Central Astronomical Observatory at Pulkovo of Russian Academy of Sciences PUL Analysis Center Pulkovo IVS Analysis Center (PUL) 2009 Annual Rep ort Zinovy Malkin, Natalia Miller, Elena Popova Abstract This report briefly presents the PUL IVS Analysis Center activities during 2009 and plans for the coming year. The main topics of the investigations of PUL staff in that period were ICRF related studies, computation and analysis of EOP series, and VLBI2010 related issues. ...

... The Momentum of Open Systems Xtra '94 Survey Report . ... 4 Business Drivers 19 . ... B Xtra '94 Survey Questionnaire 85 . ... 5-2 IT Spend as % of Revenue versus Revenue per Employee 33 . 5-3 IT Spend per Employee versus Revenue per Employee 33 . 5-4 IT Spend as % of Revenue versus Revenue per Employee for Over/Under Achievers 35 . 5-5 IT Spend per Employee versus Revenue per Employee for Over/Under Achievers 36 . ... 8-2 Xtra '94 Survey Data Based on Revenue, Employees and IT Spend 62 . ...

... 2002 . I half-year . ... 2003 . ... 2004 . ... 2005 . ... 2006 . ... I half-year (pdf) . ... 2015 . ... Last update: 17/11/2015 ...

... IAA VLBI Analysis Center . ... First IAA SLR EOP submission to IERS Annual Report . ... Beginning of operational processing of SLR observations . ... We use several program packages for analysis mostly developed at the IAA: GROSS for processing of the SLR observations and analysis of EOP and coordinates time series, OCCAM/GROSS for computation of EOP, station coordinates, and troposphere parameters time series from the VLBI observations, GRAPE for processing of GPS observations. ...

Next: Summary of reduction Up: Echelle Reduction Previous: Saving the Data . In the present version we will be concerned with the standard configuration of CASPEC, the Cassegrain Echelle Spectrograph which is in operation at the Cassegrain focus of the ESO 3.6 m telescope. ... In its standard configuration CASPEC uses a a 31.6 lines/mm echelle grating together with a 300 lines/mm grating cross disperser. ... The table shows the change in resolution with the order number. Table: Resolution . ...

HEAD 2011: Poster 10.05 Project Tanagra: Stellar Flares in Chandra High-Resolution Spectra Jennifer Posson-Brown, Vinay Kashyap, Steven Saar & Jeremy Drake (Harvard-Smithsonian Center for Astrophysics) Abstract We introduce Project Tanagra: Timing Analysis of Gratings Data, a uniform study of archival Chandra gratings observations of active l ow-mass coronal stars. ... See Kashyap et al. 2002, 2011 and Saar et al. 2011.) ... High resolution spectra from MEG and HEG first order, and ze roth order. ...

... Bojan Nikolic web pages home . ... We have posted today three reports on ALMA phase correction performance when using the WVRGCAL program. ... Sarah F. Graves: WVRGCAL performance: early 2011 observations & smoothing, March 2012 . Marcel Clemens, The performance of wvrgcal тАФ The 4 quasar, band 9 experiment, uid A002 X2d1a7d X35b.ms , November 2011 . Marcel Clemens, The performance of wvrgcal тАФ The influence of self-cal, September 2011 . ... Copyright 2012, Bojan Nikolic feedback welcome ...

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

SAO is Russia's main centre for ground-based space research. ... The basic instruments of the Observatory are the optical telescope BTA (Big Alt-azimuth Telescope) with a main mirror diameter of 6 m and the radio telescope RATAN-600 with the antenna diameter 600 m. Study of the Universe as a whole, analysis of non-stationary energy release in galactic and extragalactic objects of various types, investigation of evolution and chemical composition of our Galaxy and the nature of solar activity. ...

... The reduction system of observations FADPS (description in Russian) (Flexible Astronomical Data Processing System) for data of wide-band receivers of the first observation cabin of the radio telescope RATAN-600 had been created under the Unix-like operational system DEMOS for computers of the SM-1420-type (PDP/11) in 1987 for observation analysis and estimates of coordinates and flux densities of radio sources. ... FADPS: flexible astronomical data processing system at RATAN-600 in UNIX environment....

... Dept. for Physics of Planetary Systems . ... Laser station . ... Built a network of laser stations (LLS), radio (GNSS) satellites and observation radiointerferometrychnyh observations of quasars (VLBI) ( YA.S. Yatskiv, Medvedsky MM, AA Pace, EE Volvach, YL Kokurin in collaboration with workers in other entities) . ... БЂў Laser station observation satellites is the global network of service stations of the International Earth rotation and conducts active surveillance for international programs. ...

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

Astronomer George Gliba, Compton GRO Science Support Center, filed this report based on his visual observations made on March 22 6:20 UT from Greenbelt, MD. (a suburb of Washington DC., ... This comet is wonderful. I saw 5 degrees of naked-eye tail from downtown Greenbelt, Md. ... The comet was about 1st magnitude! ... In a dark sky this must be too much." ... Observers in dark sky areas are indeed reporting an amazing view with 20 degree (and larger) tails. ...

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

Proceedings of Turbulent Shear Flows XI , 1997. NASA Technical Paper # 3555 , 1997. Proceedings of European Turbulence Conference VI , 1996. ESPRI Research Report # 104, 117-143 (1996) . ... Proceedings of Turbulent Shear Flows X , 1995. ASME Paper 95-GT-437 , 1995. ... Invited AIAA Paper 94-2281 presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. AIAA Paper 94-2323, presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. ...

... Seminar archive . ... Type Ia Supernovae (SNe Ia) have an important role to measure a distance to an anonymous galaxy because they have a good correlation of the decline rates of the light curves with the absolute luminosity. ... First, super-Chandrasekhar SNe which have extremely high luminosity, slow decline rate of the light curves, slow expansion velocity and strong carbon features. ... As another example of diversity of SNe Ia, I would like also to introduce Type Iax SNe. ... All seminars: . ...

Kholtygin A.F., Galazutdinov G.A., Burlakova T.E., Valyavin G.G., Fabrika S.N., Lee B.-C. Microvariability of Line Profiles in the Spectrum of the Star iota Her . Astronomy Reports, 50 , 230-231 ( 2006 ) Original Russian Text published in Astronomicheskii Zhurnal, 83 , No. 3, pp. ... We present the results of a search for and analysis of line-profile variations in the spectrum of the star iota Her. ... Evidence was found for cyclic variations of the lines, with periods from 7 hour to 2.9 day. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–їs . ... Accueil Ce week-end, 2 grands festivals astro ! ... D–Rs ce samedi 28 septembre, et jusqu'au 6 octobre 2013, le Festival des deux infinis convie le grand public –Љ d–їcouvrir l'Univers –Љ travers un cycle de conf–їrences , une rencontre-colloque sur les sciences collaboratives en astronomie, ainsi que des promenades astronomiques dans la capitale , et m–Tme une soir–їe d'observation depuis le parc Montsouris ! ...

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. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...