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1. APOD: 2008 February 10 - Abell 2218: A Galaxy Cluster Lens
... 2008 February 10 . Abell 2218: A Galaxy Cluster Lens . ... WFPC2 , HST , NASA . Explanation: Gravity can bend light, allowing huge clusters of galaxies to act as telescopes. Almost all of the bright objects in this Hubble Space Telescope image are galaxies in the cluster known as Abell 2218. ... The cluster of galaxies Abell 2218 is itself about three billion light-years away in the northern constellation of the Dragon ( Draco ). ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap080210.html -- 5.7 Кб -- 12.04.2008
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2. NGC 6822: Barnard s Galaxy
... NGC 6822: Barnard s Galaxy . ... 8.02.2013 . ... But small galaxies form stars too, like nearby NGC 6822, also known as Barnard's Galaxy . ... About 7,000 light-years across, the dwarf irregular galaxy is seen to be filled with young blue stars and mottled with the telltale pinkish hydrogen glow of star forming regions in the deep color composite image . ... Publications with keywords: dwarf galaxy . Publications with words: dwarf galaxy . ... Bright Star Regulus near the Leo I Dwarf Galaxy . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1279490 -- 13.9 Кб -- 09.02.2013
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3. NGC4666: Secrets of a Starburst Galaxy | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Starbursts are short-lived events, stars are forming so quickly that the reservoirs of interstellar gas from which stars are coalescing would be used up on a timescale much shorter than the age of the galaxy . ... Strong stellar winds from giant new stars in the starburst region combine with the blasts of supernovae to push a mighty flood of extremely hot gas, a ?superwind? from the galaxy thousands of light years into intergalactic space. ...
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Ссылки http://www.armaghplanet.com/blog/secrets-of-a-starburst-galaxy.html -- 42.5 Кб -- 09.04.2016
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4. The Galaxy Gallery: Messier Objects
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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Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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5. APOD: February 22, 1999 - NGC 1316: After Galaxies Collide
... February 22, 1999 . NGC 1316: After Galaxies Collide . ... WFPC2 , HST , NASA . ... A preliminary inspection indicates that NGC 1316 is an enormous elliptical galaxy that started devouring a smaller spiral galaxy neighbor about 100 million years ago. ... Most elliptical galaxies have more and brighter globular clusters than evident in NGC 1316 . ... One hypothesis therefore holds that these globulars survive from an even earlier galaxy that was subsumed into NGC 1316. ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap990222.html -- 4.9 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/ngc1316_wfpc_big.html -- 4.8 Кб -- 04.03.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/ngc1316_wfpc_big.html -- 4.8 Кб -- 04.03.2001
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6. HST
... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....
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7. Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York
... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
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Ссылки http://www.aaa.org/gallery-2/astrophotography/deep-sky-images-by-joe-dinapoli/ -- 117.7 Кб -- 10.04.2016
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8. 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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9. A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
... 87.1083Owen+ VIII/29 1400-MHz Survey of 1478 Abell Clusters of Galaxies (Owen+ 1982) ================================================================================ A 1400-MHz Survey of 1478 Abell Clusters of Galaxies Owen F.N., White R.A., Hilldrup K.C., Hanisch R.J. =1982AJ.. ... 0,] Major axis error 70- 71 A2 --- n_MajAxi *[ A, B, C,NR, ] Major axis note 73- 74 I2 arcmin MinAxi *? ... Note on dist-C: Ratio of the distance of the source from the cluster center to the corrected Abell cluster...
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Ссылки http://www.sao.ru/cats/doc/CL_Owen82.html -- 9.3 Кб -- 18.03.2015
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10. Amateur Telescope Makers of Boston ATMoB Observing Awards Program
... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/about/observing/awards/index.php -- 14.2 Кб -- 09.04.2016
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11. http://www.mrao.cam.ac.uk/secure/amiday/talks/AMI_Day_Presentation_hogan.pdf
... Current Work Attempting to understand AGN feedback in galaxy clusters AMI Where does AMI fit in? ... Feedback needed to offset cooling and explain the deficit of cold, molecular gas in cluster cores. ... Some already observed with AMI Ideally want to observe many more (~100 150) cooling clusters in this energetically important but often overlooked frequency range. ... If bright at 1.4GHz then observe with AMI Campaign to observe many clusters at higher frequency with GISMO (2mm). ...
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Ссылки http://www.mrao.cam.ac.uk/secure/amiday/talks/AMI_Day_Presentation_hogan.pdf -- 2534.2 Кб -- 04.10.2011
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12. Panning across the bright star cluster Messier 7 | ESO
... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO Acronyms . ... Survey Telescopes . ... Galaxy Clusters . ... Star Clusters . ... Stars@ESO . ... ESO 3.6-metre telescope . ... This video pan sequence gives a close-up view of one of the brightest star clusters in the sky. This image from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESOтАЩs La Silla Observatory in Chile, shows Messier 7, also known as NGC 6475. ... 180.0€аMB . ...
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Ссылки http://www.eso.org/public/videos/eso1406b/ -- 93.6 Кб -- 10.04.2016
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13. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9A5B5658-6AD3-4C0D-A604-FA6912ED957C%7D
... Embedded within this view are 2,753 star clusters. The view is 61,600 light-years across and contains images of 117 million stars in the galaxy's disk. Bottom-Left] An enlargement of the boxed field in the top image reveals myriad stars and numerous open star clusters as bright blue knots. Hubble's bird's-eye view of M31 allowed astronomers to conduct a larger-than-ever sampling of star clusters that are all at the same distance from Earth, 2.5 million light-years. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9A5B5658-6AD3-4C0D-A604-FA6912ED957C%7D -- 6.2 Кб -- 10.04.2016
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14. important_en
... 1) A new bright galaxy of the Local Group VV124 (UGC4879) is found. ... Kopylov A.I., Tikhonov N.A., Fabrika S.N., Drozdovsky I.O., Valeev A.F., MNRAS Lett, V. 387, Issue 1, L45, 2008. ... For systems of galaxies in the regions of the Hercules and Leo superclusters the dwarf-to-giant ratio of galaxies in the r-band is evaluated, and it is found that this ratio increases with increasing X-ray luminosity at log L X > 43.5 erg/s. Kopylova F.G., Kopylov A.I., Ast. ... Kopylova F.G., Kopylov A.I., Ast. ...
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Ссылки http://www.sao.ru/hq/dolly/important_en.html -- 22.4 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/important_en.html -- 22.4 Кб -- 09.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/important_en.html -- 22.4 Кб -- 09.04.2016
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15. http://www.mso.anu.edu.au/seminars/abstracts/20160218-1100.html
The SAMI instrument on the AAT is currently taking integral field spectroscopy of ~3000 nearby galaxies as part of the SAMI Galaxy Survey. This is the largest sample ever across a broad range in both stellar mass and environment (from field galaxies to groups to clusters). Based on ionised gas and stellar kinematics in the SAMI galaxies, I will discuss the relationship between dynamical misalignments and the influence of environment, morphology and timescales on the origin of gas in galaxies. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20160218-1100.html -- 4.7 Кб -- 10.04.2016
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16. Southern SHARC survey
... This paper ( Burke et al. 2003 ) describes the creation of one such catalogue - the Southern Serendipitous High-redshift Archival ROSAT Cluster (SHARC) survey - which covers an area of 17.7 deg 2 and consists of 32 clusters with redshifts between 0.05 and 0.7 and X-ray luminosities between 7 x 10 42 and 4 x 10 44 erg/s: the high-redshift subsample contains 16 clusters with = 0.3 and X-ray luminosities greater than 2 x 10 43 erg/s (luminosities are quoted for the 0.5 - 2.0 keV energy band). ... 1997 ...
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Ссылки http://hea-www.harvard.edu/~dburke/southern_sharc/ -- 7.8 Кб -- 01.10.2012
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17. Evolutionary Paths in Galaxy Morphology
... 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 . ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... In addition to this, their morphology displays very spiral like signatures compared to quiescent red sequence galaxies. ...
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Ссылки http://www.atnf.csiro.au/research/conferences/2013/gzo/abstracts/a80.html -- 49.4 Кб -- 11.04.2016
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18. MAO NASU :: Topic: 1st Announcement IAU Symposium 312 Star Clusters and Black
... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...
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Ссылки http://www.mao.kiev.ua/index.php/en/forum/info/95-1st-announcement-iau-symposium-312-star-clusters-and-black-holes-across-cosmic-time-beijing-china-aug-25-29-2014 -- 24.6 Кб -- 11.04.2016
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19. The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
... VLA observations and Tully-Fisher distances of gas-poor spiral galaxies in the Virgo Cluster Region . ... The HI-H2 Pressure Relation In Early-Type Galaxies . ... Tracing evolution of early-type spirals through the neutral hydrogen window . ... An Arecibo HI 21-cm Absorption Survey of Rich Abell Clusters . ... The Arecibo Ultra-Deep Survey . ... Absorption in varying galactic environments seen in HI surveys . ... Early-type galaxies with neutral hydrogen in the Virgo cluster from the ALFALFA survey ...
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Ссылки http://www.naic.edu/~astro/hiconference/posters.shtml -- 7.1 Кб -- 02.10.2012
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20. Armagh Observatory
... a spiral galaxy some million light years away, made by combining images . ... 1st February using the Armagh Robotic Telescope at the Armagh Observatory. ... Image credit: Simon Jeffery. Astronomers Simon Jeffery and Jack Wright have obtained their first images of deep-space objects using a new тАЬroboticтАЭ telescope at Armagh Observatory. ... Simon Jeffery, project scientist for the new telescope, said: "After two years of hard work, it is very satisfying to see the first images looking so good. ...
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Ссылки http://star.arm.ac.uk/press/2011/csj_telescope01_revised.html -- 8.7 Кб -- 04.02.2011
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