... It is shown that this approach allows one to qualify and visualize some major trends characterizing the current astronomical literature: multi-author collaborative work, the impact of observational projects and thematic maps of publishing authors. ... 1997). The latter functionalities (called data mining functionalities) result from data analysis, data evolution analysis and data correlation principles and allow one to discover a priori unknown knowledge or information (Shapiro et al. ...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Information Mining in Astronomical Literature with Tetralogie D. Egret CDS, Strasbourg, France, Eнmail: egret@astro.uнstrasbg.fr J. Mothe 1 , T. Dkaki 2 and B. Dousset Research Institute in Computer Sciences, IRIT, SIG, 31062 Toulouse Cedex, France, Eнmail: {mothe/dkaki/dousset}@irit.fr Abstract. ... 1997). ... The Result Visualization The information mining result is a set of points in a reduced space. ...

... Up: ``Robots Are Us'': Automated Information Discovery . ... In a next step, T?tralogie is used for analysing evolutionary trends. ... The system developed, named T?tralogie (see Chrisment et al. 1997), has been applied to a sample of astronomical literature. ... In a first paper (Egret et al. 1998) presented at the ADASS VII Conference, we have shown how the T?tralogie system ( http://atlas.irit.fr/ ), based on data analysis methods, can be used to mine astronomical information. ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

Analysis of Observations of Earth Impact Object 2008 TC3 . ... Central (Pulkovo) Astronomical Observatory of RAS, St. Petersburg, Russia Abstract: . On-line astrometric and photometric observations of asteroid 2008 TC3 , discovered 19 hours before its impact on Earth [1], were carried out with the mirror astrograph ZA-320 пњ at Pulkovo observatory at night of 7 th October, 2009. ... Results of analysis of the of 837 observations taken at 26 observatories worldwide are presented. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

... Bojan Nikolic web pages (r. 329) . ... Using high-resolution three-dimensional realisations of turbulent fields, we investigate the limits on achievable performance of atmospheric phase correction using water-vapour radiometers arising from following effects: the incoherent measurement of power from water by the radiometers (in contrast to coherent detection of the astronomical signal); the different tapers of the response patterns of the astronomical and radiometer receivers; and, the ...

... Most Important Journals . Less Popular Astronomical Journals . Physics . Space, Selectial mechanics, .. Russian Journals . ... Astrophysics & Astronomy . ... Astronomical Journal . ... New Astronomy . ... Publications of the Astronomical Society of the Pacific . ... STScI News . Space Telescope Insitute Newsletter . ... Journal of Astronomical Data . ... Journal of High-Energy Physics (mirror in CERN ) [astro, grav, hi-energy .. ... Journal of Experimental and Theoretical Physics . ...

ASC-FITS-2.0.1: ASC FITS File Designers' Guide (Rots and McDowell) (1999 Jun) . ASC-FITS-REGION-1.0: FITS region document (McDowell and Rots) (1998 Mar) . ... CXC-DM-001 Introduction: Data Analysis with the Chandra Data Model (2001 Oct) . ... 1998 Feb 26: SDS-1.0: Data Product List: obsolete . ... 1998 Mar 09: SDS-10.0: (ASC-FITS-REGION-1.0) FITS region document: see ASC-FITS-REGION-1.0 . 1998 Feb 09: SDS-11.0: FITS function document (superseded by ASC-FITS-FUNCTION-1.2) . ...

Workshop on geometric analysis and spectral theory . ... On a class of random walks on groups with infinite number of generators". ... Optimal transportation, weak flows and very degenerate elliptic PDE's". ... Singular solutions to fully nonlinear elliptic equations". ... I will give some hints on how this conjecture is related to minimal surface theory and I will describe some flatness results for non local equations on one hand and on elliptic equations on riemannian manifolds on the other hand. ...

... 223, 2004 A.V. Stepanov, E.E. Benevolenskaya & A.G. Kosovichev, eds. DOI: 00.0000/X000000000000000X Review of exp erimental results on geo effectiveness of solar and interplanetary events Yu.I. Yermolaev and M.Yu. ... We present a brief review of published results on the geomagnetic storm effectiveness of CMEs and solar flares as well as of interplanetary events. ... Sun: coronal mass ejections and flares, Solar wind, Geomagnetic storms 1. ... I., Yermolaev, M. Yu. 2003a Cosmic Research 41, 105­109....

The spectrophotometrical complex of the 6-m telescope in Nasmyth-1 focus . ... A new sample of 360 blue compact galaxies with a strong star formation was build on the base of the Second Byurakan Survey. ... More that 20 galaxies with the extremely low-abundances of heavy elements in the range of 1/30-1/10 of the Sun's one, were found. ... During the 15-years observation term near 500 spectra of the unique source SS~433, from which the relativistic jets were found for the first time, were obtained. ...

Peremennye Zvezdy", . ... 9, N 16 (2009) . ... Star Name: . USNO-A2.0 1350-06316386, USNO-B1.0 1416-0177942 . ... A new Algol-type variable star was discovered by me during observations of comet C/2006 OF2. ... The observations were conducted over 25 nights from January 22 to March 17, 2009 using the remotely controlled Maksutov-Newtonian telescope (D = 356 mm, F = 1330 mm) of the Tzec Maun Observatory (New Mexico, USA) equipped with an unfiltered SBIG ST-10XME CCD camera. ...

... A team of Japanese scientists including Armagh astronomer Dr David Asher have announced the discovery of the second largest known Earth-crossing asteroid. The group is based at the new Japanese Spaceguard Centre at Bisei, west of Osaka. ... The subsequent tracking and orbit determination was assisted by Armagh asteroid expert David Asher, who is currently visiting Japan to help in the setting up of the new Spaceguard Centre funded by the Japanese government. ...

. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

... Programme . ... Presenter: Felix Aharonian (DIAS/Dublin and MPIK/Heidelberg) . Abstract: Recently the HESS collaboration announced the discovery of very high energy -rays from the nearby radiogalaxy Centaurus A. I will describe the results obtained with the HESS array of imaging atmospheric Cherenkov telescopes located in Namibia, and discuss different possible scenarios and sites of -ray production. go back . CSIRO 2009 Legal Notice / Privacy Statement Last modified: 15/11/2010 ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

Application of IVOA software tools for radio sources investigation Zhelenkova O., Kopylov A., Chernenkov V. The interrelationship between the objects of astronomical catalogs in the different ranges of electromagnetic spectrum and their association into the real astrophysical source has obvious scientific interest. ... We used NVSS as the reference coordinate catalog. ... For 60% of radio sources identified with the objects of the radio catalogs we discovered optical candidates in SDSS survey. ...

Paolo Padovani , II Universit di Roma , Paolo Giommi , ASI, SDC and Fabrizio Fiore, ASI, SDC and Osservatorio Astronomico di Roma . Original Version: MNRAS, (1997), 284, 569 . Text copyright (c) 1997. ... We study the X-ray spectra of 114 flat-spectrum radio quasars (FSRQ) using the hardness ratios as given in the WGA catalogue of ROSAT sources. ... We find that FSRQ have a distribution of energy spectral indices ranging between 0 and 3 with a mean value alpha_x ~ 1. ... Figure 1 (13kb) . ...

... It is found that the correlation coefficients between these two parameters calculated separately inside and outside the sunspot formation zone ±30 have cyclic variation and occur in anti-phase. This suggests different mechanisms of formation of the corona in the fields of small, medium, and large scales. ... The relationship between the coronal green line brightness (CGLB) and the magnetic field strength (MFS) has been investigated by constructing the corresponding synoptic maps for the 1977-2001. ...