... They are known: active quantum frequency standards on the ammonia molecules beams (molecular generator) on the hydrogen generator (hydrogen generator) passive quantum frequency standards on the Cs atoms’ beam (cerium atomic beam tube); active and passive quantum frequency standards with an optical pumping of Cs or Rb steams. The stability of atomic beam quantum frequency standard achieves 10^ - 14. ...

... With respect to the foreign participants of the Meeting, the Organizing Committee cordially asks the authors to provide their oral and poster presentations and abstracts in easy and understandable English. Nevertheless, both English and Russian will be the official languages of the meeting, the oral translation services from Russian into English will be organized only in exceptional cases on the presenting author's request made well in advance. ...

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... Home Articles Choosing and Using Binoculars . ... Beyond New York City . ... Choosing and Using Binoculars . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... For instance, if you observe with a 7 x 50 pair of binoculars under a city sky, this is like observing with a pair of 7 x 35 binoculars. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

. Comment on J0957+5522 . A 5 GHz MERLIN image (Xu et al. 1995) shows a 200 mas jet pointing to the W, and indicates that the core is elongated to the SW. Our map of the core region indicates a bending jet from mas to arcsecond angular scales. VLBApls home page . Last modified: 16 Oct 2000

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