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http://www.astronet.ru/db/xware/apod.html?page=744&d=2016-03.
http://www.astronet.ru/db/xware/apod.html?page=744&d=2016-03.
1. 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. ...
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Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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2. XWare > APOD
... Virgo Cluster Galaxies . ... Pictured are several galaxies of the Virgo Cluster, the closest cluster of galaxies to the Milky Way. ... Blue Jet Lightning . ... These atmospheric discharges occur very high in the Earth's atmosphere - much higher than the familiar form of lightning. ... M104: The Sombrero Galaxy . ... The prominent dust lane and halo of stars and globular clusters give this galaxy its name. ... Low density gas is shown as blue, and high density gas as red. Eagle EGGs in M16 . ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=738&d=2016-01 -- 14.6 Кб -- 13.04.2016
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3. Astronomers recently discovered that Scholz's star passed close to the Sun
... An artificial comet holds secrets to Earths life . ... Astronomers recently discovered that Scholz's star passed close to the Sun 70,000 years ago. Wouldn't its gravity have sent Oort Cloud comets raining into the inner planets? ... COMETS | OORT CLOUD . Based on the number of long-period comets that enter the inner solar system, astronomers estimate there are probably trillions of them in the Oort Cloud. Get instant access to subscriber content on Astronomy.com! ... Discover | ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2015/06/rogue-star -- 63.7 Кб -- 10.04.2016
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4. Seyfert galaxies
... By means of deep optical images obtained at the Special Astrophysical Observatory 6-m telescope it was discovered that some Seyfert galaxies that were earlier considered to be non-interacting objects displayed signatures of elongated tidal envelopes belonging to satellite debris. ... Our results suggest that statistic studies based on popular imaging surveys (for example SDSS) can lead to an underestimation of the fraction of minor mergers among galaxies with active nuclei (AGN). ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2010/SeyfertGal/ -- 3.6 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2010/SeyfertGal/ -- 3.6 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2010/SeyfertGal/ -- 3.6 Кб -- 02.10.2012
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5. APOD: 2000 February 1 - Abell 2218: A Galaxy Cluster Lens
... 2000 February 1 . Abell 2218: A Galaxy Cluster Lens . ... WFPC2 , HST , NASA . ... Almost all of the bright objects in this recently released Hubble Space Telescope image are galaxies in the cluster known as Abell 2218. The cluster is so massive and so compact that its gravity bends and focuses the light from galaxies that lie behind it. ... The cluster of galaxies Abell 2218 is itself about three billion light-years away in the northern constellation Draco . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap000201.html -- 4.5 Кб -- 01.10.2012
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6. Ultra-compact dwarf galaxies
... Ultra-compact dwarf galaxies (UCDs): . ... UCDs are characterised by old stellar populations, are larger, brighter and more massive than the biggest Milky Way globular clusters (GCs), but at the same time significantly more compact than typical dwarf galaxies of comparable luminosity. ... UCDs are remnant nuclei of tidally stripped dwarf galaxies ( Bassino et al. ... UCDs are genuine compact dwarf galaxies formed in the smallest peaks of primordial dark matter fluctuations ( Drinkwater et al. ...
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Ссылки http://www.eso.org/~smieske/ucds.htm -- 10.0 Кб -- 22.12.2011
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7. The NGC 6221 / NGC 6215 Group
... NGC 6221 . NGC 6215 . NGC 6221 is a barred spiral galaxy which is interacting with its brightest neighbour, NGC 6215, and possibly also with two newly discovered low-surface brightness galaxies (see Figure). The galaxy group lies only 10 degrees below the Galactic plane which explains the rather crowded field in the optical. ... Not much is known about NGC 6215, which is classified as a non-barred spiral galaxy of type SAS5 (RC3). ...
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Ссылки http://www.atnf.csiro.au/people/Baerbel.Koribalski/ngc6221/n6221_hi.html -- 4.1 Кб -- 23.12.2007
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8. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Merging.txt
... STScI-PRC99-28 GALAXY COLLISIONS IN DISTANT CLUSTER The group of galaxies -- or "galaxy cluster" -- catalogued as MS1054-03 is 8 billion light-years away, one of the most distant known so far. Although hundreds of galaxies appear in the NASA/ESA Hubble Space Telescope image, a European-led team of astronomers has studied in detail 81 galaxies that certainly belong to the cluster, 13 of which are remnants of recent collisions or pairs of colliding galaxies. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Merging.txt -- 2.4 Кб -- 04.03.2001
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9. HST this week: 203
... Timothy M. Heckman, The Johns Hopkins University . Imaging of Local Lyman Break Galaxy Analogs: New Clues to Galaxy Formation in the Early Universe . Abstract . ... Star formation at large radii in cooling flow brightest cluster galaxies . ... UV Imaging to Determine the Location of Residual Star Formation in Galaxies Recently Arrived on the Red Sequence . ... GO 11175: UV Imaging to Determine the Location of Residual Star Formation in Galaxies Recently Arrived on the Red Sequence . ...
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Ссылки http://www.stsci.edu/~inr/thisweek1/2008/thisweek203.html -- 13.4 Кб -- 21.07.2008
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10. Baby stars of NGC 2841 | Astronotes
... Our Galaxy . ... Stars . ... Space Flight . ... NGC 2841: a spiral galaxy some 46 million light years away. ... It is especially hard to explain this process of star birth in some spiral galaxies. ... Targets include both star clusters and galaxies, and star formation rates seen range from the starburst galaxy M82 (the Cigar Galaxy) which is creating about ten new stars in its core alone every year to the much less fecund star producer NGC 2841. ... Tweets that mention Baby stars of NGC 2841 | ...
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Ссылки http://www.armaghplanet.com/blog/image-of-the-month-baby-stars-of-ngc-2841.html -- 43.3 Кб -- 09.04.2016
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11. Supernova 2002fk in NGC 1309
Supernova 2002fk in NGC 1309 . This page is devoted to information on Supernova 2002fk in NGC 1309 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. ... 2002/09/19.848 . ... JM Llapasset image . ... 13.0 . ... Josep M. Bosch . ... Josep M. Bosch image . ... vsnet-campaign-sn 476 ] SN 2002fk in NGC 1309 . ...
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Ссылки http://www.sai.msu.su/mirrors/isn/sn2002/sn2002fk.html -- 13.5 Кб -- 22.12.2007
[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/sn2002/sn2002fk.html -- 13.5 Кб -- 19.04.2014
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[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/sn2002/sn2002fk.html -- 13.5 Кб -- 19.04.2014
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12. The AstroStat Slog clustering
... Classifying or clustering (or semi supervised learning) spectra is a very challenging problem from collecting statistical-analysis-ready data to reducing the dimensionality without sacrificing complex information in each spectrum. ... Continue reading ?[ ... Category: Algorithms , arXiv , Cross-Cultural , Data Processing , Jargon , Methods , Spectral , Stat | ... Category: Algorithms , arXiv , Astro , Bad AstroStat , Cross-Cultural , Data Processing , Frequentist , Jargon , Methods , Stat | ... ADS ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/clustering/index.html -- 37.7 Кб -- 01.03.2014
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13. http://star.arm.ac.uk/~gar/research/compact.binaries.html
... Compact Binaries . ... Unlike the Sun, most stars in our Galaxy orbit another star: these systems are called binary stars. Generally it takes many years for the two stars to orbit around each other. ... These binaries are interesting for many reasons. One is that they are predicted to emit lots of gravitational waves. ... Over time as gravitational waves are emitted, the time taken for the two stars to orbit one another changes by a small but measurable amount. ...
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Ссылки http://star.arm.ac.uk/~gar/research/compact.binaries.html -- 5.1 Кб -- 25.07.2007
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14. http://www.naic.edu/vscience/schedule/tpfiles/StanimirovictagA2453tp.pdf
... A2453 Date Received: 2008-Oct-29 16:06:26 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Short Astronomy Spectroscopy 2 Hours 1 hour Confirming detection of a newly discovered galaxy in the Zone of Avoidance The undergraduate team from UW-Madison used Arecibo recently to observe several standard galaxies and two newly detected galaxies in the Zone of Avoidance (ZoA), pro ject s2425. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/StanimirovictagA2453tp.pdf -- 47.9 Кб -- 30.10.2008
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15. http://www.mso.anu.edu.au/seminars/abstracts/20150423-1100.html
The environment of a galaxy can play a major role in its evolution. ... Recently there is accumulating evidence that HI-deficient galaxies are also relatively frequent in galaxy groups and that galaxy transformation can already start in the group environment. In this talk I will investigate how the environment influences the HI content of galaxies, and which mechanisms are responsible for the gas deficiency in galaxy groups? ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150423-1100.html -- 4.4 Кб -- 10.04.2016
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16. PPEUC Programme - Cosmic Microwave Background Workshop
... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...
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Ссылки http://www.mrao.cam.ac.uk/ppeuc/proceedings/cmb_prog.html -- 9.9 Кб -- 24.02.1998
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17. Vladimir P. Reshetnikov's Home Page
. 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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Ссылки http://www.astro.spbu.ru/staff/resh/resh.html -- 8.2 Кб -- 05.10.2013
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18. Introduction
Next: Observations and data reduction Up: HS 0822+3542 - a Previous: HS 0822+3542 - a . ... I Zw 18, a BCG with the lowest known oxygen abundance among the galaxies (O/H 1/50 (O/H) , Searle & Sargent [ 1972 ]; Izotov & Thuan [ 1999 ]), has been suggested as a candidate to be a truly-local young galaxy, experiencing its first short SF episode. ... 1998 ]). ... In this paper we describe the data obtained for the third most metal-deficient galaxy, HS 0822+3542 with O/H = 1/36 (O/H) . ... 0822+3542 1 . ...
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Ссылки http://www.sao.ru/precise/Laboratory/Publications/2000/0822_AA_v0/node1.html -- 18.6 Кб -- 11.03.2000
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19. ASP: Big Clusters, Tiny Galaxies
home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/32_03/clusters.html -- 17.5 Кб -- 20.04.2012
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20. GCVS Research Group: Homepage.
. of Lomonosov Moscow State University, . Russia . GCVS Research Group . Catalogues of Variable Stars . Future Prospects of Variable-Star Catalogues . B.V. Kukarkin Centenary Conference: Variable Stars, the Galactic Halo and Galaxy formation (VS-Halo) . What's new . Recent publications . Digitization of Moscow Plate Archive . The "Peremennye Zvezdy" (Variable Stars) journal . Send questions and comments to Olga Durlevich .
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