... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...

Next: Primary Catalog Up: Observations and Analysis Previous: Source Positions . ... This energy selection allows direct comparison with previous EGRET, COS-B and SAS-2 results. ... The energy spectra shown in the catalog are taken largely from previous EGRET publications (or those currently in the publication process), which discuss the details of source identifications, time variability, and energy spectra. ... Such sources are identified in the catalog. ...

... The absolute flux calibration of NICMOS will be calculated from observations of standard stars with known flux distributions F( ). ... In order to expand the set of IR standard stars in the appropriate flux range for NICMOS, M. Rieke, R. Thompson, and collaborators at the University of Arizona are making photometric observations of solar-analog stars, which will be used to normalize the solar spectrum to the observed IR magnitudes. ... Relative flux references accurate to 1.5% for standard...

... Binary orbits in the acceleration/period plane . Circular Orbits . ... We first present the equations for the period and acceleration of a pulsar in an eccentric binary system as a function of its position in the orbit. ... In Freire, Kramer & Lyne (2001) (from where most of this text and following equations are taken), we describe in more detail how circular binary orbits can be determined from the observed periods and accelerations of the pulsar. ... where is the orbital period of the binary. ...

... Data Analysis SAS News What is SAS? ... The accuracy of the energy cross-calibration of the EPIC-pn camera in different operating modes was determined, using observations of the line-rich supernova remnant (SNR) Cas-A. For the Extended Full Frame (eFF) mode a special energy calibration was performed, which showed an overcorrection of the energy with respect to the Full Frame (FF) mode for the internal calibration source at aluminium and manganese energies. ... XMM-Newton; Europe's X-Ray Observatory ...

Cool Stars, Stellar Systems and the Sun ASP Conference Series, Vol. 154, 1998 eds. R. A. Donahue and J. A. Bookbinder The Coronal Metallicity of the RS CVn Binary HR 1099 Jeremy ``Unbiased'' Drake and Vinay Kashyap Harvard­Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge MA 02138 Abstract: We have derived the abundance of iron relative to hydrogen in the corona of the active RS CVn binary HR 1099 (V711 Tau) using ... CD--1014 Coronal Metallicity of HR 1099 CD--1015 2. ...

... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...

. The elementary methods (that is, the use of real analysis vs. complex analysis) have a long history from Chebyshev to modern times. They lead to great achievements, due to Erdos, Selberg, Bombieri, etc. I recently started a thorough study of these methods, in order to understand their scope. In the talk, I will give a quick survey of this field, and some new observations. Go to the Laboratoire Poncelet home page. Site design by Paul Zinn-Justin

... The Earth orientation parameters UT1 and polar motion (x pol ; y pol ) are relat­ ed with the values of UT0 and VOL obtained from the LLR analysis for a station with geocentric longitude and latitude (–; OE) by the following expression: 7 UT0 \Gamma UTC = UT1 \Gamma UTC + (x pol sin – + y pol cos –) tan OE 15 V OL = x pol cos – \Gamma y pol sin – At least four normal points for each station--reflector pair at one day were accepted for the diurnal UT0 estimations. ...

... 13, Moscow 119992, Russian Federation, e-mail: busarev@sai.msu.ru; 2 Research Institute Crimean Astrophysical Observatory, p/o Nauchnyi, Crimea 334413, Ukraine, e-mail: prok@crao.crimea.ua Summary: We propose a combined method of astronomical investigations of small or distant planets incorporating registration of a set of integral spectra of an object and their frequency analysis. ... An application of the method is shown on example of asteroid 21 Lutetia. ... 6] Busarev V. V. (2002), Solar Sys. ...

... Samara State Aerospace University Staff Myasnikov Vladislav Valerevich . ... How to Use Geoinformation Technologies and Space Monitoring for Controlling the Agricultural Sector in Samara Region // Pattern Recognition and Image Analysis. ... Kuznetsov A.V. , Myasnikov V.V. Remote sensing data verification using model-oriented descriptors // 4th International Conference on Analysis of Images, Social Networks and Texts, AIST 2015;, , , , 2015, P. 96-101 . ... Pattern Recognition and Image Analysis. ...

... Image Processing of Digitized Spectral Data A. V. Boulatov and L. K. Kashapova Institute of Solar­Terrestrial Physics, Siberian Division of Russian Academy of Sciences, P.O.Box 4026, Irkutsk, 664033, RUSSIA Abstract. ... To analyze long­period solar features we have to use both old and new observations, i.e., photographic images and frames from the CCD detector. ... To obtain intensity values from the photographic image we have Image Processing of Digitised Spectral Data 65 Figure 1. ...

... X-Ray Structural Analysis . ... The course introduces the basic principles of diffraction analysis of crystal atomic structure and the basic concepts of state-of-the-art atomic crystallography. ... X-ray crystal diffraction. тАЬGeometricalтАЭ theory of diffraction by three-dimensional scattering center grating. ... Systematic X-ray reflection extinction related to Bravais lattice type, screw axis, glide-reflection planes. €аFourier synthesis as a method of crystal atomic structure analysis. ...

... At 22:42:27 UT 26/07/09, the Burst Alert Telescope (BAT) on board of the SWIFT multi-wavelength space observatory triggered and located GRB 090726 gamma-ray burst event. ... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ...

Main Program Travel Where to go in Moscow Information . ... The 2014 year marks the 100th anniversary of Yakov Zeldovich . ... John Carlstrom (University of Chicago) . ... Lyman Page (Princeton University) . ... The conference will be held at the Space Research Institute (IKI) in Moscow, Russia, on June 16-20, 2014 . ... International Conference: Cosmology and High Energy Astrophysics (Zeldovich-90) 20-24 Dec 2004, Moscow, Russia . ... 2014 Space Research Institute, Moscow Русская версия ...

... AGU Fall Meeting, 15-19 December 2008, San Francisco, poster . Zotov L., Shum C.K, Singular spectral analysis of GRACE observations Climate, Statistics, and Satellites, a symposium in honor of Jerry North , June 8-10, 2009, Presidential Conference Center, Texas A University, talk . 2009 Fulbright Visiting Scholar Conference, 19-21 April 2009, Washington DC . ... Zotov L., Shum C.K., Singular spectrum analysis of GRACE observations, 9th Gamow summer school 17-23 August, 2009, Odessa, Ukraine . ...

Peremennye Zvezdy ( Variable Stars ) 33 , No. ... We present our discovery a new variable star USNO-A2.0 1350-17086180 from observations at the Astrotel-Caucasus Observatory. ... The numbers of observations on each of the observing nights are presented in Table 1; the observations are attached to the html version of this paper. ... Numbers of observations . ... No. observations . ... 0.001 . ... 0.000 . ... 0.003 . ... 0.004 . ... 0.002 . ... 0.005 . ...

A limit on the ultra-high-energy neutrino flux from Centaurus A Justin Bray For the LUNASKA collaboration Clancy James, Ron Ekers, Chris Phillips, Paul Roberts, John Reynolds, Rebecca McFadden, Ray Protheroe, Jaime Alvarez-MuЯiz, Justin Bray Outline: · Ultra-high-energy (UHE) cosmic rays neutrinos · Detecting UHE neutrinos · The lunar Cherenkov technique · Observations with the ATCA · Observations with Parkes · ASKAP and the future ... Detection Geometry Neutrinos are penetrating.. ...

... Observatory . ... Science . ... Science Users Information > Science and Technical Meetings > Conferences 1998 > eso-ohp6 . ... Science Users Information . Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... 6th ESO/OHP SUMMER SCHOOL IN ASTROPHYSICAL OBSERVATIONS . ... The ESO/OHP Summer School offers young astronomers the opportunity to gain practical observing experience under realistic conditions. ...

Marc White . ... Turbulent entrainment processes may play an important role in the outflows from young stellar objects at all stages of their evolution. In particular, lateral entrainment of ambient material by high-velocity, well-collimated protostellar jets may be the cause of the multiple emission-line velocity components observed in the microjet-scale outflows driven by classical T Tauri stars. ... University of Amsterdam; STARPLAN, Copenhagen, Jul 2013 . ... E marc.white@anu.edu.au . ...