Interferometric Observations on the Green Bank-Crimea Baseline—Summary


  • J. J. Broderick,

  • B. G. Clark,

  • M. H. Cohen,

  • V. A. Ephanov,

  • B. Hansson,

  • D. L. Jauncey,

  • K. I. Kellermann,

  • L. R. Kogan,

  • V. I. Kostenko,

  • L. I. Matveyenko,

  • I. G. Moiseyev,

  • J. Payne,

  • V. V. Vitkevitch


In September and October of 1969 we performed an experiment at 6 and 2.8 cm between the 42-m telescope of the National Radio Astronomy Observatory (NRAO) at Green Bank, West Virginia, and the 22-m telescope of the Crimea Astrophysical Observatory at Simeis on the Crimea peninsula, USSR. The 8035-km baseline corresponded to a separation in wavelengths of 135×106 and 286×106 at 6 and 2.8 cm, respectively. Rubidium oscillators were used at both stations for time and frequency standards, except during the 6-cm observations when a hydrogen maser was used at Green Bank. The system temperatures for the interferometer were 125° and 210° K at 6 and 2.8 cm, respectively.