... AURA , NOAO , NSF Explanation: Bright blue stars highlight the open cluster known as M103 . ... In fact, a formerly blue star has recently evolved off the main sequence and is visible above as the red giant star near the cluster center. In general, yellow stars like our Sun are usually less bright and hence less prominent in open clusters than their massive blue cousins. ... Publications with keywords: open cluster - M103 . Publications with words: open cluster - M103 . ...

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• XWare > APOD

... 2001 February 7 . Distant Open Cluster M103 . ... Explanation: Bright blue stars highlight the open cluster known as M103 . The gas clouds from which these stars condensed has long dispersed. ... In fact, a formerly blue star has recently evolved off the main sequence and is visible above as the red giant star near the cluster center. In general, yellow stars like our Sun are usually less bright and hence less prominent in open clusters than their massive blue cousins. ... About APOD | ...

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• APOD: 2001 November 3 - Bright Stars, Dim Galaxy
• APOD: September 21, 1999 - The Quintuplet Star Cluster
• APOD: 2014 October 8 - NGC 6823: Cloud Sculpting Star Cluster

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• GSAOI Orion Nebula Cluster Science Page
• Blue Straggler Stars
• The Music of the Spheres

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. ...

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• Astronomy HyperText Book: Interstellar Medium
• Constrains on Dark Matter

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! ...

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• NGC4666: Secrets of a Starburst Galaxy | Astronotes

... We present the results of an interferometric and single-dish study of G24.78+0.08, a region associated with high-mass star formation. ... We suggest that the embedded stars might be too young to have affected the surrounding molecular cloud significantly on a large scale. ... We assess that the (proto)stellar cluster lies at the center of a molecular clump with diameter of ~2 pc: to a good approximation this may be described as a spherically symmetric clump with density profile of the type n~R^(-1.8...

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• A Search for Clustering around Herbig Ae/Be Stars
• Arcetri Star-Formation Group Publications
• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster

... Star Atlas . ... solar system . ... stars . ... Observe the Solar System . ... What factors determine if a massive star (say, 100 solar masses) forms instead of a Sun-like star? ... Stars of all masses form from dense clumps within exceptionally cold molecular clouds. ... Massive stars tend to form at the centers of high-mass reservoirs of gas. Get instant access to subscriber content on Astronomy.com! ... A gamma-ray burst hints that LIGO's double black holes started as one massive star . ...

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• If a supernovaт??s original star is massive enough to form a black hole, why is
• Do globular clusters form in a galaxy's halo or migrate in from outside? If the
• Most massive binary star identified | Astronomy.com

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The projected distance of VFTS 682 to the cluster R136 is 29 pc (for an assumed LMC distance of 50 kpc). ... VFTS 682 is located in an active star-forming region, at a projected distance of 29 pc from the young massive cluster R136 in the Tarantula Nebula of the Large Magellanic Cloud. ... Our aim is to obtain the stellar properties, such as its intrinsic luminosity, and to investigate the origin of VFTS 682. ...

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• M.D. Smith, Research Astronomer
• High-Mass Star Formation
• Research Interests

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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• ASP: Black Holes
• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: Monster Comet Promises Big Show

... Posts tagged ?massive data? ... Tags: bimodality , chi-square minimization , Classification , CMD , Estimation , machine learning , massive data , model based , PCA , spectral analysis , spectroscopic , survey , VO . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

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• The AstroStat Slog Blog Archive A confession from a former ?keV? junkie (2.
• Southern SHARC survey
• dictionary

AN X-RAY TOUR OF MASSIVE STAR-FORMING REGIONS WITH CHANDRA Not Your Grandmother's HII Regions Leisa Townsley Patrick Broos Eric Feigelson Gordon Garmire Konstantin Getman Junfeng Wang The Penn State Chandra/ACIS Star Formation Group Orion: Chandra Orion Ultradeep Project (COUP, PI Feigelson) 2005, ApJS 160 30 Doradus diffuse: Townsley et al. ... 14 O stars, several form a 1 ring. 15 в 15 2MASS image The 40-ksec Chandra/ACIS-I observation of M17 (17 в 17): 0.5­2 keV; 2­8 keV. ...

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• Arunav Kundu
• HST this week: 252
• HST this week: 268

... Special Reports Giant space cloud may be powered by black holes 17:57 23 April 2007 NewScientist.com news service David Shiga An enormous cloud of roiling plasma in space may be drawing its energy from black holes, new observations suggest. Such clouds might be sources for the mysterious particles that occasionally crash into Earth's atmosphere at ultra - high speed. ... But higher energy particles in the cloud may be able to escape, he says. ...

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• http://www.naic.edu/~gibson/m42/m42_HST.txt
• Pulsar Highlights - A Dozen new MSPs in Globular Clusters
• ALFALFA Dark Cloud

... 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. ...

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• Dept. for Physics of Stars&Galaxies
• The Laboratory of Astrometry

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 . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...

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• Galaxy Lunch
• ATNF Daily Astronomy Picture

... This image shows a 7th magnitude star cluster, it's reflection nebula, an extended diffuse nebula and Barnard Dark Nebulae. The bright star at the top is omicron Persei (Atik). The cluster next to Atik is a star forming region with as many as 300 stars ranging from the brightest at B5 to low mass brown dwarfs. ... The obscuring dark areas are the Barnard Dark Nebulae 1 through 4. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Science . ... The goal is to bring together two communitities: the one working on star formation (mostly galactic) and the one working on the formation of young massive clusters (mostly extra-galactic). We will link galactic with extra-galactic work, optical/NIR techniques with sub-mm/mm/radio ones, the formation of stars with the one of massive star clusters - observations and theory. ... Coordinated by Marina Rejkuba (abstract) . ... How did star formation proceed in Globular Clusters? ...

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• Properties of Young Massive Clusters | ESO
• Massive Cluster of Galaxies RXCJ1206.2-0848 | ESO
• Properties of Young Massive Clusters | ESO Ireland

Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries . Two different types of stellar BH formation exist: (1) direct core collapse   of a massive star and (2) AIC of a NS. A BH of the first type presumably will have a mass comparable to that of the collapsing star and can be born both from a single star and in a binary system. ... Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries Mike E. Prokhorov . ...

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• Seminars
• Massive X-ray Binaries
• Binary Radiopulsars with Black Holes

... 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. ...

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• Phil Plait's Bad Astronomy: Mad Science

Structure Formation : Bright side of the Universe Anatoly Klypin New Mexico State University Also: Stefan Gottloeber (Astrophysikalisches Institut Potsdam) Gustavo Yepes (UAM, Madrid) Cosmological ... -body+hydro simulations Codes: SPH + TREE AMR + shock capturing hydro Physical processes: Compton cooling/heating on CMB Radiative gas cooling Star formation with simple approximations Metal enrichment Energy/momentum feedback from young stars and SN Galaxies too concentrated. ...

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• http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt
• Results scientific researchs 24
• Results scientific researchs 21

... 2000: . The images and maps of polarization for a massive protostar S140 IRS1, immersed in a dark molecular cloud were obtained at the 6-m telescope using speckle interferometry in the infrared 2.2 micron band. According to the structure of the flocky envelope around the nascent star it was found that the bright emission was caused by the reflection of radiation from the inner walls of the cavity formed by a powerful molecular outflow from the protostar. ... Archive . ...

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• Evidences of supercritical accretion onto black hole in SS433
• articles_flera_en
• New LBV Stars in the Andromeda Galaxy