M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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... The 209 candidates were selected from our first and second priority samples introduced in Paper IV. Of 169 first priority candidates, 141 objects appeared in our list as new ones. 28 objects were listed in the NED as galaxies or objects from various catalogs with known redshifts and some of them already had information on emission lines in earlier publications. ... The ``random selected sample'' was created to access the fraction of BCGs in the second priority list and contains 43 objects. ...

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• The Hamburg/SAO Survey for Emission-Line Galaxies
• The random selected sample
• Selection method

DAILY REPORT #1674 PERIOD COVERED: 0000Z (UTC) 07/12/96 - 0000Z (UTC) 07/15/96 Daily Status Report as of 197/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed Five Sets of WF/ PC-2 6253 (Pure Parallel Archive Program) The WF/ PC-2 was used to execute a pure parallel program taking = ultraviolet observations running concurrently with prime science = observations ... The = observations were completed as scheduled, and no problems were reported. ...

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• ST ScI Preprint #1397
• STScI Preprint #1285

... I note that "Z" plays an important role in what the ALFA surveys will look for: . ... low Z . nearby low mass . ... Arecibo . ... ADBS (Arecibo Dual Beam Survey): Rosenberg & Schneider 2002. ... A few sources with unobvious optical counterparts. ... Coverage wins for volume, but if you do a shallow survey you are sampling only the nearby volume at low masses. ... So need artificial test sources to find completeness. ... Total volume within survey in which source could have been detected. ...

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• Arecibo Galaxy Environment Survey (AGES)
• Your NED Search Results

... Science . ... Science Users Information > Science Activities > VLT/VLTI Science Verification > VIMOS . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... VLT/VLTI Science Verification . ... VISTA Science Verification . APEX Science Verification . ... ESO Science Newsletter . ... A VIMOS-IFU Study of Early-Type Galaxies . ... NGC 1427 (03h42m19.4s -35d23m34s) . ... Program to be observed . ...

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• Colours and magnitudes
• Source Classification
• Previously Identified Sources

... About ATNF overview . ... Both are consistent with earlier estimates, computed for the population of optically selected galaxies. This consistency occurs because, although the distribution of optical central surface brightnesses among galaxies is flat, we fail to find a population of galaxies with central surface brightnesses fainter than 24б  B - , even though there is no observational selection against them. Keywords: Galaxies: Luminosity Function, Mass Function; Surveys . ...

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• Localised HI 21-cm absorption towards a double lobed z=0.24 radio galaxy
• Normal galaxies in the XMM-Newton fields: X-rays as a star formation indicator
• Results and Discussion

... Miyauchi-Isobe, N., Nakajima, K., & Maehara, H. 2003, in ASP Conf. ... KUG is a catalog of ultraviolet-excess galaxies which have been detected on two- or three-color Kiso Schmidt plates. ... Figure 1: KUG survey areas. ... 2003). ... Figure 2 shows the KUG objects (red dots), and SDSS DR1 galaxies (blue dots) which are sampled in accordance with the magnitude and color ranges of KUGs. Figure 2: SDSS DR1 galaxies over KUG objects. ... Figure 3: SDSS DR1 galaxies over KUG objects in A0225 area. ...

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• Integrating the HST Guide Star Catalog into the NASA/IPAC Extragalactic
• Spatial Structure of NGC 6822: An Example for Statistical Modeling of
• ADASS 2002 Conference Proceedings

... Galaxies which were observed in the project . Location of vortex centers . Laboratory simulations . ... Vortex structure of NGC 157 . Vortex structure of our Galaxy . ... Line-of-sight velocity fields of gas with high precision and resolution are planned to be obtained for the sample of galaxies with regular spiral structure to reveal systematic deviation from circular rotation and to analyze it on the base of hydrodynamical models, which are in progress. ... Back to Laboratory Home Page. ...

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• Search for distant radio galaxies in SAO
• The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS
• LSFVO: Results

... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...

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• Metagalaxy scientific results 2003
• New Polar Ring Galaxies
• Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology

... Tidal influence on each of the galaxies in our sample is quantified by identifying and measuring the distance to the nearest companion, using a photometric technique with good completeness characteristics. ... Massnormalised starformation rates were derived using galaxy stellar masses estimated from zband luminosities Nearest companions were identified using the algorithm illustrated in Figure 1. ... Some of the lowredshift galaxies in our sample with close companions are illustrated in Figure 3. ...

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• http://www.mrao.cam.ac.uk/~bn204/phd_era/publications/kiel.pdf
• amaze
• The quasar fraction in a sample of giant radio sources

The SCUBA Local Universe Galaxy Survey Dust along the Hubble sequence Catherine Vlahakis University of Bonn Collaborators: Steve Eales (Cardiff University) Loretta Dunne (University of Nottingham) Overview What is SLUGS? Results from the survey Recent work using SLUGS results ­ the FIR-radio relation Introduction: SLUGS SLUGS ­ a submm survey of galaxies in the local Universe ­ at 850m and 450m Survey of ~200 nearby galaxies: 104 60m-selected ("IRS") (Dunne et al. ...

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• Deep Space Objects
• A universal physical relation for quasars
• K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?

... Tonight's Sky . ... The Magazine . ... Observing . ... 50 Weirdest Objects . ... Supernova showered Earth with radioactive debris . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing springtime deep-sky objects with a large telescope . ... near earth objects . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• weirdest objects | Astronomy.com
• 50 Weirdest Objects in the Cosmos | Astronomy.com
• How can the Hubble Space Telescope (HST) take pictures of objects light-years

... The INTEGRAL 20-40 keV AGN Survey and Luminosity Function . ... Monday: X-ray luminosity functions and evolution, Tuesday: AGN correlation functions, LSS, environments . ... Monday: X-ray luminosity functions and evolution . ... This study allows us to constrain the broad band continuum and intrinsic X-ray absorption properties of type-1 AGN and investigate their dependence with X-ray luminosity and redshift. ... Monday: Type I and II AGN, Absorption, XBONGs, Tuesday: Cluster Formation and Evolution...

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• Completeness
• Selected Papers
• HST/FOS Atlas of AGN and Quasars

... In one situation, we can use light from quasars to probe the material between us and them because that light may pass through one or more galaxies or gas clouds on its way to us. The gas inside the galaxies or the intergalactic clouds acts then as a filter, absorbing selected wavelengths from the quasar light. ... Light from a quasar must pass through clouds of gas and even faint galaxies -- each leaving its imprint on the light -- before we receive it here on Earth. ... Gravitational lensing . ...

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• ASP: Mercury Winter 2011
• ASP: More About Deep Space Objects and Cosmic Terms
• ASP: Black Holes: An Introductory Resource List

Shakht N.A., A.A.Afanas'eva, D.L. Gorshanov, E. V.Poliakow (Pulkovo Observatory, Russia): Title: Long-term photographic observations for selected objects of Pulkovo program: measurements and results. Abstract: The selected objects, observed at Pulkovo observatory during long time period have been of intense interest among astronomers, and now they are the most important aims for space investigations. ... Now we believe, that they also are interesting for observation during space mission Gaia. ...

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• Pulkovo Databases
• Pulkovo Database of Observations of Minor Planets and Comets

Next: NICMOS Coronagraphic Surveys-Preliminary Results Up: No Title Previous: STScI NICMOS Software . NICMOS Coronagraphic Surveys-Preliminary Results . ... Observations with NICMOS . ... The Evolution of Stars seen with ISOCAM - the Need for NICMOS and VLT Follow Up. ... Results . ... The Formation and Evolution of LMC Rich Star Clusters: NGC 1818 . ... HST-NICMOS Observations of Galactic Bulges: Red Nuclei in Nearby Galaxies . ... Investigating the Evolution of Quasar Host Galaxies with NICMOS . ...

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• The Structure and Composition of High Redshift Radio Galaxies
• A Color Analysis of NICMOS Parallel Observations
• NICMOS Camera 3 Parallel Imaging Observations: Number Counts, Sizes and Red

... Hoags Object: A Strange Ring Galaxy . ... Credit: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... Hoag's Object spans about 100,000 light years and lies about 600 million light years away toward the constellation of the Snake ( Serpens ). ... The Double Ring Galaxies of Arp 147 from Hubble . ...

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• Астронет > Hoags Object: A Strange Ring Galaxy
• Journal "Peremennye Zvezdy"

... Space Research Institute . Main . ... Main results of the experimental and theoretical research completed in 2010 . ... Moon's topography is shown based on LOLA laser altimeter data, white contour shows a permanently shadowed region and a white rhomb indicates LCROSS spacecraft impact location. ... Ultra deep survey of the sky in hard X-rays, performed by INTEGRAL observatory . INTEGRAL observatory has completed the first and the most sensitive survey of the sky in hard X-ray energy band. ...

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• Main results of the experimental and theoretical research completed in 2009
• Main results of the experimental and theoretical research completed in 2011

... Cross-shaped galaxy ZGC 2315+03 (Fig.1) has been described by Zwicky (1971) as ``post-eruptive or the result of the crossing of a compact galaxy through an edge-on spiral'' . This object was included in the Polar-Ring Catalog (C-71) by Whitmore et al. (1990) as a possible candidate for Polar-Ring Galaxies (PRG). ... One of them is galaxy 'disk' and the other is 'polar-ring'. ... The facts against the polar-ring nature of ZGC 2315+03 can be summarized as follows: . ...

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