... 2010 May 20 . M87: Elliptical Galaxy with Jet . ... But elliptical galaxies seem to be simpler. ... Centered in this telescopic view and over 120,000 light-years in diameter, larger than our own Milky Way, elliptical galaxy M87 (NGC 4486) is the dominant galaxy of the Virgo Galaxy Cluster . Some 50 million light-years away, M87 is likely home to a supermassive black hole responsible for a high-energy jet of particles emerging from the giant galaxy's central region. ... About APOD | ...

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• APOD: 2008 April 25 - M86 in the Virgo Cluster
• APOD: 2001 October 24 - The Matter of Galaxy Clusters
• APOD: October 8, 1999 - NGC 1365: Barred Spiral Galaxy

... Separated by about a degree on the sky, two nice examples are M46 (upper left) 5,400 light-years in the distance and M47 (lower right) only 1,600 light-years away toward the nautical constellation Puppis . Around 300 million years young M46 contains a few hundred stars in a region about 30 light-years across. ... The small, colorful patch of glowing gas in M46 is actually the planetary nebula NGC 2438 - the final phase in the life of a sun-like star billions of years old. ... NGC 602 and Beyond . ...

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• NGC 1365: Barred Spiral Galaxy
• Star Clusters Young and Old
• XWare > APOD

... NASA's Hubble Space Telescope offers a stunning unprecedented close-up view of a turbulent firestorm of starbirth along a nearly edge-on dust disk girdling Centaurus A, the nearest active galaxy to Earth. A ground-based telescopic view (upper left insert) shows that the dust lane girdles the entire elliptical galaxy. This lane has long been considered the dust remnant of a smaller spiral galaxy that merged with the large elliptical galaxy. ...

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• Hubble Reveals Stellar Fireworks Accompanying Galaxy Collision PRC97-34a
• Cannibal Stars Cause Giant Explosions in Fornax Cluster Galaxy (ESO Press
• STScI- PRC99-10: Hubble's Infrared Galaxy Gallery

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... Although they look tranquil here, observed up close such young stars would seethe and glare violently. ... Once thought to be a satellite of our own galaxy, increasingly the Small Magellanic Cloud is believed to be an interloper from the intergalactic void which has wandered into its present location and will eventually recede away into the darkness. ... Your email address will not be published. ...

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• A Summer Night?s Stargazing | Astronotes
• Omega Centauri: globular cluster of 300,000 stars | Astronotes
• A Spectacular View of the Lagoon Nebula | Astronotes

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• GSAOI Super Star Clusters Science Page
• Dougal Mackey - Research
• Julie Banfield | Astronomer

This site provides on-line access to publications, figures, and data tables related to an extensive multi-wavelength observational program to study distant galaxy clusters. ... Lori Lubin, Bev Oke, and Marc Postman have been studying a sample of 9 distant clusters (some taken from the PDCS) using the Keck 10m telescope, the HST, and the KPNO 4m (for IR imaging). ... A Study of Nine High-Redshift Clusters of Galaxies: I. The Survey, . ... A Study of Nine High-Redshift Clusters of Galaxies: II. ...

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• Swara's Publications
• Dust Production and Mass Loss in the Galactic Globular Cluster NGC 362
• Optical Long-Slit Spectroscopy of a Sample of Spiral Galaxies

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...

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• ASP: Big Clusters, Tiny Galaxies
• ASP: Sharing the Universe
• ASP: Lapping up the Milky Way

... 87.1083Owen+ VIII/29 1400-MHz Survey of 1478 Abell Clusters of Galaxies (Owen+ 1982) ================================================================================ A 1400-MHz Survey of 1478 Abell Clusters of Galaxies Owen F.N., White R.A., Hilldrup K.C., Hanisch R.J. =1982AJ.. ... 0,] Major axis error 70- 71 A2 --- n_MajAxi *[ A, B, C,NR, ] Major axis note 73- 74 I2 arcmin MinAxi *? ... Note on dist-C: Ratio of the distance of the source from the cluster center to the corrected Abell cluster...

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• "Structure" publications in 2005 year
• A 20 cm VLA survey of Abell clusters of galaxies
• A VLA Survey of Rich Clusters of Galaxies I.

The divisity of galaxies. The galaxies are the giant (to hundred of billions of stars) star systems, where the stars are connected by gravitation laws with each other. ... Ther galaxy NGC 3031 . ... Each spiral galaxy has a core a flat disk where the spiral brancher locate. The stars and interstellar substance of spiral galaxies rotate around the core. ... In normal galaxies, such as our Galaxy, the great brightness of the core is accounted for the high concentration of stars. ...

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Large-scale neutral hydrogen distribution and mean velocity field of the Circinus galaxy taken with various arrays of the ATCA. Jones, K.L., Koribalski, B.S. , Elmouttie, M., Haynes R.F. 1999, MNRAS 302, 649 . ... Gas and star formation in the Circinus galaxy . ... The large-scale atomic and molecular gas in the Circinus Galaxy . ... DSS optical image of the Circinus galaxy . ... Left: ESO composite image of the rings and outflow cone of ionized gas in the Circinus galaxy as observed by . ...

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• Neutral Hydrogen Gas in the Circinus Galaxy
• ATNF Daily Astronomy Picture
• A new twist to polar rings

... Galaxies with polar rings (PRGs) are a unique class of extragalactic objects, consisting of a ring or disk of gas, stars and dust orbiting in a plane nearly perpendicular to the disk of a central galaxy. ... At present, there are only about two dozen kinematically confirmed galaxies in this PRG class, mostly from the Whitmore et al. (1990) catalogue, based on photographic images. ... Examples of object from our catalogue SPRC (=SDSS-based Polar Ring Catalogue). ...

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• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• Galaxy sector, archive 2012
• important_en

The composite image at left, taken in visible and near-infrared light, reveals the location of five tiny galaxies clustered together 13.1 billion light-years away. ... The close-up images at right, taken in near-infrared light, show the puny galaxies. The letters "a" through "e" correspond to the galaxies' location in the wide-field view at left. ... Credit: NASA/ESA/M. Trenti (Univ. of Colorado, Boulder, and Institute of Astronomy, Univ. of Cambridge, UK)/L. Bradley (STScI)/the BoRG team ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9A5B5658-6AD3-4C0D-A604-FA6912ED957C%7D
• The two-faced Whirlpool Galaxy | Astronomy.com
• What percent of star systems have orbits in the right orientation for

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

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• Publications
• Papers of Vortex project
• Results scientific researchs 3

. Hercules Cluster of Galaxies . Coma Cluster of Galaxies . HST picture of intermediate redshift cluster . Distant HST Cluster ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• The Galaxy Gallery: Messier Objects
• galaxies, Hubble sequence
• Low Surface Brightness Galaxy Gallery

... Confirmation that a mysterious cloud of hydrogen in the Virgo Cluster is a dark galaxy has been published by a team of astronomers . New evidence from NASA's Hubble Space Telescope and the Westerbork Synthesis Radio Telescope in the Netherlands has been used to rule out all but one of the ideas put forward to explain the existence of VIRGOHI 21, an intergalactic gas cloud 50 million light-years from the Earth. ... Only Dark Matter can account for the existence of such a system. ...

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• VIRGOHI 21
• Searching the Environment around LyAlpha Absorbers
• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution

General Forum Message . Forums: . ... Deep Space Object Galaxy Near M13 . ... Can anyone tell me if there is a DSO (likely a galaxy) near M13? ... The reason it interests me is that I drew a sketch of M13 years and years ago while observing - and that object is one of the handful of 'stars' that I drew. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

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• Dept. for Physics of Stars&Galaxies
• Publications

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740?50 km/s[][1] 600?30 Mly (183?8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

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... Right: cold gas traced by [CII] emission (red) accreting onto a primeval galaxy (green) at z=7.1 ( Maiolino et al. 2015 ) (image credit: ALMA Press Release ) . ... 2010 , Cicone, Maiolino et al. ... 2012 , Cicone, Maiolino et al. ... Right: observed distribution of the average stellar metallicities of passive and star forming galaxies in the local universe, supporting starvation/strangulation as primary quenching mechanism in low/intermediate mass galaxies ( Peng, Maiolino, Cochrane 2015 ). ...

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• A gallery of interacting galaxies Bojan Nikolic web pages (r. 329)
• Astrophysics Group Publications
• Galaxy Evolution: Cosmological evolution of star formation