Tail Probe is one of the satellites of the INTERBALL program. ... Collection of the orbital elements | ... Flight situation analysis during operations scheduling . ... Two stages of the orbital situation analysis are presented: . ... The satellites motion calculation during the flight situation analysis is based on the orbital elements, determined by the Ballistic center at KIAM RAN. The modified (by backward integration) orbital elements are usedduring the aposteriory situation analysis. ...

... The evolution of magnetic fields in OB-type stars from the study of open clusters of different ages . ... Wade G. A. The MiMeS Project: Magnetism in Massive Stars . ... Polosukhina N., Shavrina T., Drake N., Kudryavtsev D. Smirnova M. New results of the spectral observations of CPstars in the Li I 6708? spectral region with BTA telescope of SAO RAS . ... Magnetic Stars-2010 . ... List of participants . List of reports . ... Laboratory for the Stellar Magnetism Study of SAO of the RAS . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This will include: efficient polarized and unpolarized spectrum synthesis; critical compilations of atomic data; determination of fundamental physical parameters; quantitative spectroscopy for abundance determination; magnetic field detection and modelling. ... Evelyne Alecian (Royal Military College of Canada) . ... Abundance analysis in magnetic and non magnetic stars (part I) . ... COFFEE BREAK . ... Herbig Ae/Be stars ....

... temporal activity in stellar atmospheres and signal processing of spectral data. ... 1) 1996: Found X-ray/UV/optical link of initial outburst event in a Be star. 2) 1996: Resolved radiative transfer problem concerning equal emissions of . singlet triplet lines of HeI lines in Be star spectra. ... 4) Late 1970's: Discovery of a new class of variables (nonradial pulsating B stars). 5) Mid 1970's: Application of Fourier techniques for optimized signal recovery . of spectral line profiles. ...

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... 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. ...

... The polarimetry group at the Arcetri Observatory has been working for several years, mainly from the theoretical-interpretative side, on the polarization of the radiation emitted by objects of astrophysical interest. ... E. Landi Degl'Innocenti "The physics of polarization" in "Astrophysical Spectropolarimetry", J. Trujillo Bueno, F. Moreno Insertis, F. Sanchez (eds.), Cambridge University Press, 1. ... E. Landi Degl'Innocenti "The Zeeman effect: applications to solar physics" Astron. ...

... Other Characteristics of the Sun: Variability of Rotation, Magnetism, Chemical Structure, Planetary System. ... Methods of Solar Magnetic Fields Measuring: Visual, Photografic, Photoelectric. ... Empiric Datas of Magnetic Fields in Photosphere, Chromosphere and Corona. ... Characteristics of Magnetic Field in Balanced Force Tubes by Potential and Forceless Field. ... Phenomenons in Active Region (Magnetic Field, Spots, Torches, Solar Prominences, Flares, Discharges. ... Magnetic Fields in Flares. ...

... 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: . ...

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. ...

... Consequently, it is inappropriate to expand and in ordinary spherical harmonics. The proper expansion expresses both and simultaneously in terms of a particular order of generalized spherical harmonics. ... Generalized spherical harmonics start at , and for each , . ... Generalized spherical harmonics obey a sum rule analogous to a familiar one for ordinary spherical harmonics, but it includes an explicit phase factor which depends on the orientation of the two lines of sight. ...

... 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. ...

Magnetic Stars, 2011, pp. ... We discuss our most recent determination of the rotational period from longitudinal magnetic field measurements and H variability -- the latter obtained from over a decade's worth of professional and amateur spectroscopic observations. ... We concluded that the dipolar field of HD 57682 is characterized by a polar strength of 1.7 kG, and a magnetic axis aligned within 10 to 50 of the rotation axis, depending on the inclination of the rotation axis to our line of sight. ...

Four spacecraft: INTERBALL Tail probe (IB_TAIL), CLUSTER II (ESA/NASA), POLAR(NASA/ISAS), GEOTAIL (NASA) are considered. ... four spacecraft . ... INTERBALL . ... IB_TAIL) . ... NASA) . GEOTAIL . NASA, ISAS) . The four spacecraft . ... Modified 28 August 2000 . ... INTERBALL mission | ...

Sarah Traine Supervisor: Andrew Melatos Master of Science (Research) - Physics Stokes Tomography of X-ray thermal emission Aims · Stokes Tomography .. Using stokes phase portraits to infer the magnetic field geometry. · ...using X-ray thermal emission. Strong B fields in NSs. Physical processes: plasma ­ atmosphere. ... Rotation of polarisation · Low fields: B <<7x1013G ­ Mode conversion effective for low E photons. ... Rotation of the linear polarisation by 90 · High fields. ...

Next: Evolution of Magnetic Rotators Up: ``Ecology'' of Magnetic Rotators Previous: The equilibrium period . The evolution of NS in binaries must be studied in conjunction with the evolution of normal stars. ... Figure: Tracks of NS on the period ( p ) - gravimagnetic parameter ( Y ) diagram: track of a single NS (vertical line) and of a NS in a binary system (looped line). ... Another version of the evolutionary track of a NS formed in the process of mass exchange within a binary system is: . ...

... hb ( uvd _real , v2 _real ) Function. Return diameter of star for given -distance and squared visibility. Uses calibration implemented in polynomial expressions. caldiameter ( starid _char , calid _char ) Function. Return the diameter of a star using the calibrator and the uncalibrated estimated squared visibilities. npoirates , starid , predictedrate Propagate the stellar flux through the atmosphere and NPOI, and return the predicted count rate for every NPOI channel. ...

... Editor's choices for the most educational Astronomy Pictures of the Day about Jupiter's Moons: . ... With this hypothesis , Callisto joins two other of Jupiter's moons, Europa and Ganymede , in candidates for sub-surface oceans. ... The smallest of Jupiter 's Galilean Moons (which include Io , Ganymede , and Callisto ), Europa's deep interior is composed of mostly of silicate rock . ... Explanation: Ganymede , one of the four Galilean moons of Jupiter, is the largest moon in the Solar System. ...

Magnetic Fields around Radio Galaxies Robert Laing (ESO) Laing et al. ... 2008) Negligible depolarization and 2 rotation Almost all Faraday effects must be due to foreground material How to fit depolarization caused by foreground Faraday rotation Complex polarization Rotation measure Integrate over a beam Observed RM for 0 2 rotation and depolarization Faraday rotation and depolarization 5.5 arcsec FWHM Faraday effects at high resolution FWHM = 1.5 ...

... 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. ...