Astronomy Picture of the Day . ... Credit Copyright: STSci Digitized Sky Survey, Anglo-Australian Observatory Explanation: The closest star system to the Sun is the Alpha Centauri system . Of the three stars in the system, the dimmest -- called Proxima Centauri -- is actually the nearest star . The bright stars Alpha Centauri A and B form a close binary as they are separated by only 23 times the Earth - Sun distance - slightly greater than the distance between Uranus and the Sun . ...

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• Surreal Moon
• Астронет > Alpha Centauri: The Closest Star System
• Bright Cliffs Across Saturns Moon Dione

... 2011 July 3 . Alpha Centauri: The Closest Star System . ... Explanation: The closest star system to the Sun is the Alpha Centauri system . ... The bright stars Alpha Centauri A and B form a close binary as they are separated by only 23 times the Earth- Sun distance - slightly greater than the distance between Uranus and the Sun . ... By an exciting coincidence, Alpha Centauri A is the same type of star as our Sun , causing many to speculate that it might contain planets that harbor life. ...

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• APOD: 2003 March 23 - Alpha Centauri: The Closest Star System
• APOD: May 26, 1996 - Alpha Centauri: The Closest Star System
• APOD: 2014 August 14 - Surreal Moon

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...

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• ASP: Contents, July/August 2001
• ASP: Contents, July/August 2003
• ASP: Contents, July/August 2000

... What's New? Bad Astronomy . ... August 24, 2005 . ... That says Mars will be closer to the Earth on August 27th than it has in 5000 years, and it may be 2267 until it gets this big again? ... Mars won't be closest in August, it won't be as big as the full Moon, and it was actually closer back in 2003. ... It's a near-exact duplicate of an email sent around the internets back in 2003, August 2003 , to be exact, when Mars really did have a close apparition with the Earth. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions: Does the Venus Transit Cause...
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science

... Solar System . ... Milky Way . Stars . ... Blue-white Vega is of course one of the brightest stars in our night sky lying about 25 light years from us in Lyra. ... Also in Lyra is the double star Beta Lyrae (Sheliak). This is in fact a close eclipsing pair of B-class stars about 960 light years from the Sun and was only the second eclipsing binary system to be discovered after Algol. ... Planet of Beta Lyrae (from The New Challenge of the Stars by Patrick Moore & David Hardy 1977) . ...

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• Kepler 36b and c: Too Close for Comfort | Astronotes
• See a Nova in Delphinus Tonight! | Astronotes
• Wonders of the August Sky | Astronotes

... ATNF Home . About ATNF . ... 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 . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Publications
• Introduction to Binary Stars
• The Astronomical Society of Australia

... Extended Narrow-line Emission in the Bright Seyfert 1.5 Galaxy HE 2211-3903 Scharw chter, J. , Dopita, M.A., Zuther, J., Fischer, S., Komossa, S., Eckart, A. 2011, AJ, v. 142, Issue 2, August 2011, pp. ... The nearby QSO host I Zw 1: the stellar disk and adjacent objects Scharw chter, J. , Eckart, A., Pfalzner, S., Saviane, I., Zuther, J. 2007, A , v. 469, Issue 3, July III 2007, pp. ... Krips, M., Eckart, A., Neri, R., Zuther, J., Downes, D. Scharw chter, J. 2005, A , v. 439, Issue 1, pp. ...

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• C/2006 P1 (McNaught)

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory, 11 June 2015: Armagh Observatory reports that the next two weeks will provide an interesting opportunity to observe the brightest planet, Venus, and the largest planet, Jupiter, as they move towards one another in the evening twilight. ... The image shows the sky view towards the West at around 11pm on 20 June 2015. ... Professor Mark E. Bailey, Armagh Observatory, College Hill, Armagh BT61 9DG. ...

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• Terry Mosely's Bulletins
• Refereed Journal Publications 1999
• First Observation of a Close Earth-Approaching Near-Earth Asteroid Using the

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

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... Science . ... Science Users Information > Science Publications > Archive of the ESO Enews > ESO-Enews #10: August 2008 . ... APEX . ... Phase 1 Proposals . ... Data Handling and Products . ... Science Data Products Forum . ... The Call for Proposals for observations at ESO telescopes during Period 83 (1 April 2009 - 30 September 2009) has been released. ... The full Call for Proposals and the ESOFORM electronic submission package can be obtained at http://www.eso.org/observing/proposals/index.html ....

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• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• ESO - ESO-Enews #1: August 2006
• Science Archive Facility Home Page

... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...

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• FIRPO Publications
• APOD: August 7, 1998 - M65 Without Moth
• APOD: August 17, 1999 - A Crescent Sunrise

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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... ISC Kosmotras . ... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. ... Launch of Dnepr LV carrying Sich-2 and BPA-2 (State Space Agency of Ukraine), Nigeriasat-2 and Nigeriasat-X (SSTL, Great Britain), RASAT (Space Research Technology Institute of Turkey (TUBITAK UZAY)), EDUSAT (La Sapienza University of Rome, Italy), and Aprizesat-5 and Aprizesat-6 (SpaceQuest, USA) payloads is scheduled for 17 August 2011, at 10:12:20 decreed Moscow time (7:12:20 UTC). ...

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• New launch campaign started at Baikonur
• Successful launch of Dnepr launch vehicle performed on 17 August 2011
• Baikonur Cosmodrome

... Since moonshine is really reflected sunlight, the full Moon is on the average slightly brighter in mid-winter, when Earth is closest to the Sun. In addition, the distance of the full Moon also varies, due to the ellipticity ("eccentricity") of the Moon's orbit. On 22 December, 1999, the two effects combined to produce the brightest full Moon of the century. ... This year will be the first full moon to occur on the winter solstice, Dec. 22nd, commonly called the first day of winter. ...

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• Close-up of the Aurora
• The Scale of the Solar System
• INTERBALL Home Page

. To see a Russian version of this page click here . (Senior Researcher. Graduated from Moscow State University (MSU) in 1982, Ph.D. 1986, MSU) . A member of EAS and IAU. Fields of interest: hot massive stars, close binary systems: optical photometric and spectral observations, X-ray observations; ill-posed problems, X-ray astrophysics. My publications (ADS link) . Linux on CLEVO 8750 (old stuff) . Phones/addresses of my university mates graduated in 1982. E-mail: igor@sai.msu.ru .

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• Tatjana Khruzina
• Elena Seifina
• The Database of Close Binary Systems

Cameras, PwrMeter,and MultiMeter rfi August 27, 1999 5 FIGURE 3: Power meter birdie with door closed. Fri Aug 27 23:17:58 1999 phil Cameras, PwrMeter,and MultiMeter rfi August 27, 1999 4 FIGURE 2. ... Fri Aug 27 23:14:06 1999 phil Cameras, PwrMeter,and MultiMeter rfi August 27, 1999 3 FIGURE 1. 5aug99 doors open, turning various devices on/off. Thu Aug 26 18:04:22 1999 phil Cameras, PwrMeter,and MultiMeter rfi August 27, 1999 2 turned off and the integration continued for 6 more minutes. ...

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• Radar Images of asteroid 1998 ML14
• Asteroid 1998 ML14 1998 Aug 14-17
• The Pleiades

Using the 1-m telescope at Ritter Observatory, we took 36 observations of \zeta$^2$ Coronae Borealis with a fiber-fed echelle spectrograph. From these observations, \zeta$^2$ CrB was found to be a triple system and a new spectroscopic orbit was calculated. ... The inner binary`s center of mass (\zeta$^2$ CrB AB) describes a long-period single-lined variation identified with the outer binary. ... The inner binary possesses an essentially circular orbit $(e = 0.48)$. ...

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• COS Instrument Handbook
• Results
• Howard E. Bond's Home Page

... Additional training . ... TU-154 landed on Smyshlyaevka airfield for the first time of its history. ... This plane TU-154 should complete its aviation life as a training tool for students of Samara Aerospace University. ... Ruben Yesayan is the aircraft commander. ... But no one believes that this bright and brave man - Ruben Yesayan again will not sit at the wheel of Samara TU-154 his own favourite aircraft - as he admitted himself. Transportation of the plane on SSAU training airfield is ahead. ...

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• Language classes move Russia academics a step closer to PhD
• Timchenko Pavel Evgenevich
• Timchenko Elena Vladimirovna

... Meta Index / Home Page / Source Flagging Algorithms Any source either having a raw count-rate >= 80, or with quality flag bit 4 set (mod-8 pattern) is checked for "close" neighbours, which may be flagged. ... Check each source in the vicinity of the bright source . ... Compute the maximum distance for flagging the source from maxRad = max(exclusionradius, min(70.0, 35.0 * countTable(i) // 80.0) ) If the flagging is done by omdetect, the exclusion radius is determined from the algorithm at the end . ...

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• Analysis of extended sources or in the vicinity of moderately bright sources

The form on this Web page allows specifying a celestial position for which the full 4x4 degree NVSS FITS image is desired. ... Other services of the NVSS survey include: . ... NVSS Postage stamp (small FITS or jpeg file) server . direct ftp to NVSS 4x4 deg. FITS image and documentation server . NVSS source catalog and software ftp server - but please note that you will need to schedule an overnight job for a quiet time slot to download the 150Mb CATALOG.FIT file to avoid timeouts etc. ...

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• Publication List
• A gallery of interacting galaxies
• Publications