... 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 .

... DESCRIPTION General Catalog of Variable Stars (GCVS database) . ... Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1990, General Catalogue of Variable Stars, 4rd ed., vol.IV, Nauka, Moscow. Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1992, General Catalogue of Variable Stars, 4rd ed., vol.IV, Bull. ... Kazarovets E.V., Durlevich O.V. Editor-in-Chief Samus N.N., 1998, New Catalogue of Suspected Variable Stars. ...

... Co-ordinate systems description . Directories structure . The file names' construction . The file set description . ... The orbital information for each month is presented in the separate directory. The INTERBALL orbital data are located on the STDA server, for each month in the separate subdirectory, which name consists from the year (YYYY) and month (MM) numbers. The Parent Directory of the Tail Probe orbital data is http://www.iki.rssi.ru/da/interball/tail/orbit/ . ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... VLBI . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... Description Actuator lengths determined from encMount and the mirror model. ... Values 3-6 . ... Type Float (float,flt4) . Units microsteps . Invalid nan . ... Type Bool (int,int2) . ... Description Desired encoder lengths, in actuator microsteps, based on desOrient and the mirror model. ... Description desired mirror orientation . ... Type Int (int,int4) . ... Description State of connection to the Galil (a device the mirror controller talks to) . ... Description Mirror currently moving . ...

... A bright flare-up of emission (>1000 Jy) was found in OH-maser source during tests of 18cm receiver in observations with Kalyazin 64-m radio telescope (August 2004). ... Appendix (The list of used acronyms) ASC Cold Plate DC Astro Space Center of Lebedev Physical Instutute cooled LNAs and antenna feed hermetic device container (part of payload ); it contains Formatter, Rb oscillators, synthesizer, control unit and is placed under dish DM Device Module = DC + H-maser EGSE ...

... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... What would cause Earthт??s orbit to become more circular instead of its present elliptical orbit, and has this ever happened before? ... Gravitational interactions among the planets cause the ellipticities of the orbits to oscillate periodically by a few percent over millions of years. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

Data Servers sorted by Data Type . Data Servers sorted by Institution . Project Pages (e.g. project descriptions without data) . Group & Institution Pages (without data) . Magnetospheric Yellow Pages home page . About the Magnetospheric Yellow Pages . How to Use the Magnetospheric Yellow Pages . ... NASA's Space Physics Data System Home Page . NASA's Space Physics Data Facility . NSSDC Home Page . ... These pages are produced and maintained by Geoff Reeves . ...

... This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... Great Refractor . ... Image Credit: B.F. Nutting, A. Sonrel . ... One thing that seems to be missing from this image is a finder telescope. ... The image is credited this way: . ... Annals of the Astronomical Observatory of Harvard College / History and Description of the Astronomical Observatory of Harvard College vol. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

It is a matter of common knowledge that in processes of genesis and evolution of many solar phenomena participate magnetic fields of sunspots. ... As a basis for formation of the database we take data on magnetic fields, collected by set of observatories during many years of observations. ... Section "Magnetic field data" contains data of magnetic field observation for separate sunspots, presented in standard text format (ASCII). ... Description of structure of these files is presented here . ...

Blackholes Forum Message . Forums: . ... Discussion Forums | Blackholes I | Post . ... It Happens Without The Mirror . ... Post Message | ... Posted by Clerk on February 1, 2005 03:59:23 UTC . ... They need the mirror.... - duordi - February 2, 2005 - 19:04 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

About us . ... Telescopes . ... Apart from the 6-meter telescope BTA two small telescopes are operative at SAO: the 1-m and 0.6-m telescopes, both manufactured by Carl Zeiss, Jena, are located near the BTA. ... These telescopes are used for adjusting the equipment and techniques of observations used at the BTA. ... The observational time allocation and also a brief description of the equipment of the 1-m telescope, which is used either permanently or mainly on this telescope, are presented below. ...