CONNECTION BETWEEN THE SHOCK WAVE SPEED AND II TYPE RADIO BURSTS DRIFT VELOCITY

Автор(и)

  • E. A. Isaeva Institute of Radio astronomy of NAS of Ukraine, URAN-4 observatory, Україна
  • R. O. Kravetz Institute of Radio astronomy of NAS of Ukraine, URAN-4 observatory, Україна

DOI:

https://doi.org/10.18524/1810-4215.2016.29.85212

Ключові слова:

drift velocity, shock wave, II type radio bursts

Анотація

The substantial arguments of strong connection between shock wave speed and drift velocity of II type radio bursts in 25-180 MHz range are presented. The studied sample has included 112 proton events that were accompanied with coronal shock waves. To evaluate drift velocity and shock wave speed there was used original records of dynamic spectra from radio spectrograph in 25- 180 MHz range. The velocities of shock waves were evaluated with the power mode model of solar corona density falloff.

Посилання

Cairns I.H. et al.: 2003, Space Sci. Rev., 107, 27.

Classen H.T et al.: 2002, A&A, 384, 1098.

Galanin V.V. et al.: 2015, OAP, 28, 256.

Gopalswamy N. et. al.: 1998, J. Geophys. Res., 103, 307.

Grechnev V.V. et. al.: 2008, Solar Phys., 253, 263.

Newkirk G.: 1961, Astrophys. J., 133, .983.

Tsap Yu.T. et al.: 2012, G&A, 52/7, 921.

Tsap Yu.T. et al.: 2013, Cosmic Reseach, 51/2, 108.

Vrsnak B. et al.: 1995, Solar Phys., 158, 331.

Wagner W.J. et al.: 1983, A&A, 120, 136

##submission.downloads##

Опубліковано

2016-12-02

Номер

Розділ

Радіоастрономія