Gradients in the Temperature of CMBR M. MELEK Cairo University, Egypt. A nonconventional approach is developed to nd the primordial angular gradient in the temperature of the Cosmic Microwave Background Radiation. It is found that it depends on the nowadays recent detected value of the angular gradient in the temperature of the CMBR, di erent rates of universe's expansion through its di erent phases and the cosmic time period of each phase. ... M.Melek, Astrophys. and Sp. ...

. Секция «Солнце» . Предварительная повестка дня . Пятница,   29 мая . 14:00–14:15 А. И. Подгорный, И.М. Подгорный.   Солнечная вспышки – модель и сравнение с наблюдениями. 14:15–14:30   Ю .В. Думин , Б.В. Сомов. Топологическое инициирование быстрого магнитного пересоединения . 14:30–14:45 П.А.   Грицык ,   Б.В. Сомов. Модель толстой мишени с обратным током и современные наблюдения солнечных вспышек. 14:45–15:00 Н.П.   Колесников, С.И. Безродных, Б.В. Сомов. Расчет течений плазмы в приближении сильного

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

... For eight samples of main-sequence disk stars, the metallicity indices 0.6 , R-1 (U-V), m1 ( ) have been calculated. The indices 0.6 and (U-B) have been calibrated to the metal abundance [Fe/H] for the spectral types F, G and K separately. ... It is found that the UBV and RI data for F- and K-dwarfs imply that the metallicity of the Sun coincides with that found for the Hyades, whereas the G-dwarfs give the well known smaller metallicity of the Sun with respect to the Hyades. ...

ATMoB "Double Star Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston ­ in particular, double, triple, and multiple stars. Introduction: Double, triple, and multiple stars are the "Rodney Dangerfields" of the night sky. ... W hile they can be observed under a variety of sky conditions, double stars ­ especially close ones ­ are best viewed on nights when the seeing is steady. ... The direction from a star to Polaris is north. ...

1 - entrance slit; 2 - off-axis collimator; 3 - flat mirror; 4 - grating (24 deg, 600 gr/mm); 5 - echelle grating (63.5 deg, 37.5 gr/mm); 6 - echelle grating (63.5 deg, 75 gr/mm); 7 - prisms (A=45 deg); 8 - corrector; 9 - flat mirror; 10 - spherical mirror; 11 - CCD camera . CEGS permits us to obtain high S/N spectra (100) of stars up to 7th magnitude in the "high-dispersion" mode (R~40000). ... Coude Echelle/Grating Spectrometer (CEGS) designed by F.A.Musaev (Sov. ...

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

Click here for a PDF version of Richard Berry's talk. Universe 2001: Results of Saturday Evening Imaging . ... Support data for calibrating the CCD consisted of eight bias frames and four 60-second dark frames. ... To rescue the images, we processed and registered the four 15-second integrations and the 60-second integration separately. ... The 60-second images were then registered to the composite of 15-second images to produce the image M11-COMBO.FTS. ...

... Limit of star magnitude. If you want to obtain best results, you should use reference stars not more dimly than limiting star magnitude of your telescope. Limiting star magnitude depends on time of an exposition also.) This value should be set as " maximum of star magnitude " in a dialog box " Extraction from catalogue". To find darkest stars in the frame, make the following: . ... Two star magnitudes (m1, m2 in two photometric systems) will be outputted in the window "Information". ...

... Single-crystalline eutectic oxide fibres are needed to reinforce metal, intermetallic and ceramic matrices to obtain high temperature composites. ... The method of internal crystallization was developed in Laboratory of Reinforced Systems of Solid State Physics Institute initially to produce oxide-matrix/molybdenum-matrix composites, which were considered mainly as model ones. ... Figure 1 . ... The oxide/molybdenum block is then moved to a cold zone of the furnace to crystallize the fibres. ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

. At 7:15 p.m. MST on the evening of March 16, longtime Astronomy magazine contributor Chris Schur obtained a more close-up image of Comet PANSTARRS than we've been receiving. He attached his Canon XTi DSLR to a 3.2-inch Zeiss apochromatic refractor at f/4.6. He set the ISO to 200 and took a 5-minute exposure from his home in Payson, Arizona. The comet still had a total integrated magnitude of 1.5. As a comparison, the two brightest stars in the image (to the upper right) shine at magnitude 6.3. Chris Schur

General Information . ... Local Information . ... The city represents great cultural value because in the late 19th and early 20th centuries, Kislovodsk as a fashionable spa attracted many musicians, artists, and members of the Russian aristocracy. ... Double room with full pension (breakfast, lunch, dinner) - 2620 rubles per person per night. solnechniy . ... Citizens of most countries need visa to enter the Russian Federation. ... Victor Kornilov, Sternberg Astronomical Institute (chair) . ...

... The history of star formation was successfully analyzed for the first time based on the spectra of the stellar population of dwarf galaxies of low surface brightness outside the Local Group. We have investigated the stellar population of two dwarf spheroidal galaxies KDG61 and KDG64 in the central part of a close group of galaxies M81. ... These galaxies are dominated by the old stellar population (12-14 billion years) of low metallicity ([Fe/H] ~ -1.5). ... KDG61 . ... KDG64 ...

... Sun images . ... September : 2013 . ... Image of Sun's chromosphere obtained 09.09.2013 at 07:12 UT in Kanzelhoehe Solar Observatory (Austria) . ... Image of Sun's photosphere obtained 09.09.2013 at 23:47 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's magnetic field obtained 09.09.2013 at 23:47 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's transition region obtained 09.09.2013 at 23:39 UT with AIA instrument on board SDO spacecraft . ... Image of solar wind...

On April 14, 2000 UT a series of Shack-Hartmann measurements were made at varying altitudes. ... The tilts and sags shown are those given by the normal Shack-Hartmann analysis. ... Without this feedback, off-telescope tests showed positioning errors on the order of 10 arcseconds in the secondary mirror position. ... Tilt M2 Bk by X" . ... The coefficients m1 through m3 need to be added to those that are currently in the TCC to correct for the secondary translation with respect to the primary. ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

This diagram illustrates the effects of absolutely positioning a box ("inner") with respect to a containing block established by a relatively positioned ancestor ("outer"). ... The "inner" box has been positioned relative to the top and left edges of the "outer" element's first inline box. ... The reference edges for positioning the "inner" box are indicated in the diagram by thick dashed lines. ... 1 Beginning of body contents.| ... 4 [(+200, -100)] 5 Inner 6 contents. ... Inner contents" is blue. ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Bruce, You Are Offensive, Anonymous, And No Longer Respected . Forum List | ... Post Message | ... Pearson.. - bruce - November 3, 2002 - 07:27 UTC . ... 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" . ...

... GRB060712 ( GCN5303 ) The first R image was at 2006-07-12 21:10:32 UT, 72 s after notice time and 212 s after the GRB time. ... HETE Alert 4006 ( GCN 4549 ) - MASTER promt optical limit time . ... GCN 4173 | ... GRB050410 ( GCN 3221 5 h after Swift GRB trigger time . ... GRB05017 ( GCN 2954 19m at between 2h and 4h after Swift GRB trigger time (first Swift GRB with X-ray promt observation) . GRB05017 ( GCN 2953 17m at 2h after Swift GRB trigger time (first Swift GRB with X-ray promt observation) . ...