... STScI-PRC00-25 A DYING STAR IN GLOBULAR CLUSTER M15 The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope's Wide Field Planetary Camera 2 (WFPC2). ... Known as Kuestner 648, this was the first planetary nebula to be identified in a globular cluster. ... At the present time, the most massive stars remaining in M15 have about 80 percent of the mass of our Sun, a fact that makes the existence of a planetary nebula like K 648 something of a mystery. ...

Еще в разделе: (Показать все результаты (>7850) - www.arcetri.astro.it/ )

• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/0030y.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Edge.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/Tarantula.txt

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

Еще в разделе: (Показать все результаты (>6580) - www.astronomy.com/ )

• How can astronomers tell the difference between a group or cluster of stars and
• Web Extra: Astronomers animate one of the largest galaxy clusters ever observed
• Understanding brightness | Astronomy.com

... Each day we feature a different image or photograph of our fascinating universe, along with a brief explanation written by a professional astronomer. July 26, 1995 . M15: A Great Globular Cluster . Credit: The Electronic Universe Project . ... One of the brightest globular clusters in our Milky Way galaxy is the pictured M15, the fifteenth object on Messier's list of diffuse objects on our sky. ... For more information on M15 see The Electronic Universe Project's write-up. ...

Еще в разделе: (Показать все результаты (>8187) - www.sai.msu.su/ )

• APOD: August 23, 1996 - NGC 3293: A Bright Young Open Cluster
• APOD: January 27, 1996 - Open Cluster M8 in the Lagoon
• APOD: 2015 April 6 - NGC 3293: A Bright Young Star Cluster

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Galaxy Clusters . ... Star Clusters . ... Stars@ESO . ... This zoom video starts with a view of the central parts of the Milky Way. We zoom in towards the bright constellation of Scorpius (The Scorpion) and we see a fuzzy spot close to the tail. This is the bright star cluster Messier 7 and is visible with the naked eye. ... 208.1€аMB . ...

Еще в разделе: (Показать все результаты (>66634) - www.eso.org/ )

• Panning across the bright star cluster Messier 7 | ESO
• VLT UT1 Soon Ready to Receive the Astronomers | ESO
• Zooming in on the bright star cluster NGC 3293 (fulldome) | ESO

Information and Resources . ... ALL preprints (option 2): List of preprints received in the STScI Library during the past couple years. Citations are added to the data base as papers are published. ... REPRINT file (option 4): List of preprints and reprints received for papers published in journals to which the library does not subscribe. JOURNAL holdings (option 5): List of titles of journals to which we subscribe, along with the volumes available in the STScI Library. ...

Еще в разделе: (Показать все результаты (>15358) - www.stsci.edu/ )

• Managing Your Disk Space
• Comparisons of Implementations
• Surface Brightness Profiles

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

Еще в разделе: (Показать все результаты (>3) - www.astronomer.ru/ )

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Image credit:ESO/J.Emerson/VISTA. ... However others are less pessimistic and it has even been claimed that the mysterious ?Wow! signal? received in 1977 originated from the direction M55.б  Sadly, this still unexplained pulse of radio energy originated from a location rather to the northwest of M55 so I doubt if the source was this cluster (if indeed the signal was genuinely of extraterrestrial origin). ... Mysterious Wow! ...

Еще в разделе: (Показать все результаты (>2832) - www.armaghplanet.com/ )

• NGC4666: Secrets of a Starburst Galaxy | Astronotes
• Hubble shows us a spectacular star cluster | Astronotes
• stars | Astronotes - Part 6

... M13: The Great Globular Cluster in Hercules . ... Of course, M13 is now modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky. Telescopic views reveal the spectacular cluster's hundreds of thousands of stars. ... The cluster's evolved red and blue giant stars show up in yellowish and blue tints. ... Publications with keywords: globular cluster - star cluster . ... Blue Straggler Stars in Globular Cluster M53 . ...

Еще в разделе: (Показать все результаты (>119348) - www.astronet.ru/ )

• XWare > APOD

Next: J.E. Chambers, Research Astronomer Up: Research Previous: Research Contents . ... Solar Variability and Climate . Other Activities . ... Applied to data of flares on Gliese866 he was able to estimate the area of hydrogen emitting flare regions as 1-13% of the stellar surface. ... As partners in the project, Armagh Observatory has been asked to contribute to the selection process in exchange for priority access to the data which will eventually flow from the satellite. ...

Еще в разделе: (Показать все результаты (>2878) - star.arm.ac.uk/ )

• Armagh Observatory
• Pending... | OASES Over us All is the SElfsame Sky | OASES 2010
• Stars Beyond Maturity

... 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. ...

Еще в разделе: (Показать все результаты (>739) - www.mao.kiev.ua/ )

• MAO NASU :: Topic: The DRAGON globular cluster simulations: a million stars,

... Archives . ... my first AAS. ... I was questioned by two attendees, acquainted before the AAS, if I can suggest them clustering methods relevant to their projects. ... classification vs. clustering or supervised learning vs. unsupervised learning : the former terms from the pairs indicate the fact that the scientist already knows types of objects in his hands. ... Tags: Classification , clustering , cosmology , spatial statistics , supervised learning , test , unsupervised learning . ...

Еще в разделе: (Показать все результаты (>3147) - hea-www.harvard.edu/ )

• The AstroStat Slog Blog Archive Classification and Clustering
• The AstroStat Slog spatial statistics
• The AstroStat Slog Jargon

Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...

Еще в разделе: (Показать все результаты (>381) - zebu.uoregon.edu/ )

• The Galaxy Gallery: Messier Objects
• Low Surface Brightness Galaxy Gallery
• Constrains on Dark Matter

Participant 5 (P5) ================== Dr. V.P. Tishkovets - Astronomical Observatory, Kharkov University, UA Dr. N.N. Kiselev - Astronomical Observatory, Kharkov University, UA P.V. Litvinov - 26 years old; Astronomical Observatory, Kharkov University, UA S.A. Beletsky - 28 years old; Astronomical Observatory, Kharkov University, UA The head of the team, Dr. Tishkovets, and Mr. Litvinov made many investigations of light scattering by clusters of particles - analogues of interplanetary dust grains. ...

Еще в разделе: (Показать все результаты (>334) - www.astro.spbu.ru/ )

• Model of clusters
• paper2
• Model realization and some results

... 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. ...

Еще в разделе: (Показать все результаты (>14276) - www.atnf.csiro.au/ )

• The Parkes 21cm Multibeam Receiver
• ATNF Mailing List Archives
• EVLA Deep Cluster Survey

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

Еще в разделе: (Показать все результаты (>4910) - www.naic.edu/ )

• Pulsar Highlights - A Dozen new MSPs in Globular Clusters
• Electronics Group Log Homepage
• New Results Confirm Dark Galaxy Existence

... 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...

Еще в разделе: (Показать все результаты (>1288) - www.sao.ru/ )

• Clusters of Galaxies
• A 20 cm VLA survey of Abell clusters of galaxies
• Space-Time with Bound Cluster

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . This is on-line version of Russian magazine Novosti Kosmonavtiki. This electronic version covers Russian and International space news. Those who wish to obtain the full, translated copy of an article will be charged an additional price, which varies with the size of the article. If you'd like to subscribe to our journal and receive the full version (in Russian), please contact us at . ... 12 / 2002 [October, 2002] . ...

Еще в разделе: (Показать все результаты (>125) - www.cosmoworld.ru/ )

• RAS ISR' Conclusion on the scientific results received in the orbital complex

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

Еще в разделе: (Показать все результаты (>412) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bad TV

... Description of e-Mail Commands . Abstract and Paper preparation for Put . ... Physics hep-th @ xxx.lanl.gov High Energy Physics - Theory, 8/91 hep-lat @ xxx.lanl.gov High Energy Physics - Lattice, 2/92 hep-ph @ xxx.lanl.gov High Energy Physics - Phenomenology, 3/92 cond-mat @ xxx.lanl.gov Condensed Matter, 4/92 astro-ph @ xxx.lanl.gov Astrophysics, 4/92 gr-qc @ xxx.lanl.gov General Relativity Quantum Cosmology, 7/92 nucl-th @ xxx.lanl.gov Nuclear Theory, 10/92 chem-ph @ ...

Еще в разделе: (Показать все результаты (>153) - www.asc.rssi.ru/ )

• ОТЧЕТ
• RadioAstron Monthly Notices

Electronic access is now available for all ASP Conference Series Volumes. View the current list available on this page or browse the e-Book Access site . ... Vol 1-218 . ... Vol 219+ . ... Purchase the printed volume, which includes free electronic access. ... Vol. ... eds. Vicent J. Mart nez, Virginia Trimble, and Mar a Jes s Pons-Border a . Print ISBN: 1-58381-092-7 . e-Book ISBN: 978-1-58381-588-5 . ... Print ISBN: 1-58381-091-9 . e-Book ISBN: 978-1-58381-587-8 . ... eds. Ph. ...

Еще в разделе: (Показать все результаты (>1424) - www.astrosociety.org/ )

• ASP: Star Science in the Autumn Sky
• ASP Conference Series, Vols. 195-221
• ASP Conference Series, Vols. 1-34