... Credit: Data - Hubble Legacy Archive , ESA , NASA ; Processing - Al Kelly Explanation: Active galaxy NGC 1275 is the central, dominant member of the large and relatively nearby Perseus Cluster of Galaxies . Wild-looking at visible wavelengths, the active galaxy is also a prodigious source of x-rays and radio emission. ... Publications with keywords: NGC 1275 - Perseus A - Perseus cluster - active galaxy - magnetic field - X-ray - radio emission - multiwavelength - HST . ...

... The highest redshift X-ray jet discovered . by Chandra in GB 1428+4217 at z = 4.72 . X-ray jet discovered by Chandra . ... Science Papers on ADS . ... Chandra Press Release . The paper describing the details nas been published in ApJ and it is available also on astro-ph Feb. ... The jet paper published in ApJ Letters is available on astro-ph Oct. ... ApJ Letters paper available on astro-ph: Paper 2003 Feb. ... ApJ papers available on astro-ph: Paper 1, 2002 and Paper 2, 2007 . ...

The Arcetri Spectral Code for thin plasmas . E.Landi M.Landini 1998, A , 133, 1 . CHIANTI - an atomic database for emission lines. ... E.Landi, M.Landini K.P.Dere, P.R.Young, H.E.Mason, 1999, A , in press . ... E.Landi M.Landini, 1998, A , 340, 265 . ... E.Landi, G.Del Zanna, E.R.Breeveld, M.Landini, B.J.I.Bromage, C.D.Pike, 1998, A , in press . ... M.Landini, A.Brkovic, E.Landi, I.Ruedi, S.Solanki, 1998, Sp.Sci.Rev., in press . ... E.Landi, H.E.Mason, M.Landini, 1998, Sp.Sci.Rev., in press . ...

... 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. ...

... Telescopes . ... The time requests are accepted in an electronic version with on-line form in Russian or English. ... Unregistered request will be disregarded by the Large Telescopes Programm Committee. In exclusive cases the secreatry of the Committee is entitled to accept an observational time request given permission of the Chairman of the Committee or the director of the SAO RAS. The Program Committee considers generally one time request submitted by the principal applicant. ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

Dear Colleagues, As you know, JENAM-2007 will take place in Yerevan, Armenia. ... JENAM-2007 will consist of 6 Plenary sessions (invited reviews on hot topics of modern astrophysics, 8 EAS Symposia, and 7 Special Sessions (SPS). ... The opening and closing sessions, EAS symposia and special sessions will be organized in the conference halls and auditoria of the Yerevan State University (YSU). ... The proceedings of the JENAM-2007 will be published in the EAS proceedings series in 2008. ...

... A Web browser with Java support and an account to establish a secure Internet HTTP connection to the Goddard Space Flight Center (GSFC), is everything needed in order to use the new Control Center System (CCS). Then full access to the telemetry of the Hubble Space Telescope (HST) is given (Figure 2). A public version of CCS is also available. ... Rifkin, A. 1997, Reengineering the Hubble Space Telescope Control Center System, Institute of Electrical and Electronics Engineers Inc. ...

... Armagh Planetarium . ... Universe . ... Posted on October 1, 2010 | ... Before the modern era of technological astronomy, to know anything [ ] . Continue Reading.. ... 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

Figure 10. The circles show the thermal defocus corrections that were observed on August 15, 2000. These data were derived by combining the defocus measurements seen in Figure 6 with the thermal measurements of the truss seen in Figure 7. ... I then fit the thermal defocus data given by the circles above using only the thermal time constant and an arbitrary "zero-point" constant as fit parameters. ... M1 corresponds to a thermal time constant of 0.37 hours (22 minutes) for the rods. ...

... August Solar Eclipse Report: Thursday 11 September 2008 . ... Dr Fosbury is head of the section in the European Space Agency (ESA) as part of ESA's collaboration with NASA on the Hubble Space Telescope (HST) project at ST-ECF . ... The lecture is entitled "Astronomy today and the role played by the Hubble Space Telescope". ... Tuesday, 16 September 2008 00:44 . International Year of Astronomy, Ireland National Node . ...

. Authors: A.A. Suchkov , V.A. Marakov . Journal: Pis'ma Astron. Zh., 1976, v.2, p.38-385. Metallisity function of globular clusters in the Galaxy is constructed. It is found to have three "humps". This leads to a conclusion that there were three metal enrichment outbursts during the period of globular cluster formation. The constraints on the nature of metal sourses and on the early evolution of Galaxy are considered.

... 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 . ...

APRIL, 1999 . ... MAY,1999 . ... JUNE, 1999 . ... JULY, 1999 . ... AUGUST, 1999 . ... Solar Eclipse 09:23:43 - 10:42:35 UT . SEPTEMBER,1999 . ... Head of homepage . Data archive . ...

... Exoplanet Atmosphere and TTV Science , K. Collins at NASA Goddard, August 2011 . ... MAGPI , April 14, 2011 . The Southern Skies Digital Science Partnership , B. Carter, C. Brown, R. Hart, D. Foster, J. Kielkopf, and R. Moore (Astronomical Society of Australia, July 2007) . ... Kent Observatory , B. Carter, C. Brown, R. Duncan, D. Foster, R. Hart, J. Kielkopf, P. Martin, M. Mengel, R. Moore, S. Sinclair, K. Treschman, and I. Waite (Astronomical Society of Australia, July 2006) . ...

... The wavelet transform, time-frequency localization and signal analysis. ... IEEE Trans. on Signal Processing , 40(7):1746-1757, July 1992. ... Time-frequency window leakage in the short-time fourier transform. ... A generalised wavelet transform for Fourier analysis: the multiresolution Fourier transform and its application to image and audio signal analysis. ... IEEE. ... Signal-dependent time-frequency analysis using a radially gaussian kernel. signal processing , 32(3):263-284, June 1993. ...

Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

... Basic Research results General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication of data Possibilities of observing the structure and dynamics of microwave activity SSRT - Research results . ...

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