... 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. ...

... Main . ... Software . ... The Fakerat is a software package to help planning of observations with the RadioAstron mission. This version of the software has been designed to match the technical information that appears . in the RadioAstron User's Handbook . Fakerat, version 16, Linux distribution; release on December 27, 2013: . ... fakerat file . fakerat_lib file . readme file . install file . ... package src . Software complex ASL , Windows and Linux distributions. ...

... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Scientists of Samara University (joined SSAU and SSU) began to develop a unified manoeuvring unit for CubeSat-type nanosatellites for the first time in Russia. ... During one of his latest visits to SSAU he proposed to extend capability of the nanosatellites created in Samara University by making a manoeuvring unit and allocated funding to begin work on this topic. ... Nanosatellites of Samara University . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La premi†иre c†йph†йide de Hubble . ... C'est en observant les †йtoiles variables de type c†йph†йide que l'astronome Edwin Hubble a mesur†й pour la premi†иre fois la distance de la galaxie M31 †а l'aide du t†йlescope Hooker de 2,5 m du mont Wilson, en 1923. ...

... Elena Seifina and Lev Titarchuk "On the nature of the compact object in SS433: observational evidence of X-ray photon index saturation" 2010, Astrophysical. ... A.M. Cherepashchuk, R.A. Sunyaev, E.V. Seifina, E.A. Antokhina, D.I. Kosenko, S.V. Molkov, N.I. Shakura, K.A. Postnov, A.N. Timokhin, I.E. Panchenko "INTEGRAL Observations of SS433: Analysis of Precessional and Orbital X-ray Periodicities" 2007, 6th INTEGRAL Workshop, Eds. S. Grebenev, R.A. Sunyaev, p.411 (astro-ph/0610235) . ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

... Go to This section of the glossary . ... APHELION : The point in a planet's orbit where it is farthest from the sun. ... It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ... COMET: An object moving about the sun in an eccentric orbit and composed of materials which, on warming up near the sun, form a "tail" which always points away from the sun. ...

... The Hubble Space Telescope is a collaboration between ESA and NASA. ... In many ways Hubble has revolutionised modern astronomy, by not only being an efficient tool for making new discoveries, but also by driving astronomical research in general. ... However, in the last few microseconds before light arrives at telescope mirrors on Earth it must travel through our turbulent atmosphere and the fine cosmic details become blurred. ... Putting a telescope in space is one way of evading this problem. ...

Solar Large-Scale Chains: Some Events . ... The chains appear to light up separators or quasi-separatrix layers between different interacting large-scale magnetic flux systems in the global solar magnetosphere and, in particular, to outline large-scale coronal structures involved in the CME process. ... Some features of the chains and their relations to CMEs are illustrated for a number of halo CME-associated events. 23 events of 1997-2000 . ... Halo-CME-associated events of November 1997 . ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

... The Wide Field Spectral Imager ( WISPI ) seen here in the Roll Roof Facility provides visible and near-infrared spectra of the sky across 4 degree fields. ... A computer controlled mounting automates the acquisition of 2-D rastered spectral images. ... Light from the sky enters the large 400mm lens at top center, is imaged on the slit, collimated by the smaller 180 mm lens, and diffracted by the grating at the bottom toward the 200mm lens and CCD camera on the right. ... Camera - 200mm f/2 Nikor ED ...

... Since the fast mode window is necessarily small, the source PSF fills much of the window (clearly evident for bright sources). ... As such, the source and background extraction apertures may be truncated by the window. ... While often there will be only one object in the image, one should check for spurious detections which could affect the analysis of the target source and also for missed sources or prominent objects in the window, which may contaminate the target. ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

... Volodymyr Kuzkov, Sergii Kuzkov, Zoran Sodnik - Direct measurements of laser light aberration from the ARTEMIS geostationary satellite through thin clouds // arXiv.org - New resalts to paper at Conference ICSOS-2014, Kobe, Japan, May 7-9 (2014), S4-4, [view pdf file] . ... Kuz'kov V., Volovyk D., Kuzkov S., Sodnik Z., Pukha S. - Realization of Laser Experiments with ESA'S Geostationary Satellite ARTEMIS. ... Preparation to Optical Communication Experiments With ARTEMIS Satellite. ... V.P. Kuz`kov. ...

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

... Formation of Galactic Subsystems in Light of the Magnesium Abundance in Field Stars. ... The Thin Disk(2006) . ... I. The Thick Disk. ... A Compiled Catalog of Spectroscopically Determined Elemental Abundances for Stars with Accurate Parallaxws. I Magnesium. ... Stars of extragalactic origin in the solar neighborhood.( ... Evidence for age delay between the formation of the old halo and the thick disk(2000) . ... Tel:work(8632)433985 . home(8632)333178 . Fax:(8632)434044 . ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

... Commets: 10 pages, 1 figure . ... Commets: 16 pages, 12 eps figures. ... Commets: 4 pages, 4 figures, uses emulateapj5.sty, ApJL, accepted . ... Commets: 18 pages, 8 figures. accepted for publication in Astrophys.Journal, V589, June 1 . ... Commets: 11 pages, incl. 5 figures, accepted for publication in Physical Review E (a high-resolution version is available at http://www.aip.de./~ralf/Publications/p21.abstract.html ) . ... Commets: 17 pages, 6 figures, accepted for publication on New Astronomy . ...

Supernova 2004dj in NGC 2403 . This page is devoted to information on Supernova 2004dj in NGC 2403 . ... Thus, if you have any images of NGC 2403 taken in late July of 2004, they might be worth a second look. ... Icon generated from Bright supernova observing group's 2004dj image . ... JM Llapasset image . ... vsnet-campaign-sn 929] SN 2004dj (mag 11!) . vsnet-campaign-sn 930] SN 2004dj in NGC 2403 - visual magn. estimate . vsnet-campaign-sn 931] very bright SN 2004dj in NGC 2403 . ...

GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...