Interactions and star formation activity in Wolf-Rayet galaxies ґ Angel R. Lґ ez-Sґ hez1 and Cґ op anc esar Esteban 1 2 2 CSIRO ATNF, Australia Angel.Lopez-Sanchez@csiro.au Instituto de Astrofґ isica de Canarias, Spain, cel@iac.es We present some global results of the PhD Thesis carried out by Lґ ezop Sґ hez (2006), in which a detailed morphological, photometrical and spectrosanc copical analysis of a sample of 20 Wolf-Rayet (WR) galaxies was realized. ...

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• Peculiar Gas Dynamics in the Starburst Galaxy NGC 253
• Nearby Galaxies
• giant_radio_galaxies

... A correlation between metal abundance and orbital elements (the eccentricity and angular momentum) has been found for three semples of disk stars of our Galaxy with abundance derived from detailed analysis. The correlation indicates that metal abundance in the Galaxy kept increasing after the birth of old disk stars and that the Galaxy kept collapsing during the formation of its disk subsystems. ...

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• RR LYRAE VARIABLES SUBSYSTEMS IN THE GALAXY, figures

... Spiral Galaxy NGC 3370 from Hubble . ... Is this what our own Milky Way Galaxy looks like from far away? Similar in size and grand design to our home Galaxy (although without the central bar), spiral galaxy NGC 3370 lies about 100 million light-years away toward the constellation of the Lion (Leo). ... The structure seen in the region of NGC 1999 in the Great Orion Molecular Cloud complex is one of the more mysterious structures yet found on the sky. ... Jupiter's Clouds from New Horizons . ...

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• Dark Matter Ring Modeled around Galaxy Cluster CL0024 17
• Астронет > Dark Matter Ring Modeled around Galaxy Cluster CL0024 17
• M101: The Pinwheel Galaxy

... Editor's choices for the most educational Astronomy Pictures of the Day about spiral galaxies: . APOD: 2003 March 10 - M101: The Pinwheel Galaxy . Explanation: Why do many galaxies appear as spirals ? ... One result is that M101 , also called the Pinwheel Galaxy , has several extremely bright star-forming regions (called HII regions ) spread across its spiral arms. ... APOD: 2003 April 13 - NGC 1365: A Nearby Barred Spiral Galaxy . ... NGC 1365 is a member of the Fornax Cluster of Galaxies . ...

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• APOD: 2009 April 14 - M101: The Pinwheel Galaxy
• APOD: August 5, 1997 - M101: The Pinwheel Galaxy
• APOD: 2002 June 20 - Bright Galaxy M81

... Pustilnik S.A. - Ugryumov A.V. Two new blue compact (or HII) galaxies HS 1013+3809 and HS 1442+4250 were discovered in course of the Hamburg/SAO survey for emission-line galaxies. Both these very metal-deficient galaxies (log(O/H)+12.0 = 7.58 for HS 1013+3809 and 7.68 for HS 1442+4250) are comparatively bright and very nearby, and thus are good laboratories for detailed study of star formation bursts and related processes in very low metallicity environment. ...

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• Results and Discussion
• Emission-line galaxies
• The very metal-poor local dwarf galaxies

... What are their star formation histories? How does this relate to galaxy populations at higher redshift? What, if anything, do we know about the star formation histories of galaxies at high-z? Do low mass and high mass galaxies evolve differently? Can we find a population of galaxies at low redshift which might correspond to a higher redshift population, i.e. the faint blue galaxies? ... What roles do bursts of star formation have in the evolution of dwarf galaxies? ...

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• Energy Sources of the Far-Infrared Emission of M33
• Our group
• Starburst and Galaxy evolution

... Are HVCs a common feature of star forming galaxies? ... Consider the typical properties of the smallest HVCs (compact HVCs) found in HIPASS: . Distance . HI Mass . ... At 5 kpc . meager objects ~116 solar masses . ... 1.15 x 10 4 solar masses . ... Putman et al. (2003) found none to 10 7 solar masses. 2% of Sculptor to 3 x 10 6 solar masses by de Blok et al. (2001) found none. ... High velocity gas around other galaxies can be identified from maps and dynamics: . ... 2003) . ...

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• Jodrell Multi-beam Virgo Survey
• H I Midplane Poster for the 201st Meeting of the AAS, January, 2003
• Searching the Environment around LyAlpha Absorbers

... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . ... Local Information . ... In order to investigate the cosmological evolution of star-forming galaxies it is essential that we understand the physics which controls the evolution and regulation of star formation in the ISM. ... We use a combined observational and numerical approach to study interacting and merging galaxies in the local Universe. ...

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• Galaxy Evolution: Cosmological evolution of star formation
• Galaxy Evolution: EVN Deadline
• Research

... Contacts . 2012: . ... We refined the fundamental parameters of the components, the orbital periods, and the conditions of photospheric heating of the secondary component by the ultraviolet radiation of the hot component. ... The observations of the star clusters associated with ultra-luminous x-ray sources (ULXs) in four galaxies on the 6-meter and VLT telescopes have shown that all the ULXs are located within 200pc of very young star clusters (younger than 5 million years). ... Archive . ...

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• Galaxy sector, archive 2014
• RCJ0311+0507
• Measurement of the dark halo shape in polar ring galaxies

.

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• ESO - Discs in Galaxies
• The Pencil Nebula, a strangely shaped leftover from a vast explosion | ESO
• Detail of Spiral Galaxy NGC 4945

radiative transfer studies in the dawn . of a new generation of observing facilities . ... Het Pand - Ghent - Belgium . Abstract: In the next few years, several observing facilities will allow to study the dust content of spiral galaxies with unprecedented detail. ... The workshop will explore new perspectives in radiative transfer studies and will lay the foundations of a pan-European collaboration between observers, modellers and theoreticians. ...

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• Ionized outflows in z~2.4 quasar host galaxies
• Hubble Reveals Stellar Fireworks Accompanying Galaxy Collision PRC97-34a
• research field

... 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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Планета Земля и Луна . ... Космическая защита . Луна . Фотографии . ... Строение Луны . ... Страница: Начало одиссеи , Экспедиции , Море Кризисов , "Аполлон-8" , "Аполлон-9" , "Аполлон-10" , "Аполлон - 11" , E-8 "Луноход" , Испытания Л-1 , Луноход - 1,2 , КА "Луна 1-24" , КА "Луна-9" , Луна от КА СССР ; . Луна - наш космический спутник . ... Снимки Луны от аппаратов серии Луна и Зонд (СССР) . Фотографии космических аппаратов серии "Луна" (также Луноходы) и "Зонд" - СССР . ... Зонд 3 . ...

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. Back to A.Zasov's homepage.

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82% of the galaxy s total [O III] luminosity, confirming that J2240 is a quasar ionization echo. The ionized gas cloud has a strong kinematic link to the central AGN and is co-rotating with the main body of the galaxy, suggesting that it may be the remnant of a quasar-driven outflow. ... Detailed 3D spectroscopic analysis of other GB galaxies will provide further insight into the evolutionary history of this unique class of objects. ...

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• http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt
• RSAA Honours Courses (2006)
• GSAOI Disk Galaxies Science Page

... In this paper we present the results of detailed B, V, R, I, and H study of the isolated nearby blue compact dwarf (BCD) galaxy NGC6789. Judging from the literature the observed galaxy has not been resolved into stars up to now. ... The distance of the galaxy, estimated from the tip of the red giant branch (TRGB) is 2.1 Mpc which places NGC6789 close to the Local Group. ... Key words: nearby galaxies: dwarf galaxies (NGC 6789): distance moduli: star content . ... Distance. ...

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• Vladimir P. Reshetnikov's Home Page
• List of publications

... 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
• About laboratory
• My publications

... GIVE A GIFT . ... Tonight's Sky . ... Tour the Deep Sky . ... Imaging Basics . ... Observing springtime deep-sky objects with a large telescope . ... Dave's Universe . ... The Very Large Array gives deep, detailed image of distant universe . ... About 2,000 discrete objects are identified in this VLA image of the distant universe. This entire image constitutes only about one-millionth of the entire sky. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• First detailed look at a normal galaxy in the early universe | Astronomy.com
• Hidden details revealed in nearby starburst galaxy | Astronomy.com
• Detailed dark matter map yields clues to galaxy cluster growth | Astronomy.com

Decomposition of Galaxy Images and Galaxy Rotation Curves Mosenkov A.V.*^, Savchenko S.S.*, Sotnikova N.Ya.* ... The DECA (DEComposition Analysis) code is designed to investigate images of galaxies in an automatic regime (using the simple 'bulge+disc' model) as well as in manual mode for more detailed images and/or for multicomponent structures. ... The GRCF package was created for performing the galaxies rotation curve decomposition using the models of the bulge, the disc, and the dark halo. ...

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• http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf
• http://www.gao.spb.ru/english/publ-s/viii-rfs/p077.pdf

Astronotes Armagh Planetarium's Stellar Blog! ... Colin Johnston . ... Our Galaxy . ... To locate it, look along the imaginary line between the two end stars on the leading edge of the PloughтАЩs blade (Merak and Dubhe) and Polaris (the North Star), the galaxy M82 (also known as the Cigar Galaxy) along with its companion M81, lies just off this line about a third of the way between the Plough and Polaris. €а€аAs usual, the supernova is far brighter than its home galaxy, appearing as an extra star. ...

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• Galaxy NGC 6744: the Milky Way's Cosmic Twin? | Astronotes
• Cosmic Cuilcagh: a not to be missed out of this world event! | Astronotes
• Christmas is cancelled for Shuttle Discovery | Astronotes