... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

The high-redshift radio-loud quasar PKS 2126-158 is found to have a large number of red galaxies in close apparent proximity.We use the Gemini Multi-Object Spectrograph (GMOS) on Gemini South to obtain optical spectra for a large fraction of these sources. We show that there is a group of galaxies at z 0.66, coincident with a metal-line absorption system seen in the quasar s optical spectrum. ... All confirmed members exhibit early-type galaxy spectra, a rare situation for a MgII absorbing system. ...

... Latest Supernovae . ... Sorted by Name For the years covered, 7501 supernovae and 114 extragalactic novae were reported. 378 of these supernovae were named by CBAT, 1714 were given possible supernova designations, and 5409 were not reported to CBAT. 220 supernovae were found in NGC/IC galaxies, 875 were found in named galaxies 343 objects were discovered by amateurs 4 were brighter than 13th Magnitude 208 were brighter than 16th Magnitude 1080 were brighter than 18th Magnitude 1349 ...

... Indeed, one alteration of orbits can be the outright ejection of a planet. When several big planets are orbiting a star under each other's influence, the system is inherently unstable. ... We know of no good reason why the smallest objects with fusion should have the same mass as the smallest objects that can form by themselves. ... 6) Mission Definition . ... I don't think this mission is impossible, and will suggest a definition in a future article in Mercury. ... Good luck! . ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... seeing Southern Deepsky Objects In USA . Forum List | ... Post Message | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... 50 Weirdest Objects . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... weirdest objects . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

... Mingaliev M.G., Bogdantsov A.V. Submitted by author (Yu.Yu.Kovalev, 08-Aug-2000) ---------------------------------- J/A+AS/139/545 1-22 GHz spectra survey (Kovalev+, 1999) ================================================================================ Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic ... 90.1599P) VLBI survey and contains all the sources in the declinations between -30 and +43 degrees with a correlated flux density exceeding 0.1 Jy at 13...

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

. Go to RUSSIAN (KOI-8) . Spectrograph optical schem: . 1, 15, 16 and 17 - A comparison spectrum system (prizm, filter, objective and spectral lamp); 2 - slit (width is adjustable); 3 - shutter; 4 - filter; 5 - collimator; 6 - flat mirror; 7 - grating; 8 and 9 - Schmidt camera; 10 - CCD; N2 - cryostat; 11 - flat mirror; 12 - objective; 13 - lense; 14 - TV-guide . Back to LSS main page. Back to Laboratory Home Page.

... July 31, 1997 . Behind CL1358+62: A New Farthest Object . ... At one tenth the universe's present age , we might see galaxies forming . But what did galaxies look like when they were forming? ... In technical terms, this galaxy lies at the record redshift of z=4.92. Practically all of the yellow-white objects in the photograph are galaxies in a nearby cluster which together act as a lens in amplifying the light from the ancient galaxy. ... About APOD > . ...

... Behind CL1358+62: A New Farthest Object . ... Credit: M. Franx ( U. Groningen ) G. Illingworth ( UCSC ), WFPC2 , HST , NASA Explanation: What if we could see back to the beginning of the universe? At one tenth the universe's present age , we might see galaxies forming . ... Публикации с ключевыми словами: далекие галактики - гравитационная линза - Скопление галактик . Публикации со словами: далекие галактики - гравитационная линза - Скопление галактик . ... Скопление галактик в Геркулесе . ...

... NED Home . ... Redshift: Between 0.150000 and 0.270000 . Include ALL Object Type: QSO Radio . ... Number of Essential Note) RA DEC Type km/s z Qual arcmin Refs Notes Phot Posn Vel/z Assoc Images 1 30000 0.228000 0.0 26 0 8 3 0 0 Retrieve 2 30000 0.181000 0.0 5 0 4 1 0 0 Retrieve 3 30000 0.171000 0.0 67 1 1 0 0 0 Retrieve 4 30000 0.260000 0.0 90 1 16 5 0 0 Retrieve 5 30000 0.163009 0.0 170 10 5 4 3 0 Retrieve 6 30000 0.245000 0.0 27 1 1 2 1 0 Retrieve 7 30000 ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

... Radiation mechanisms of astrophysical objects: classics today . ... Saint-Petersburg is the 2n d largest city in Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea. Founded in 1703 by Tsar Peter the Great Saint Petersburg was the imperial capital of Russia until 1918. The meeting will be held in the Conference Hall of historical building of the Saint-Petersburg State University - Twelve Collegia. ... Conference program . ... Conference location . ...

... My research interests include the compositions of extrasolar rocky objects and the fate of planetary systems around white dwarfs. ... This process often creates a hot dust disk very close to the white dwarf. Measuring the atmospheric compositions of externally-polluted white dwarfs can provide unique information about the composition of those extraterrestrial material. ... Circumstellar Environment around White Dwarfs . About 4% white dwarfs display excess infrared radiation from a dust disk. ...

The picture above was made with this demo POV file and this shower valve object POV file . This object is loosely based (visual, no measurments) on the SigmaTherm thermastatic shower valve by Sigma Faucets. It consists of a temperature adjustment, and two valves for controlling a tub filler and showerhead (for example). ... The valve lies on the Z=0 plane, and extends out in the positive Z direction, by 2.86 units to the central knob. ... The back plate of this valve is 8 units in diameter. ...

... We have measured this "redshift" for the pink black holes, and allowed for it in our calculations. ... We see this effect in the emission from gas around these pink black holes, but it is far too small an effect to account for the pinkness. Thus the swirling motions of gas around or into the black holes cannot produc the colour. ... At first we thought that these things were normal blue black holes hidden behind clouds of interstellar dust, that absorbed the blue light and made them appear pink. ...

... Each point shows the 1 sigma photometric errors and the time span covered by the data; the dotted lines are the 3 sigma limits of each image. ... The solid thick lines are a fit obtained from a K-corrected, time-dilated SNIb light curve at z= 0.95 with tmax=34.0, E(B-V)=0.04 and omega=0.1. ... The three images on the left are the total HDF-N images by Williams et al. 1996 with a pixel scale of 0.04 arcsec/pixel. ... Each image is labelled by the filter and the time range of the observations in days....