Coordinated multifrequency observations of OJ 287 and MK 421 (March 1993)

A. Sillanpää, L.O. Takalo, E. Valtaoja, H. Teräsranta, Yu.S. Efimov, N. Shakhovkoy, J. Heidt, H. Bock

Research output: Working paperProfessional

Original languageEnglish
Place of PublicationThe Netherlands
Publication statusPublished - 1994
MoE publication typeD4 Published development or research report or study

Publication series

NameIAU Symposium 159, Active Galactic Nuclei Across the Electromagnetic Spectrum, 30.8.-4.9.1993
PublisherKluwer Academic Publishers


  • galaxies: active
  • quasars

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