... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 September 4 . 2dF Sees Waves of Galaxies . Credit: Matthew Colless ( ANU ) et al. , 2dF Galaxy Redshift Survey . ... The 2dF system measures galaxy redshifts , allowing astronomers to estimate distances to some of the millions of galaxies visible, and hence to make a three-dimensional map of the local universe. ... About APOD | ...

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• APOD: 2001 July 25 - Hot Gas Halo Detected Around Galaxy NGC 4631
• APOD: 2010 December 27 - One Million Galaxies
• APOD: 2003 September 17 - The 2MASS Galaxy Sky

Wednesday, June 18 9:30 0:20 9:50 0:20 10:10 0:20 10:30 0:20 10:50 0:20 11:10 Parallel Session I, IKI Conference Hall Cosmology, Recombination, CMB, SZ-effect, Surveys (Chair: E.Churazov) Cosmological Recombination CMB spectral distortions: an unexplored window to early-Universe physics After Planck: The road to observing 17 e-folds of inflation The Planck SZ Galaxy Clusters: a reference sample for cosmology A Sunyaev-Zel'dovich take on cluster radio halos: A new cosmic signpost? ...

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• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN
• INTEGRAL 9-year Galactic Survey

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

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• Informational system "Evolution of RG"
• Radio galaxies

spaceweb@oulu.fi - last update: 20 September 1998, 2020 UT (RR) . Traveling Convection Vortex (TCV) is a name given to a specific type of daytime magnetic impulsive events observed by high-latitude ground-based magnetometer arrays. Since the most likely source for TCVs is the solar wind , they are considered to be important processes in transfering energy from the solar wind into the magnetosphere . ... For example, one AMPTE Lithium release in the solar wind caused a TCV event . ...

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• Auroral arcs [Oulu]
• Black aurora [Oulu]
• Pc5 [Oulu]

... Galaxies rotate and move in clusters as if a tremendous amount of unseen matter is present. But does dark matter exist in the greater universe too -- and if so, where? ... In the above frame from a computer simulation of our universe , a 300 million light-year slice shows dark matter in gray and galaxies as colored circles. ... Publications with keywords: universe - dark matter - 2dF survey - simulation . Publications with words: universe - dark matter - 2dF survey - simulation . ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD
• Àñòðîíåò > Finding Dark Matter

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

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... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

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We present broadband photometry in the optical, near infrared and sub-millimetre, and mid-infrared spectrophotometry of a selection of carbon stars with optically thin envelopes. ... Beside the emission features at 11.3 \mu m due to silicon carbide grains in the circumstellar environment, many of our mid-infrared spectra show an emission feature at 8.6 \mu m. All the observed spectral energy distributions exhibit a very large far-infrared flux excess. ...

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• Strong Gravity in the Vicinity of Supermassive Black Holes - by Eamon Scullion,
• Armagh Observatory
• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009

Supernova 1993J is one of the brighter Sn from the recent past. Announced in IAUC 5731 this supernova was discovered independently by several people. 1993J was found in the magnitued 6.9 galaxy M81 (aka NGC 3031) in UMa. ... SEDS SN1993J web page . ... Images of Supernova 1993J . ... Kohl Observatory image 3/30/93 ( mirror ) . ... ISN Reference image Undated . ... Dr. M. Richmond has 3 papers on his web page decicated to SN 1993J. VSNet has a nice record of the discovery of 1993J . ...

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• Supernova 1998T in NGC 3690
• Supernova 2002cf in NGC 4786
• Supernova 2002bx in IC 2461

FEATURES OF THE HYDROGEN DISTRIBUTION AROUND LUNAR CRATERS PROCLUS AND KEPLER. ... In result of analysis of the data Lawrence and Feldman constructed the hydrogen distribution on the lunar surface [1]. ... However, the authors shown, that EN flux data features may be explained by other element abundance in the lunar soils, namely: Si, Ca, Gadolinium (Gd), Samarium (Sm) and Fe. ... Using of the Feldman's interpretation of the Lunar Prospector data [8], we constructed hydrogen distribution map (Fig.1). ...

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• http://selena.sai.msu.ru/Shev/Publications/ms38/ms084.pdf
• http://selena.sai.msu.ru/Shev/Publications/m44_75_shevchenko_etal.pdf
• http://selena.sai.msu.ru/Rod/Publications/ms40/78_Sitnikov_etal.pdf

... This file table3 82 660 Observed wavelengths, laboratory values and identifications -------------------------------------------------------------------------------- Byte-by-byte Description ... Format Units Label Explanations -------------------------------------------------------------------------------- 1- 3 I3 --- SpOrd Spectrum order 5- 12 F8.3 0.1nm SolLam Wavelength determination of all solar and telluric lines measurable on the ... Note (6): J: Junkes et al., ...

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• Astronomical Catalogues

... Î Äàëåêîé Ãàëàêòèêå . ... Òåïåðü â Äàëåêîé Ãàëàêòèêå âû âñåãäà ìîæåòå óâèäåòü ñâåæèå ôîòîãðàôèè Ñîëíöà. ... Ôîðóì . Ôîðóì "Äàëåêîé Ãàëàêòèêè" - ïðåêðàñíîå ìåñòî äëÿ îáùåíèÿ âñåõ àñòðîíîìîâ. ... Íîâîñòè èç êîñìîñà . ... Ïîäïèñàòüñÿ íà íîâîñòè Äàëåêîé Ãàëàêòèêè Âû ìîæåòå çäåñü: . ... Íîâîñòè èç Äàëåêîé Ãàëàêòèêè - ïîïóëÿðíî îá Àñòðîíîìèè . ... Åñëè âû õîòèòå âûðàçèòü ñâîå ìíåíèå î ñàéòå "Äàëåêàÿ Ãàëàêòèêà", èëè ïðîñòî ïî÷èòàòü ìíåíèÿ äðóãèõ ïîñåòèòåëåé - ïîæàëóéñòà, çàõîäèòå â Ãîñòåâóþ êíèãó . ...

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... The Co­Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut f˜ur Astronomie, University of Vienna, T˜urkenschanzstraúe 17, A­1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl­Schwarzschild Straúe 2, D­85748 Garching, Germany Abstract. ... One may therefore take full advantage of the high resolution FOC images by co­adding them with (high signal­to­noise) ground­ based data. ... References Crane, P. et al. ...

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• The Structure and Composition of High Redshift Radio Galaxies
• The Stellar Population in the NICMOS Parallel Fields
• ST-ECF IRAF package

... Size of the Solar System Compared to our Galaxy . Mentally construct a model of our place in the Milky Way Galaxy and the distribution of stars using your hand and some birdseed. ... Using a strip of paper, construct a quick scale model of the distances between the orbits of the planets, the Asteroid Belt, and Pluto as part of the Kuiper Belt. Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

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• ASP: Beacons in the Gloom
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises
• ASP: Big Clusters, Tiny Galaxies

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• Lecture Series 2011-2012 ? òÀÜA Ray of Light in a Sea of Dark (Matter)òÀÝ ?
• Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York
• Amateur Astronomers Association of New York ? Amateur Astronomers Association

Small Galaxy Groups ASP Conference Series, Vol. ... It is generally accepted that they are related to the nuclear rings formed in barred galaxies at the inner Linblad resonance (ILR), although according to Buta and Crocker (1993), in some cases they were found in non-barred spirals, so in general a presence of large-scale non-axisymmetric gravitational potential is not a rigid condition for the nuclear bar to be formed. Typical length of nuclear bars is 1 - 2 kpc for H 0 = 75km=s=Mpc. ...

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• Division of the Galaxy and Variable Stars
• Trudy GAISH, vol. LXV, 1996, Abstracts in English

... Classes . ... Nebula Class Reference . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getCloseViewFov (const StelCore *core=NULL) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getSelectPriority (const StelCore *core) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ... getJ2000GalacticPos (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

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• Stellarium: SimbadSearcher Class Reference
• Stellarium: StelShortcutMgr Class Reference
• Stellarium: Quasar Class Reference

ASTRONOMICHESKII TSIRKULYAR No.1573, 2010 April 12 1995 2009 . A Comparison of the Latitudinal Variations of the Methane Absorption Bands on Saturn's Disk at Equinoxes 1995 and 2009 Abstract. The observations of Saturn at last equinox 2009 have detected significant differences of the latitudinal variations of the methane absorption from observed at 1995 equinox . ... 1995 . 2008- 2009 , ­ . ... 4 ( 580-880 ) , (.1) , 2008-2009 . ... 2 , 4 725 1995 2009 . ... 1995 2009 15 , 1980 1995 . ...

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• http://comet.sai.msu.ru/~gmr/poster_1.072.pdf
• http://comet.sai.msu.ru/~gmr/prog_e.html

... Main research and development work completed in 2011 and ready for implementation . ... It is found that the 1.8 MeV line is concentrated in the Galactic disk, whereas positron annihilation takes place in the central region of the Galaxy. ... Main research and development work completed in 2010 and ready for implementation . Main research and development work completed in 2009 and ready for implementation . Main research and development work completed in 2008 and ready for implementation ...

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• Main results of the experimental and theoretical research completed in 2010
• Frames of Reference: The Basics
• CYlindrical GAmma-ray Monitor CYGAM -

... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 4­5 Gyr than in the sparse ones. ...

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• http://sn.sai.msu.ru/~sil/preprints/postbr1.pdf
• http://sn.sai.msu.ru/~sil/preprints/203546.ps.gz
• http://sn.sai.msu.ru/~sil/preprints/bul_eng.pdf