... They are known: active quantum frequency standards on the ammonia molecules beams (molecular generator) on the hydrogen generator (hydrogen generator) passive quantum frequency standards on the Cs atoms’ beam (cerium atomic beam tube); active and passive quantum frequency standards with an optical pumping of Cs or Rb steams. The stability of atomic beam quantum frequency standard achieves 10^ - 14. ...

After filling in and submitting this form it will be processed and sent to WDC-B data manager responsible for the data of your interest. You will receive requested data by conventional or electronic mail according to your preference. ... E-mail address: . Regular postal address: . ... Low Atmosphere . ... Radiation Belts of Earth . International Geomagnetic Referece Field Model (IGRF) . ... Press button below to submit your request to WDC-B data manager or reset your selections. ...

... Опубликовано 25 августа 2009 г. Обновлено 1 июля 2010 г. Обновление: В результате голосования в июне 2010 г. жители округов Старк и Биллингс, штат Северная Дакота, отклонили предложение о смене часового пояса. ... Рубрика: Часовые пояса мира | Метки: Central Standard Time , Mountain Standard Time , North Dakota , Stark County , time zone , time zone change , округ Старк , Северная Дакота , часовой пояс | ... Часовые пояса мира (13) . Часовые пояса России (10) . ... Блог о часовых поясах . ...

... October 6, 09:00 09:40 . Jorge Melnick (ESO) . ... We present a statistical and temporal analysis of the ground meteorological properties recorded at the five selected sites for hosting the European Extremely Large Telescope (EELT). ... Marc Sarazin (ESO) . The organization and development of the E-ELT site testing campaign by ESO are described. ... The E-ELT Site Testing activities in northern Chile and Argentina are reviewed, and pioneering explorative campaigns are illustrated. ...

... Telescopes . ... CCD photometer . ... One of the principal devices used in observations at the telescope Zeiss-1000 is a CCD photometer. ... The count rates (electron per second) for ADU = 1e - computed throughout the image for U = B = R = I = 20.0 for an object observed at air mass equal to 1.0 with the given version of CCD at the telescope Zeiss-1000 are presented in Table 1. Table 1: Quantum efficiency and count rate in the broad-band system of the CCD photometer of the telescope Zeiss-1000. ...

... Publication Originality and Plagiarism The PASP and ASPCS publication agreements warrant that authored manuscripts are original and previously unpublished. ... Peer Review, Confidentiality, and Conflicts of Interest Reviews of all PASP manuscripts are strictly confidential and all reviewers are anonymous. ... Authors are expected to follow the recommendations of reviewers and editors to correct and augment their manuscript citations when requested to do so. ...

Chair of solid state physics . ... Students and postgraduate students . ... Basics of the experimental techniques . ... Units of physical quantities, systems of units, standards. ... Description of the measuring systems by differential equations. Backward influence of the measuring system on the experimental object: matching. ... Structure of the measuring systems. ... Interface between the computer and the measuring system. ... High-frequency generators and measuring systems. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... The received information on the metabolism state makes possible assessment of the cosmonauts' physical state throughout long-duration space flights and will be used as the basis for development and improvement of diagnostic and prophylaxis tools. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... Киевский клуб любителей астрономии "Астрополис" > . ... Товары для Любителей Астрономии > . EQDrive Standard" . ... Бердянское общество любителей астрономии "ОРИОН" . ... Благодарностей: 245 . ... 08 Июль 2013, 18:09:37 ? ... Для гурманов будут в скором будущем EQDrive-standard, EQDrive-maxi - мы над этим работаем. eqdrive_02_2.jpg (141.69 КБ, 800x600 - просмотрено 2865 раз.) ... Ответ #1 : 08 Июль 2013, 18:10:13 ? ... Цитата: OnlyBussiness от 08 Июль 2013, 23:01:34 Ответ неправильный. ...

DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

Numerical Codes for Constellations, used in the GCVS for the 88 constellations. The three-letter abbreviations are those adopted by the International Astronomical Union for standard usage, except that they are, of course, all in upper case characters in the GCVS. Code | Const | ... Ant | ... Aps | ... Aqr | ... Aql | ...

The starting page - The catalogues page - The list of the PUL2 fields - The list of the Pul-3(Pul-3SE) fields - The list of the PUL_ERS fields . please read short description of the access form controls . ... Right Ascension (ICRF/Tycho-2) J2000 at the central epoch of obs. (hours, minutes, seconds) (Obligatory parameter) . ... proper motion in RA (*cos(DE)) (ICRF/Tycho-2). (mas/yr) . ... Check the apropriate checkbox to output these data and radiobutton to select stars within interval. ...

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

... LABOROSCOPES . ... Setting the New Perfomance Standard in Laboratory and Clinical Microscopy.. ... Offering the advantages of all three major contrast techniques – Brightfield, Phase Contrast and Darkfield – and perfectly suited for photomicrography, the LABOROSCOPE? always delivers sharp, crisp images, setting the new performance standard in laboratory and clinical microscopy. ... 1 EM-15X focusing eyepiece with 2 standard graticules; a 10mm / 100div scale and a 10mm x 10mm / 400 square grid. ...

... Tonight's Sky . ... Astronomy for Kids . ... Sky Events . ... BaBar data hint at cracks in the standard model . ... The latest results from the BaBar experiment may suggest a surplus over standard model predictions of a type of particle decay called т??B to D-star-tau-nu.т?? ... Recently analyzed data from BaBar, a high-energy physics experiment in the U.S., may suggest possible flaws in the standard model of particle physics т?? the reigning description of how the universe works on subatomic scales...

... The "ATLAS Aerospace" company invites all the volunteers to pass a course of space training in the simulators of the Yuri Gagarin Russian State Scientific-Research and Test Center of Cosmonaut Training. ... The main simulators, trainers and stends are: . ... Don - 732" specialized simulator, which is used for a crew training on manual-mode control of the "Soyuz-TM" space vehicle and its systems in the course of approach and docking to the orbital station; . ...

Next: The Photometric Performance of Up: NICMOS Data Calibration and Previous: Status and Goals of . ... Absolute Spectrophotometric Standards . Absolute Photometry . ... Velocity shifts and Photometry with Narrow-band Filters . ... HST, NICMOS, near-infrared, standards, photometry, calibration . ... In practice NICMOS does not have a set of filters matching any of the standard ground-based photometric bands and this poses a challenge when trying to achieve precise absolute photometry. ...

Databases (NSDC) of the Natural Planetary Satellites. ... In the file of explanations, source of data or bibliographic reference is indicated. ... File of data (Data) *.txt. ... Les donnИes standard de la base NSDB (Standard Data) . ... Any bibliographic reference has the following fields (please, don't mix up these reference fields hereafter called "fields" with the search fields where you will enter the data and which are hereafter denoted as "search fields" or "text fields"): . ...