Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Moon . ... Comets and Asteroids . ... What changed our view of Chariklo is the discovery of a ring system around it, the first such feature found around a Solar System body smaller than a gas giant planet. ... Almost certainly the rings were born when a collision with a smaller asteroid blasted millions of tonnes of debris off CharikloтАЩs surface. ... A ring system detected around the Centaur (10199) Chariklo (Braga-Rigas et al.) ...
СТУДЕНЧЕСКИЕ ОЛИМПИАДЫ МЕХМАТА МГУ И. В. Аржанцев, 1 В. И. Богачев, 2 А. А. Заславский, 3 В. Ю. Протасов, 4 А. М. Райгородский, 5 А. Б. Скопенков 6 n=1 Мы приводим задачи всемехматовских олимпиад 2001 (второй тур), 2008 и 2009 годов, а также указания, решения и комментарии. ... 2008-1. ... Обозначим через m(k) максимальное число попарно не ортогональных векторов из {-1; 0; 1}2k , ровно k координат каждого из которых нулевые. (а) Докажите, что m(k) 22k-1 при нечетном k. (б) Докажите, что 80 m(4) 140. ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... des interviews, des portraits . les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil †А la une Hubble, 25 ans d'images c†йlestes . ... 16/12/2014 - R†йv†йlations sur l'origine de la vie . ...
... HOME . ... ABOUT LOMO . PRODUCTS . ... NIGHT VISION DEVICES . ... Home Products Night Vision Devices ONV . Hands-free ONV™ Night Vision Goggles are indispensable for numerous applications, from hunting or animal watching, to security and surveillance. ... Lomo ONV is a night vision binoculars that easily converted into night vision goggles . ... Home Security . ... LOMO America, Inc. ... 847) 215-8800, Fax: (847) 215-9073 . ... 2000-2016 LOMO America,Inc. ...
... 1270/1290 Mhz radar. (12feb02) . ... 425 Mhz radar 06aug01. ... I took 40 seconds of data on 12feb02 when the radar was at 1270 Mhz. ... rotation rate 12 seconds. pulse width about 5 useconds (a single pulse). ... The plot is centered at 1270 Mhz but i'm not sure about the frequency direction (i didn't check the i/q inputs for the complex sampling). ipp : there are 3 ipps that follow in sequence: 2782,2782, then 2741 useconds. ... 10ms 1366.2 then 10ms 1382.66, 10ms 1366.2 etc.. or . ...
... To make it easier to "read" this celestial calendar, they grouped the brighter stars into readily recognizable shapes, the constellations. ... From Star Maps , [AS 289] a constellation slide set, available from the ASP . Our modern constellation system comes to us from the ancient Greeks. ... The ancient Greek tradition was to name stars by their position within a constellation. ... And it explains why we have a system of Greek constellations with Latin names containing stars with Arabic names. ...
... Publications . ... D. F. Buscher, M. Creech-Eakman, A. Farris, C. A. Haniff, and J. S. Young, The conceptual design of the magdalena ridge observatory interferometer, Journal of Astronomical Instrumentation , vol. 02, p. 1340001, Dec. ... DOI | ... Opt. , vol. 34, pp. ... N. D. Thureau, R. C. Boysen, D. F. Buscher, C. A. Haniff, E. Pedretti, P. J. Warner, and J. S. Young, Fringe envelope tracking at COAST, in Interferometry for Optical Astronomy II (W. A. Traub, ed.), vol. 4838 of procspie , pp. ...
... Corresponding gates in each row are connected in parallel at both edges of the array. ... Other gates. ... otherwise indicated, 45 kpixels/sec and standard voltages using a dual slope CDS circuit (8 µs integration time) Minimum Format Pixel Size Imaging Area Dark current (MPP), 20° C equivalent Readout noise Front Back Full Well signal Output gain CTE per pixel Typical 512 x 512 pixels 24 µm x 24 µm 12.3 mm x 12.3 mm 50 pa/cm2 5 electrons 7 electrons 350,000 electrons 1.5 µV/ electron 0 ...
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Ссылки http://www.sao.ru/drabek/CCDP/SITe/502datsh.pdf -- 643.8 Кб -- 11.11.1998
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Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/DISSlit/PDF/SI-502.pdf -- 643.8 Кб -- 02.07.2004 Похожие документы
... Thursday, Jun 13, 2013 at 8:00 PM . ... Some of us know a great deal about what kind of facilities exist "up the hill" from our clubhouse in Westford. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Thursday, Jun 13, 2013 at 8:00 PM in Phillips Auditorium, Harvard-Smithsonian Center for Astrophysics ( 60 Garden St, Cambridge, MA ). ... Jun . ... Clubhouse . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
... Our first meeting of the year will be on Tuesday, September 8th. ... next page) Page 2 Amateur Astronomers Association of Princeton Newsletter Revenue and Expenses General Operations Actual Ordinary Income /Expense Income Contribution Income Member Dues Outreach Contributions Sale of Equipment Sales of AAAP Astro Items StarQuest Attendance Total Income Expense Speaker Honorarium Astronomy Calendars Books and Publications Business License Fees Contribution Expense Dues and ...
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Ссылки http://www.princetonastronomy.org/newsletters/07_2009sidereal.pdf -- 990.6 Кб -- 30.07.2009 Похожие документы
... In space, therefore, we should choose technologies carefully. ... For instance, the solar-photon sail--pushed through space by linear-momentum transfer from reflected solar photons--could carry water mined on comets or hydrated asteroids towards human habitats in dry solar systems. ... Article Highlights New Type Of Astronomy ,,Clubs: Online Amateur astronomers "are beginning to look very different from what they did only a few years ago," an article in last months Sky & Telescope observed. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_10_October_Eyepiece.pdf -- 660.7 Кб -- 22.02.2015 Похожие документы
Insights & Perspectives Think again Targeting cancer's weaknesses (not its strengths): Therapeutic strategies suggested by the atavistic model Charles H. Lineweaver1)*, Paul C. W. Davies2) and Mark D. Vincent In the atavistic model of cancer progression, tumor cell dedifferentiation is interpreted as a reversion to phylogenetically earlier capabilities. The more recently evolved capabilities are compromised first during cancer progression. ... Our most detailed example involves the immune system. ...
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Ссылки http://www.mso.anu.edu.au/~charley/papers/LineweaverDaviesVincent2014.pdf -- 398.2 Кб -- 13.08.2014 Похожие документы
Feb 28 2016 Andromeda - Daughter of Cassiopeia By RA Catalog IC IC IC IC IC 5370 5371 5372 5373 5376 M Her Object Type Glxy S0/a Glxy S Non-Existent Glxy Sb Glxy Sab Glxy Sb: sp Non-Existent Glxy E: Glxy I? Non-Existent Mag Alias/Notes 14.9 15 15.1 14.6 13.6 MCG 5-1-18 CGCG 499-28 CGCG 498-56 PGC 5 MCG 5-1-19 CGCG 499-30 CGCG 498-58 PGC 24 CGCG 499-31 CGCG 498-59 KAZ234 PGC 36 UGC 12909 MCG 6-1-7 CGCG 517-13 CGCG 518-8 KAZ239 PGC 102 IC 1530 PGC 569 UGC 60 MCG 5-1-32 CGCG 499-50 CGCG 498-78 ARAK2 IRAS
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Ссылки http://www.wro.org/neumann/RNGC_List_by_Constellation_RA.pdf -- 710.9 Кб -- 28.02.2016 Похожие документы
Report by the ESA-ESO Working Group on The Herschel-ALMA Synergies Introduction & Background Following an agreement to cooperate on science planning issues, the executives of the European Southern Observatory (ESO) and the European Space Agency (ESA) Science Programme and representatives of their science advisory structures have met to share information and to identify potential synergies within their future projects. The agreement arose from their joint founding membership of EIROforum
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Ссылки http://www.stecf.org/coordination/esa_eso/alma-herschel/report.pdf -- 1000.5 Кб -- 04.09.2008 Похожие документы
... The Pixon method is a high-performance, nonlinear image reconstruction method that provides statistically unbiased photometry and robust rejection of spurious sources. ... The next sections discuss image reconstruction in general (? 2. ), describe the Pixon method (? 3. ), and give some examples (? ... Where the kernel is a delta function, the Pixon element spans one pixel, and the Pixon method reduces to a nonnegative least-squares fit, with the noise-free data model smooth on the scale of the PSF....
... Key successes of reverberation mapping have been direct black hole mass estimates, the radiusluminosity relation for the H line and the calibration of single-epoch mass estimators commonly employed up to z 7. ... While individual objects may not have a well-sampled emission-line light curves, Fine et al. (2012) showed (in simulations at least) that reverberation lags could be recovered through stacking. ... The grey lines in the Stacked reverberation lags at high redshift L19 Figure 3. ...
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Ссылки http://hea-www.harvard.edu/~pgreen/Papers/MNRAS-2013-Fine-L16-20.pdf -- 374.6 Кб -- 01.11.2013 Похожие документы