... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

... Time calculated from Fermi GBM Trigger Time = 14:12:08.67 ( Connaughton, GCN 9230 ). 1% coincident with our start zero image time. 3x3 degrees around Swift XRT position . ... SUBJECT: GRB 090424 : MASTER-Net prompt optical limit DATE: 09/04/25 20:29:42 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski ... Our observations results: ---------------------------------------------------------------------- Fermi GRB Trigg.* ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Although their determination is based on the scattering process model, independent check-ups by rocket experiments have shown their correctness in experimental applications. ... Ionospheric data analysis, especially during strong disturbances, cannot be without some other kinds of diagnostic tools. ... The lack of data has always been a challange in this case. ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

... Cross-shaped galaxy ZGC 2315+03 (Fig.1) has been described by Zwicky (1971) as ``post-eruptive or the result of the crossing of a compact galaxy through an edge-on spiral'' . This object was included in the Polar-Ring Catalog (C-71) by Whitmore et al. (1990) as a possible candidate for Polar-Ring Galaxies (PRG). ... One of them is galaxy 'disk' and the other is 'polar-ring'. ... The facts against the polar-ring nature of ZGC 2315+03 can be summarized as follows: . ...

Files do not actually reside inside directories. ... The directory holds two pieces of information about each file: . ... an inode number which acts as a pointer to where the system can find the information it needs about this file. Filenames are only used by the system to locate a file and its corresponding inode number. ... To the system, the file is the inode number. Multiple filenames can be used to refer to the same file by creating a link between an inode and each of the filenames. ...

... In LABORATORY OF RADIO ASTROPHYSICS OF SPECIAL ASTROPHYSICAL OBSERVATORY OF RAS . ... History . ... Current problems of the group research interests: . study for cosmic microwave background, . study of radio galaxies (identification, evolution, statistical investigation of population), . investigation of the RATAN-600 antenna, . observations in the survey mode with RATAN-600 and their analysis, . creation of the software for data analysis. vo @ sao.ru ( Oleg Verkhodanov ) ...

... The discovery of this radiopulsar is potentially important not only for confirming the theory of evolution of NS, but also for understanding processes occurring in stellar winds   from normal stars. After all, a radiopulsar orbiting in the semi-transparent stellar wind of a normal star is a sort of probe scanning an inhomogeneous plasma by pulsed radiation (Lipunov and Prokhorov, 1984)[ 110 ]. ... 1) absorption of radio waves (light curve); . ... This object is a radiopulsar orbiting a Be-star. ...

INTEGRAL observations of SS433 : new results Anatol Cherepashchuk Sternberg Astronomical Institute, Moscow University, Russia In collaboration with: Rashid Sunyaev ... Eleonora Antokhina, Nikolai Shakura, Darja Kosenko, Elena Seifina,Sergey Molkov (IKI) 1 Overview · Introduction · · · · Observations Analysis of hard X-ray spectra Analysis of hard X-ray eclipses Discussion and conclusions December 26, 2007 ...

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Before we get to this week's snack, let me remind you that Leonids meteor shower peaks November 17. ... Theorists take that data and work mathematical models, trying to see if they can get the known laws of physics to mimic reality. ... It was an interesting feeling to actually see that area of sky with my own eyes. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter!...

... Old World First Asteroid Radar Echo. ... It testifies that 4179 Toutatis is a double object like asteroid 4769 Castalia. ... Interference of Radar Echo from the Binary Asteroid 4179 Toutatis. ... An analysis of the 6-cm radar data revealed quasi-harmonic oscillation of the echo’s “central” Doppler frequency with a period of about 14 sec and a deviation of about (0.7*B) Hz, where B is the echo bandwidth, which for 4179 Toutatis was equal to 2.1 Hz and 1.9 Hz for 1992 Dec 8 and 9, respectively. ...

SOLAR EVENTS OF OCTOBER–NOVEMBER 2003 . BY IZMIRAN RADIO OBSERVATIONS . I.M. Chertok, V.V. Fomichev, A.A. Gnezdilov, R.V. Gorgutsa, A.K. Markeev, and D.E. Sobolev . ... Digital Radio Spectrograph of IZMIRAN . ... PDF file of the paper "Violent Solar Eruptive Events of October-November 2003 as Recorded by IZMIRAN Radio Observations" , by I.M. Chertok, V.V. Fomichev, A.A. Gnezdilov, R.V. Gorgutsa, A.K. Markeev, and D.E. Sobolev , Astronomical and Astrophysical Transactions, v. 24, No. 1, pp. ...

... NASA U.S. Spacesuit Knowledge Capture . ... During the program?s existence, more than 65 seminars have captured spacesuit history and knowledge; those that are available at this site have been approved for public release. For questions about the program or presentations, please contact: cinda.chullen-1@nasa.gov or vladenka.r.oliva@nasa.gov . The following presentations consist of video recordings (MPEG-4 and Ogg), transcripts (TXT),and accompanying slides and/or information (PDF). ...

image_00144.fits TARGET = 'M42 ' / target EXPTIME = 1.0E +02 / exposure time ( seconds ) FILTER = ' (3) i (700-825) ' / filter DATE-OBS = '2011-11-01T06:38:25' / date of observation (UT) image_00145.fits TARGET = 'Ori 42 ' / target EXPTIME = 1.0E +02 / exposure time ( seconds ) FILTER = ' (1) g (400-530) ' / filter DATE-OBS = '2011-11-01T06:42:21' / ...

... astro-ph . ... Statistical Characterization of the Chandra Source Catalog . ... The first release of the Chandra Source Catalog (CSC) contains ~95,000 X-ray sources in a total area of ~0.75% of the entire sky, using data from ~3,900 separate ACIS observations of a multitude of different types of X-ray sources. ... In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Asteroid . ... Site . ... The evening of October 26, 2011, Mark Trueblood, Robert Crawford, and Larry Lebofsky used the Kitt Peak 2.1-m telescope to observe Near Earth Asteroid (NEA) 2008 QT3. ... single still jpeg frame . ... The National Optical Astronomy Observatory (NOAO) issued a press release concerning Morgan's work on Monday, November 21, 2011 and posted it on the home page of their web site . ... 2013 Winer Observatory. ...

... Capability of space means for the solution of problems of military character . ... Classification and functions of space systems of military purpose(assignment) . ... Ground complex of maintenance of launch and control of space vehicles . ... Capability of space systems of optical reconnaissance . ... Complexes topographical and earthresource shooting on base of "Zenit" space vehicle . ... Space vehicle for optical-electronic reconnaissance . ... System with space vehicle on low-altitude orbits . ...

E.T. MATVEYEVA, R.V.Shchepetnov Сatalogue of geomagnetic pulsations of Pc1 type on observation data at the Antarctic Observatory Mirny Geophysical Observatory Borok, Institute of Physics of the Earth RAS, Russia The catalogue is based on the analysis of long-term and continuous observations of pulsations such as Pс1 on the Antarctic Observatory Mirny( ? ... C?- traces of Pc1. ... The period of Pc1 in seconds (Ts) is determinated as averaged prevailing in the given time interval. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Understanding wavelets . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email...