... Точность изготовления поверхности зеркала, т.е. максимально допустимые отклонения от заданной формы, зависит от длины волны света, на которой будет работать зеркало. ... К примеру, зеркало, работающее в видимом свете (длина волны = 0,5 микрона), должно быть изготовлено с точностью 0,06 мкм (0,00006 мм). ... В простейшем случае окуляр может состоять только из одной положительной линзы (в этом случае мы получим сильно искаженное хроматической аберрацией изображение). ... на astronom-ntl.narod.ru . ...
... Собственник, ООО "Центр спутниковой связи" сдает офисные помещения в аренду по адресу: Москва, Загородное шоссе, дом 10, корп. 4., метро Ленинский проспект/Шаболовская. ... Перейти через дорогу, пройти между 2-х этажными домами, левее во дворе - белое 2-х этажное здание. ... 317, до остановки Загородное шоссе. Пройти между 2-х этажными домами, левее во дворе - белое 2-х этажное здание. ... Напротив остановки, в глубине двора - белое 2-х этажное здание. ... Вход на территорию с левого торца здания. ...
. Next: Functionality Up: RGS_CTI Previous: RGS_CTI Contents . Corrections are required to compensate for the loss of charge that occurs when events are transferred through the CCD to the readout. Michael Smith 2011-09-20
... Image Quality of the VLT . Total Optical Control . First light for the ESO VLT unit telescope 1 occurred during the workshop. ... The image shown (Figure 1 ) here was obtained with the VLT on May 16, 1998, in red light (R band), i.e. while the mirror was still uncoated. ... In this diagram (FIgure 2), the measured image quality of the VLT UT1 astronomical images is plotted versus the ``seeing", as measured by the Seeing Monitor, a small telescope also located on top of the Paranal Mountain. ...
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . The transit clock, Earnshaw's first ever long-case clock, is described by him in his "Appeal to the Public" in 1808, where he states his claim to a national reward for his contribution towards the solution of the determination of longitude problem. ... The clock originally had a 9- bar gridiron pendulum of alternate steel and brass rods which was replaced in 1830 by a mercurial pendulum made by Mr Sharp, Sen., of Dublin. ...
Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archives . ... On the other hand, there is none in astronomy although astronomers have a long history of comprising a huge volume of catalogs and data archives. ... Nevertheless, I?ve noticed a few astronomers rigorously apply principle component analysis (PCA) in order to reduce the dimensionality of a data set. ... Chandra Blog . ... The e-Astronomer . ... SAMSI AstroStat Prog. ...
... We describe the novel aspects of the delay line design which include using the inside walls of the vacuum pipes as "rails", active shear compensation, and replacing dragged cables with contactless power transfer and communication. ... CONCEPT DESCRIPTION Optical path compensation is achieved by bouncing the starlight off a moving retro-reflector (Cat's-eye) inside a vacuum pipe. ... The pipes are joined using elastomeric seals, as used for example on the NPOI delay lines. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIDelayLine.DesignDocumentation/SPIE_2006_paper_DB.pdf -- 495.6 Кб -- 06.07.2007 Похожие документы
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . FileљList . ... python . ... cmd . showTime.py . ... 4 љ Returns the current time in several time systems. ... 5 љ time the command was parsed. ... Note that there is a SET TIME command, but it . 8 љ calibrates the TCC's clock from the observatory's time standard. ... 18 љ """Implement the Show Time command . ... 24 љ currTAI = tcc.base.tai() . ... 27 љ # making a copy is probably silly, but avoids the possibility that the "show time" command . ...
Blackholes2 Forum Message . Forums: . ... Regarding Bunk . ... General relativity" involves curved trajectories and accelerated reference frames (if I recall right): how would you know general from special relativity? ... To know "general relativity" IS curved paths etc. would require YOUR path to compensate so net straight path? ... To describe curved paths, general relativity would need a curved math ? ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ...
... TrГЕs beau matГїriel complet et impeccable , vente cause double emploi . Le matГїriel comprend, un boitier de commande rГїtroГїclairГї, les cГ?bles de connexion au moteur/boitier, un cГ?ble USB, un moteur DSM20 et engrenage, clГїs allen pour le dГїmontage et une prise secteur et un CD d'installation avec le logiciel de contrГ?le du moteur (FocusMax), compatible ASCOM. ... Compatible avec les logiciels de camГїra, dГЕs lors qu'ils le sont avec ASCOM, option de compensation de la tempГїrature. ...
... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...
Dams are frequently located upstream from major population centers: . 1918--1958: 33 Major dam failures resulting in 1680 documented fatalities . 1959--1965: 9 major dams failed throughout the world . 1976: Teton Dam failure in Idaho . ... The Salmon Problem: . ... Some Federal Dam Licenses can now be lost because of salmon migration problems . ... Actual Salmon Count data is available for these dam sites: . John Day Dam . Bonneville Dam . ... Adverse effects of dams on salmon: . ...
... Tiny Tim has been used for generating Hubble Space Telescope ( HST ) point-spread functions (PSFs) for deconvolution, algorithm testing, proposal planning, and optical studies. ... Tiny Tim is a stand-alone program for simulating HST PSFs as viewed with the on-board imaging cameras (WF/PC-1, WFPC2, FOC, COSTAR/FOC). ... The measured aberrations for FOC f/96, WF/PC-1 PC6, WFPC2, and COSTAR/FOC are used by Tiny Tim . ... Figure: FOC f/96 observed and Tiny Tim model PSFs (pre-COSTAR) at 253 nm. ...
Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Telescopes and Observatories . ... Everyone loves stunning pictures of spiral galaxies,€а I have said this before and will no doubt say it again. The folks at the European Southern Observatory (ESO) know this too, and their latest public image release is a bumper set of serenely spinning spirals. ... Tweets that mention Six glorious spiral galaxies seen by the European Southern Observatory. ...
... Super Nova Information . ... Site . ... AGREEMENT BETWEEN USER AND rochesterastronomy . ... USE OF COMMUNICATION SERVICES . ... Unless otherwise specified herein, this agreement constitutes the entire agreement between the user and rochesterastronomy with respect to the rochesterastronomy Web Site and it supersedes all prior or contemporaneous communications and proposals, whether electronic, oral or written, between the user and rochesterastronomy with respect to the rochesterastronomy Web Site. ...
These images have been selected from those recorded with the telescopes at Mt. ... This is the full 25 arcminute field of view of the CDK700 with its Apogee U16 camera. ... Jupiter on November 1, 2011, at 07:06 UT was recorded with the CDK125 Shared Skies Live telescope and an AVT Prosilica GX-3300 video camera. ... The first quarter moon on August 17, 2010 at 02:20 UT was recorded through thin cirrus with the CDK125 Shared Skies Live telescope at Moore Observatory. ...
... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...
Сообщение о проведении годового общего собрания акционеров Публичное акционерное общество «Красногорский завод им. С.А. Зверева» (далее по тексту - ПАО КМЗ, Общество), место нахождения: 143403, Московская область, г. Красногорск, ул. Речная, д. 8 настоящим сообщает о проведении годового общего собрания акционеров Общества по итогам 2015 года в форме собрания. Форма проведения годового общего собрания акционеров: собрание (совместное присутствие). ... Утверждение годового отчета Общества. ...
Using Site testing data for Adaptive Optics simulations Kislovodsk, October 2010 1Glen Herriot, 1David Andersen, 1Jean-Pierre VИran, 2Brent Ellerbroek, 2Luc Gilles, 2Lianqi Wang 1National Research Council Canada Herzberg Institute of Astrophysics 2TMT Project Office, Pasadena TMT.AOS.PRE.10.074.REL01 1 Outline TMT / NFIRAOS Site Testing Parameters and their value for Adaptive Optics Simulations ... TMT.AOS.PRE.10.074.REL01 9 What is the interest of Adaptive Optics in r 0 Seeing ? ...
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Ссылки http://site2010.sai.msu.ru/static/doc/GHerriot_site2010.ppt.pdf -- 1942.1 Кб -- 18.10.2010 Похожие документы