... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...

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... We have simulated the observations of a very distant cluster of galaxies at high redshift. ... The simulations are made for the HST instruments FOC, WFPC II, and the Advanced Camera, and for an 8-m telescope on the ground equipped with adaptive optics. ... A comparison of the fields of view of post-COSTAR HST imaging instruments with the Advanced Camera (AC) and the ground-based adaptive optics camera (AO) is shown in Fig. 1 superimposed on the noise-free cluster simulation. ...

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• Science Aided by Deconvolution
• Dr. Adam Riess - Dark Energy
• Dr. Gilbert's Outreach Activities

... In the late 70s, high speed (several hundreds km/s) plasma flow events were found in the plasma sheet boundary layer, PSBL (e.g., Lui et al., ... Angelopoulos, V., Baumjohann, W., C. F. Kennel, F. V. Coroniti, M. G. Kivelson, R. Pellat, R. J. Walker, H. L hr, and G. Paschmann, Bursty bulk flows in the inner central plasma sheet, J. Geophys. Res. ... Baumjohann, W., G. Paschmann, and H. L hr, Characteristics of high-speed ion flows in the plasma sheet, J. Geophys. ... Lui et al, J. Geophys. ...

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• Dayside aurora [Oulu]
• TCV [Oulu]
• Solar Energetic Particles

e-mail: podgorny@inasan.ru . Institute of Astronomy RAS . ... Spectrum of solar flare protons // Journ. ... The active region magnetic flux correlation with flare appearance. ... Podgorny A. I., Podgorny I. M. Solar Flare Numerical Magnetohydrodynamic Simulation and Solar Flare Model. ... Podgorny A. I., Podgorny I. M. MHD simulation of magnetic field configuration above the active region NOAA. ... Podgorny I. М., Podgorny A. I. The active region magnetic field association with solar flares. ...

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... Magnetic Storms . ... Cosmic Rays . ... Energetic Particles . ... Solar fast Particles . We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. ... Should we be concerned about solar energetic radiation? ...

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• Plasma
• FAQ: "The Great Magnet, the Earth"
• Space Weather

... The Russian TESIS/ CORONAS-PHOTON Solar Observatory, which has been working in orbit since January 30th, 2009, has photographed one of the most important events in the build up to the upcoming solar cycle - the formation of our star's new southern belt of activity. The first magnetic fields of the new cycle in the southern hemisphere appeared on the Sun's surface on May 23-24th. ... The belt of activity is one of the primary concepts, characterizing the solar cycle. ...

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• Project's diary
• Space weather forecast September 24, 2015
• Space weather forecast March 14, 2015

... Since founding of the Olympiad] The Olympiad participants are not supposed to study at any institutions of higher education (university or school which can be considered technical colleges). ... Note: Exception may be done for the second time participating in IAOs students not older than 14.00 years on January 1st of the year of the Olympiad (i.e. born after January 01, 1999). ... Team of region, city, town: . ... of the XVIII International Astronomy Olympiad (2013), . ...

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• X International Astronomy Olympiad: Important Notes for interested participants
• XIX International Astronomy Olympiad: Important Notes for interested
• XIV International Astronomy Olympiad: Important Notes for interested

... Science . ... Contact . Site Map . ... Science Users Information > ESO Staff and Contact Information > Important ESO Sites Contact Addresses . ... ALMA . ... ESO-MIDAS . ... ESO Science Newsletter . ... Travel Info . ... Travel info . ... The ESO offices in Chile are located in the Vitacura district in Santiago, hosting astronomers, technicians and administrative staff. ... The ESO Guesthouse is the official lodge for visiting astronomers and ESO staff travelling between Europe and ESO sites. ...

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• ESO - Thesis Topic: The role of magnetic fields in the intermediate-mass star
• ESO - Why is Technology Transfer important for ESO
• ESO - Thesis Topic: The binary central stars of planetary nebulae

. 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.

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• General Information
• Workshop on Precision Physics and Fundamental Physical Constants
• Extended time series of Solar Activity Indices

... 2011 April 7 . Planetary Nebula NGC 2438 . ... Explanation: NGC 2438 is a planetary nebula , the gaseous shroud cast off by a dying sunlike star billions of years old whose central reservoir of hydrogen fuel has been exhausted. ... Remarkably, NGC 2438 also seems to lie on the outskirts of bright, relatively young open star cluster M46 . But this planetary nebula's central star is not only much older than the stars of M46, it moves through space at a different speed than the cluster stars. ...

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• SAI Supernova catalog
• APOD: 2009 January 4 - Breaking Distant Light
• APOD: 2007 July 9 - The Most Distant Sun

In two previous papers we investigated in detail the formation of Hydrogen lines in high pressure dMe stellar chromospheres, constraining the possible structures over a two orders of magnitude pressure range. ... We found that when decreasing the transitoin region presure (i.e. the chromospheric temperature gradient), the Balmer lines change rapidly from emission to strong absorption, then the profiles weaken and become narrower until they disappear totally (zero H$_{\alpha}$ stars). ...

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• Important parts of the kernel
• Research Activity and Funding Trends
• J.G. Doyle, Research Astronomer

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... 55 years since Yuri Gagarin's flight . ... Experiments and Researches from 2013 . ... Sea Launch . ... Anniversaries . ... Important Anniversaries of the Corporation . ... November 15, 2013 - 25 years since the launch of reusable transportation space system "Energia-Buran". ... April 28, 2013 - 5 years since the first launch under Land Launch Program from Baikonur Cosmodrome. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• S.P Korolev Rocket and Space Corporation "Energia"
• S.P. Korolev RSC Energia - International Space Station

... Integrated superconducting submm receivers and spectrometers. ... Development, study and optimization of the superconducting phase locked Local Oscillator for integrated spectrometer. ... Superconducting Integrated Submm Spectrometer for Laboratory Applications. ... Development, study and optimization of the superconducting phase locked Local Oscillator . ... The objective is to develop and study a superconducting Local Oscillator (LO) for an integrated submm spectrometer . ...

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• Project 4 - RFBR - Stepantsov, Determination of the space anisotropy of order
• Lab234 - Technology for fabrication of superconducting integrated circuits
• Lab234 - Research Activities

Progress is being made in many areas of SKA research and development within ATNF. Important milestones have been reached recently in the progress towards a New Technology Demonstrator telescope, and in the area of SKA siting studies. ... Australian scientists and engineers have been continuing development of SKA technology concepts as funded by the Australian government through the Australian Astronomy Major New Research Facilities Program. ... The technology objectives of the NTD are: . ...

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• ATNF Daily Astronomy Picture
• Neutral Hydrogen Absorption Measurements of Four Distant Pulsars and the
• Minnesota Lecture

... Star formation . ... Deep X-ray and IR study of the distant X-ray cluster XDCP J0044.0-2033 (Il Gioiello) at z=1.6 . ... The high redshift cluster XDCP0044 (z=1.6) was discovered in 2011 in the framework of the XMM Distant Cluster Project ( Santos et al. ... These results are published in тАЬ Chandra Deep Observation of XDCP J0044.0-2033, a Massive Galaxy Cluster at z > 1.5 тАЭ , by P. Tozzi et al. ... The cluster is officially known as XDCP J0044.0-2033. ...

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• research field
• Arcetri Solar Physics Group: Solar Activity
• Davidians Administrator Authentication

... Might this distant planet hold water? Actually, given how close Gliese 1214b is to its parent star, any water, if it exists, would surely be in the form of steam. ... It is one of the most important stars in the sky. This is partly because, by coincidence, it is surrounded by a dazzling reflection nebula. ... Roll Cloud Over Wisconsin . ... What kind of cloud is this? ... Will this caterpillar-shaped interstellar cloud one day evolve into a butterfly-shaped nebula? ... Fire on Earth . ...

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Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 05 - 11.03.2012, Forecast on 12 - 19.03.2012, Carrington Rotations 2121 (04,62.03.2012) SOLAR SUNSPOT ACTIVITY OF THE LAST PERIOD WAS ON AVERAGE LEVEL. ... IMPORTANT OF FLARE ACTIVITY STARTED MARCH, 4th AND TO 11.03 IN CAR OCCUREN- CED X-RAY CLASS X - 3, CLASS M - 12 FLARES, 5 OF WHICH ARE LARGE. ... Class E(1-8A) AR RII/IV CME X/opt. ... NEXT WEEK MARCH, 12 IN ENVIRONMENT WILL COME THE DISTURBANCE FROM LARGE SOLAR FLARE OF MARCH 10. ...

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• http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20121008.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2013/obzor20131111.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150323.en.txt

Next: A Gravimagnetic Rotator Up: No Title Previous: Special Cases: Supernova Explosion . One of the most important achievements in astrophysics during the period 1968-1970 was the realization that in addition to ``ordinary'' stars which derive their energy from nuclear reactions, there are objects in the Universe whose radiation is caused by a strong gravitational and magnetic field. ... Evolution of Magnetic Rotators . ... Evolution of Magnetic Rotators in Non-circular Orbits . ...

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• Cosmion-2001
• Mixing types of E-P-A binary systems with non-zero orbital eccentricity
• Initial Distributions of Binary Parameters

... Team makes first direct measurement of distant galaxy's magnetic field . ... Using a powerful radio telescope to peer into the early universe, a team of California astronomers has obtained the first direct measurement of a nascent galaxy's magnetic field as it appeared 6.5 billion years ago. ... Until recently, astronomers knew very little about magnetic fields outside our own galaxy, having directly measured the magnetic field in only one nearby galaxy. ... Magnetic fields stronger than expected . ...

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• How often do giant black holes become hyperactive? | Astronomy.com
• Earth's laws still apply in distant universe | Astronomy.com
• Why can the Hubble Space Telescope see distant galaxies but not exoplanets? |

... Minute Values of Geomagnetic Field Components . ... AA 1868 - Present (3 hourly and daily) (monthly) (yearly) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) KP_AP 1932 - Present (3 hourly and daily) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) AE_HV 1957-75, 78-88 (hourly) AE_MIN 1978-881-6;198903;1990-94 (minute) DST 1957 - Present (hourly) PC 1975 - Present (15-minute) AMANAS 1959 - Present (3 hourly and daily) KMKNKS 1983 - Present (3 hourly) . ...

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