... More information on books, telescopes, clubs, etc. is available in the Getting Started section. ... For more information call 617-495-7461. Boston University Astronomy Department - Public telescopic observing is held every clear Wednesday night. ... Boston Museum of Science - For more information and admission prices call 617-723-2500. ... For information and admission prices call 508-929-2700. ... Springfield Telescope Makers , VT. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

DIS Slits: June 12, 2002 . ... curently not available in wheel . 1.2 . 2.0" occulating bar; unpolished near edges . ... The 1.2 slit has a nonreflecting area near the edge (it was a test part). ... There are five spots in the slit wheel. If you want imaging, you can't have all five slits available, so we only have 4 available. ... The new Marconi CCDs have a 13.5 micron pixel so the scale is 0.549"/pixel using the original DIS optics (new optics being built) ...

... Tonight's Sky . ... News . ... Sky this Month . ... Star Atlas . ... New high-resolution atlas of asteroid Vesta is available to the public . ... Scientists have released a high-resolution public atlas of the asteroid 4 Vesta. ... An atlas of the asteroid 4 Vesta, which scientists created from images taken during the Dawn Mission s Low Altitude Mapping Orbit (LAMO), is now accessible for the public to explore online. ... Only registered members of Astronomy.com are allowed to comment on this article...

Orbital data : INTERBALL AZ GSE and GSM cartesian coordinates, GSE cartesian velocity (once per 10 minutes). ... Magnetic field data from IMAP experiment. Magnetic fileld absolute value and magnetic field index (the difference between absolute value and model value), status flag. ... Counts of H+ and O+ ions are accumulated during one spin period by detectors D6 (antisunward looking), D8 (spin plane), D10 (sunward looking) of TRICS2 subsystem (1.0-30 keV). ... TRICS1, TRICS2, TRICS3 subsystems: . ...

... The Einstein On-Line Service (EOLS) is a simple menu-driven system which provides an intuitive method of querying over one hundred database catalogs. In addition, the EOLS contains over 30 CD-ROMs of images from the Einstein X-ray Observatory which are available for downloading. The EOLS provides all of our databases to the NASA Astrophysics Data System (ADS) and our documents which describe each table are written in the ADS format. ... The EOLS provides three options for data retrieval. ...

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

Comment on the International Jubilee Symposium . ... The usefulness of the Internet as a method of holding international meetings without the expense of travel is also clear, but this new medium is not yet well established in this role. ... How can we move on with international cooperation in the World Wide Web era? I would like to suggest that NASA's Planetary Data System is a good model. ... At the same time, much might be done with older images, by scanning prints to create new digital files. ...

... International Astronomy Olympiad 2002 . ... The 7th International Astronomy Olympiad will be held on October 22-29, 2002 at the Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) in North Caucasus. ... Authorized National Representative Astronomy Organizations (ANRAO) of the participating countries are authorized to form the teams of the Olympiad member-states. ... VII IAO . ... Information about the International Astronomy Olympiad 2003 will be known in the late 2002. ...

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

astro-ph/0207407 . ... Comments: 15 Pages, 1 figure, LaTex with Astronomy Astrophysics macro package, submitted to A , related papers at http://www.aoc.nrao.edu/~egreisen . astro-ph/0207413 . ... Comments: Consequent to Paper I: "Representations of world coordinates in FITS". 45 pages, 38 figures, 13 tables, aa macros v5.2 (2002/Jun). ... Commets: to appear in SPIE proceedings vol. 4846, 11 pages, 5 figures . ... Commets: 10 pages, 9 figures Accepted for publication in Astronomy Astrophysics . ...

... arXiv.org . astro-ph . ... We fit the near-infrared to radio spectral energy distributions of 30 luminous and ultra-luminous infrared galaxies with pure starburst models or models that include both starburst and AGN components to determine important physical parameters for this population of objects. In particular we constrain the optical depth towards the luminosity source, the star formation rate, the star formation efficiency and the AGN fraction. ...

... Natalya V. Raguzova and Sergei B. Popov . ... We present a compilative catalogue of Be/X-ray binaries and candidates in the Galaxy and in the Large and Small Magellanic Clouds. This catalogue contains 160 sources and provides information on names and spectral types of optical components, distances, on spin characteristics of neutron stars, and on orbital and X-ray properties of binary systems. ... Be/X-Ray Binaries and candidates in the Galaxy . Galactic sources: comments to the Table 1 . ...

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

... 3-я ступень (длина 8,1 м, диаметр 2,66 м) имеет 4-камерный ЖРД однократного включения с одним ТНА (с 4 поворотными рулевыми соплами) с тягой в пустоте 298 кН. ... РН с дополнительной 4-й ступенью (тяга ЖРД 4-й ступени 67 кН), использовавшаяся с 4.2.1961 года для вывода в космос КА ?Луна-4? ... Протон ? ... На 1-й ступени ?Протона? установлено 6 однокамерных ЖРД РД-253 (с общей тягой примерно 9 МН). ... С помощью РН ?Протон? с дополнительной 4-й ступенью тягой 83 кН выводились в космос КА ?Зонд-4? ...

Dynamic Shack-Hartmann System RAPID V. G. Orlov, V. V. Voitsekhovich Instituto de AstronomМa, UNAM, MИxico CONACYT project E9507-1020P UNAM PAPIIT IN104910 Telescopes OAN OAN- SPM 2.1m telescope 1.5m telescope 0.84m telescope 2.1m telescope OAN-Tonanzintla 1m telescope Astronomical site SPM Observing statistics 1982-2002 (Tapia+ 2007 ) Photometric nights : 64.1% Spectroscopic ... Rapid - Dynamic Shack-Hartmann All modern telescopes demand installation of adaptive system. ...

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

Central Astronomical Observatory at Pulkovo of Russian Academy of Sciences PUL Analysis Center Pulkovo IVS Analysis Center (PUL) 2009 Annual Rep ort Zinovy Malkin, Natalia Miller, Elena Popova Abstract This report briefly presents the PUL IVS Analysis Center activities during 2009 and plans for the coming year. The main topics of the investigations of PUL staff in that period were ICRF related studies, computation and analysis of EOP series, and VLBI2010 related issues. ...

It is highly recommended that you use Microsoft Internet Explorer v 4.0 and not Netscape, to access the applets. Lab B in Klamath B13 is reserved on Friday's from 2-4. ... If you are on a MAC and using Microsoft Internet Explorer v 4.0 you must select the Microsoft Virtual Machine under Options/JAVA in order for the applets to work. These experiments can be run at home, once the JAVA code has loaded into your browser you no longer have to be connected to the Internet for the experiment to run. ...