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1. Astro-2 and the UIT Experiment
... NGC 188 is a moderately old open cluster in the disk of the Milky Way. The exposure was 631 seconds through B1, 315 seconds through A1 and 316 seconds through B5. 47-TUC is a metal-rich galactic globular cluster. ... M13 1490 seconds through A1 and B5. ... NGC 752 a galactic stellar cluster was observed for 1172 seconds through A1 and B5. The Hercules Cluster of Galaxies or Abell 2151 is a rather distant (by UIT imaging standards), spiral rich cluster with lots of interacting galaxies. ...
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Ссылки http://zebu.uoregon.edu/uit-t7.html -- 4.7 Кб -- 07.10.1996
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3. National Astronomy and Ionosphere Center (Arecibo Observatory)
. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."
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4. Johnson Space Center redirect
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5. Amateur Astronomers Association of New York ? Amateur Astronomers Association
... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...
6. XWare > APOD
... At the nebula's center is an ultra-dense neutron star that rotates 30 times a second. ... Our Galaxy in Stars, Gas, and Dust . ... The red nebulae visible in the above contrast-enhanced picture are primarily emission nebulae, glowing clouds of hydrogen gas heated by nearby, bright, young stars. M83: A Barred Spiral Galaxy . ... The Quintuplet Cluster is located within 100 light-years of the Galactic center, and is home to the brightest star yet cataloged in our Galaxy: the Pistol Star. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=68&d=2001-07 -- 15.4 Кб -- 12.04.2016
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7. http://www.stsci.edu/~marel/abstracts/psdir/AAS197_76_04.ps
Why areNuclear Star Clusters interesting? 1) Many -- if not all nuclear star clusters appear to be young, or at least have a young population of stars. ... 3) If nuclear clusters indeed form in the galaxy center, their impact on the dynamics of stars and gas in the central region of the host galaxy needs to be understood, because it can potentially influence the galaxy morphology. For example, it has been suggested that nuclear clusters can destroy stellar bars and thus form galaxy bulges. ...
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Ссылки http://www.stsci.edu/~marel/abstracts/psdir/AAS197_76_04.ps -- 1663.9 Кб -- 18.12.2000
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8. http://www.mso.anu.edu.au/seminars/abstracts/20151106-1420.html
I will present theresults from a deep, extended, planetary nebulae survey in a 0.5 sqdeg region centered on the brightest cluster galaxy NGC 4486 (M87) in the Virgo cluster core, carried out with SuprimeCam@Subaru and FLAMES-GIRAFFE@VLT. ... A substructure detected in the projected phase-space of the line-of-sight velocity vs. major axis distance for the M87 halo planetary nebulae provides evidence for the recent accretion event of a satellite galaxy with luminosity twice that of M33. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20151106-1420.html -- 5.0 Кб -- 10.04.2016
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9. NICMOS Observes the Galactic Center
Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node25.html -- 12.9 Кб -- 12.06.2006
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10. 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. ...
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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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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
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11. Marina Rejkuba's Web Site
... Research . ... Ljubljana Univ., ... Zagreb Univ., ... Asiago Observatory, Italy . ... ESO, Germany . ... I am an associate astronomer at the European Southern Observatory (ESO). I divide my work between the scientific research and management of the ESO's User Support Department (USD), which is in charge of providing support to observers who use ESO's Paranal Observatory facilities . ... A final standard disclaimer: the opinions expressed in this site do not reflect in any way the opinions of ESO. ...
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Ссылки http://www.eso.org/~mrejkuba/ -- 6.5 Кб -- 16.05.2015
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12. http://www.atmob.org/about/observing/awards/files/globular_cluster_instructions_2011-02-01.pdf
... Observing may be done from any location. ... See this link for further details, limiting magnitude charts, and star count tables: http://www.imo.net/visual/major/observation/lm Proof Point Information : Shapley-Sawyer Classification: Reference: http://x.astrogeek.org/articles/article.php?article_id=15 Brief Description: I - High concentration toward the center; E.g ., NGC 6864, M75 II - Dense central condensation; E.g ., NGC 7089, M2 III - Strong inner core of stars ; E.g ., ...
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Ссылки http://www.atmob.org/about/observing/awards/files/globular_cluster_instructions_2011-02-01.pdf -- 21.8 Кб -- 21.02.2011
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13. APOD: September 19, 1997 - Globular Cluster 47 Tucanae
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 19, 1997 . Globular Cluster 47 Tucanae . ... Explanation: Stars come in bunches. Of the over 200 globular star clusters that orbit the center of our Milky Way Galaxy , 47 Tucanae is the second brightest globular cluster (behind Omega Centauri ). ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap970919.html -- 4.5 Кб -- 02.10.2012
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14. Source Selection
... The stars examined here were primarily culled from two lists of X--ray sources in Orion. ... The second region is two degrees in extent east--west and ten degrees north--south with Orionis being near the northern edge. ... In the end, two main regions were chosen for monitoring: stars near Orionis and stars northwest of the belt of Orion. ... The PSPC identified 22 sources within 15 of Orionis in addition to the sources listed in Table 1 , giving a total of 85 X--ray sources in the Orionis region. ...
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Ссылки http://hea-www.harvard.edu/~swolk/thesis/optical/node3.html -- 8.2 Кб -- 02.10.2012
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15. The puzzling core of the Phoenix cluster: deep X-ray observations
... Star formation . ... The puzzling core of the Phoenix cluster: deep X-ray observations . ... SPT-CLJ2344-4243 shows a strong cool core with a potential mass deposition rate of ~3000 Msun/yr derived from the X-ray luminosity. ... The spectral analysis of the deep XMM-Newton observation of the Phoenix cluster found an average mass-deposition rate between 210 and 620 Msun/yr for the gas in the temperature range 0.15-3.0 keV (subject to calibration uncertainties). ...
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Ссылки http://www.arcetri.astro.it/en/previous/204-scientific-news/916-phoenix-tozzi -- 28.5 Кб -- 10.04.2016
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16. Spectrographic time budget
... About 10% of the time is allocated to moving the telescope to the zenith and exchanging the spectrographic cartridges. ... Focus telescope (open-loop)* . ... TOTAL TIME (seconds) . ... This assumes two 60 second arc exposures and two 55 second readouts. ... Otherwise, the arc exposure will likely consist of a 30 second integration followed by a quick 28 second readout, half the normal time. ... The flat-field exposure can be read out with a quick 28 second readout, half the normal time. ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19970730_CartridgeCorrXchg/Spectrographic_timing.html -- 14.7 Кб -- 19.05.1998
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17. A1190 radio identifications
A1190 radio identifications A1190 11 11 46.2 +40 50 42 0.0763 # Radio sources RS2, RS3, RS5 and probably RS10 are in cluster center. To south from A1190 center is the other cluster or the subcluster of A1190 # that contains many E-galaxies and two radio sources, RS38 and RS41. RS36 is in group or in other cluster to S-E from A1190. RS 1 0.05 # Sidelobe? nvss 11 11 40.83 +40 50 56.7 3.3 # HT RG is identified with second bright (E0?) galaxy with nearby # companions. ...
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Ссылки http://www.sao.ru/cats/~CLUSTERS/CLUSTERS/RO_images/A1190/A1190id.html -- 10.4 Кб -- 04.04.2001
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18. MCCME: Moscow Center for Continuous Mathematical Education
... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...
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19. (S-7a) The Black Hole at the Center of our Galaxy
... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 22.12.2007
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20. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BBED9CA7E-AB9A-459A-BEA6-20BEF2B7F088%7D
Dark matter maps for a sample of 50 individual galaxy clusters (left), an average galaxy cluster (center), and those based on dark matter theory (right). ... The map based on predictions from CDM theory (right, middle) is a close match to the average galaxy cluster observed with the Subaru Telescope. NAOJ/ASIAA/School of Physics and Astronomy, University of Birmingham/Kavli IPMU/Astronomical Institute, Tohoku University ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BBED9CA7E-AB9A-459A-BEA6-20BEF2B7F088%7D -- 4.0 Кб -- 10.04.2016
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