... 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 2006
• Galaxy sector, archive 2014
• Galaxy sector, archive 2011

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... We use the deep, multi-wavelength spectroscopic and photometric data from the Galaxy and Mass assembly (GAMA) survey to test how many different classes are required to dissect the population of dwarf galaxies in the local (D . ...

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• Telescope Parameters and Search Strategy
• A new twist to polar rings
• projects

... 0.15 PHA . ... IGR J16195-4945 . ... IGR J16207-5129 . ... IGR J16318-4848 . ... IGR J16320-4751 . ... IGR J16418-4532 . ... IGR J16479-4514 . ... IGR J16558-5203 . ... IGR J12349-6434 . ... IGR J15360-5750 . ... IGR J14493-5534 . ... IGR J13107-5551 . ... IGR J12026-5349 . ... IGR J16465-4507 . ... IGR J11305-6256 . ... IGR J11435-6109 . ... IGR J14552-5133 . ... INTEGRAL/IBIS 9-year Galactic Hard X-Ray Survey* , A , Volume 545, id.A27 { NASA ADS | ... 9-year Galactic survey , 2012 . ...

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... CV & PUBLICATIONS | ... Nicholls, DC, Dopita, MA, Sutherland, RS, Jerjen, H, & Kewley, LJ " Metal-poor Dwarf Galaxies in the SIGRID Galaxy Sample. ... Nicholls DC, Jerjen, H, Dopita MA, & Basurah, H. (2014) " Nebular Metallicities in Two Isolated Local Void Dwarf Galaxies ", Astrophysical Journal 780, 88 * . ... Sweet SM, Drinkwater MJ, Meurer G, Bekki K, Dopita MA, Kilborn V, & Nicholls DC, " CHOIRS H I Galaxy Groups: The Metallicity of Dwarf Galaxies" , (2014) Astrophysical Journal , 782, 35 * . ...

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• GSAOI Disk Galaxies Science Page
• GSAOI Dwarf Galaxies Science Page
• Julie Banfield | Astronomer

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
• Cosmological Issues for Theorists

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/personal/malkin/publ/zm12i.pdf
• Pulkovo VLBI Analysis Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Home . ... Astronomy . ... Visitor Center . Contact . ... Galaxy Shop . ... HOME . ...

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• VC-Description National Astronomy and Ionosphere Center (Arecibo Observatory)
• Arecibo Observatory: S-High Receiver
• Arecibo Observatory: S-Low Band Receiver

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

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Modern AstroStatistics has emerged as a new field in recent times, informed by a Bayesian foundation, utilizing powerful computational tools like MCMC, and applied to diverse analysis and inference problems in Astronomy. ... The goal of our Special Session is to review current practices, highlight modern techniques, and explore how the transition into the realm of Big Data Astronomy can be facilitated. ... Big Computing in Astronomy: Perspectives and Challenges . ...

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• Tutorials on AstroStatistics and R
• The AstroStat Slog Blog Archive [ArXiv] SVM and galaxy morphological
• The AstroStat Slog Classification

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Colour image of NGC 5128 galaxy, one of the closest radio galaxies to Earth. We have documented the supernova which occurred in this galaxy earlier this year. Images obtained using the 1 metre telescope at Sutherland Observatory in South Africa, operated by Las Cumbres Observatory. Further description of our work (1) . ... 2016 March 23rd . ... Last Revised: 2015 March 23rd . ...

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• Homepage of "Jorick Vink"
• Armagh Observatory
• William Herschel

This page gives the name and meaning of the various parameters which can be queried in HyperLeda through SQL requests . ... real . ... actual error on t . ... log 10 of apparent major axis diameter d25 at 25 mag.arcsec -2 (d25 in 0.1') . ... actual error on logd25 . ... Apparent maximum rotation velocity of gas . ... log 10 of apparent corrected diameter (dc in 0.1') . ... total apparent corrected B-magnitude . ... total apparent corrected U-B color . ... Questions: leda@univ-lyon1.fr ...

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• Nearby Galaxies Catalogue (NBG)
• HyperLEDA documentation: parameter: celpos
• Documentation: LEDA: parameter: logdc

The starting page - The catalogues page - The list of the PUL2 fields - The list of the Pul-3(Pul-3SE) fields - The list of the PUL_ERS fields . please read short description of the access form controls . ... Relative proper motion in RA *cos(DE), arcsec/yr . ... s. e. relative proper motion in RA *cos(DE), arcsec/yr . ... Number of Pul2 area . ... Check the apropriate checkbox to output these data and radiobutton to select stars within interval. back to the list of the Pul2 fields . ...

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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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• Contacts
• The Laboratory of Astrometry
• Dept. for Physics of Stars&Galaxies

... Science . ... Science Users Information > Science Activities > Science in Garching . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Understanding the diversity and consequences of star and planet formation is a key area of research for ESO. ... Read more and see who is involved in this research area.. Stellar structure and evolution includes the internal structureof stars, the structure and dynamics of stellar atmospheres,as well as stellar winds and mass-loss. ... ESO . ...

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• ESO - Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy
• ESO - Thesis Topic: Testing galaxy formation in high density environments - the
• The Thousand-Ruby Galaxy | ESO

... The spherical aberration affecting the HST primary mirror (Burrows et al. 1992) can seriously alter the core brightness profile of elliptical galaxies. ... In this paper we test the performance of deconvolution in recovering the original surface brightness profile in the case of elliptical galaxies observed with the HST Planetary Camera (PC). ... Keywords: Elliptical Galaxies, Deconvolution . ...

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• Obsolescent Acquisition Parameters
• An Ultraviolet-to-Radio Broadband Spectral Atlas of Nearby Galaxies
• Starburst and Galaxy evolution

... Starting from a grid of theoretical population synthesis models we constructed a set of model galaxies with a distribution of ages, metallicities and intrinsic reddening. ... We propose an optimization technique that combines active learning with an instance-based machine learning algorithm. ... In order to solve the problem more efficiently, we pose it as a learning problem, where a learning algorithm learns the reddening parameters , and with a forward model we compute . ... Let be the test set. ...

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• The SRON-HeaD Data Analysis System
• GIM2D: An IRAF package for the Quantitative Morphology Analysis of Distant
• A Computer-Based Technique for Automatic Description and Classification of

home education > activities . ... Quick math activity that asks students to calculate scale models of a binary star system with a black hole in it. [h] . ... Students use a radiometer and a light bulb with a dimmer switch to make connections between the temperature, color, and radiation output of a star. ... This demonstration, similar to the above, from the Exploratorium Snack-book of science activities, lets students demonstrate how molecules scatter light and change the colors of the beam. [m,h] . ...

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• ASP: Big Clusters, Tiny Galaxies
• ASP: Cover Story: When Galaxies Collide
• ASP: Science Fiction Stories with Good Astronomy & Physics

... Customer Service . Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Contact Us . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,

... 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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• Methods and results of radio cosmology. Plan.
• Radio galaxies
• Lectures

... A homogeneous chemical analysis of the inner Galactic disk from the first data release of Gaia-ESO . ... Gaia-ESO is a public spectroscopic survey designed with this goal in mind. ... These first results highlight the potential of the Gaia-ESO survey to explore areas of the Milky Way still poorly studied, such as the inner disk, and to give new constraints on Galactic chemical evolution models. ... Map of observed targets of the first data release of the Gaia-ESO Survey. ...

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• SECCO1: an "almost-dark" dwarf galaxy
• A Hubble diagram for Quasars
• Galaxy archaeology over the last 7 billion years