, and photons. ... Background · Criteria for characterizing potential landing sites [e.g., Figueredo et al., ... 2004) Background · Criteria for characterizing potential landing sites [e.g., Figueredo et al., ... Figueredo et al., ...

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... PmWiki . ... Go to new wiki . ... The (:if:) directive allows portions of a page to be included or excluded from processing. ... if name PAGENAME:) . current page is named " PAGENAME " . ... if auth LEVEL PAGENAME:) . ... if true:) . ... true if current date is DATE . ... true if current date is DATE or later (unlimited) . ... true if current date is in range DATE1 to DATE2 (inclusive) . ... true if the page pagename exists . ... current page is in group PmWiki or a group beginning with Pmwiki . ...

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• APPENDIX B. The perturbed boundary conditions
• ATNF Daily Astronomy Picture

... 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 ? ...

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... Paranal and La Silla general information and long term statistics of various parameters relevant for observational astronomy. on meteorology, telescope environment, atmospheric turbulence, and related topics (includes links to some other sites) . ... Databases for the Characterization of Astronomical Observatories Workshop La Laguna, Tenerife, Canary Islands, Spain; 22-23 June 2015 . ... Astroclimatology of Chajnantor . ... Photometry: Night Sky Quality at Mauna Kea , Cerro Pachon , CTIO and IAC . ...

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• Astroclimatology of Paranal
• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• ESO - Observing conditions: definitions

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

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• ARC 3.5m | Closure Conditions
• GRIM II Spectroscopy
• APO Telescope Documentation

... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...

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• Early Astronauts
• Apache mod_rewrite Introduction - Apache HTTP Server
• Character Device Drivers

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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• COALA - Computational Astrophysics Laboratory
• The PDS and some air-conditioning relics, ready for junking.
• Some Black Holes are Pink

OptInt PmWiki : Pm Wiki / Conditional Markup . ... current page is named " PAGENAME " . ... true if current page name matches the regular expression . ... The name and group conditionals will work even for an included page, as the "name" and "group" conditionals always check the currently displayed page, as opposed to the page that the markup appears in. ... can be used with the name and group conditional markups, thus: . ... current page is in group PmWiki or a group beginning with PmWiki . ...

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• Astrophysics Group Cosmic Microwave Background (CMB)
• Astrophysics Group Cosmology

. Russian (WIN) . 10-27/2/1999 . 6-28/1/1999 . For more information send a mail to: info@sputnik.infospace.ru . © 1998-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia.

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... Usually, H I is seen as bright emission against a darker background, but under the right viewing conditions, it can also be seen as dark absorption against a brighter background. In the case where the background is itself H I emission, the hydrogen is said to be self-absorbed, and the radiative transfer process is termed H I self-absorption (HISA). ... Shown below is a single CGPS H I 21cm spectral line channel at a radial velocity of -41 km/s in the Local Standard of Rest, at l =140њ, b =+1њ. ...

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• air conditioners
• Dark Hydrogen and the Cold Interstellar Medium
• Boundary Conditions etc.

. Remote Access to Northern Hemisphere Telescopes . Roll Roof telescopes . Shared Skies image archive . Restricted Access . Observatory site camera . Live night sky camera . CDK20N video server . CDK20N telescope power control . Observing Conditions . Observatory weather . Observatory sky background . Regional weather . Clear Sky Clock for Moore Observatory . Coordinated Universal Time . Local time . Last update: June 21, 2012 . kielkopf at louisville edu .

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• Remote Access to Mt. Kent Observatory in Queensland Australia

... History of regular observations over the Kerch Strait and the data sets available Chapter 2. ... Hydrometeorological conditions during the 10­12 November 2007 catastrophic storm, chronology of events, administrative actions taken and consequences of the disaster 30 34 38 55 Chapter 5. ... Satellite monitoring of the oil spill in the Kerch Strait 161 Chapter 7. ... Inventory of Data sets on the Kerch Strait accident oil spill, 11 November 2007 Annex 4. ... Measures taken by Ukraine Annex 6. ...

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• Current Solar Wind Conditions
• Space Weather Current Conditions
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... We present a new technique to segregate old and young stellar populations in galactic spectra using machine learning methods. We used an ensemble of classifiers, each classifier in the ensemble specializes in young or old populations and was trained with locally weighted regression and tested using ten-fold cross-validation. ... In this work we propose a Machine Learning (ML) method to determine the age of stellar populations in synthetic galactic spectra. ...

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• An Approach for Obtaining Polarization Information from COBE-DMR
• Recreating Einstein Level One Processing Exposure Masks and Background Maps in
• A Method for Minimizing Background Offset Errors When Creating Mosaics

... A simple Virasoro vertex algebra is rational (and -2 semisimple as well) iff its central charge is of the form c = 1 - 6(pppp ) , where p, p are relatively prime integers, greater than 1 (which are central charges of the so called minimal models). A simple affine vertex algebra Vk (g), attached to a simple Lie algebra g is rational (and semisimple as well) iff its level k is a non-negative integer. ... We call such f an exceptional nilpotent and such k an exceptional level. ...

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• http://www.mccme.ru/pdc/2005/reports/Skopenkov07.pdf
• http://www.mccme.ru/pdc/2007/xtra/Chelkak/Chelkak4_Publications.pdf