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1. Main Researches Activities
. Subdwarfs . Metal deficient red giants in galactic field . Red horizontal branch stars . Blue horizontal branch stars . Extended horizontal branch stars . Stars inside globular clusters . W Vir type stars . IRAS-sources identified with peculiar supergiants . RCrB type stars . Sakurai's object . peculiar supergiant FG Sge .
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/ssl/Res.html -- 3.0 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/ssl/Res.html -- 3.0 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/ssl/Res.html -- 3.0 Кб -- 01.10.2012
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2. Astronomy HyperText Book: Stellar Clusters
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. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/textbook/sc.html -- 3.5 Кб -- 23.01.1998
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3. A VLA Survey of Rich Clusters of Galaxies III
... The measurements extend to a lower 1.5 GHz limit of 1.0 mJy and comprise a complete sample with 1.5-GHz flux density 2.5 S1.5 J/AuJPh/47/145 VLA Survey of Rich Clusters of Galaxies II (Slee+, 1994) J/AuJPh/49/977 VLA Survey of Rich Clusters of Galaxies III (Slee+, 1996) ================================================================================ A VLA Survey of Rich Clusters of Galaxies II. ... Note (3): An elliptical Gaussian was fitted to the source. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/CL_Slee3.html -- 14.6 Кб -- 18.03.2015
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4. GSAOI Super Star Clusters Science Page
... GSAOI Home . ... Science . ... Deep J , H , and K imaging is required of Galactic and Magellanic Cloud analogs of the super star clusters identified in starburst galaxies. ... Images of the 30 Doradus star cluster in the Large Magellanic Cloud in the visible ( left panels ) and near-infrared ( right panels ) take from the ground ( top panels ) and with the Hubble Space Telescope ( bottom panels ). The fields of the GSAOI detectors are shown as four green squares in each frame. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/gsaoi/science/ssc.shtml -- 6.0 Кб -- 01.10.2012
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5. HST this week: 113
Program Number . ... Gordon Drukier, Yale University . Shooting Stars: Looking for Direct Evidence of Massive Central Black Holes in Globular Clusters . Abstract . ... Hubble Heritage Observations of Arp 148 . ... The Sloan Digital Sky Survey (SDSS) has proven a powerful tool for identifying new lens candidates, although high angular resolution HST observations are essential for confirming those candidates as genuine gravitational lensing systems (see Program GO 10886). ... Past weeks: . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~inr/thisweek1/thisweek113.html -- 11.9 Кб -- 08.06.2007
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6. Young Star Clusters in an Old Galaxy
... Young Star Clusters in an Old Galaxy . ... ESO , ESA , NASA Explanation: Elliptical galaxy NGC 4365 is old, probably about 12 billion years old. ... NGC 4365's star clusters themselves appear as bright dots against a diffuse glow of unresoved starlight and fuzzy, distant background galaxies. ... Publications with keywords: NGC 4365 - Elliptical Galaxy - star cluster - star formation . Publications with words: NGC 4365 - Elliptical Galaxy - star cluster - star formation . ... X Ray Stars of Orion . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2002-07-04 -- 15.0 Кб -- 04.07.2002
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7. Vladimir Marsakov Abstracts
... The overall globular cluster population is divided by gap in the metallicity function at [Fe/H]=-1.0 into two discrete groups with well-defined maxima at [Fe/H]=-1.60?0.03 dex, and -0.60?0.04 dex. ... Clusters with extremely blue horizontal branches occupy a spherical volume of radius ~ 9 kpc, have high rotational velocities ( V rot =77?33 km/s), have substantial and equal negative radial and vertical metallicity gradients, and are, on average, the oldest group (the old-halo subsystem). ...
[ Сохраненная копия ]  Ссылки http://ip.rsu.ru/~marsakov/abs/abst29.htm -- 9.2 Кб -- 02.02.2007
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8. ESO - Research Area: STELLAR POPULATIONS
... Science . ... Science Users Information > Science Activities > Science in Garching > Research Area: STELLAR POPULATIONS . ... Research Area: STELLAR POPULATIONS . Subject in this research area aim at understanding the stellar content of nearby star clusters and galaxies with the goal of understanding their formation and evolution history. ... Evolution of Galaxies and the ISM Stellar Populations Faculty . ... Planets and Star Formation Stellar Populations Stellar Structure and Evolution Faculty . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/activities/garching/research_area_3.html -- 83.1 Кб -- 10.04.2016
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9. Types of Nebulae
... We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Early in this century, there was a great debate as to the nature of the nebulae like this one which at that time could not be resolved into individual stars. ... A typical galaxy is 100,000 light-years in diameter. ... M 42 shown) Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ... M 1 shown) . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/twn/types.html -- 7.8 Кб -- 01.10.2012
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10. SWXCS
... The Swift X-ray Cluster Survey (SXCS) is an ongoing project aimed at finding serendipitously galaxy clusters in the Swift X-ray Telescope (XRT) archive. ... ROSAT . ... 600 km Here SXCS is compared with other X-ray cluster surveys based on Chandra or XMM data (please refer to Tundo et al. 2012 for detailed discussion). ... We are currently working to a second data release, based on a larger set of XRT fields, and on the use of a Voronoi-based algorithm "EXSdetect" tailored to the XRT data. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/SWXCS/ -- 8.5 Кб -- 20.05.2014
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11. Catalogue of 109 new Galactic open clusters, for Cartes du Ciel - Запорожский
... Запорожский клуб АЛЬТАИР > . Catalogue of 109 new Galactic open clusters, for Cartes du Ciel . ... Cartes du Ciel - Sky Charts . ... Этот каталог является версией части каталога "J/A+A/440/403 109 new Galactic open clusters (Kharchenko+, 2005) ", а именно файла stars.dat, содержащего информацию о 26778 звездах до 14.627m , находящихся в 130 рассеяных скоплениях района Млечного Пути (Galactic Open Cluster). ... We present a list of 130 Galactic Open Clusters, found in the All-Sky . ...
[ Сохраненная копия ]  Ссылки http://www.astroclub.kiev.ua/forum/index.php?topic=1361.0 -- 65.4 Кб -- 09.04.2016
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12. SAI Open Star Clusters (SAI OCL) Catalog
... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...
[ Сохраненная копия ]  Ссылки http://ocl.sai.msu.ru/ -- 5.0 Кб -- 09.04.2016
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13. Pulsar Highlights - A Dozen new MSPs in Globular Clusters
A Canadian and American team of Astronomers have used the 305-m wide Arecibo radio dish, the world's largest and most sensitive radio telescope, to uncover a dozen new super-fast-spinning pulsars. The team directed their search for these rare and exotic stars by pointing the Arecibo radio telescope towards massive star clusters, called Globular Clusters, orbiting our Milky Way galaxy. ... One of the most exotic residents in the Globular cluster system are the millisecond pulsars. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~pulsar/highlights/highlights_AOGC.shtml -- 7.6 Кб -- 03.02.2013
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14. Optical Identification Strategies for the Molonglo Cluster Survey
... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Australia Telescope 20GHz Survey . ... We describe a newly refined procedure for making optical identifications of radio sources in Abell cluster fields observed with the Molonglo Observatory Synthesis Telescope (MOST). ... We find 21 1.5% of the radio sources are identified with galaxies and 4.6 0.7% with QSO candidates in a sample of 927 radio sources in 27 cluster fields. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pasa/14_3/haigh/paper/index.html -- 52.1 Кб -- 08.04.2016
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15. Globular Clusters: Self-Enrichment
... We address a question if globular clusters (GC) in a protogalaxy could for some time evolve chemically as isolated systems, enriching themselves with heavy elements produced in first supernova events that follow initial star formation. We determine both the critical mass of a protoglobular cluster that is needed to retain the ejecta of the very first supernova, and the critical energy (i.e., number of supernovae) that is needed to expel the residual gas from a cluster of a given mass. ...
[ Сохраненная копия ]  Ссылки http://www.inasan.rssi.ru/~dwiebe/abstracts/gcl.html -- 3.5 Кб -- 27.09.2012
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16. ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way
... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/pubs/mercury/38_02/forbes.html -- 6.7 Кб -- 02.10.2012
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17. The Chandra Multiwavelength Project (ChaMP)
Aitoff Projection showing ChaMP Fields . ... Main survey: >20 from galactic plane. ... Galactic Plane Survey: No subarray fields: reduced area and more complicated processing . ... Short exposures included except NGC galaxies . Galactic Plane Survey: > 30 ksecs . ... Galactic Plane Survey: >10% contamination by a diffuse/distributed X-ray or optical source. ... E(B-V)= (B-V) - (B-V) 0 which translates to visual extinction A V via . ... Crudely, E(B-V) can be related to Galactic latitude via . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/CHAMP/SURVEY_STRATEGY/merged_list_criteria.html -- 7.0 Кб -- 02.10.2012
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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. ...
[ Сохраненная копия ]  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. Absolute proper motions of open clusters
ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/groups/cluster/cl/pm/ -- 9.0 Кб -- 25.07.2002
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20. http://www.sao.ru/hq/katya/NDG/DVD/Posters/Kopylova.pdf
RED SEQUENCE DWARF GALAXIES IN CLUSTERS F. G. Kopylova and A.I. Kopylov Special astrophysical observatory, Russian Academy of Sciences Red sequence galaxies in clusters are an important population for understanding galaxy formation and evolution in general. ... To study the red sequence luminosity function and dwarf-to-giant ratio (DGR), we select 10 clusters of galaxies of the Leo Supercluster (z 0.035, D 150 · h-1 M pc) (Fig.1). ...
[ Текст ]  Ссылки http://www.sao.ru/hq/katya/NDG/DVD/Posters/Kopylova.pdf -- 1301.0 Кб -- 24.02.2010
[ Текст ]  Ссылки http://mavr.sao.ru/hq/katya/NDG/DVD/Posters/Kopylova.pdf -- 1301.0 Кб -- 01.10.2009
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