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1. Technicality RATAN-600
. Diameter of circular antenna . 576 m . Number of antenna elements . 895 . Size of an element . 11.4 x 2 m . Geometrical area . 15000 m 2 . Effective area of full circle . 3500 m 2 . Wavelength range . 1 - 50 cm . Frequency range . 610 - 30000 MHz . Maximum angular resolution . 2 arcsec . Accuracy of coordinate determination . 1-10 arcsec . Flux density limit . 0.500 mJy . Absolute brightness temperature limit . 0.050 mK . Tracking time (South sector + Flat mirror) . 1-3 h . [RATAN-600 Homepage]
[ Сохраненная копия ]  Ссылки http://www.sao.ru/ratan/technic/desc.html.en -- 2.7 Кб -- 01.10.2012
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2. Cosmological Gene project
In the PROJECT we are using the following peculiar . features of RATAN-600 . ... Brightness temperature sensitivity being equal to the antenna temperature sensitivity .. ... Receiver system .. ... Using aperture averaging effect. dual- beam and dual (multi-) frequency filtration, we demonstrated full filtration of the atmosphere noise down to the receiver noise at all scales of acoustics peaks ( Fig.1 , Fig 2 ). ... We select this frequency as the central one in our project. ... Antenna surface . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
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3. HyperLEDA documentation: parameter: brief
The parameter brief (with its actual uncertainty sbrief) is the mean effective surface brightness in B-band , i.e. the mean surface brightness inside the effective aperture (the circular aperture enclosing one-half the total flux). It is expressed in mag arcsec -2 . ... 2) from the mean surface brightness "LV" inside the effective isophote (elliptical isophote enclosing one half the total flux) measured by Launberts&Valentijn (1989) . ... Effective radius . ... HyperLeda . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/fetch/HL/leda/param/brief.html -- 4.0 Кб -- 23.12.2013
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4. http://www.sao.ru/drabek/CCDP/SITe/502datsh.pdf
... 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 ...
[ Текст ]  Ссылки http://www.sao.ru/drabek/CCDP/SITe/502datsh.pdf -- 643.8 Кб -- 11.11.1998
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5. How to reach SAO
... If you have wished to reach the Special astrophysical observatory the best way is to communicate with Tatyana N.Sokolova: . SAO RAS, Nizhny Arkhyz, . ... A visit to the 6-meter optical telescope BTA, the radiotelescopes RATAN-600 of 600 m in diameter of SAO RAS and the new 32-m dish of the Institute of Applied Astronomy of RAS. ... The visit to SAO, including meals, airflight and local transportation and accommodation, will cost a total of about 220 USD per person. ... 8 USD/per person/per night . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lran/vo/how_get_SAOe.html -- 4.9 Кб -- 01.10.2012
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