... The Hydra Cluster of Galaxies . ... Most of a cluster's mass , however, appears to be in a form too dark to see , as analyses of the distribution of X-ray light , gravitational lensing , and internal motions indicate. ... The Hydra Cluster of Galaxies, named for its home constellation , spans about ten million light years . ... Publications with keywords: Hydra - cluster of galaxies . Publications with words: Hydra - cluster of galaxies . ... Illusion and Evolution in Galaxy Cluster Abell 2667 . ...

Еще в разделе: (Показать все результаты (>138454) - www.astronet.ru/ )

• XWare > APOD

... 2001 April 16 . The Hydra Cluster of Galaxies . ... Explanation: The Hydra Cluster of Galaxies contains well over 100 bright galaxies - but perhaps fewer galaxies than might be expected from its mass. ... Most of a cluster's mass , however, appears to be in a form too dark to see , as analyses of the distribution of X-ray light , gravitational lensing , and internal motions indicate. ... The Hydra Cluster of Galaxies, named for its home constellation , spans about ten million light years . ...

Еще в разделе: (Показать все результаты (>8396) - www.sai.msu.su/ )

• APOD: 2004 January 20 - Unexpected Galaxy String in the Early Universe
• APOD: 2008 August 22 - Active Galaxy NGC 1275
• APOD: 2000 December 8 - Abell 1795: A Galaxy Cluster s Cooling Flow

... 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 (>8304) - www.arcetri.astro.it/ )

• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe
• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster
• APOD: December 13, 1997 - The Coma Cluster of Galaxies

... Tonight's Sky . ... Sky this Month . ... Astronomy for Kids . ... Hubble sees NGC 7090 т?? an active star-forming galaxy . ... This image portrays a beautiful view of the galaxy NGC 7090, as seen by the NASA/ESA Hubble Space Telescope. ... This image portrays a beautiful view of galaxy NGC 7090, as seen by the NASA/ESA Hubble Space Telescope. ... These structures trace the location of ongoing star formation, visual confirmation of recent studies that classify NGC 7090 as an active star-forming...

Еще в разделе: (Показать все результаты (>7117) - www.astronomy.com/ )

• Do globular clusters form in a galaxy's halo or migrate in from outside? If the
• active galactic nuclei | Astronomy.com
• The Very Large Array finds unexpected т??stormт?? at galaxyт??s core |

... 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 (>550) - www.mao.kiev.ua/ )

• Dept. for Physics of Stars&Galaxies

... ATCA remote observing . by Jacinta Delhaize ( University of Zagreb ) . Merry Christmas from the Galaxy Evolution group at the University of Zagreb! ... We spent the nice, RFI-free time collecting 2.1 GHz radio continuum observations of the XXL-South galaxy cluster field to do redshift evolution studies of active and star forming galaxies. ... In the above picture: Jacinta Delhaize and Nikola Baran ). | ... today * ATNF | ... ATCA | ...

Еще в разделе: (Показать все результаты (>18565) - www.atnf.csiro.au/ )

• The peculiar galaxy NGC 4258: A black hole candidate.
• ATNF Colloquium
• The Brightest Galaxies from HIPASS

We present Spitzer/Infrared Spectrograph (IRS) 5-21 ЮМm spectroscopic maps towards 12 regions in the Andromeda galaxy (M31). ... In line with previous results, polycyclic aromatic hydrocarbon (PAH) feature ratios (6.2 and 7.7 ЮМm features compared to the 11.2 ЮМm feature) measured from our extracted M31 spectra, except the nucleus, strongly correlate. ... The nucleus does not show any PAH emission but does show strong silicate emission at 9.7 ЮМm. ...

Еще в разделе: (Показать все результаты (>15532) - www.stsci.edu/ )

• Young, Ultraviolet-bright Stars Dominate Dust Heating in Star-forming Galaxies
• The Radial Distribution of the Interstellar Medium in Disk Galaxies: Evidence
• Active galaxies and black holes

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 (>1463) - www.astrosociety.org/ )

• ASP: Science Fiction Stories with Good Astronomy & Physics
• ASP: Beacons in the Gloom
• ASP: Mercury Summer 2011

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 (>2818) - www.armaghplanet.com/ )

• NGC4666: Secrets of a Starburst Galaxy | Astronotes
• A Spectacular View of the Lagoon Nebula | Astronotes
• WLM Galaxy: a Cosmic Living Fossil | Astronotes

... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Weekend Visits to the ALMA OSF . ... Survey Telescopes . ... Galaxies . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Active Optics . ... The Hubble Space Telescope . ... The main image, showing the nearby active galaxy NGC 1433, comes from the NASA/ESA Hubble Space Telescope. ... ALMA (ESO/NAOJ/NRAO)/NASA/ESA/F. Combes . ... NGC 1433 . ...

Еще в разделе: (Показать все результаты (>66544) - www.eso.org/ )

• The Active Galaxy NGC 4945 | ESO
• ESO - Newsletter December 2015
• The nearby active galaxy NGC 1433 from ALMA and Hubble | ESO United States

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . This year's annual Geminid meteor shower is active during the period December 7 - 17, with the peak of activity occurring during the night of December 13th/14th. The Geminid shower is currently one of the best of the major annual meteor displays, usually having a high number of relatively bright, medium-speed (130,000 km per hour) shooting stars. ... Last Revised: 2009 December 7th . ...

Еще в разделе: (Показать все результаты (>3066) - star.arm.ac.uk/ )

• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009
• Strong Gravity in the Vicinity of Supermassive Black Holes - by Eamon Scullion,
• Geminid Meteor Shower: 13 to 16 December 2008 | International Year of Astronomy

Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...

Еще в разделе: (Показать все результаты (>409) - zebu.uoregon.edu/ )

• Astro-2 and the UIT Experiment
• Low Surface Brightness Galaxy Gallery
• The Galaxy Gallery: Messier Objects

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

Еще в разделе: (Показать все результаты (>839) - hea.iki.rssi.ru/ )

... Research . ... A rare hybrid morphology radio galaxy . ... In this project we will be able to investigate the environmental effect on star formation and galaxy evolution in individual galaxies falling into the cluster through radio observations of active galactic nuclei (AGN). Current models of galaxy evolution regulate the star formation rates within the simulated galaxies by invoking radio-mode feedback from AGN. ... Julie.Banfield@anu.edu.au . ...

Еще в разделе: (Показать все результаты (>1382) - www.mso.anu.edu.au/ )

• COALA - Computational Astrophysics Laboratory
• GSAOI Disk Galaxies Science Page
• Research Interests

... Magnetic storms online . ... Geomagnetic activity forecast . ... December : 2015 . ... No magnetic storm is expected . From 2 December 2015 to 28 December 2015 the following magnetic storms and disturbances are expected: . December 06, 2015 geomagnetic disturbances . ... December 08, 2015 geomagnetic storm of level G1 (minor) . ... December 21, 2015 geomagnetic storm of level G2 (moderate) . ... December 16, 2015 geomagnetic storm of level G1 (minor) 2 December 2015 - 28 December 2015 . ...

Еще в разделе: (Показать все результаты (>19443) - www.tesis.lebedev.ru/ )

• Space weather forecast December 03, 2015
• Space weather forecast December 02, 2015
• Space weather forecast December 04, 2015

Martin Elvis, with sketch of quasar structure (copyright: Smithsonian Institution. from SI Research Reports .) ... Martin Elvis has supervised numerous students from many institutions. Students interested in working with Dr. Elvis should consult the CfA Predoc page , or send him an email (address below) . ... A model which combines all the main spectral features of AGN/quasars into a single structure. ... Elvis M. 2000, Astrophysical Journal, 545, 63 (Dec 10) (astro-ph/0008064)) . ... Elvis 1999. ...

Еще в разделе: (Показать все результаты (>3373) - hea-www.harvard.edu/ )

• The Chandra Multiwavelength Project (ChaMP)
• The AstroStat Slog Blog Archive A confession from a former ?keV? junkie (2.
• Aneta Siemiginowska - Home Page

Active Galactic Nuclei: from Central Engine to Host Galaxy ASP Conference Series, Vol. xxx, 2003 S. Collin, F. Combes, and I. Shlosman Hydrodynamic Simulations of Light Bipolar Large Scale Jets Martin Krause Max Camenzind Landessternwarte Heidelberg-Konigstuhl, 69117 Heidelberg, Germany Abstract. ... We nd that the jet bow shock undergoes two phases: First a nearly spherical one and second the well-known cigar- shaped one. ... It gets compressed into a smooth neutral shell (phase 2, t=3 Ma). ...

Еще в разделе: (Показать все результаты (>1997) - www.mrao.cam.ac.uk/ )

• http://www.mrao.cam.ac.uk/~tm419/downloads/Graduate_student_poster.pdf
• Galaxy Evolution: Cosmological evolution of star formation
• Bojan Nikolic -- 90 GHz Continuum Observations of Messier 66

I-GALFA Reveals Dynamic Events in Our Galaxy . S. J. Gibson, J.-h. Kang, B.-C. Koo, June 2009 . ... The white stripe marks the Galactic equator ( b=0 ). ... I-GALFA three-color H I image for FVW40.0+0.5, integrated over v lsr = -100 to -90 km/s ( red ), -90 to -80 km/s ( green ), and -80 to -70 km/s ( blue ). ... I-GALFA data reveal a complex tracery of loops, filaments, and blobs hundreds of parsecs above and below the Galactic plane, with isolated compact clouds extending even higher. ...

Еще в разделе: (Показать все результаты (>3470) - www.naic.edu/ )

• REU Science Area
• AGES - the Arecibo Galaxy Environment Survey

... We present a photometric and spectroscopic study of the unique isolated nearby galaxy KKR25. The isolated dwarf spheroidal (dSph) galaxy KKR25 was discovered by Karachentseva, Karachentsev Richter (1999, A , 135, 221) during the search of dwarf galaxies in the direction of the Local Void. In spite of its isolation KKR 25 has no gas and looks like a normal dwarf spheroidal system. ... This is the first known planetary nebula in a dwarf spheroidal galaxy outside the Local Group. ...

Еще в разделе: (Показать все результаты (>1379) - mavr.sao.ru/ )

• Multi-Spin Galaxies Conference 2016
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• RCJ0311+0507

... 773Veron-Cetty Veron . Quasars (brighter than absolute magnitude -23) 85221 . ... Active galaxies (fainter than -23) 21737 . VII/248 Quasars and Active Galactic Nuclei (12th Ed.) (Veron+ 2006) ================================================================================ Quasars and Active Galactic Nuclei (12th Ed.) Veron-Cetty M.P., Veron P. =2006A .. ... 374, 92 (Catalogue ) (11) Veron-Cetty M.P., Veron P., 2003, Astron. ...

Еще в разделе: (Показать все результаты (>1857) - www.sao.ru/ )

• A 20 cm VLA survey of Abell clusters of galaxies
• The very metal-poor local dwarf galaxies
• A candidate young galaxy?