... 1995: . A new-generation automated control system of the antenna in two sectors of the RATAN-600 circular reflector was put into regular operation. ... This allows measuring the flux densities of radio sources in the shortwave range with an accuracy of about 1%. ... Alignment and stabilization of the surface (225 elements) of the RATAN-600 northern sector were performed, resulting in the RMS surface accuracy increase from 1.0-1.3 mm to 0.18 mm. ... Archive . ...
. About us . Divisions . Telescopes . Science . Publications . Education . Service . Contacts . 1996: . The highly effective method controlling a wide class of radio interferences in the most sophisticated UHF band was put into practice of observations. Archive . Any questions to webmaster . Last update: 20/02/2013
... 1997: . The parameters of the unique solar complex at the RATAN-600 were enhanced. ... A coude-echelle spectrometer of high and very high resolution was designed and manufactured for the 2-meter telescope (Terskol peak) with the simultaneous spectrum registration in a wide wavelength range ( 3500-10000 A ) by the CCD system. The spectrometer has three Schmidt cameras that enable spectral observations with the resolution of R = 45000, 90000, 180000. ... Archive . ...
... 1998: . Creation of the world's largest database of radio astronomical catalogs, designated CATS was completed, which is now free and available online at the web server cats.sao.ru . It includes the data of X-ray, optical, infrared and radio wavelength ranges on 4.5 million space objects from 300 catalogs (the radio astronomical catalogs were presented in full for the first time). Archive . ... Last update: 20/02/2013 ...
... 1999: . A new fiber multiobject spectrograph of the prime focus of the BTA was manufactured, designed for the spectroscopy of low and moderate spectral resolution of up to 70 objects at once, visible in the telescope's field of view sized 12'. ... The new spectrograph brought an opportunity to explore the objects with absolute magnitudes m=22-23 in the R-band. In 1999 the spectrograph was used for the BTA observations within two programs. ... Archive . ...
... It allows observations of extended and starlike objects in different modes: CCD photometry, panoramic spectroscopy with the Fabry-Perot interferometer, spectroscopy and spectropolarimetry with a "long-slit", slit-free spectroscopy, multi-object spectroscopy. ... Digital servo drives that were installed have improved the reliability of the complex, extended the range severalfold, and reduced the telescope's speed control step. ... A software and hardware set for the BTA control system was implemented...
... 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. ...
... Archive 2003: . As a result of development of image slicers, polarization analyzers and reduction technique, the limiting magnitude of spectral observations at BTA with high spectral resolution (up to R=80000) has been increased by 3 times, the limiting magnitude of spectropolarimetric observations increased from 3 to 8 times (in the red and UV ranges, respectively). ... Archive . ...
... 2004: . Creation of a unique set of the spectral and polarization complex of high resolution in the range of 6-18 GHz, consisting of 64 channels with a 1% analysis stripe was concluded. Based on the combination of key parameters - the frequency overlap and resolution, sensitivity and accuracy of polarization measurements, such a complex is the first instrument of its kind in the practice of solar astronomy. ... Archive . ...
... Telescopes . ... Creation of the distributed net of control (DCN) of the 6 m telescope has been completed, which is based on the use of digital tracking drives and the means of commercial automatization to ensure the real-time processes of control and data acquisition. With changing to DCN, computer diagnostics of the majority of units of the telescope has been implemented, the reliability of its operation in the whole has been increased, its performance characteristics have been improved. ...
... 2006: . A high angular resolution (0.4") was reached at the BTA as a result of use of an image stabilizer, coupled with the optical image cutter and a specialized echelle spectra reduction algorithm during the observations with high spectral resolution (R=75000) in the wavelength range of 450-650 nm. ... Archive . ... Last update: 20/02/2013 ...
... This method has no equal as of its versatility and short observation times. ... First observations were made on RATAN-600 with a unique MARS-3 16-channel (32 inputs) Matrix Radiometric System that has no analogue in Russian radio astronomy. ... Centre for Analysis of Multiwave Observations Created on RATAN-600. An on-line processing centre for analysis of multiwave radio observations of the Sun on RATAN-600 was created in the St.Petersburg Branch of SAO RAS, see http://www.spbf.sao.ru/prognoz/ . ...
... 2008: . ... Getting information about the studied signal in the time-frequency-power measurements allows recording and analyzing the signals, rapidly varying in time. The use of this device facilitates the separation of radio astronomical signals from noise - the registration of a broadband signal, divided into a large number of narrow areas provides the capability to eliminate the distortions, introduced by the interferences stable in frequency. ... Archive . ...
... Contacts . 2009: . ... We finalized the development of a facility for observations (including remote observations) of the star-shaped objects with the temporal resolution of 1 micro second. ... For contacts: G.M.Beskin ) . RATAN-600 Multi-Octave Frequency Range Overlapping Finalized. We finalized the multi-octave overlapping of the RATAN-600 frequency range from 0.75 to 18GHz with the frequency resolution of 1% using the parallel spectrum analysing complex. ... Archive . ...
... Contacts . 2011: . ... In collaboration with the UFU . ... It is shown that the application of modern kinematic components (the ball screws, CV joints, hybrid gearboxes), stepper and servo-controlled drives and encoders improves the accuracy of the panel positioning by the radius, angle, azimuth by 6, 4, 2 times, respectively, to reduce the backlash by 2-4 times, to shorten the panel setting time by 8-10 times, to achieve the repeatability of panel setting within 20 microns. ... Archive . ...
... Telescopes . ... 2013: . A new control system for the 1-m telescope with remote control possibility for the observation process . In 2013, the creation of a control system for the multitask 1-m ZEISS-1000 telescope was completed in SAO RAS, allowing the use of the telescope's observational capabilities in the modes of local and remote control. ... FITS 3.0-compatible archive of direct images with astrometric calibration . ... SAO RAS Report N329, 2013. Archive . ...
... Development of Mini-MegaTORTORA (MMT) - a multichannel wide-field optical monitoring system with high temporal resolution . ... The MMT system is a robotic multichannel (9-objective) optical telescope with an approximate field of view of 900 square degrees and a temporal resolution of 0.1 seconds, equipped with a system of accumulation, analysis and storage of observed data. ... The list of objects and the observed material is supplemented and updated by new and archived observational data. ...
... Modernization of the BAO NAS RA 1-m Schmidt Telescope . The modernization of the 1-m Schmidt telescope of the Byurakan Astrophysical Observatory (NAS of Armenia) is finished. ... The results were reported at the international conference "The Present and Future of Small and Medium-Size Telescopes" (SMT-2015), September 19-22, 2015, Nizhny Arkhyz . ... V.Gabrielyan, T.Movsessian, Modernization of the Byurakan Astrophysical Observatory 1-m Schmidt Telescope, SMT-2015 Conference Abstracts, p.36; . ...
... 1993: . ... It was shown that the degree of the drop in turbulence depends on the magnetic field strength and the fact that it is completely suppressed at the field strengths of 4-5 kG. As a consequence, there arise the conditions of unimpeded diffusion of chemical elements under the influence of radiation pressure, so the degree of chemical anomalies depends on the magnetic field strength. ... Archive . ...