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1. Effect of sources evolution on
... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate evolution assuming no collapse anisotropy. ... Another way that diverse peculiarities in the - distribution induced by the sources evolution could arise is connected with a possible non-monotonic character of the star formation rate in galaxies. ... 22 ] Figure 56 shows two-dimensional cuts through the parameter space. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node98.html -- 16.9 Кб -- 29.03.1997
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2. Informational system "Evolution of RG"
The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...
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Ссылки http://www.sao.ru/sed/ -- 4.7 Кб -- 15.07.2001
[ Сохраненная копия ] Ссылки http://sed.sao.ru/ -- 4.7 Кб -- 15.07.2001
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[ Сохраненная копия ] Ссылки http://sed.sao.ru/ -- 4.7 Кб -- 15.07.2001
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3. Astronomy HyperText Book: Stellar Evolution
... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...
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Ссылки http://zebu.uoregon.edu/textbook/se.html -- 4.8 Кб -- 16.12.1997
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4. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Despite our knowledge of stellar evolution, star birth remains a mystery. ... The latter two may indicate the envelope mass, M(env) and jet power L(jet), respectively. ... Here is a supplementary diagram showing the evolution of a low mass star with a 3000 year, 90 per cent oscillation in accreting mass superimposed. ... Also available is the evolution of a 0.5 solar mass star (on request). ...
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Ссылки http://star.arm.ac.uk/research/unify.html -- 7.0 Кб -- 30.06.2010
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5. http://www.stsci.edu/stsci/meetings/low-lum-galaxies/smecker.html
Tammy Smecker-Hane 45 min Review of nearby dSphs and the LMC Taft Armandroff 10 min Andromeda I dE - HST photometry of giant/horizontal branches which illustrate the classic second parameter problem Mario Mateo 10 min Leo II dSph - HST deep CMD and the age distribution Discussion 25 min We will open the meeting by reviewing what is currently known about the star formation and chemical evolution histories of the dwarf galaxies in the Local Group. ... Stars began to form early, ~15 Gyr ago. ...
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Ссылки http://www.stsci.edu/stsci/meetings/low-lum-galaxies/smecker.html -- 11.5 Кб -- 08.03.1996
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6. Heat from starbursts influences galaxy evolution | Astronomy.com
... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Heat from starbursts influences galaxy evolution . Energetic periods of star formation known as starbursts affect the gas far from a galaxy s visible edges, altering the distribution of matter and energy in the universe. ... The starburst galaxies within the sample had large amounts of highly ionized gas in their halos, but the galaxies that were not undergoing starbursts did not. ...
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Ссылки http://www.astronomy.com/news/2013/04/heat-from-starbursts-influences-galaxy-evolution -- 68.9 Кб -- 10.04.2016
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7. Vladimir Marsakov Abstracts
... The distributions of orbits eccenttricities and of angular momenta for the halo stars and the old disk population are considered. The distributions have gaps separating the halo from the disk and dividing the halo population into three groups. ... Рассмотрены распределения звезд гало и старого населения диска по величине эксцентриситета орбит и угового момента. Распределения имеют провалы, отделяющие гало от диска и делящие населения гало на три группы. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst5.htm -- 4.6 Кб -- 02.02.2007
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8. The Evolution of Galaxies through the Neutral Hydrogen Window The Evolution of
... The HI - Star Formation Connection . ... Coffee . ... Dark Galaxies and Dark Matter . ... HI in Normal Galaxies . HI and Galaxy Evolution over Cosmic Time . ... How Galaxies Accrete Gas . ... The Billion Galaxy Survey . ... Searches for Dark Galaxies . ... Evidence for Dark Matter in Galaxies . HI in Galaxies: Overview . ... Open Questions in Normal Galaxies . ... Starburst galaxies and BCDs . ... HI Rich Galaxies . ... Open Questions in HI and Galaxy Evolution . HI and Galaxy Evolution . ...
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Ссылки http://www.naic.edu/~astro/hiconference/agenda.shtml -- 6.3 Кб -- 02.10.2012
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9. http://www.arcetri.astro.it/radtran/talks/mpohlen.pdf
... 2005) INT star counts Theory: Origin of outer disk structure Type I: long standing debate about exp. form (but we may have for Type II and Type III) Type II: several models CT: starformation threshold (Kennicutt, 1989; Martin & Kennicutt, 2001; Schaye, 2004) (Elmegreen & Hunter, 2006; Li, Mac Low & Klessen, 2006) OLR: (bar) resonance phenomenon (Debattista et al. 2006) Type III: connection with interactions? star formation? ... Elmegreen & Hunter, 2006) more data is needed to decide on origin! ...
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Ссылки http://www.arcetri.astro.it/radtran/talks/mpohlen.pdf -- 2239.2 Кб -- 06.06.2007
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10. The Milky Way's Gamma-Ray Halo
Astronomy Picture of the Day . The Milky Way's Gamma-Ray Halo . ... Credit: D. Dixon ( UCR ), D. Hartmann ( Clemson ), E. Kolaczyk ( U. Chicago ), NASA Explanation: Our Milky Way galaxy appears to be surrounded by a halo of gamma rays . ... In this false color all-sky image centered on the Milky Way , the brown and green regions indicate brighter, known sources of gamma-rays. ... Publications with keywords: halo - Milky Way - gamma ray . Publications with words: halo - Milky Way - gamma ray . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1997-11-05 -- 14.7 Кб -- 17.08.2003
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11. COALA - Computational Astrophysics Laboratory
Chiaki Kobayashi, Ralph Sutherland How galaxies did form and evolution? - to answer this unsolved problem, we are simulating the formation and evolutionary history of galaxies in the Universe, including star formation, supernovae feedback, and chemical enrichment. Comparing the spacial distribution of elements within galaxies with observations, we will examine fundamental physical processes that drive galaxy formation. ... COALA : Universe Galaxy AGN Star Planet ...
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Ссылки http://www.mso.anu.edu.au/coala/galaxy.html -- 5.9 Кб -- 01.10.2012
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12. Hubble throws light on dark matter | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Universe . Other Galaxies . ... Space Flight . ... The light and the dark: a HST image of galaxies with the distribution of dark matter superimposed (Image credit: NASA, ESA, P. Simon (University of Bonn) and T. Schrabback (Leiden Observatory)) . ... A combination of 575 images from the Hubble Space Telescope and data from ground-based telescopes, the image contains 446 000 galaxies. ...
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Ссылки http://www.armaghplanet.com/blog/hubble-throws-light-on-dark-matter.html -- 41.2 Кб -- 09.04.2016
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13. ATNF Colloquium
ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...
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Ссылки http://www.atnf.csiro.au/news/news.php?action=show_item&item_id=683 -- 28.2 Кб -- 01.03.2014
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14. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Have you ever looked at pictures of Saturn's rings and noticed what look like gaps in the rings? ... Gian Domenico Cassini discovered a large gap in Saturn's rings in 1675. Later, an astronomer named Encke discovered a smaller gap near the edge of the rings. ... It was found long ago that an orbit in the Cassini Division, as the large gap is named, has a period almost exactly one-half that of one of Saturn's moons named Mimas. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/saturnrings.html -- 19.9 Кб -- 09.04.2016
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15. Galaxy Evolution: Cosmological evolution of star formation
... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . The origin and evolution of radio sources . Radio sources and their environments . ... Observations of the local Universe clearly demonstrate that very active star formation phases (starbursts) are often associated with interacting and merging galaxies and that in these systems much of the short wavelength emission is absorbed by dust and re-emitted in the IR. ...
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Ссылки http://www.mrao.cam.ac.uk/~pa/galaxy_evolution/science_SFCosmo.html -- 6.2 Кб -- 25.01.2002
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16. Aims of ChASeM33?
ChASeM33 . The Chandra ACIS Survey of M33 - . ... The major sources of feedback into the ISM are massive OB stars, which inject energy via Lyman continuum photons, stellar winds and, finally, supernova explosions. ... SB interiors are generally more efficient than individual SNRs in converting thermal into kinetic energy of expansion, because radiative losses are smaller in SBs than for the same number of isolated explosions. ... 1) Is the diffuse hot ISM shaped predominantly by SNRs or by SBs? ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/home2.html -- 6.2 Кб -- 01.10.2012
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17. Extragalactic Astronomy
... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...
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Ссылки http://space.univ.kiev.ua/courses/pozagal_astron_e.html -- 6.4 Кб -- 23.02.2005
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18. "Structure" publications in 1996 year
Our publications in 1996 year . Lindner, U.; Einasto, M.; Einasto, J.; Freudling, W.; Fricke, K.; Lipovetsky, V.; Pustilnik, S.; Izotov, Y.; Richter, G. Astronomy and Astrophysics, v.314, p.1-12 (10/1996) . Thuan, Trinh X.; Izotov, Yuri I.; Lipovetsky, Valentin A . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.607 . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.587 . ... Thuan, Trinh Xuan; Izotov, Yu. ...
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Ссылки http://www.sao.ru/precise/Laboratory/Publications/1996_pub.html -- 5.7 Кб -- 28.06.2004
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19. http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201103/sembay-cal-2011.pdf
Does the EPIC detector efficiency change? ... Using bright on-axis sources to test for MOS v pn relative detector efficiency evolution XMM EPIC MOS Wednesday , 20 July 2011 Steve Sembay ( sfs5@star.le.ac.uk ) BOC 29/03/11 Fe55 - after 10 years rate should be known to within ~0.5% Text XMM EPIC MOS Wednesday , 20 July 2011 Steve Sembay ( sfs5@star.le.ac.uk ) BOC 29/03/11 19 ...
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Ссылки http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201103/sembay-cal-2011.pdf -- 1899.7 Кб -- 13.05.2014
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20. ASP: Cosmology: The Origin, Evolution & Ultimate Fate of the Universe
... Dark Energy (Part of the Hubble Discoveries Series): http://hubblesite.org/hubble_discoveries/dark_energy/ (Flash-based multimedia tutorial on the discovery and meaning of dark energy; includes information on the origin and fate of universe) . ... Cosmology Visualizations from the NASA Universe Forum: http://www.cfa.harvard.edu/seuforum/einstein/resources_visual.htm#featcos (A series of computer visualizations of the evolution and structure of the universe, available in a number of formats.) ...
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Ссылки http://www.astrosociety.org/edu/resources/cosmology.html -- 23.8 Кб -- 02.10.2012
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