Main Sections LabIR main page . Instrument page . Documentation . ... Special Sections Software Page . ... Tirgo Page . ... FIRT: the photometer of the National Infrared Telescope (no more operational) ( TIRGO ). GoSpec , a seven elements infrared spectrometer (no more operational). ArNICa the infrared camera for TIRGO (no more operational). LonGSp the infrared spectrometer for TIRGO (no more operational). ... Please select the LabIR Main Page or an item in the left menu. ...

... Incorrect Resolution Element Used by COS ETC for new G130M Modes . ... HST Overview . ... The resolving power of the two new COS/FUV G130M modes (cenwave=1055 and cenwave=1096) decreases with increasing wavelength, from R ~ 3000 at 950 ? ... Since the ETC uses a 6-pixel resolution element that is 5 and 19 times smaller, respectively, it will overestimate the time required to achieve a certain S/N per 30-pixel or 115-pixel resolution element, while underestimating the S/N obtained for a given time. ...

... Europa lander", Moscow >12.02.2009 Outline Planetary instruments for in-situ chemical analysis Laser-induced plasma spectroscopy: principle, instrumentation, features GENTNER proposal of the LIBS instrument for the Europa lander mission State-of-the-art of the instrument Page 2 von Hoerner & Sulger GmbH Int. Symp. ... Page 3 von Hoerner & Sulger GmbH Int. Symp. ... Europa lander", Moscow >12.02.2009 Laser-Induced Breakdown Spectroscopy (LIBS): Principle Page 5 von Hoerner & Sulger GmbH Int. Symp. ...

... About ISSP . RAS members working in ISSP . ... A set of technological processes is developed in the Institute of Solid State Physics RAS for manufacturing of scintillation elements for radiation detectors with high space resolution. ... тАв€а a technology of direct forming of scintillation elements with necessary profiles and dimensions by means of external pressure in pressing tools with corresponding geometry. ... Scientific Secretary WWW: www.issp.ac.ru . ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

FLAMES is the multi-object, intermediate and high resolution spectrograph of the VLT. Mounted at UT2, FLAMES can access targets over a field of view 25 arcmin in diameter. ... GIRAFFE allows the observation of up to 130 targets at a time or to do integral field spectroscopy, with intermediate resolution (either R ~ 25000 or R ~ 10000). ... Questions related to service mode observations and proposal preparation should be addressed to the User Support Department. ... Instrument Operation Team . ...

... The Meade Series 4000 Zoom Eyepiece has changed that impression completely and forever. ... Meade Series 4000 2x Apochromatic Barlow Lens (1.25") . Exclusive Meade 3-element, air-spaced design; thousands now in use worldwide. #140 2x Apochromatic Barlow Lens: The most advanced Barlow lens yet developed for commercial telescopes, the Meade #140 2x Apochromatic Barlow includes a 3-element, air-spaced telenegative lens unmatched in image resolution, contrast, and color correction. ... about meade | ...

Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...

... Light weight and low power consumption combined with nearly quantum limited sensitivity and a wide tuning range of the superconducting local oscillator make SIR a perfect candidate for many practical applications. Superconducting Integrated Receiver (SIR) [1] comprises on one chip a low-noise SIS mixer with quasioptical antenna, an Flux-Flow Oscillator (FFO) acting as a Local Oscillator (LO) and a second SIS harmonic mixer (HM) for the FFO phase locking. ...

Next: CCD Operation Up: Charge Coupled Devices (CCDs) Previous: Charge Coupled Devices (CCDs) . ... However it is only now that a number of important X-ray astronomical applications of CCDs have reached critical development stages, so that this is an appropriate time to review the application of space-borne CCD instruments to cosmic X-ray astronomy, and highlight the particular concerns which are being addressed for X-ray instruments, as distinct from optical applications. ...

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

... The collecting area is increased by nesting concentric mirror pairs, all having the same focal length. ... Figure shows the largest optical element being ground at HDOS. ... X-ray testing demonstrated that the CXO mirrors are indeed the largest high-resolution X-ray optics ever made; the nominal effective area (based on the ground calibrations) is shown as a function of energy in the left panel of Figure , along with those of their Einstein and ROSAT predecessors. ...

... In the тАЬAstronomical YearbookтАЭ (AY) the ephemerides of the Sun, Moon, major planets and stars computed with the maximum precision in accordance with the resolutions approved by the International Astronomical Union (IAU) are published. ... N.I. Glebova, M.L. Sveshnikov; . ... The seasons values, coefficients of the Tchebyshov polynomials of the Moon ephemerides, the phases of the Moon, the planetary configurations, the data for the eclipses of the Sun and Moon (N.I. Glebova, M.V. Lukashova) . ...

Main Page Data Structures File List Data Fields Globals . Array element. More... #include < exchange.h > . char . ... diameter . double . ... Corresponds to one row of an OI_ARRAY FITS table. char _element::tel_name[17] . char _element::sta_name[17] . int _element::sta_index . float _element::diameter . double _element::staxyz[3] . The documentation for this struct was generated from the following file: . exchange.h . ...

... JPEG 2000, the new International Standard for still image compression, has many unique features that offer advantages for users of astronomical data. ... JPEG 2000 is the new International Standard for digital image compression. ... Figure 1 is a flow diagram of the JPEG 2000 algorithm. ... For these applications, it is desirable to have a JPEG 2000 implementation that buffers up the smallest possible number of image lines before compression, and releases the compressed data directly to the downlink...

The CHARA array at Mt Wilson, California, is the worldтАЩs highest angular resolution instrument, able to image the surface of stars and measure angular diameters down to about 200 micro-arcseconds. With six simultaneous telescopes, ~300 optical elements, dozens of active servo loops and ~500 actuators, the system is already arguably the most complex optical or infrared telescope system in the world. ...

Stellarium 0.12.3 . MainљPage . ... Classes . ... Stellarium Developers Documentation . ... This documentation is targetted at developers of scripts, plugins and the core program. ... Those classes have a single instance created at startup by the ::main() function. ... Because many Stellarium components derive from the StelModule class, the main loop is able to treat them generically by calling their standard methods such StelModule::update() and StelModule::draw() at each program iteration. ...

... Solar Space Experiments in LPI . ... The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar EUV Coronagraph (SEC), based on the Ritchey-Chretien scheme, to observe the inner and outer solar corona from 0.2 to 4 solar radii in spectral band 290-320 A . ... 2 arc. sec./pix . ... Backside-CCD 2048*2048 pix...

... Telescopes . ... 2002: . A quartz echelle spectrograph with a large diameter of the collimated beam (NES) equipped with a CCD (2048x2048 elements) was designed, manufactured and put into operation in the Nasmyth focus of the 6-m telescope. ... We have developed and tested the model of a new-generation three-element broadband radiometric matrix system at the RATAN-600 extremely short wavelength of 1 cm, allowing a large replication to over 100 elements. ...

Instruments and Methods 129 Multi-element MMIC focal array for radio telescope V.B. Khaikin1, E.K. Ma jorova1 , Yu.N. Parijskij1, M.D. Parnes2 , R.G. Shifman2 , V.A. Dobrov2 , V.A. Volkov2, V.D. Korolkov2, S.D. Uman2 , N.A. Esepkina3 , and S.K. Kruglov3 The Special Astrophysical Observatory of Russian Academy of Sciences Karachai-Cherkessia, N.Arkhyz, 357147, Russia, E-mail: vkh@brown.nord.nw.ru Svetlana", Rezonance", Ascor", 194156, Engels pr. ... Four-element sub-array prototype is shown in Fig.2. ...