... It was mealtime in galaxy cluster Abell 3827. ... The Sun Erupts . ... The Sun is a seething ball of extremely hot gas. ... Red stars are cool, around 3,000 kelvins (K), while blue stars are hotter and can have temperatures over 30,000 K. Our own lovely yellow Sun's temperature is a comforting 6,000 K. Hydrogen Trifid . ... This cluster is loaded with gas and dust rich, star forming, spiral galaxies but has relatively few elliptical galaxies, which lack gas and dust and the associated newborn stars....

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... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• The Star-Forming Histories of the Nearst Dwarf Galaxies
• Star-Forming Histories Based on Deep Redshift Surveys

... It has been a pleasure to put together our first newsletter issue for the year; as usual we have reports covering a wide variety of subjects. ... The discovery at Parkes of the first direct detection of stimulated emission in our Galaxy in the form of pulsed maser emission is reported by Joel Weisberg and forms our cover article in this issue. ... On page 10 Maxim Voronkov reports the discovery of new examples of the rare methanol maser line transitions at 104.3 GHz and 9.9 GHz. ...

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• Evolutionary Paths in Galaxy Morphology
• ATNF Colloquium
• Galaxies in the Local Volume

... 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. ...

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• February 2003 | Astronomy.com
• What are carbon stars? How do they form? | Astronomy.com
• If a supernovaт??s original star is massive enough to form a black hole, why is

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

... 2004 January 20 . Unexpected Galaxy String in the Early Universe . ... Explanation: How could such a long string of galaxies form so early in the universe? Several new measurements of galaxies and clusters in the early universe are reporting structures involving galaxies and clusters that are larger than expected with the new standard "dark-energy" cosmology . The controversy centers on the inability of a dark-energy dominated universe to create such large structures. ... About APOD | ...

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• APOD: February 14, 1997 - NGC 1818: A Young Globular Cluster
• APOD: 2011 February 25 - NGC 4449: Close up of a Small Galaxy
• APOD: 2004 February 5 - NGC 1569: Starburst in a Small Galaxy

... 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....

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• Zooming in on the Hercules galaxy cluster | ESO
• Panning across on the Hercules galaxy cluster | ESO
• ESO - Annual Reports Submission Form

Date when RFI was seen(dd/mmm/yyyy): . Time in Ast when RFI was seen: . Observer's Name: . Observer's Email_Id: . ... Receiver Name: . RFI characteristics(if you need help go to http://www.naic.edu/~rfiuser) . ... No Yes Unknown . ... Contacts . Have you made any contacts? No Yes . ... Name of the person contacted: . Organization of contact : . ... You may enter additional handwritten notes below. ...

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• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
• The Evolution of Galaxies through the Neutral Hydrogen Window The Evolution of
• AGES - the Arecibo Galaxy Environment Survey

... Staff . ... Galaxies, AGN, Cosmology . ... Star formation . ... Galaxy archaeology over the last 7 billion years . The stellar populations in galaxies can gain us insight into galaxy evolution. ... The increase of passive galaxies and the decrease of star-forming galaxies from early times to the present-day indicates that the overall star formation activity has declined and galaxies have been transitioning from the active to the passive phase at a fast rate since about 8 billion years ago. ...

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• A new survey of X-ray clusters of galaxies with the Swift-X-ray Telescope
• Technical reports
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... We have made observations of the Perseus cluster with the Westerbork Telescope at 610 MHz. ... Several newly detected sources are identified with cluster galaxies. ... No evidence is found for the existence of the previously reported ~ 65'x25' cluster halo, 3C 84B. Key words: radio galaxies - clusters - tailed radio sources buoyancy The Perseus Cluster of galaxies is one of the most fascinating systems accessible to extragalactic astronomers. ...

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• ESO-MIDAS Problem report Form
• Documentation: LEDA: parameter:
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... Updated 2003 December 18th . ... Updated 2003 December 15th . ... Updated 2003 December 2nd . ... Updated 2003 November 21st . ... Updated 2003 June 27th . ... Updated 2003 June 20th . ... Updated 2003 June 5th . ... Domes Restoration Project Update . Updated 2003 June 3rd . ... Updated 2003 June 2nd . ... Web Site Statistics . ... Updated 2003 January 31st . ... Updated 2003 January 27th . ... Updated 2003 January 23rd . ... Updated 2003 January 13th . ... Updated 2003 January 8th . ...

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• Astronomy Today and the Role Played by the Hubble Space Telescope: Wednesday 17
• Sakurai?s Object (V4334 Sagittarii)
• The Irish Times Reports: Midnight takes us into year to mark the telescope |

... Moscow, Russia . ... March-October 2000 . ... Gusev A.S. Multicolor CCD Photometry of Six Lenticular and Spiral Galaxies. ... Gusev A.S., Park M.-G. Structure and stellar population of ringed barred galaxy NGC 2336 // Astronomy and Astrophysics, 2003, V.410, P.117-129. ... Gusev A.S. Photometric Properties of Bars in Galaxies // Astronomy Reports, 2000, V.44, N9, P.579-591. ... Gusev A.S. BVRI CCD Photometry of Pecular Galaxies NGC 5605 and NGC 5665 // Astronomy Reports, 2000, V.44, N9, P.569-578. ...

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• List of publications
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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: Astronomy Education: A Selective Bibliography
• ASP: Science Fiction Stories with Good Astronomy & Physics
• ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way

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). ...

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• http://www.mso.anu.edu.au/seminars/abstracts/20150220-1400.html
• http://www.mso.anu.edu.au/seminars/abstracts/20150605-1400.html
• Designated Observatory Registry

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 . ...

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• The Galaxy Gallery Page IX: Clusters of Galaxies
• Dark Matter in the Universe
• Astro-2 and the UIT Experiment

Supernova 2002bu in NGC 4242 . This page is devoted to information on Supernova 2002bu in NGC 4242 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. This is a type IIn supernova found in a galaxy which is in Canes Venatici. ... Mag . ... 2002/03/28.26 . ... A Leroy image . ... SUPERNOVA 2002bu IN NGC 4242 . ...

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• Supernova 1999gi in NGC 3184
• Supernova 2000cz in IC 1535
• Supernova 2001ib in NGC 7242

... Stephen G. Bowen (CAPTAIN, USN) . ... NASA EXPERIENCE: €а Bowen is the first Submarine Officer selected by NASA in July 2000 as a mission specialist.€а He reported for training at the Johnson Space Center in August 2000.€а Following the completion of two years of training and evaluation, he was initially assigned technical duties in the Astronaut Office Station Operations Branch.€а A veteran of three spaceflights, STS-126 in 2008, STS-132 in 2010, and STS-133 in 2011, €аBowen has logged ...

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• Astronaut Bio: H. Stefanyshyn-Piper (2/2009)
• Astronaut Bio: Bruce McCandless II
• Astronaut Bio: Robert Curbeam (12/2007)

... Shustov B.M., Wiebe D.S. Dust expelling from the Galaxy ( abstract from the journal ). Astronomy Reports , 1995, 39 , 578-586 [AZh, 72 , 650-659]. Wiebe D.S., Shematovich V.I., Shustov B.M. Chemical and dynamical evolution of protostellar clouds: initial stages of collapse ( abstract from the journal ). ... Shustov B.M., Wiebe D.S., Tutukov A.V. Evolution of disk galaxies and loss of heavy elements into the intracluster medium. ... ApJ (Letters), 1998, 503 , L71-L74 ( astro-ph/9806155 ). ...

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... 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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• Science - Page 2
• R - Page 28
• Dept. for Physics of Stars&Galaxies

These links highlight 2008 - current ARC projects for telescopes, instruments, or operations at Apache Point. ... Eyepiece: April 10, 2009 . Painted Enclosure: April 23, 2009, Part A , Part B . Drive Maintenance: July 24, 2009, Part A , Part B , Part C , Part D , Part E , Part F , Part G . ... New Interior Photos: March 14, 2014 . TripleSpec Electronics Mount: March 05, 2008: Part A , Part B , Part C . ... TripleSpec: October 30, 2008 . ... GFP Upgrade: December 8, 2010 . ...

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• APO Home Page
• TPM log files