... 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. ...

... ABBREVIATIONS . DFS component short description . ... SEG Administration tools . AMBER . ... Archive Storage System . ... CRIRES . CRIRES pipeline . DFS . DFS tools . ... Data Organizer . ... FLAMES pipeline . ... FORS1 or FORS2 pipeline . ... GASGANO (Part of DFS interfaces project) . ... GIRAFFE pipeline . ... Munich Image Data Analysis System . ... New Generation Archive System (NGAST, NGAMS, NgamsIngest, .. ... On-Line Archive System . ... Science Archive Facility . ...

... We present a proposed standard for data dictionaries associated with catalogs being accessed through the Astrophysics Data System (ADS) Mosaic Catalog Service. Each catalog made available for searching must have a data dictionary, which consists of a set of specified keywords describing format, content and location of data. ... There are two keywords in the Table Data Dictionary which indicate to the server software that the corresponding column contains special attributes. ...

... News Latest News News Archive Newsletter Quarterly Status Report . ... Calibration strategy, status and factors limiting success: Chandra . ... Calibration strategy, status and factors limiting success: XMM-Newton . ... Calibration strategy, status and factors limiting success: Swift . ... Calibration strategy, status and factors limiting success: RXTE . ... Calibration strategy, status and factors limiting success: Suzaku . ... Calibration strategy, status and factors limiting success: Integral . ...

... HST . ... Data . ... HST Overview . ... Phase I Proposing . ... The absolute photometry for the three NICMOS cameras is derived by observing two primary absolute standards (G191-B2B and P330E) in all available filters and grisms. ... In the near-infrared a model spectrum of this star normalized to Landolt V magnitude is used for the calibration. ... Details about the model spectrum of G191-B2B and accuracies can be found in Bohlin, Colina & Finley (1995; AJ 110, 1316) and Bohlin (1996; AJ 111, 1743)...

AO Home AO Astronomy Schedule Receivers CIMA AO IDL . IDL is the recommended data-reduction package for Arecibo spectral-line data. The different back-ends produce different data format. ... Mock spectrometer standard FITS format headers . Mock spectrometer PSRFITS format headers . WAPP CIMAFITS format headers . Interim Correlator IDL headers . ... Search WAPP data . ... How to fix WAPP FITS files taken with doppler tracking in order to read them with standard FITS readers . ...

... The material in "From Stargazers to Starships" meets several important requirements of the national standards. Pages cited below are from National Science Education Standards National Academy Press, Washington 1995. ... For example: the sections on astronomy not only describe calendars and sundials (including their construction), but also the astronomy of the ancient Greeks, including two different ways in which ancient Greeks estimated the distance to the Moon. ...

... A total of 19 standard observing bands are defined at the VLA. ... The tables below describe the bands. ... VLA STANDARD BANDS - VLA SYNTHESIZER SETTINGS VLABAND VLAFEAB VLAFECD VLASYNA VLASYNB FLUKEA FLUKEB FEFILT CC 0.00 0.00 3860.1 3810.1 100.00000 200.00000 0000 UU 19.60 19.60 3610.1 3660.1 100.00000 200.00000 0000 KK 17.60 17.60 3860.1 3810.1 100.00000 200.00000 0000 LL - 3.20 - 3.20 3639.9 3560.1 100.00000 200.00000 0000 XX 13.40 13.40 3939.9 3889.9 ...

... Main . ... The RadioAstron is an international space VLBI project led by the Astro Space Center of Lebedev Physical Institute in Moscow, Russia. ... List of organizations which were taken part in developing of the project and now support the RadioAstron mission is presented here . The RadioAstron Newsletter # 29 , July 18, 2015. RadioAstron Announcement of Opportunity - 4 for observations from July 2016 to June 2017 inclusive. ... 2.7, December 17, 2015 : English version. ... Main ASC . ...

... NOTE x2192; WD x2192; PR x2192; REC x2192; IAU Standards (5 commission) . ... NOTE - публичная запись (не отражает взгляды IVOA) про идею, туториал, комментарий, x2026; Может развиться в WD, но совсем необязательно. ... PR (Proposed Recommendation) - PR-ConciseName-1.0-20091115.pdf публикуются на IVOA DOCS Page на 2 недели, создается RFC страница, которая аннонсируется председателем WG на 4 недели. ... 0 Comments on ivoa standard process This page is read-only View other revisions Administration . ...

Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Posts tagged ?standard procedure? ... statistician learning astronomy ? ... In two years of this slog?s life, there?s no posting by a statistician, except one about BEHR . Statisticians are busy and well distracted by other fields with more tangible data sets. ... Comment . ... Entries RSS . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...

... SAI CAS . ... Catalog Access Services . ... This site is about the Virtual Observatory project at the Sternberg Astronomical Institute, Moscow University ( SAI MSU ). We provide a public access to the growing set of astronomical services developed by the SAI RVO development team in accordance with the Virtual Observatory standards. ... We provide access (programmatic and interactive) to the all major and biggest astronomical catalogs (about 4 billions objects total) as well as other web-services. ...

... It was an overnight trip that had been planned for several months in advance, a Project ASTRO event that would also include a half-day study of the solar system and observations of the Sun. While viewing the crescent Moon, the students began asking about the craters. ... Do we need to start astronomy education earlier than fifth-grade? ... The ASP's Project ASTRO has prepared a catalog of projects in astronomy education to which anyone can apply or from which anyone can request materials. ...

This section of library contains information about "classic" Star Catalogs. ... For a Henry Draper Catalog 272149 stars have received a total of 531,211 identifications in 7 сatalogs: . 270456 - in Astrographic Catalogue ( "Carte du Ciel", 4M), . 251943 - in Guide Stars Catalog (GSC), . ... A file with information on the components of 1788 of multiple systems in catalog HDEC (3681 component, or a combination thereof, with 4054 recording). ... A file with information about 21971 variable stars. ...

Проект существует с июля 2002 года. Цель проекта - дать краткий обзор наиболее интересных статей, появившихся в библиотеке электронных препринтов astro-ph . Также в обзоры будут включаться статьи, появившиеся в списке astro-ph из других разделов. ... Параллельно в 2002-2003 гг. создавался списки обзорных статей, в которых подробно освещаются те или иные часто обсуждаемые вопросы (например, статья А. Линде hep-th/0107176 является одной из лучших обзорных статей по инфляции). ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

... JSC Oral History . NASA History . ... NASA Oral History Project: Earth System Science at 20 . This NASA Oral History Project features recollections from those who significantly contributed to the launch and evolution of Earth System Science. These interviews were gathered as part of the 20th anniversary of the Earth System Science Program. ... NASA Headquarters, Washington D.C. Program Manager , Stratospheric Theory and Data Analysis, Earth Science and Applications Division . ...

... INTAS , Project number 01-0809 . ... i) Fabrication and experimental study of advanced superconducting SMS junctions with a magnetic barrier (M), created, e.g., by a spin valve structure Ferromagnet -Normal Metal (and/or Insulator) – Ferromagnet, or a mesoscopic magnetic dot. (ii) Theoretical study of the frequency dependence of charge and spin currents in SMS structures with different types of magnetic barriers, created either by a ferromagnet (F), or a spin-valve structure. ...

An improved correlator for ALMA has been proposed by an European consortium including Astron (NL), Bordeaux University (FR), IRAM (FR) and Arcetri. ... The work in Arcetri has focused on the efficent design of a digital receiver, that exploits the peculiarities of the astronomical signal, i.e. the extremely coarse quantization and the stochastic nature of the input signal. ... A complex mixer followed by a two stage bandpass filter. ... Phase effects in a hybrid correlator . ...

Next: Definition of Scientific Misconduct Up: scientific Previous: Introduction . ... This Code of Good Practice closely follows the Statement on Safeguarding Good Scientific Practice issued by the Biotechnology and Biological Sciences Research Council (BBSRC) in 1998. ... The Observatory expects the highest standards of scientific integrity to be adhered to by the researchers, students and other staff that it funds, whether they are employees or associates of other institutions. ...