. Departement of Quantum Astrophysics . Head: Kurt V.G. , Prof. ultraviolet spectroscopy of planetary upper atmospheres and interplanetary/interstellar medium; . observations of gamma-bursts and optical identification of their sources; . long-base optical interferometry. Staff: .

... Up: Algorithms . ... The imaging problem can be described as an optimizing problem in mathematics. ... Computer simulations of rotating modulation collimator imaging show that the quality of images from this method is better than that from the traditional cross-correlation method. ... The imaging problem is: . ... The results show that this algorithm can be used in the imaging problem and usually results in a better image than that obtained from a traditional method such as cross-correlation. ...

... Astrophysics Group . ... VSA . ... CAT . ... The Very Small Array is a custom-built radio telescope (operating between 26-36 GHz), designed expressly to make high resolution observations of the cosmic microwave background (CMB) radiation on angular scales around and below one degree. ... The VSA has been operated in ?compact array? and ?extended array? configurations (see the technical description below) and data collected to achieve high sensitivity in both regimes have been analysed. ... 1.75 GHz)...

... About ATNF overview . News | ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... Parkes radio telescope . Australia Telescope Compact Array . ... New, high resolution observations of the HI emission line and 20-cm continuum at the Australia Telescope Compact Array (ATCA) for the prototype polar ring galaxy NGCб 4650A are presented. ...

... Edge-on spiral galaxies with prominent dust lanes provide us with an excellent opportunity to study the distribution and properties of the dust within them. ... Aims: Within this first paper, we present the Herschel observations and perform a qualitative and quantitative analysis on them, and we derive some global properties of the far infrared and submillimetre emission. ... Modified black-body fits to the global fluxes, measured using aperture photometry, result in dust temperatures and dust...

... Field of interest: data analysis and interpretation of X-ray observations of BHC and NS systems, astrophysics of compact objects and related phenomena: X-ray , optical and radio observations , shocks and stellar winds, emission mechanism, the spectral and timing analysis of the X-ray emission from microquasars ( signature of accreting BH), atoll- and Z-sources ( signature of accreting NS), modeling of INTEGRAL images % . ...

... 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 ) ...

Next: J.E. Chambers, Research Astronomer Up: Research Previous: Research Contents . ... Solar Variability and Climate . Other Activities . ... Applied to data of flares on Gliese866 he was able to estimate the area of hydrogen emitting flare regions as 1-13% of the stellar surface. ... As partners in the project, Armagh Observatory has been asked to contribute to the selection process in exchange for priority access to the data which will eventually flow from the satellite. ...

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 ...

This astrostatistics session will honor the memory of Alanna Connors. Alanna was a pioneer in the investigation and development of statistical methods required for the analysis of high energy data. The session will provide a historical perspective on Bayesian methods, highlight the topics where the contribution made by Alanna were particularly important, summarize current analysis challenges and discuss future perspectives. ... 131.02 Promoting widespread use of Bayesian analysis . ...

... Science Publications > Science Announcements > 8th VLTI Summer School: High angular resolution in astrophysics: optical interferometry from theory to observations . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... Optical/infrared long-baseline interferometry has reached a new stage with the advent of multi-telescope arrays accessible to a broad community of astronomers, most notably VLTI . ...

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

. Next: Introduction Up: The Second EGRET Catalog Previous: Introduction . Introduction . Diffuse Model . Maximum Likelihood Application . Source Detections . Source Positions . Catalog Construction . Sergej A.Trushkin . Sun Dec 8 10:02:02 MSK 1996

Kholtygin A.F., Shneiwais A.B. Stochastic Data in Astronomy: Fourier Analasis of Strongly Unevaen Time Series . Astrophysics, 48 , 87-100 ( 2005 ) . A detail analysis of the CLEAN algorithm for strongly uneven time series is given. ... The results of our analysis are used for searАhing the harmonic components in line profile variations in the spectra of O8III star lambda Ori A obtained in 2001 with 1 m telescope of the Special Astrophisical Observatory of the Russian Academy of Science. ...

Astrophysical implications of external triggers, GRB030329 in particular External Triggers subgroup · · GRB astrophysics is still very uncertain Associated GW emission: even more uncertain Interpret our observations in the simplest terms Easy to re-cast in terms of specific models Provides some astrophysical context which is readily interpretable Probable: The GRB field will need GW observations to fully understand GRB progenitor astrophysics Nov 10, 2003 Frey 1 Short and Long GRBs.. ...

... Read observation source list Sort into order of descending count rate Read names of exposure lists used to create observation list from keywords in observation list Check that supplied exposure list was used to create observation list Read exposure source list Find index into ML_ID_SRC vector columns for the given exposure list while ( source ... The observation source list contains a set of keywords M1_SET1, M1_SET2, M1_SETn, .. ...

... 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. ...

... Galactic survey see also Galactic survey in CATS . ... Trushkin S.) . ... Bursov N., Parijskij Yu., Soboleva N., Temirova A.) . ... Galactic supernova remnants (Trushkin S.A.) Atlas of the Galactic SNRs , radio spectra compiled RATAN and other data, RATAN-scans . ... Trushkin S., Verkhodanov O., Chernenkov B., Andernach H.) . ... Kopylov A., Parijskij Yu., Soboleva N, Temirova A., Verkhodanov O.) . ... Soboleva N., Temirova A., Trushkin S., Verkhodanova N.) . ... Students astrophysics schools ...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Steps for ISOCAM Data Processing At the moment, the following steps for astronomical ISOCAM data processing are generally performed: 1. data preparation (slicing, generation of CIA prepared data structures) 2. cross­talk correction (for the short­wave detector only) 3. deglitching (removal of cosmic ray hits) 4. dark current subtraction 5. transient ... The images can be shifted and annotated. ...