... September 21, 1999 . The Quintuplet Star Cluster . ... Explanation: Bright clusters of stars form and disperse near the center of our 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 . ... The young Quintuplet Cluster is one of the most massive open clusters yet discovered, but still much less massive than the ancient globular clusters that orbit in the distant halo. ...

Еще в разделе: (Показать все результаты (>8540) - www.sai.msu.su/ )

• APOD: 2006 September 10 - Star Clusters Young and Old
• APOD: 2001 September 9 - NGC 3293: A Bright Young Open Cluster
• APOD: 2001 November 3 - Bright Stars, Dim Galaxy

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 (>2811) - www.armaghplanet.com/ )

• NGC4666: Secrets of a Starburst Galaxy | Astronotes
• WLM Galaxy: a Cosmic Living Fossil | Astronotes
• How do galaxies form? - New discovery from European Southern Observatory |

Astronomy Picture of the Day . ... NASA Explanation: Bright clusters of stars form and disperse near the center of our 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 . ... Publications with keywords: star cluster - Galactic Center - open cluster - star . Publications with words: star cluster - Galactic Center - open cluster - star . ... M7: Open Star Cluster in Scorpius . ...

Еще в разделе: (Показать все результаты (>168256) - www.astronet.ru/ )

• The Hydra Cluster of Galaxies
• Young Star Clusters in an Old Galaxy
• Star Clusters Young and Old

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 18, 1999 . Irregular Galaxy Sextans A . ... Their newly formed, bright, blue star clusters found along beautiful, symmetric spiral arms are guaranteed to attract attention. But small irregular galaxies form stars too , like this lovely, gumdrop-shaped galaxy, Sextans A . ... About APOD > . ...

Еще в разделе: (Показать все результаты (>7892) - www.arcetri.astro.it/ )

• APOD: September 22, 1998 - M61: Virgo Spiral Galaxy
• APOD: 2001 March 11 - NGC 1818: A Young Globular Cluster
• APOD: April 2, 1999 - Stars of NGC 206

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. ...

Еще в разделе: (Показать все результаты (>1434) - www.astrosociety.org/ )

• ASP: Black Holes to Blackboards: Drifting Through Andromeda
• ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way

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. ...

Еще в разделе: (Показать все результаты (>15502) - www.stsci.edu/ )

• HST this week: 252
• Black Holes in Globular Clusters
• Young, Ultraviolet-bright Stars Dominate Dust Heating in Star-forming Galaxies

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Studying the first galaxy clusters with ALMA . ... ALMA will provide a major leap forward in our capabilities of studying the high-redshift universe, especially the first galaxies. ... These first galaxies are also found to cluster relatively strongly, and are expected to form proto-clusters, later growing to be the fully-formed galaxy clusters we see in the local Universe....

Еще в разделе: (Показать все результаты (>66859) - www.eso.org/ )

• ESO - Studying the Cosmological Evolution of Galaxy Clusters with (Sub-)mm
• Ultra-compact dwarf galaxies
• The Thousand-Ruby Galaxy | ESO

The radial distribution of metallicity of star-forming galaxies in a galaxy cluster can inform us about the mass assembly and enrichment history of the galaxy cluster. ... Both galaxy clusters are cool-core clusters at redshift z т?? ... The gas-phase metallicity of star- forming galaxies in MACS1115+01 exhibit anti-correlation with projected distance т??0.15 ТБ 0.08 dex/Mpc, whereas the radial metallicity distribution of RXJ1532+30 is statistically flat (т??0.09 ТБ 0.12 dex/Mpc). ...

Еще в разделе: (Показать все результаты (>1373) - www.mso.anu.edu.au/ )

• http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt
• Julie Banfield | Astronomer
• GSAOI Super Star Clusters Science Page

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 . ...

Еще в разделе: (Показать все результаты (>318) - zebu.uoregon.edu/ )

• Low Surface Brightness Galaxy Gallery
• Astro-2 and the UIT Experiment
• The Galaxy Gallery Page IX: Clusters of Galaxies

... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Astronomy for Kids . ... Astronomy 101 . ... Astronomy Foundation . ... Do globular clusters form in a galaxy's halo or migrate in from outside? If the latter, how? ... The Milky Way Galaxy has a system of roughly 150 globular clusters, which are all older than 9 billion years. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

Еще в разделе: (Показать все результаты (>7136) - www.astronomy.com/ )

• Galaxy clusters collide | Astronomy.com
• Web Extra: Astronomers animate one of the largest galaxy clusters ever observed
• Hubble sees NGC 7090 т?? an active star-forming galaxy | Astronomy.com

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

Еще в разделе: (Показать все результаты (>489) - www.mao.kiev.ua/ )

• MAO NASU :: Topic: 1st Announcement IAU Symposium 312 Star Clusters and Black
• Dept. for Physics of Stars&Galaxies
• The Laboratory of Astrometry

... 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 (>1368) - www.sao.ru/ )

• Clusters of Galaxies
• A 20 cm VLA survey of Abell clusters of galaxies
• A VLA Survey of Rich Clusters of Galaxies III

... All previous such superstars have been found along with many companion stars in the centres of crowded star clusters. The star is known as VFTS 682 from the VLT-FLAMES Tarantula Survey catalogue of the European Southern Observatory's Very Large Telescope (VLT) located at Paranal in Chile by means of the attached FLAMES instrument. ... Although VFTS 682 seems to be alone now it is not very far away from a very rich star cluster known as RMC 136 that contains several similar superstars. ...

Еще в разделе: (Показать все результаты (>2902) - star.arm.ac.uk/ )

• William Herschel
• Astronomy Today and the Role Played by the Hubble Space Telescope: Wednesday 17
• JLE Dreyer

... Bad Astronomy . ... Bitesize Astronomy . ... The next step up are true clusters, called open clusters . Open clusters (sometimes misleadingly called "galactic clusters") are groups of stars ranging in size from a few dozen stars up to tens of thousands. ... The youngest is about 1 or 2 million years old, while the oldest is about 6 or 7 billion years, making it just older than our own solar system. ... So by looking at the stars in the cluster we can tell pretty well how old they are. ...

Еще в разделе: (Показать все результаты (>357) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Mad Science

... 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 ...

Еще в разделе: (Показать все результаты (>3468) - hea-www.harvard.edu/ )

• The Chandra Multiwavelength Project (ChaMP)
• The AstroStat Slog Blog Archive my first AAS. IV. clustering
• The galaxy M100

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. ...

Еще в разделе: (Показать все результаты (>2483) - www.naic.edu/ )

• New Results Confirm Dark Galaxy Existence
• AGES - the Arecibo Galaxy Environment Survey
• The Pleiades

... Future seminars . P a s t seminars . Seminar council . Stability of cold fronts in clusters of galaxies " . E. Churazov (IKI, MPA) . ... One of the insteresting results of Chandra and XMM-Newton observatories is the discovery of sharp structures in the X-ray surface brightness of galaxy clusters. These structures (a.k.a. cold fronts) are likely associated with the contacted discontinuities formed when a hot gas flows over a colder gravitationally bound gas cloud. ...

Еще в разделе: (Показать все результаты (>826) - www.cosmos.ru/ )

• (S-7a) The Black Hole at the Center of our Galaxy

... 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. ...

Еще в разделе: (Показать все результаты (>1348) - mavr.sao.ru/ )

• A unique isolated dwarf spheroidal galaxy KKR25
• Multi-Spin Galaxies Conference 2016
• articles_flera_en

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

Еще в разделе: (Показать все результаты (>277) - www.astro.louisville.edu/ )

• http://www.astro.louisville.edu/shared_skies/archive/select/ic/ic348/20121109/ic348_wikipedia_20130415.pdf

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

Еще в разделе: (Показать все результаты (>744) - jet.sao.ru/ )

• GRB follow-up team
• Publications
• The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS