... Polyhedral divisors and SL2 -actions on ane T -varieties. ... Michigan Mathematical Journal, to appear. See also Prepublication de l'Institut Fourier, hal-00595725; arXiv:1105.4494v1, 26 pp. ... Journal of Algebra, to appear. See also arXiv:0912.1474v2, 12 pp. ... Finite-dimensional subalgebras in polynomial Lie algebras of rank one. ... Homogeneous toric varieties. ... Sbornik: Math. 201 (2010), no. ... Journal of Pure and Applied Algebra 213 (2009), no. ... Journal of Algebra 304 (2006), no. ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... PUL VLBI Analysis Center . ... Pulkovo EOP and Reference Systems Analysis Center (PERSAC) is located at the Pulkovo Observatory . ... Processing of VLBI , GPS, and optical observations aimed at analysis of the Earth rotation, station displacement, and celestial reference system. ... Celestial Pole Offset (CPO) and Free Core Nutation (FCN) . Four daily updated CPO and FCN series (models) are provided. ... File fcn1.dat contains the ZM1 FCN model with variable amplitude and phase. ...

XmTel ----- XmTel is a Motif-based program including a command line utility cmdtel developed by John Kielkopf (kielkopf@louisville.edu) to operate a telescope connected to a Linux computer system. ... In other words, slew to a bright or easily recognized target, center it in the field, and click Reference -> Target. ... See the main README for cautions.) ... XmTel assumes that target coordinates entered from the keyboard are in the Epoch that the telescope coordinates are currently displayed in. ...

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

Supernova 2001K in IC 677 . This page is devoted to information on Supernova 2001K in IC 677 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the Supernova links web page. Discovered independently by BAO and Mark Armstrong (Kent England). ... SNWeb has a 2001K page . ... Mark Armstrong image . 2001/01/16.203 . ... LOTOSS image . ...

... Limit of star magnitude. If you want to obtain best results, you should use reference stars not more dimly than limiting star magnitude of your telescope. Limiting star magnitude depends on time of an exposition also.) This value should be set as " maximum of star magnitude " in a dialog box " Extraction from catalogue". To find darkest stars in the frame, make the following: . ... Two star magnitudes (m1, m2 in two photometric systems) will be outputted in the window "Information". ...

University Satellites and . Space Science Education . ... Practical Training for Students in Simulated Satellite Navigation and Attitude Determination for Universitetskiy-Tatyana Satellite - an Overview . ... The practical training has been developed to provide a basic introduction for students into satellite navigation, satellite motion in space, Kepler orbits, and computational techniques involved in dealing with problems of navigation. ...

... Events INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY PROBLEMS AND PROSPECT OF THE PROPULSION ENGINEERING DEVELOPMENT . ... INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY PROBLEMS AND PROSPECT OF THE PROPULSION ENGINEERING DEVELOPMENT . ... Development prospects and use of engines for aviation, space - rocket systems, motor transport mechanical engineering and stationary power supply installations . ... Propulsion engineering, power engineering and space vehicle ecology problems . ...

JSC History . ... NASA History . ... Search . ... Contact the JSC History Collection Archivist . ... The JSC History Collection is located in the university archives in the UHCL Alfred R. Neumann Library. For more location information, a map, and information on how to use the archives, visit the JSC History Collection Web page . The JSC History collection is listed in the following two databases / search indexes. ... Information on accessing the materials in the JSC History Collection . ...

... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...

... Best Targets for Astrophotography and What They Reveal About Our Universe . ... Ruben Kier's photos, articles, and letters have appeared regularly in Astronomy and Sky Telescope magazines. ... This year, Ruben summarized a decade of experience with CCD imaging in his new book, The 100 Best Astrophotography Targets: A Monthly Guide for CCD Imaging with Amateur Telescopes. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...

... Team contact name and e-mail address : Ivan Petrov ( e-mail : Ivan .Peterov@gmail.com) Team members' name(s) and e-mail address for the person(s) intending to attend the RadioAstron key science program consortia organization meeting in MPIfR (Bonn) on December 3-4, 2012: John Smith ( e-mail : John.Smith@gmail.com) An estimate of the total observing time request: 100 hrs Number of independent observing segments: 20 Ground array support . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a hot, dense soup of quarks and gluons. ... In the very last few kilometres some of the light was scattered by a myriad of water droplets (containing hydrogen nuclei which had existed almost since the Big Bang) slowly descending through the air following a rainshower. ...

Microsymposium 40, abstract 81, 2004 (letter format) THE MORPHOMETRIC ANALISYS OF THE FEATURES OF MARTIAN CRATERS (10 ­ 20 km). ... In the present work the morphometric parameters for 180 small martian craters (with diameters from 10 up to 20 km) [2] have been determined: depth of a crater- , height of a rim ­ h, with the help of profiles constructed on the basis of supervision of space vehicle MGS [3].The comparison with similar morphometric parameters of small lunar craters [5] also is fulfilled. ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

General Information . ... Local Information . ... The city represents great cultural value because in the late 19th and early 20th centuries, Kislovodsk as a fashionable spa attracted many musicians, artists, and members of the Russian aristocracy. ... Double room with full pension (breakfast, lunch, dinner) - 2620 rubles per person per night. solnechniy . ... Citizens of most countries need visa to enter the Russian Federation. ... Victor Kornilov, Sternberg Astronomical Institute (chair) . ...

... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

... Satellite data ] . SMIS ] . SMIS PUBLICATIONS . ... M. Andrrev, V. Efremov, M. Gostev, G. Dmitriev, Yu.S. Krasheninnikova , E. Loupian , A. Mazurov , R. Nazirov , A. Proshin , E. Flitman A System for Operational Remote Access to Archives of Data from Russian Earth-Observation Satellite Systems . The paper is devoted to general information system architecture, developed at IKI RAN for building information systems for access to satellite data and derived products. ... Preprint IKI RAS. ...