The basic characteristics of the instrument are set by the aperture, focal length and resolution of the image forming lens, the dispersion of the spectrometer, and the sensitivity of the detector. ... The lens is internally focused, and maintains acceptable focus (2 pixels in the detector plane) over a typical spectral coverage of one grating setting. ... along the spatial dimension of a 25mm square detector in the final spectral image plane the 400mm lens is 3.2њ. ... Diffraction grating . ...

... Optical observations of pulsars have been restricted to a small handful of objects which are probably not representative of the pulsar population. The main problem is that pulsars are optically faint with short radiative lives. The talk will review current Irish research in pulsars. ... The talk will conclude with a discussion of the implications for pulsar astronomy with the proposed ESO/EU 42 m optical telescope due to be commissioned 2017. ... Last Revised: 2007 January 31st . ...

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... All news ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Exploring the Extreme Universe with the Fermi Gamma-ray Space Telescope? by David Thompson . ... Lecture Series 2010-2011 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... material . ... alpha . SiC . ... n,k o,e [fig] . ... Choyke, Patrick (1969) Phys.Rev. 187, 1041. beta . ... alpha, beta . ... 1977) Astron.Nachr. 298, 279. alpha, beta . ... 1983) Publ.Astron.Soc.Jpn. 35, 397. alpha, beta . ... Choyke, Palik (1985) in Palik E. (ed) Handbook of Optical Constants of Solids. ... Alterovitz, Woollam (1991) in Palik E. (ed) Handbook of Optical Constants of Solids, II. ... Press, p.705. alpha, beta . ... Laor, Draine (1993) Astrophys.J. 402, 441. alpha, beta . ...

... Posts tagged ?extreme value theory? ... From arxiv/astro-ph, arXiv:0706.2590v1 Extreme Value Theory and the Solar Cycle by Ramos, A. This paper might drag a large attention from CHASC members. ... Tags: extreme value theory , maximum likelihood , Pareto distribution , solar cycle . Category: arXiv , Astro , CHASC , Frequentist , Methods , Stat | Comment . ... Entries RSS . Comments RSS . ... General comments . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...

The optical scheme of the instrument is sketched in Figure 1 , it is designed to match the F/20 focal ratio of the TIRGO telescope. We have, following the optical path, the window of the dewar, the order sorting filter (not in figure), a field lens, in Calcium Floride, and the slit, in the focal plane of the telescope. ... The resolving power is (for first order of grating) of about 600 in the center of J band and 950 in the center of the K band, using a slit of two pixel (3.46 arcsec). ...

... GCN 8471 | ... TITLE: GCN CIRCULAR NUMBER: 8516 SUBJECT: GRB 081102: MASTER refind and final results DATE: 08/11/11 15:50:10 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.Parkhomenko Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalognikh Ural State GCN Circ 8470, Lipunov et al., ...

... Klochkova V.G., Panchuk V.E., Yushkin M.V., Miroshnichenko A.S. Polarimetry of the bipolar nebula AFGL2688. ... Chentsov E.L., Ermakov S.V., Klochkova V.G., Panchuk V.E., Bjorkman K.S., Miroshnichenko A.S. An atlas of spectra of B6-A2 hypergiants and supergiants from 4800 to 6700 AA. ... A , 2002, v.383, p.171. ... A.S. Miroshnichenko$, K.S. Bjorkman, V.G. Klochkova, V.E. Panchuk$, M.V. Yushkin. ... Miroshnichenko A.S., Klochkova V.G., Bjorkman K., Panchuk V.E. Properties of galactic B[e]...

... Съемная снегозащитная юбка . ...

... Оборудование (Модераторы: LifeIsGood , Hornet ) > . DELTA OPTICAL-GSO 10" F/4 M-LRN OTA . ... Оборудование и телескопы . ... Оффлайн . ... Благодарностей: 89 . Ответ #20 : 30 Март 2012, 08:03:09 ? Цитата: mihail от 30 Март 2012, 01:33:06 . Цитата: d_w от 29 Март 2012, 21:36:47 . Цитата: mihail от 29 Март 2012, 15:55:43 Юстировочные - да, контрящие - под отвертку.. ... Ответ #23 : 03 Апрель 2012, 17:43:53 ? ... Ответ #24 : 14 Июль 2012, 17:06:31 ? ... Благодарностей: 1001 . ...

... 2008 . ... 2006 . ... Сегодня: 10 апреля 2016 г. Специалисты из European Southern Observatory утвердили план, согласно которому через три года европейскими учеными начнется сооружение гигантского оптического/инфракрасного телескопа European Extremely Large Telescope. ... Он даст наземной астрономии новые, до этого невиданные, возможности. ... Первое зеркало телескопа будет состоять из 906 шестиугольных сегментов, каждый размером в 1,45 метров. ... Решение по этому вопросу будет принято к 2008 году. ...

... 295, 2003 H. E. Payne, R. I. Jedrzejewski, and R. N. Hook, eds. The Raptor Real-Time Pro cessing Architecture Mark Galassi, Daniel Starr, Przemyslaw Wozniak, Konstantin Borozdin Los Alamos National Laboratory, Los Alamos, NM, USA Abstract. ... All basic elements of the pipeline functionality have been written from scratch or adapted (as in the case of SExtractor for source extraction) to form a consistent modern API operating on memory resident images and source lists. ...

... 2014: . Suppression of cooling by strong magnetic fields in white dwarf stars . ... 69, 439, 2014. Evidence of supercritical accretion in SS433 . ... We discovered a flat portion (white noise) in the power spectrum of SS433 due to an abrupt increase of the disk thickness in the supercritical region. ... Both the hard X-ray radiation and the visual light are seen reflected from the walls of the funnel that forms in the wind of the supercritical disk of SS433. ... Archive . ...

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Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Telescope has two main foci (Cassegrain and Coude ) and allows to use six optical systems based on Ritchey-Chretien system with a common main mirror . At present scientific observations are being performed at the Cassegrain focus in main optical scheme with focal ratio of 1:7.7. ... flat . ... To use the Coude focus the removable flat diagonal mirror is also needed in the crossing point of declination axis and main optical axis of telescope. ...

... With this adjustment, the largest three-month range occurs in February-April and is 71 њF. The range for all year, still removing the January 1962 record low, is 88 њF. The expansion coefficient for aluminum alloy 6061 is 24.3 microns/m-њC while that for borosilicate glass E6 is 2.8 microns/m-њC. The expansion coefficient difference is 21.5 microns/m-њC. Combining this number with the scale factor equation from the previous section gives a coefficient of 0.207 mm/њC for primary motion. ...

MFS . Data archive MFS . ... Data archive HSFA . ... Catalogue of solar flares . Atlas MFS . Data archive MFS [FTS, AVI] . Data MFS-2009 . Data MFS-2010 . Data MFS-2011 . Data MFS-2012 . Flares archiv with asymmetry absorption . ... Catalogue of prominence 2011 . Catalogue of prominence 2012 . ... Data MFS-2013 . Data MFS-2014 . Data MFS-2015 . ...

. Departement of Quantum Astrophysics . Head: Kurt V.G. , Prof. ultraviolet spectroscopy of planetary upper atmospheres and interplanetary/interstellar medium; . observations of gamma-bursts and optical identification of their sources; . long-base optical interferometry. Staff: .