Next: Imaging by an Optimizing Method . ... A big advantage of this numerical integrator is its stability: the error in the semi-major axis and the eccentricity depends only on the step size and does not grow with an increasing number of time steps. ... As the integration time increases, the numerical results become more contaminated by various errors. ... A new symplectic integrator produces no secular truncation errors in the actions of a Hamiltonian system. ...

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• The Basic Calibrated Data Processing Pipeline for SIRTF IRS

... See "About ATMoB" / "Network" for more details on the clubhouse network. ... Direct viewing of a laser-pointer beam, even briefly and at a distance of a kilometer or two, has the potential to cause temporary flash blindness — the same effect you get right after a flash photo is taken — or afterimages. ... To help use our laser tools safely, the Amateur Telescope Makers of Boston, Inc. has adopted these recommendations as policy. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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Nova 1998 2 in M31 this image of the second Nova in M31 in 1998, was made from 38 exposures of 45 seconds integration time. It was made at September 21, 22h 20m UT. Telescope was a CG11 at f/6.3, no filters were used. The long list of processing steps caused the artefacts at the overexposed center of the galaxy and in many of the brighter stars. During the exposures thin clouds covered the sky but the CCD cuts through them, allowing me to obtain this result. ...

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... An analysis on new observational data taken with the MPFS and SCORPIO spectrographs indicates that we are dealing with the "galactic wind": the gas is blown above the galactic plane with the characteristic velocity of about 130km/s. The gas outflow is caused by a combined action of winds from the supernovae and young massive stars located in the galaxy's circumnuclear region. ... The most probable hypothesis is that the accretion of intergalactic gas clouds is feeding their star formation. ...

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• New Polar Ring Galaxies
• Galaxy sector, archive 2000
• Solar activity

The perturbation method is based on the small-parameter expansion of an unknown solution of the light scattering problem in a vicinity of the exact solution. ... The only probably exclusion is the case of anisotropic particles for which the rigid solution is either impossible or too complicated. For such problems the perturbation method can give information of the first approximation, which is important for understanding of the basic principles of influences of the material anisotropy. ...

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... Some changes concerning conference fee and social program were caused by financial instability. The Conference Fee is deducted to 200 Euro for foreign participants and includes issue of Official Invitation Letter approved by Russian Emigration Authorities, coffee-breaks and abstract and program books. The reduced Conference Fee is deducted to 1500 Russian rubles for participants from Russia and includes coffee-breaks and abstract and program books. ...

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This is bp, a Perl Bibliography Package, by Dana Jacobsen (dana@acm.org). ... The package will let you write programs that handle bibliography parsing in a generic fashion for multiple bibliography types. ... It also allows conversion between formats and character sets. It is extendable, meaning that you can write your own routines, so to recognize your format "foo" all you have to do is write your "foo" code that reads, writes, and converts to and from the package's canonical format. ...

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. Prague, August 16, 2006 . Present classification : Suggested: . WR WR . New type: PP (a proto-planetary object) New type: dL (L dwarf), the causes of variability not quite clear yet . ERUPTIVE VARIABLES (CONTINUED)

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... Родился 09.02.1948 г. Окончил МФТИ в 1972 г. ОСНОВНЫЕ НАУЧНЫЕ ТРУДЫ: . В.А.Ацаркин, В.В. Демидов. Охлаждение дипольного резервуара и динамическая поляризация ядер при насыщении неоднородной линии ЭПР", ЖЭТФ, 76 , 2185-2193 (1979). В.А.Ацаркин, Г.А.Васнева, В.В. Демидов. ... Эволюция спектра ЭПР при переходе металл-диэлектрик в квазиодномерных системах", ЖЭТФ, том 113 , вып. 3, стр. ... В.А.Ацаркин, Г.А.Васнева, В.В. Демидов, Ф.С. Джепаров, Б.М. Одинцов. ...

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• Getting Started in Actor Prolog. The idea of Logical Actors.

... 06.03.2001 . ... March 06 2001 09:00 (Moscow time) . The OC "Mir" operations scheduled for March 05 are complete. ... The onboard systems perform nominal, the Complex arrays generate enough electricity, the thermal mode is normal. Command complex was powered on and command software was entered in tne cause of communication sessions, pressure was equalized in pneumatic and hydrobus fuel tanks of the joint propulsion system of the core block of OC "Mir". ...

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... 2000 .. ... Y3Al2(AlO4)3 Y3Fe2(FeO4)3 CaF2 ZnS , , , 0,24­6,00 1,1­1,5 0,15­12 0,4­14 0,65 2,5 8,0 0,65 11,0 4,8 9,0 1320 1200 82 363 243 164 590 343 527 489 106, K-1 8,2 14 18,4 7,4 (293 ), /( ) 0,13 6,7­8,0 ­ 17,2 La2S 3 0,5­25 8­12 8­14 10,0 14,8 14,4 ­ 1,7 ­ CaLa2S4 SrLa2S4 94 , 6, 2, 2000 , , La2S3 , Ce2S3 , Gd2S3 , Tb2S3 , Tm2S3 , Yb2S3 . La2S3 , 1170 -La2S3 , 1570 -La2S3 ( () Th3P4). ... MeS, -Ln2S3 MeLn2S4 (CT Th3P4). ... CaLa2S4 CaS + - CaLa2S4 . ... CaO La2O3 , , ­ CaLa2S4 , CS2 1270 .. ...

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. The gravitational instability - is the increasing of the perturbation of the density and the velocity under the gravitational force influences. The results of the gravitational instability are the cluster of substances. The gravitational instability is a cause of generation of many astronomical objects (stars, galaxies, etc). Back .

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• prilive

Тема : Орбитальная обсерватория НАСА Кеплер при? смерти .. Показать сообщение отдельно . ...

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. Comment on J1146-3328 . The derived position here is about 20" from that of the PMN survey position (Griffith & Wright 1993). The source is only detected on the shorter baselines and is probably resolved, although some smearing may be caused by the large position offset. VLBApls home page . Last modified: 16 Oct 2000

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Dst INDICES ------------------------------------------------------------------- Dst (Disturbance Storm Time) equivalent equatorial magnetic disturbance indices are derived from hourly scalings of low-latitude horizontal magnetic variation. ... This diskette contains the hourly indices for the period 1 Jan 1957 through 30 Sep 1992, as derived by M. Sugiura and T. Kamei, WDC-C2 for Geomagnetism, Faculty of Science, Kyoto Uni- versity, Kyoto 606, Japan. ...

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Date: 11/25/2014 Time:03:10 Moon Age: 2.8 Available Observing Hours: 13.0 Observer: Instrument: Operator: Cage: Lebofsky, Bell 90PrimeOne Trueblood PF hours lost to: weather: 0.0 telescope: 7.0 instrument: 0.0 computer: 0.0 Time Temp Humidity Wind Vel. Wind Dir. ... Took another hour or two to get telescope pointed correctly. Never did get dome to function properly, it kept going 45 deg to the right of the telescope, despite doing shutdown and startup several times. ...

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