... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

SCORPIO descriptions and manuals . SCORPIO user's manual (in Russian) : Load PDF (Ver. ... Internal commands for RS232 comport : Load PDF . ... 2005, PaZH, 31, 214 ( Russian PDF ); . 2005, Astronomy Letters, 31, 194 ( English PDF ) . ... 2005, Bull. SAO, 58, 90 ( Russian PDF ); ( English PDF ) . ... In Russian: SAO preprint, 2002, N 166 Load PS . ... SAO, 54 Load PDF . ... Посмотреть презентацию в виде PDF . ... Спектроскопия: печали и чуть больше радости. презентацию в виде PDF . ...

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

... Supports huge images and has been tested with gigapixel-size images. ... Proposed directory for placement: /pub/os2/apps/graphics Your name: Gianfilippo Cimmino Email address: gianfli dot cim at gmail dot com Program contact name: (same) Program contact email: (same) Program URL: http://www.graphicsmagick.org/ Would you like the contact email address included in listings? yes Operating System/Version: OS/2 Warp 4.5 or eCS Additional requirements: GCC runtime (4.7.3) libc runtime (0.6.5) Replaces: ...

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. ...

... On­The­Fly Re­Calibration of HST Observations B. Pirenne and A. Micol Space Telescope -- European Coordinating Facility, ESO, Garching, D­85748 D. Durand and S. Gaudet Canadian Astronomy Data Centre, DAO, Victoria, BC Abstract. ... On­the­fly re­calibration data flow: from request submis­ sion to data delivery. ... On­the­fly re­calibration has another advantage for our archive sites: we only need to keep the raw data and calibration reference files on­line for the process to be automatic. ...

NAUTICAL ASTRONOMICAL ALMANAC for 2005-2006 (in Russian) . ... The Institute of Applied Astronomy of the Russian Academy of Sciences submits the next issue of тАЬThe Nautical Astronomical Almanac for the years 2005-2006тАЭ (NAA-2) biennial. NAA-2 is based on тАЬ The Nautical Astronomical Yearbook тАЭ (NAY) also prepared by IAA RAS. ... The structure of тАЬThe Nautical Astronomical Almanac for the years 2005-2006тАЭ has not undergone essential changes in comparison with the previous issue of NAA-2. ...

Astronomical Data Center . ... You can access the files described here in three ways: . ... Use CDS' VizieR Service at ADC to explore the data files. ... Get the data files via anonymous FTP. ... 1981) -------------------------------------------------------------------------------- Byte-per-byte Description of file : table1a Byte-per-byte Description of file : table1b -------------------------------------------------------------------------------- Bytes Format Units Label Explanations ...

Description and Technical Details . In 1980s two medium-size horizontal solar telescopes 50/35000 cm with large spectrographs Czerny-Turner made by Carl Zeiss Jena were installed in the Ondњejov observatory. The Czerny-Turner-spectrographs in the Ondњejov observatory called HSFA1 and HSFA2 according to the German name Horizontal-Sonnen-Forschungs-Anlage ("horizontal device for solar research") have been explored for more than two decades. ... Diffraction grating - Richardson, Spectra-Physics . ...

... и запускать latex (или pdflatex ) со следующей опцией: --tcx=<my.tcx> , где <my.tcx> зависит от того, в какой кодировке написан ваш текст: . latex --tcx=win2t2 myfile.tex для кодировки Windows (cp-1251) . ... Russlh is a small package which provides a russification of LaTeX independent of babel and fontenc style packages. ... in the preamble of your document and run LaTeX with the flag --tcx=<my.tcx> , where <my.tcx> depends on the encoding of your Russian document. ...

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии . The handbook of astronomical image processing. 2nd edition (djvu) . ... Желающим ознакомиться с библией по обработке астрономических изображений: . ... Астрономический Online журнал . ... Лунные феномены (редкие, необычные явления) Жизнь астрономов-любителей Анонсы астрономических мероприятий Астрономические клубы Наш "Старлаб" . ... The Handbook of Asronomical Image Processing, новое издание . ...

SAI VO . ... SAI CAS . ... Web Services . Catalog Access Services . ... SAI VO Wiki . ... Program Access . SAI CAS Wiki . SAI Web Services . ... DSS Mirror . ... We provide an implementation of IVOA standard Simple Image Access Protocol interface to our DSS mirror. Service metadata is available here . Currently, we provide the atlas service only, which returns the list of original DSS images intersecting the requested sky area. ... SAI MSU | ...

... 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. ...

A workshop to discuss the detailed science, technical design, performance and implementation plan for aperture arrays in Phase 1 and Phase 2 of the SKA. In particular we will emphasise the achievable requirements for the low frequency aperture array for SKA 1 and discuss the evolution to AA-mid in SKA 2 . ... SKA 1 : SKA phase 1, construction 2016 - 2019, science operation 2020 . SKA 2 : SKA phase 2, construction 2018 - 2023, science operation 2024 . ... Workshop dates . 8-10 December . ...

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

Stellarium 0.12.3 . ... Classes . ... ClassљList . ... Static Public Member Functions . CLIProcessor Class Reference . ... argsGetOption (const QStringList &argList, QString shortOpt, QString longOpt) . Check if a QStringList has a CLI-style option in it (before the first ). ... Retrieve the argument to an option from a QStringList. ... Check if a QStringList has a yes/no CLI-style option in it, and find out the argument to that parameter. ... a long-form option string, e.g. "&ndash;help" . ...

Next: Presentation of the results Up: World Wide Web version Previous: WWW access . On the main page, a very short description of the program may be found. ... The first link brings the user to a very friendly interface of the main code, where all parameters can be set and the calculations can be started. The second lonk provides a list of papers containing the results of the Scenario Machine calculations beginning from 1983 untill 1996 and a short description of the code. ...

MATHEMATICAL MODELING: . ... This model is developed on the base of the probabilistic description of the collisional aeronomical processes and is realized on a computer as the numerical system (stochastic model). ... Shematovich, V.I., Bisikalo , D.V.             Nonequilibrium processes in the planetary and cometary atmospheres. ... In Russian) . ... Piarnpuu , A. A.; and Shematovich, V. I.       Construction of structural stochastic models of collision processes in rarefied gas media (abstract) . ...