The problem of measuring the surface accuracy of a large reflector antenna is not simple. ... Using the Fourier relationship connecting the shape (and phase) of the radiation pattern and the antenna illumination function, a measurement of the former can be used to infer the latter. ... We have performed three set of measures on the CNR-IRA 32-m radio telescope (image) . 1988: Measurements using Misell phase retrieval algorithm, and the 22 GHz Orion water vapor maser as a reference source. ...

The night after the John Glenn program, I pitched the terraforming idea to my students. I asked them if they'd like to terraform Mars as a big class project; I wanted to throw the idea to them and see how they would react. Already I had a vision of splitting the class into several groups and having each group take charge of a portion of the project. ... Following my initial idea on how to conduct the project, I split the class into six groups, each student choosing his or her group. ...

... CONTACT . P. Andreani (ESO) . D. Bockelee-Morvan (Paris) . ... C. De Breuck (ESO) . ... R. Laing (ESO) . ... M. Zwaan (ESO) The Herschel Satellite and the Atacama Large Millimeter Array (ALMA) are two very large sub-mm and far infrared (FIR) astronomy projects that are expected to come into operation in this decade. ... This report is addressed to an audience of non-specialist astronomers who may be interested in extending their areas of research by making use of Herschel and ALMA instruments. ...

... Proposed location of the new generation Russian VLBI network radio telescopes Kaliningrad St. Petersburg Zelenchukskaya (Zc) Badary (Bd) Ussurijsk Working frequency bands for the new generation Russian VLBI network S X Ka 2.2 2.6 7.0 9.5 27 33 F, GHz Data acquisition parameters 4 frequency bands : 512 MHz bandwidth x 2 polarisations or 1024 MHz bandwidth x 1 polarisation 2-bit sampling ...

. Any UNIX system can have many users on it at any one time. As a user you are given a home directory in which you are placed whenever you log on to the system. User's home directories are usually grouped together under a system directory such as /home . A large UNIX system may have several hundred users, with their home directories grouped in subdirectories according to some schema such as their organisational department. Example . Did You Know? .

... Galaxy Group Hickson 44 . ... 19.03.2007 . ... Pictured above is nearby compact group Hickson 44. ... Also known as the NGC 3190 Group, Hickson 44 contains several bright spiral galaxies and one bright elliptical galaxy on the upper left. ... Many galaxies in Hickson 44 and other compact groups are either slowly merging or gravitationally pulling each other apart. ... March 2007 . ... Publications with keywords: galaxies - group of galaxies . Publications with words: galaxies - group of galaxies . ...

... Outreach . ... Contact Me . Student Outreach Group . ... The graduate students at RSAA run a public outreach program. We invite schools to participate in astronomy evenings held at the Mt Stromlo Observatory. The program is aimed at primary and high school students and its objective is to foster interest in astronomy. ... For more information or to arrange a date for your school to participate please contact us by email (preferred) or by phone: . Email: . ... Copyright 2007 Emma Kirby. ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

. уВµуГЪуГ®уВµVLBIуГЧуГнуВ¦уВзуВпуГИ я®П Space VLBI Project . VSOPшиИчФЁя®ИуБпуВЛуБЛя®Й . я®П VSOP Project (1997-2005) . VSOP-2шиИчФЁя®ИASTRO-Gя®Ъф¦нцнвя®Й . я®П VSOP-2 Project (terminated) . хоЗхоЩчзСхнжчаФчйґцЙА я­Ь ISAS . хоЗхоЩшИкчйЎчаФчйґщЦЛчЩЎцйЯцзЛ я­Ь JAXA . Copyright 2006 Radio Astronomy Group .

... After the 2nd World War, the Executive Committee of the International Astronomical Union (IAU) made two groups in Moscow responsible for catalogues of variable stars. ... Presently, the variable-star catalogue groups still exist within the Sternberg Astronomical Institute and the Institute of Astronomy of Russian Academy of Sciences . ... Elena Kazarovets (variable stars in open clusters, Peremennye Zvezdy journal, GCVS) . ... Nataliya N. Kireeva (variable stars, globular clusters, GCVS) . ...

... We are a group of students from different schools of the town Zelenogorsk who come to the Center of Education to participate in the international educational project: "Beautiful places - open hearts". ... For a population of seventy thousand people Zelenogorsk offers two cinema halls and a Palace of Culture, two libraries, ecological and historical museums, art galerry, two sports centres, chess club, one downhill skiing course and two cross country tracks wich are illuminated. ...

... Alignment is completed (so far) and it was time to address the installation of the camera. A miscalculation has the camera running into the removeable floor hatch. As an illustration, the group prepares a crude template of the camera. After some preliminary discussion the template is put in place. Note the floor hatch has been removed. To reconfirm the template size, the template was placed against the camera. ... Additional installation pictures tomorrow. ...

... This software appears to conflict with use of the ports for serial device control. If you are using a USB to serial converter, then you will need read/write access to /dev/ttyUSB0 or something similar. ... Alternatively, make the device available to the world by (1) as root chmod a+rw /dev/ttyUSB0 whenever a USB device converted is inserted or powered on or (2) adding a MODE="666" entry to the appropriate line of a rules file in /etc/udev/rules.d . ... Devices from other manufacturers may not. ...

... Next: Organizing Observational Data Up: Data Models and Previous: Source-searching in Photon-event . ... We present an overview of the workings of the OGIP FITS Working Group (OFWG). ... The Office of Guest Investigator Programs (OGIP) at the Goddard Space Flight Center has organized a working group to identify appropriate conventions, and, with community support, to encourage adherence to these conventions. ... serving the entire FITS community . ... fits_info/ofwg_minutes . ...

SAI, graduates year 1982. ... Note: when just a 7-digit phone number is shown, it refers to a phone located in Moscow (international access 007-495). "+" in front of a number means that you must dial an international access code first (or just press "+" on your mobile phone keypad). ... 939-1672(work); . ... Ataev Sasha . 1-(703)-536-8881(home) (USA); . ... Bychkov Sergey . ... 1-(410)-740-8205(home), +1-(301)-286-2150(work) (USA); . ... 1-(412)-767-0332(home), +1-(412)-608-9339(mobile) (USA); . ...

... Some people have asked why Venus appears in "different places" in these photos. ... Dave Wallace . ... It was taken from Brookline, NH using my Celestron 5" SCT through a Tutill Solar Skreen filter using Fuji Superia Reala color print film. ... Marblehead Middle School Fifth Grade Students viewed the 2004 Transit of Venus from Riverhead Beach on Marblehead Harbor when the Sun broke through the clouds at about 6:45 a.m. Eyepiece projection with my 8" Meade SCT and Televue 32mm Plossl worked well. ...

. Computer Ephemeris. Mean places of polar fundamental stars. Explanations. Table presented contains mean places at the middle of the year of all north polart FK5 stars with 80

The main purpose of the Magnetospheric Yellow Pages is to provide links to space physics data servers. However, we also provide a list of groups and institutions that do magnetospheric physics. ... The list of Institution Pages starts with a list of institutions that do magnetospheric physics and which host magnetospheric physics web servers. ... Then by clicking on one of those links you jump to the remote site that is listed - e.g. whatever web server actually hosts those web pages. ...