... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Top Ten Discoveries of the Phoenix Misson to Mars? by Suzanne Young . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Integrated superconducting submm receivers and spectrometers. ... The main objective of this work is to develop and test a family of Superconducting Integrated Receivers ( SIR ) with quantum-limited sensitivity and high-resolution spectrometers for submm wave frequencies (up to 700 GHz). ... Fig 10.a. Fig. 10.a. Spectra measured by Integrated Receiver (FFO frequency = 495 GHz) at the gondola altitude 30 km for the limb scanning in the range 10.5 - 30 km with 1.5 km increment (from top to bottom). ...

Reloading smiswww.iki.rssi.ru ...

... IONOSPHERIC DATA IN THE INTERACTIVE SPIDR SYSTEM . ... The Ionosphere The ionosphere is that part of the upper atmosphere where free electrons occur in sufficient density to have an appreciable influence on the propagation of radio frequency electromagnetic waves. ... These regions may be further divided into several regularly occurring layers, such as F1 or F2. ... E Region: The region between about 95 and 150km above the Earth that marks the height of the regular daytime E layer. ...

... Comments: 7 pages with 3 embedded figures. ... Title: A high frequency radio study of G11.2-0.3, a historical supernova remnant with a flat spectrum core . ... Title: Superluminal motion in a compact steep spectrum radio source 3C 138 . ... Title: Compact steep-spectrum sources from the S4 sample . ... Accepted for ApJ. 42 matches for the search pattern steep spectrum . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/steep+spectrum+/0/1/0/past,all/7/0 www-admin@xxx.lanl.gov ...

... After hearing and discussing Rocket-Space Corporation Energy General Designer U.P.Semevov's report on the fulfilling the flight program of the orbital complex Mir and proposals on its further exploitation, the Council draws attention to: . ... According to the Russian Government Resolution No. 76 of January 21, 1999 a large amount of work to find and attract Russian and foreign investments to provide the further exploitation of the orbital station Mir was carried out. ...

. Shown here is my first self made instrument, which I designed and built from 1995 to 2001. It is the 110-mm f / 7,3 Newtonian reflector on the German equatorial mounting. Your can see two versions of the mounting and some fotos of details.