White-light coronameter images from the High Altitude Observatory Mauna Loa Solar Observatory (Hawaii)

Regular observations of the Sun at 127 MHz started at TRAO (then a section in the Astronomical Observatory) in 1958 with a single dish, 12 m in diameter. Later, since 1960, an interferometer of 23 m long baseline was used for the purpose. The main objective of this patrol is to measure the intensity of the continuum radio emission.

However some distinctive events (bursts of radiation) produced by the active Sun are also measured. This frequency (127 MHz) is one of the lowest systematically reported, and now the collected data constitute certainly the longest series at such a low frequency.

PUBLICATIONS

09.04.2001 Solar eruption
07.04.1997 Solar eruption
08.02.2000 Solar eruption
26.04.2000 Daily Flux at 127 MHz: 1958 - 1998
Outstanding occurrences observed at 127MHz; 1958 - 1998 (PDF)

The Sun observations at 127 MHz :

Solar flux at 127 MHz	Solar activity at 127 MHz
JANUARY 2018 (no data)	JANUARY 2018 (no data)
FEBRUARY 2018 (no data)	FEBRUARY 2018 (no data)
MARCH 2018 (no data)	MARCH 2018 (no data)
APRIL 2018 (no data)	APRIL 2018 (no data)

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2000     1999     1998     1997     1996    

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Solar radio emision at 127 MHz

Noise Storm

Workplace: Torun Centre for Astronomy Department of Radio Astronomy Piwnice, 87-148 Lysomice, POLAND PL 87-100 Torun, POLAND Phone: +48 (0-56) 611-30-10, +48 (0-56) 611-30-30 Fax: +48 (0-56) 611-30-09

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Last modified 04.12.2003