... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

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• RCJ0311+0507
• New Polar Ring Galaxies

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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• Low Surface Brightness Galaxy Gallery
• Astronomy Plus CCD Images of Galaxies

Welcome to the Starburst and Galaxy Evolution website.

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• DEEP Keck Survey of Field Galaxies Imaged by HST
• THE KINNEY-CALZETTI SPECTRAL ATLAS OF GALAXIES
• Abstract

... О Далекой Галактике . ... Теперь в Далекой Галактике вы всегда можете увидеть свежие фотографии Солнца. ... Форум . Форум "Далекой Галактики" - прекрасное место для общения всех астрономов. ... Новости из космоса . ... Подписаться на новости Далекой Галактики Вы можете здесь: . ... Новости из Далекой Галактики - популярно об Астрономии . ... Если вы хотите выразить свое мнение о сайте "Далекая Галактика", или просто почитать мнения других посетителей - пожалуйста, заходите в Гостевую книгу . ...

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. Back to A.Zasov's homepage.

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... ROTATION CURVE: When studying spiral galaxies it is invariably found that the stellar rotational velocity in the disk remains constant, or "flat", with increasing distance away from the galactic center. ... The rotation speed of the stars in galaxies is found NOT to decrease with increasing distance from the galactic center (see emission lines in the spectrum), implying that the overall mass distribution of the galaxy is different from the light distribution. ...

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• Emma Kirby - Science
• Host galaxy Investigation Tool for gaMma ray bursts And superNova
• GSAOI Dwarf Galaxies Science Page

The catalogue of internal stellar kinematics of galaxies . HyperLeda home | Documentation | ... The literature has been scanned with the scope of gathering the published measurements of the central velocity dispersion and the maximum rotational velocity. ... The compilation is presented in three parts: (a) the central velocity dispersion catalogue, (b) the maximum rotational velocity catalogue, and (c) the bibliography. (a) The central velocity dispersion catalogue (Table A1) . ... HyperLeda . ...

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• HyperLEDA documentation: parameter: vdis
• Emission-line galaxies
• HyperLEDA documentation: Rotation of the galaxies from gas (a108)

... ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Now, new Australia Telescope observations of the polar ring galaxy NGC 4650a suggest that the dark matter in this galaxy lies in a flattened distribution aligned with the polar ring. ...

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• The Interacting Galaxy Pair NGC 6872 / IC 4970
• The Circinus Galaxy
• The Brightest Galaxies from HIPASS

... ESO Press Photo 19/98 . ... This is a colour photo from the VLT that shows NGC 4650A , a member of the so-called Centaurus chain of galaxies in the southern constellation of that name. ... As it is clear from this high-resolution picture, there are two main components, a lenticular-shaped galaxy (of type S0), surrounded by a knotty extended ring-like distribution of stars, dust and gas , nearly perpendicular to each other. ... This is the caption to ESO PR Photo 19/98 [JPG, 112k] . ...

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• Galaxy Spectra Calibration - 4
• APOD: September 22, 1998 - M61: Virgo Spiral Galaxy
• Cannibal Stars Cause Giant Explosions in Fornax Cluster Galaxy (ESO Press

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• The AstroStat Slog Blog Archive [ArXiv] GRB host galaxies, Aug. 10, 2007
• The AstroStat Slog host galaxy

... We suggest simple method of the selection of distant galaxies based on their radio properties. ... RC0015+0503a , RC0015+0503b , RC0015+0501 , RC0034+0513 , RC0038+0449 , RC0042+0504 . ... RC0105+0501 , RC0110+0500 , RC0117+0503 , RC0126+0502 , RC0133+0459 , RC0135+0450 , RC0137+0539 , RC0143+0505 , RC0152+0453 , RC0154+0459 , RC0159+0448 . ... RC0209+0501b , RC0213+0516 , RC0226+0512 , RC0250+0512 . ... RC0302+0456 , RC0308+0454 , RC0311+0507 , RC0318+0456 , RC0355+0449 . ...

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• Informational system "Evolution of RG"
• astro-ph authors/title/abstract search for 'galaxy environment' all years
• Group for study of galaxies and cosmology, history

Next: Observing the Old-Fashioned Way (Gui-Free Observations) Up: Spectral Line Appendices Previous: OLD Basic Analyz Routines For use with data taken BEFORE March 6, 2000 . This appendix contains example analyz sequences used to look at HI spectra. ... Additionally, if you have not run analyz before, instruction (2) should read: If you have not, instruction (3) should read: . ... 7) redln < rec < n : This first stores the individual ON/OFF - 1 data dumps into registers 100 - 100+ - 1. ...

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• Arecibo Galaxy Environment Survey (AGES)
• Ionization and the Detection of Low HI Mass Galaxies
• New Results Confirm Dark Galaxy Existence

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Probing the central regions of galaxies . ... Observing Facilities . ... Data Handling and Products . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... The advent of near IR spectroscopy in conjunction with adaptive optics on large telescopes allows to observe the central regions of galaxies at unprecedented spatial resolutions. ...

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• ESO - VIMOS Science Verification Programs at Melipal/UT3
• Colours and magnitudes
• The Thousand-Ruby Galaxy | ESO

... 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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• Fabry-Perot Interferometer: Gallery Old
• Laboratory of spectroscopy and photometry of extragalactic objects : Vortex
• Principal scientific results

... A rare type of galaxy known as a Polar Ring , NGC 4650A is composed of an old central group of stars and a young ring of stars rotating farther out. ... Polar Ring Galaxies allow astronomers to estimate the amount of dark matter in galaxies by measuring the rotation rate of the highly extended ring. ... Publications with keywords: ring galaxy - polar ring - dark matter - ring . Publications with words: ring galaxy - polar ring - dark matter - ring . ... Polar Ring Galaxy NGC 660 . ...

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• NGC 1097: Spiral Galaxy with a Central Eye
• Our Galaxy s Central Molecular Zone
• Астронет > NGC 1097: Spiral Galaxy with a Central Eye

... 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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• The Stellar Content and Distance to the Nearby Blue Compact Dwarf Galaxy
• Vladimir P. Reshetnikov's Home Page
• List of publications

... May 10, 1999 . Polar Ring Galaxy NGC 4650A . ... A rare type of galaxy known as a Polar Ring , NGC 4650A is composed of an old central group of stars and a young ring of stars rotating farther out. ... What creates Polar Ring Galaxies is still being researched, but a leading theory is the collision of two distinct galaxies in the distant past. Polar Ring Galaxies allow astronomers to estimate the amount of dark matter in galaxies by measuring the rotation rate of the highly extended ring. ...

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• APOD: 2009 July 27 - NGC 1097: Spiral Galaxy with a Central Eye
• APOD: 2008 November 10 - Our Galaxy's Central Molecular Zone
• APOD Index - Galaxies: Spiral Galaxies

Next: Gravitational waves from supernova Previous: Amplitude Distribution . ... At these frequencies only rapidly rotating NS can generate periodical GW signal (Thorne, 1988[ 191 ]), whereas coalescence   of binary NS and supernova   explosions produce burst-like GW. ... As the closest GW sources are the strongest ones, we will consider Tully's Nearby Galaxy Catalog (Tully, 1988[ 194 ]) comprising 2367 galaxies from a sphere of 50 Mpc in radius. ... Gravitational waves from supernova explosions . ...

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• Structure of the Galaxy
• Artificial Galaxy: Full Matrix of Stages
• Old neutron star distribution in the Galaxy

... The circumnuclear GASEOUS disks are often decoupled from the circumnuclear stellar disks and are even stronger inclined to the outer disk planes; in fact, we have found a considerable `population' of inner polar rings. Inner gas polar rings are found as in spiral galaxies with the massive outer gas disks co-planar to the main symmetry planes (e.g. NGC 2841, Sil'chenko et al. 1997, and NGC 7217, Sil'chenko & Afanasiev 2000) as well in many lenticular galaxies (Fig. ...

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• http://sn.sai.msu.ru/~sil/preprints/postbr2.pdf

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• Main results of the experimental and theoretical research completed in 2010