... Penny Sackett presents John Anderson with a cтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Penny Sackett presents John Anderson with a commemorative sculpture . Description: Image: Vince Ford . NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ... Penny Sackett presents John Anderson with a commemorative sculpture Image: Vince Ford . ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

... Astrophysics Group . ... VLSS . ... To facilitate access for UK and European users, MRAO is providing a UK Mirror of the VLA Low-frequency Sky Survey (VLSS), which is being produced in the US jointly by NRAO and the Naval Research Laboratory (NRL). ... A catalog of discrete sources on these images created by fitting a elliptical Guassians to all sources detected at the 5 sigma level or higher. ... This survey contains publicly available images and catalog information on over 1.8 million radio...

RTT150 . ... The primary mirror 1 reflects light to the secondary mirror 2 which collects it on the focal surface of system with the linear field of 30 mm diameter. Focal length, mm . ... Linear field of view, mm . ... Angular field of view . ... Concentration of light energy at 632.8 nm wavelength . on the optical axis within the circles of diameter: . 0.036 mm, %, at least . ... 0.060 mm, %, at least . ...

The optical scheme of the instrument is sketched in Figure 1 , it is designed to match the F/20 focal ratio of the TIRGO telescope. We have, following the optical path, the window of the dewar, the order sorting filter (not in figure), a field lens, in Calcium Floride, and the slit, in the focal plane of the telescope. ... The resolving power is (for first order of grating) of about 600 in the center of J band and 950 in the center of the K band, using a slit of two pixel (3.46 arcsec). ...

... Steganography can be used to store the data used in the image file (options /E and /X) Proposed directory for placement: /pub/os2/apps/graphics Your name: A. Doff Email address: m1@uni-one.nl Program contact name: (same) Program contact email: (same) Program URL: http://home.uni-one.nl/m1 Would you like the contact email address included in listings? no Operating System/Version: OS/2 Additional requirements: Replaces: /pub/os2/apps/graphics/belvoir13.zip ...

... A hundred years later, a handful of Tunguska-sized asteroids have been spotted by telescopes, but most remain unseen. The asteroid designated 2008 TC3 , which made the news on October 6th before colliding with the Earth on October 7th was too small to constitute a part of the "Earth impact hazard". ... 2008 TC3, for example, finally exploded in the atmosphere above Sudan . ... Wednesday, 8 October 2008 01:15 . International Year of Astronomy, Ireland National Node . ...

. Echelle spectrometer . LYNX For consultations or other requests, please, contact with Dr. Maksim Yushkin: maks@sao.ru .