... Bad Astronomy . ... Bitesize Astronomy . ... The next step up are true clusters, called open clusters . Open clusters (sometimes misleadingly called "galactic clusters") are groups of stars ranging in size from a few dozen stars up to tens of thousands. ... The youngest is about 1 or 2 million years old, while the oldest is about 6 or 7 billion years, making it just older than our own solar system. ... So by looking at the stars in the cluster we can tell pretty well how old they are. ...
... STELLAR DYNAMICS: FROM CLASSIC TO MODERN . ... Sobolev Astronomical Institute, Saint Petersburg State University, Russia . ... The proposed meeting is being organized by the St.Petersburg State University, assisted by an international Scientific Organizing Committee, and marks the centennial of Professor K.F.Ogorodnikov's birth. ... The conference will be organized by the Sobolev Astronomical Institute of St.Petersburg State University in the building of the Faculty of Mathematics and Mechanics. ...
... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...
Russian . ... Very Early Universe: inflation, generation of primordial perturbations, preheating . Very Early Universe: inflation, generation of initial perturbations, preheating . Cosmic Microwave Background Radiation: anisotropy and polarization . ... Dark Energy and Dark Matter models . High Energy Astrophysics: accretion discs, cosmic rays, gamma-ray bursts . ... Astrophysics of black holes and wormholes . ...
... SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ... During this period, 7 AR's crossed the solar disk, in which 20 flares of importance ? ... Data on AR's and magnetic fields were received from the Sayan observatory by teletype. ...
A prefs.ccd file should be located in /usr/local/observatory/prefs on the computer to which the camera is attached. ... Parameters that will be read by prefs.ccd are -- ccd.frame_count_multi Sets the maximum number of frames in multi mode Default is 10 Minimum is 2 No maximum ccd. filter _max Sets the number of filters in the filter wheel Should be less than or equal to the number of slots available ccd. filter _01 to ccd. filter _10 Labels for each ...
... 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. ...
... Подписка на рассылку обзоров astro-ph на Subscribe.Ru . ... Astro-ph за первую половину 2003 г." . ... Нейтронные звезды и пульсары . ... Авторы проекта обзоров astro-ph . ... Самые интересные препринты astro-ph января 2003 года по материалам обзоров Архива на сайте Scientiic.Ru " . ... Authors: Paul C Hewett et al. astro-ph/0307223 Скопление галактик, спрятавшееся за М31:наблюдения RX J0046.4+4204 на XMM-Newton (A Cluster of Galaxies hiding behind M31: XMM-Newton observations of RX J0046.4+4204) . ...
Observational Stellar Astronomy . Articles | ... We are made of star stuff" . ... TEMPERATURE OF A STAR: . ... The temperature of a star can be found out easily by simple observations. ... STAR . ... SPECTRAL CLASS: . All the stars in this universe are divided in to spectral classes based on their spectral lines. ... The spectral class of a star and the temperature of a star are related. So the spectral class can be found for a star since we know its temperature. ... www.astronomy.net . ...
... Space flight . ... Zero Gravity . ... Characteristics of a Complex Flight: . ... Characteristics of the Reduced Gravity (Lunar Gravitation): . ... Characteristics of the Reduced Gravity (Martian Gravitation): . ... Services / Zero Gravity: General description Technical description Flight parameters Photo gallery Price . ...
... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...
... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...
... It satisfies the set of WDVV (associativity) equations in canonical variables. The geometric/integrable content of corrections in 1/N is an important, still unresolved, problem. The only way to construct systematically these corrections is to solve the set of loop equations. We find the subleading correction (the torus approximation) and discuss its possible singularities of the answer in the set of new parameters S_i. ...
... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...
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Ссылки http://solarwind.cosmos.ru/txt/2011/presentations/Magnetosphere/KHODACHENKO.pdf -- 823.9 Кб -- 15.04.2011 Похожие документы
ADC CATALOG HOLDINGS SHORT TITLE LIST March 29, 2002 (adapted from ftp://adc.gsfc.nasa.gov/pub/adc/archives/catalogs/key) Category 1: Astrometric and Positional Data - March 29, 2002 1090 Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) 1107A Washington Cat Visual Double Stars 1984.0 (Worley, Douglass 1984) 1131A SAO Star ...
Instrument . ... Scanning TV-sensor with on-board data recording system for global coverage mode . ... recording, direct transmission . ... IR-radiometer for global coverage and direct data transmission modes . ... The scientific instrument package onboard the Meteor-3 spacecraft provides for regular instant acquisition of images of cloudiness and Earth surface in visible and infra-red bands, data on air temperature and humidity, sea surface temperature and clouds temperature. ...
GCVS Variability Types and Distribution Statistics of Designated Variable Stars According to their Types of Variability ======================================================================== I. GCVS Variability Types. ... The new variability types (ZZO, AM, R, BE, LBV, BLBOO) have been added in the Name-Lists 67- 72 and in the GCVS vol.V. ZZO ZZ Cet type variables of the DO spectral type showing HeII and and CIV absorbtion lines in their spectra. ... RCB Variables of the R Coronae Borealis type. ...
... 000, 113 (2010) Printed 21 September 2011 A (MN L TEX style file v2.2) A universal ultraviolet-optical colourcolourmagnitude relation of galaxies I1gor V. Chilingarian1,2, and Ivan Yu. ... Received 2011 Sep 15; in original form 2011 Feb 6 ABSTRACT The bimodal galaxy distribution in the optical colourmagnitude diagram (CMD) comprises a narrow "red sequence" populated mostly by early-type galaxies and a broad "blue cloud" dominated by star-forming systems. ...
Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...