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1. Measurement of the dark halo shape in polar ring galaxies
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
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2. The Radial Distribution of the Interstellar Medium in Disk Galaxies: Evidence
One possible way for spiral galaxies to internally evolve would be for gas to flow to the center and form stars in a central disk (pseudo-bulge). ... In this paper we present radial profiles of stellar and 8 ЮМm emission from polycyclic aromatic hydrocarbons (PAHs) for 11 spiral galaxies to investigate whether the interstellar medium in these galaxies contains a central concentration above that expected from the exponential disk. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~kgordon/papers/2006ApJ...652.1112R.html -- 5.0 Кб -- 21.01.2016
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3. The Circinus Galaxy
... Circinus is a nearby spiral galaxy only 4 degrees below the Galactic plane. ... Jones et al. (1996, in prep.) and Koribalski Whiteoak (1996) only recently mapped Circinus with several configurations of the ATCA; a few preliminary results are presented here. ... The elongated central disk (length about 5 arcmin) indicates a bar, and the central `hole' is caused by HI absorption against the bright central region of Circinus. ... Figure 3 : Halpha emission from the nuclear region of the Circinus galaxy...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Baerbel.Koribalski/circinus/circ_min.html -- 3.9 Кб -- 28.02.2014
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4. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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5. Old neutron star distribution in the Galaxy
Next: Abstract . Mikhail E. Prokhorov and Konstantin A. Postnov . ... Physics of Neutron Stars'' . ... Abstract . ... Initial conditions . Space and velocity distributions . Space position . Initial velocity . ... Mike E. Prokhorov . ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/old_ns/ -- 3.9 Кб -- 19.08.1996
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6. Some statistical trends and distributions
... Our resulting sample of ELGs presented in Tables 2 and 3 is not artificially biased to any specific type of galaxies. ... Since we are looking for selection of a sample of Case BCGs, it is interesting to examine how the detected BCGs are connected with Case emission-line codes. ... Altogether BCGs comprise about 60 % of all Case ELGs which display emission lines in our spectra, or about 44 % of all Case galaxies with some emission-line code. ... Among those with the code ``w'' about 40 % are BCGs. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Laboratory/Publications/1997/CasePR/node10.html -- 7.4 Кб -- 10.01.1998
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7. 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. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/courses/pozagal_astron_e.html -- 6.4 Кб -- 23.02.2005
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8. Distribution of Supernovae according to their parent galaxies' recession
. Distribution of Supernovae according to their parent galaxies' recession velocity. This graph shows the distribution of SNe according to the recession velocity of their parent galaxies. This graph is kept up to date till SN 2000ek . Along X-axis there are all velocity bands so that you have to read in this way: for example, the band on the graph marked as 2000 takes in all parent galaxies' recession velocities faster than 1000 until 2000 Km/sec.
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snerv.htm -- 2.4 Кб -- 02.02.2012
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9. Dark Matter in Spiral Galaxies
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~jerjen/researchprojects/darkmatter/darkmatter.html -- 7.2 Кб -- 02.10.2012
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10. A Nature of Polar-Ring Candidate Galaxy ZGC 2315+03
... 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: . ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/staff/narka/papers/ZGC2315postan.html -- 11.1 Кб -- 19.11.2010
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11. Далекая Галактика - популярно об астрономии
... 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 . ...
[ Сохраненная копия ]  Ссылки http://fargalaxy.al.ru/ -- 48.9 Кб -- 02.02.2013
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12. Search for distant radio galaxies in SAO
... 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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