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RATAN-600The world's largest radio telescope with a 600-m reflector© Дарья Сокол, пресс-служба МФТИ -
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RATAN-600The world's largest radio telescope with a 600-m reflector© В. Малдер, 2019
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RATAN-600The world's largest radio telescope with a 600-m reflector© E. Азанов, 1987
Telescope
RATAN-600 is a radio telescope with a variable-profile circular antenna of 600 m in diameter, the largest Russian telescope, which performs mass measurements of galactic and extragalactic radio sources at frequencies of 1.2, 2.3, 4.7, 8.2, 11.2, and 22.3 GHz quasi-simultaneously (within 1-3 min). The main advantages of the instrument are high brightness-temperature sensitivity and multifrequency observations.
Daily Sun observations
The figure shows multiwave radio emission scans - graphs of the distribution of intensity I and circular polarization V across the solar disk, obtained with RATAN-600. The color scale on the right corresponds to 80 wavelengths in the range from 1.65 cm to 10 cm. The upper left hand corner shows the date and time of obtaining the radio data (available on the page with a detailed information). Polarized emission V characterizes the magnetic-field strength in solar active regions.
RATAN-600 multi-frequency catalogue of blazars
The online multi-frequency catalogue of blazars summarises RATAN-600 measurements of more than 1600 blazars.
Scientific results
Archive of materials
We present a study of the multiwavelength (MW) variability of the blazar AO 0235+164 based on the radio-to-γ-ray data covering a long time period from 1997 to 2023. The radio data are represented by the 1-22 GHz measurements from the SAO RAS RATAN-600 radio telescope, the 5 and 8 GHz data from the IAA RAS RT-32 telescopes, and the 37 GHz data from the RT-22 telescope of CrAO RAS.
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The flat-spectrum radio quasar PKS 2126-15, located at z=3.26, has been identified as one of the first high frequency peaker (HFP) objects with a maximum in its radio spectrum around 8 GHz. It is represented in the BLcat catalogue of blazars monitored with the RATAN-600 radio telescope at 1.2-22.3 GHz since the 2000s.
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We present the first X-ray spectropolarimetric results for Cygnus X-1 in its soft state from a campaign of five IXPE observations conducted during 2023 May–June.
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Call for Proposals
Observational proposals are accepted via an interactive form twice a year: from February 1 to March 10 and from August 1 to September 10.