In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• The Galaxy Gallery: Messier Objects
• Galaxy Gallery Page III

... Bright Spiral Galaxy M81 in Ultraviolet from Galex . ... Harvard CfA ) Explanation: Where are the hot stars in M81, one of the closest major spiral galaxies? To help find out, astronomers took a deep image in ultraviolet light of the sprawling spiral with the Earth-orbiting Galex telescope . ... Magnificent spiral galaxy M81, slightly smaller in size to our own Milky Way Galaxy , shows off its young stars in its winding spiral arms in the above image . ... Bright Spiral Galaxy M81 from Hubble . ...

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• M64: The Black Eye Galaxy
• Galaxy, Stars, and Dust
• Астронет > Bright Spiral Galaxy M81 in Ultraviolet from Galex

The 1000 Brightest HIPASS Galaxies: HI Properties . ... These belong to 91 new sources for which no optical or infrared counterparts have previously been cataloged, an additional 51 galaxies for which no redshifts were previously known, and 16 galaxies for which the cataloged optical velocities disagree. ... J0001-15, ( ps eps , jpg ) J0035-25, ( ps eps , jpg ) J0105-06, ( ps eps , jpg ) J0221-20, ( ps eps , jpg ) . ... The 1000 Brightest HIPASS Galaxies: Newly Cataloged Galaxies . ...

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• HIPASS Bright Galaxy Catalog
• The HIPASS Bright Galaxy Survey
• The NGC 6221/15 Galaxy Group

A press release on the Canadian Galactic Plane Survey was associated with this poster. ... Below are maps of HI emission, HISA, and 12 CO emission in the eastern 25% of the survey, given as projections along the velocity ( Figure 1 ) and latitude ( Figure 2 ) axes. ... 2000, A. J. , submitted . ... GIF | ... We are developing automated methods of locating HISA in velocity cubes by removing large-scale emission in space and velocity and flagging small-scale dark residuals. ...

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• I-GALFA Reveals Dynamic Events in Our Galaxy
• HISA Poster for the 33rd Annual Meeting of CASCA, May, 2002
• HISA Poster for the 197th Meeting of the AAS, January, 2001

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

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... HST Phase II Proposal Instructions for Cycle 20 > Chapter 3: Fixed and Generic Targets > 3.3 Target Category and Target Description [Description] . ... Each target must be assigned a single primary category from Table 3.2 , and at least one descriptive keyword , chosen from the appropriate Table 3.3 through Table 3.9 (see Table 3.2 for which table is appropriate for each category). ... Table 3.3: Descriptive Keywords for STAR and EXT-STAR . ... Table 3.6: Descriptive Keywords for CLUSTER OF GALAXIES...

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• Starburst and Galaxy evolution
• Cool dust heating and temperature mixing in nearby star-forming galaxies
• Surface Brightness Parameters from Deconvolved PC Images of Elliptical Galaxies

... 2002 June 20 . Bright Galaxy M81 . ... Explanation: Big and beautiful spiral galaxy M81 , in the northern constellation Ursa Major , is one of the brightest galaxies visible in the skies of planet Earth. This superbly detailed view reveals its bright nucleus, grand spiral arms and sweeping cosmic dust lanes with a scale comparable to the Milky Way . ... The errant dust lane may be the lingering result of a close encounter between M81 and its smaller companion galaxy, M82 . ... About APOD | ...

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• Type of Galaxies.
• APOD: 2007 May 15 - Bright Spiral Galaxy M81 in Ultraviolet from Galex
• APOD Index - Galaxies: Local Group

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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• A unique isolated dwarf spheroidal galaxy KKR25
• Measurement of the dark halo shape in polar ring galaxies
• Galaxy sector, archive 2009

... ftp://www.kusastro.kyoto-u.ac.jp/pub/cgmw/ : This catalog, giving about 7000 galaxies behind the Milky Way between l = 210 degrees and 250 degrees, represents a systematic search for galaxies by means of 32 film copies of the UK Schmidt Southern Infrared Atlas on the Milky Way covering about 900 square degrees. ... Japan, Vol. ... This will be distributed upon request from Astronomical Data Analysis Center of the National Astronomical Observatory of Japan and other astronomical data centers. ...

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• Emission-line galaxies
• A 20 cm VLA survey of Abell clusters of galaxies
• Absorption-line galaxies

GALACTIC SILHOUETTES This new image from NASA's Hubble Space Telescope and its Wide Field Planetary Camera 2 (WFPC2) shows the unique galaxy pair called NGC 3314. Through an extraordinary chance alignment, a face-on spiral galaxy lies precisely in front of another larger spiral. ... The bright blue stars forming a pinwheel shape near the center of the front galaxy have formed recently from interstellar gas and dust. ...

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• A Bright Ring Of Star Birth Around A Galaxy's Core (PR98-21)
• APOD: July 10, 1998 - Interacting Galaxies
• APOD: December 18, 1999 - Irregular Galaxy Sextans A

Next: Gravitational Wave Background from Previous: Galactic Gravitational Wave Background . ... It is intuitively clear that at frequencies above the critical ones for our Galaxy, one will detect rare bright jerks produced by coalescing white dwarfs ? (at a rate of 1 per 100 year) and NS (at a rate of 1 per - year) in our Galaxy, against a background of the extragalactic stochastic GW. ... Firstly we consider GWB from close individual galaxies, and then will discuss overall extragalactic GWB. ...

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• Gravitational wave background from nearby galaxies
• Gravitational Wave Background from Individual Galaxies
• Gravitational Waves from Coalescing Compact Binary Stars

... In collaboration with Drs Van Genderen (Leiden, Holland) and Sterken (Brussels, Belgium) papers XV and XVI in the series `Light Variations of Massive Stars' were published. These dealt with the brightness variations of several massive stars in the two nearest neighbour galaxies, namely six stars (R85, R99, R103, R110, R123 and R128) in the Large Magellanic Cloud (LMC) and two (R42 and R45) in the Small Magellanic Cloud (SMC). ...

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• Black Holes

... О Далекой Галактике . ... Теперь в Далекой Галактике вы всегда можете увидеть свежие фотографии Солнца. ... Форум . Форум "Далекой Галактики" - прекрасное место для общения всех астрономов. ... Новости из космоса . ... Подписаться на новости Далекой Галактики Вы можете здесь: . ... Новости из Далекой Галактики - популярно об Астрономии . ... Если вы хотите выразить свое мнение о сайте "Далекая Галактика", или просто почитать мнения других посетителей - пожалуйста, заходите в Гостевую книгу . ...

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... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

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• Extragalactic Astronomy

... The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2 s -1 . ... 1S We present a summary of an identification program of the more than 2000 X-ray sources detected during the ROSAT All-Sky Survey (Voges et al. 1999) at high galactic latitude, |b| > 30degr , with countrate above 0.2 s -1 . This program, termed the ROSAT Bright Survey RBS, is to more than 99.5% complete. ...

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• Search for distant radio galaxies in SAO
• Publications

. Back to A.Zasov's homepage.

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Milky Way X-ray background emission ? ?: , . ... RXTE , . ... Using near-infrared Galaxy intensity measured with COBE/DIRBE experiment and X-ray data from RXTE and INTEGRAL it was shown that X-ray brightness of the Galactic background emission closely follows its stellar density and can be explained by a cumulative emission of a large number of weak Galactic X-ray sources. ... Map of Galactic background emission in hard X-ray energy band obtained with INTEGRAL observatory. ... 2006, &, 452, 169 ., ...

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• INTEGRAL 9-year Galactic Survey
• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN
• Second Spectrum-RG/eROSITA Conference

... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Deep Sky Gallery by Ed Fox ? Amateur Astronomers Association of New York
• Astro-Imaging ? Page 8 ? Amateur Astronomers Association of New York
• Astro-Imaging ? Page 14 ? Amateur Astronomers Association of New York

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Starbursts are short-lived events, stars are forming so quickly that the reservoirs of interstellar gas from which stars are coalescing would be used up on a timescale much shorter than the age of the galaxy . ... Strong stellar winds from giant new stars in the starburst region combine with the blasts of supernovae to push a mighty flood of extremely hot gas, a ?superwind? from the galaxy thousands of light years into intergalactic space. ...

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• WLM Galaxy: a Cosmic Living Fossil | Astronotes
• The Only Joke in Astronomy | Astronotes
• Our Galaxy | Astronotes

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE ANCIENT UNIVERSE . c) The Age of Light from the Most Distant Galaxies: The "Time Machine" Effect . ... Thus we are actually seeing these galaxies not as they are today, but as they were billions of years ago. ... The Universe: An Overview | ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

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• ASP: Book Review
• ASP: NGC Images on the Net
• ASP: Beacons in the Gloom