This service gives a list of data centers (observatories) providing solar radio observations useful to the solar physics community.
Last update: 2 December 2019
Imaging observations:
| SunDish project (solar observations with INAF radio telescopes) | Cagliari and Bologna, Italy | 18-26 GHz | 2D spectro-polarimetric imaging with resolution about 1 arcmin. Weekly observations (on average) since 2018 |
| Siberian Solar Radio Telescope (SSRT) | Irkutsk, Russia | 5.7 GHz | 2D radio maps avaliable from 10 October 1997 till now. |
| Metsähovi Radio Observatory (MRO) | Kylmälä, Finland | 37 GHz | Data available from 1978 till now, normally one solar map per day, at summer months special sessions up 14 hours per day. It will take about 150 seconds to make a one radio map. |
| Nobeyama Radioheliograph (NoRH) | Nobeyama, Japan | 17, 34 GHz | 17GHz (Right and left circular polarization), 34GHz (only intensity); Spatial resolution: 10 arcsec (17GHz), 5 arcsec (34GHz); Temporal resolution: 0.1 sec (Event), 1 sec (Steady); http://solar.nro.nao.ac.jp/norh/html/introduction.html |
| Owens Valley Solar Array (OVSA) | Owens Valley, USA | 1.2-18 GHz | 39 frequencies between 1.2 and 18 GHz; |
| RATAN-600, SAO, Russia | Nizhnij Arkhyz, Russia | 0.7-18.2 GHz | Images 1-D scans at 112 frequency channels,Each day observations are between 7:00 UT to 11:00 UT. Time cadence is about 5 observations per day. Maximum is to 60 observations per day. I&V Stokes parameters at all channels with 1% frequency resolution. |
| Nancay Radio Heliograph (NRH) | Nancay, France | 0.15-0.45 GHz | 47 antennas interferometer, up to 10 frequencies |
| Gauribidanur RAdioheliograPH (GRAPH) | Gauribidanur, India | 0.08 GHz | 0.25 second cadence. Images during local meridian transit of the Sun available online since 2014. Daily observations are usually during the interval 04:00 – 09:00 UT |
Whole-Sun dynamic spectra:
| URAN-2 | Poltava, Ukraine | 8-33 MHz | Dual polarization, time resolution 1-100 ms, frequency resolution 4 kHz, solar observations since 2010; The dynamic range of DSPz is 90dB |
| Metsähovi Radio Observatory (MRO) – Callisto | Kylmälä, Finland | 50-850 MHz | (200 channels) with two polarizations (V/H). 0.25 second cadence. Data available from October 2010 til now. Data is recorded daily from sunrise to sunset. |
| Trieste HF CALLISTO System | Basovizza (Trieste), Italy | 45-81 MHz | 200 channels, 0.25 s cadence. Data available from Januar 2014 till now, normally between 06:00 UTC and 16:00 UTC; data files updated every 15 minutes |
| Glasgow | Glasgow, UK | 45-80 MHz | Callisto: Observations since October 10, 2012, 0.25 second cadence, normally between 05:00 UT and 18:00 UT |
| Humain | Humain, Belgium | 45 – 447 MHz | Callisto: 200 frequency channels, 0.25 s cadence. Data available from Summer 2008. Timerange:7h30 – 16h00UT
ARCAS: 45 – 450 MHz, ~4200 frequency channels, 98 kHz resolution, ~84 ms time resolution. Data available since November 2016, between 7:30 and ~16:00 UT
|
| Observatory Solar RadioAstronomy (OSRA) at Tremsdorf | Tremsdorf, Germany | 40-800 MHz | operated 1954 – 2007 |
| Siberian Solar Radio Telescope(SSRT) | Irkutsk, Russia | 4000 – 8000 MHz | 26 frequency channels, RCP&LCP spectral data are available from 1 August 2010 till now (In summer 23.00 — 10.00 UT, in winter 02.00 — 08.00 UT). 1 second cadence data are available on the website, 10 milliseconds are available upon request (http://badary.iszf.irk.ru/spectrometer_4_8_query_date.php) |
| Gauribidanur LOwfrequency Solar Spectrograph (GLOSS) | Gauribidanur, India | 35-85 MHz | (Recently upgraded to 35-435 MHz) 0.25 second cadence. Type II burst spectra and daily spectra available online since 2009 onwards. |
| HSRS | Humain, Belgium | 275 – 1495 MHz | ~12500 frequency channels, Cadence ~0.25 s. Data available from August 2015, between ~07:30 and 16:00 UT. |
| Hiraiso Radio Spectrograph (HiRAS) | Hiraiso, Japan | 25-2500MHz | Data since 1996, see details here http://sunbase.nict.go.jp/solar/denpa/hiras/doc.html |
| Learmonth Solar Radio Spectrograph | Learmonth, Australia | 25-180 MHz | sweeps through a frequency range of 25-180 MHz every three seconds |
| Trieste VHF CALLISTO System | Basovizza (Trieste), Italy | 220-420 MHz | 200 channels, 0.25 s cadence. Data available from June 2012 till now, normally between 06.00 and 16.00 UTC; data files updated every 15 minutes |
| ARTEMIS–Jean Louis Steinberg Radiospectrograph (ARTEMIS-IV) | Thermopylae, Greece | 20-650 MHz | 0.1 second cadence, 630 Channels |
| IZMIRAN Solar Radio Observations | Troitsk, Russia | 20-260 MHz | digital spectrograph; time resolution 0.02 s |
| Ondrejov Solar Radio Telescopes | Ondrejov, Czech Republic | 2000-4500 MHz | Spectrograph and single frequency observations |
| Green Bank Solar Radio Burst Spectrometer | Green Bank, USA | 18-70 MHz | no data since July 2012 |
| Culgoora Solar Radio Spectrograph | Narrabri, Australia | 18-1800 MHz | weeps through a frequency range of 18 – 1800 MHz every three seconds |
| ETH Zurich 5m dish Bleien | Bleien, Switzerland | 1590-1650 MHz | Time Resolution 0.25s, bandwidth 300 KHz |
| ETH Zurich 5m dish STS | Zurich, Switzerland | 1415 – 1432 MHz | Look for files ZSTS* in: http://soleil.i4ds.ch/solarradio/callistoQuicklooks/ |
| e-Callisto network | around the world | 10-800 MHz | Various cadences, usually about 0.1 s |
| ETH Zurich LWA Bleien | Bleien, Switzerland | 10-80 MHz | dual circular polarization, timeresolution 0,25s, bandwidth 300 KHz, http://soleil.i4ds.ch/solarradio/callistoQuicklooks/ File start with BLENSW* (SW for short wave) |
| Nancay Decametric Array | Nancay, France | 10-100 MHz | 144 helicoidal/conical antennas spread on a 7000 m² area. |
| Phoenix-3 | Bleien, Switzerland | 100-5000 MHz | 0..1 s, 5000 channels dynamic spectrum |
Radio flux or lightcurves at fixed frequencies:
| Ventspils International Radio Astronomy Center (VIRAC) RT-32 | Irbene, Latvia | 6.3-9.3 GHz | single dish test observations, 16 frequency bands, RCP and LCP |
| RT-2 and RT-3 Kislovodsk Mountain Astronomical Station of the Pulkovo Observatory | Kislovodsk, Russia | 6.15, 9.35 GHz | New data available from April 2002 till now, normally between 05:00 UT and 13:00 UT. Realtime data updated every 15 minutes. Older data is available from July 1957 to August 1992. |
| Siberian Solar Radio Telescope | Irkutsk, Russia | 4.5, 5.2, 6.0, 6.8, 7.5 GHz | Correlation curves |
| Siberian Radioheliograph (SRH) | Irkutsk, Russia | 4.5, 5.2, 6.0, 6.8, 7.5 GHz | SRH correlation plots (Stokes I, V) avaliable from July 2016 till now. |
| Solar Submillimeter-wave Telescope (SST) | El Leoncito, Argentina | 212, 405 GHz | a cluster of 6 beams, 4 at 212 GHz with approximate HPBW of 4′, and 2 at 405 GHz with approximate HPBW of 2′ |
| Siberian Solar Radio Telescope(SSRT) – Spectropolarimeter 2 – 24 GHz | Irkutsk, Russia | 2.34, 2.57, 2.85, 3.20, 3.63, 4.16, 4.82, 5.62, 6.60, 7.82, 8.75, 10.10, 13.20, 15.70, 19.90, 22.93 GHz | Daliy data with two circular polarizations (RCP&LCP) available from March 7, 2011 till now. |
| Metsähovi Radio Observatory (MRO) – Sunant | Kylmälä, Finland | 11.2 GHz | Sampling rate 1 kHz. Data available from 2001 till now. Data is recorded form sunrise to sunset. |
| Nobeyama Radio Polarimeters | Nobeyama, Japan | 1, 2, 3.75, 9.4, 17, 35, 80 GHz | Full Sun, time resolution 0.1sec |
General data archives:
- Radio survey project by the Paris Observatory, the University of Athens, the University of Ioannina and the Solar Physics Branch of the Naval Research Laboratory
- BASS2000 archive provides optical and radio images produced in France (Institut National des Sciences de l’Univers / Observatoire de Paris)
- European Grid of Solar Observations (EGSO)
- NGDC solar radio data (including RSTN network) from US National Oceanic and Atmospheric Administration website and SWPC warehouse (ftp://ftp.swpc.noaa.gov/pub/warehouse/)
- synoptic radio data provided the French space agency
- RSTN (Radio Solar Telescope Network) spectral and single frequency data