The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...
... Synchronous Evolution of Galaxies in Groups: NGC 524 Group O. K. Sil'chenko and V. L. Afanasiev 245 ISSN 1990-3413, Astrophysical Bulletin, 2012, Vol. ... Four of the five galaxies revealed synchronized bursts of star formation in the nuclei 12 Gyr ago. The only galaxy, in which the ages of stellar population in the nucleus and in the bulge coincide (i.e. the nuclear burst of star formation did not take place) is NGC 502, the farthest from the center of the group of all the galaxies studied. ...
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La proposition Barbicane avait eu pour rєµsultat immєµdiat de remettre єђ l'ordre du jour tous les faits astronomiques relatifs єђ l'astre des nuits. ... Il semblait que la Lune appar¶Лt pour la premiє¦re fois sur l'horizon et que personne ne l'e¶Лt encore entrevue dans les cieux. ... Restait en dernier lieu la classe superstitieuse des ignorants; ceux-lєђ ne se contentent pas d'ignorer, ils savent ce qui n'est pas, et єђ propos de la Lune ils en savaient long. ...
VISTA Telescope Mount Factory testing prior to optics integration Paul Jeffers*a, Brian Stobiea, Stan Hermannb, Brad McCreightb a UK Astronomy Technology Centre, Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, UK b VertexRSI General Dynamics C4 Systems, 1217 Digital Drive, Richardson, TX 75081, USA ABSTRACT VISTA1 is a survey telescope which will deliver 0.5 arc second images over a 2 degree diameter unvignetted field of view. ... Thermal affects during the period of the test. ...
System of astrometrical databases of Pulkovo observatory. ... Type of coordinates equatorial (RA,DEC) or relative to some other object (X,Y). ... ITA, AE, Amer.Ephem. - ephemeris calculated in ITA, or published in AE USSR, or in Astronomical Ephemeris. ... New - new ephemeris of Pluto, which was obtained by improving Pluto's orbital elements with the regard for 211 observations obtained in Pulkovo. ... PNA . ... photo . RA,DEC. ... 1950.0 . 2000.0 . topoc. ... ITA . ... geoc. ...
... 000, 112 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...
... Этот раздел включает в себя оцифрованные копии книг, так или иначе принадлежащих к Астрономической тематике. ... Если у вас есть отсканированные книги входящие в тему этой библиотеки, обязательно напишите мне, возможно кто то давно ищет эту книгу, да и в целом пополнение библиотеки очень приветствуется. ... В.А.Бронштэн, Издательство "Наука" . ... Optomechanical Engineering Handbook Content . 1999, . Ed. Anees Ahmad, CRC Press LLC. ... Optomechanical Engineering Handbook-4, Metal Mirrors . ...
... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . ... Description and main specifications . Dnepr launch vehicle (LV) is based on the SS-18 liquid-fuelled ICBM and has a three-stage plus Space Head Module (SHM) in-line configuration. ... Dnepr LV . ...
Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Июль 1998 . ... Дата: 01 июля 1998 (1998-07-01) От: Alexander Bondugin Тема: Water History, Rock Composition Among Latest Findings A Year After Mar Subject: Water History, Rock Composition Among Latest Findings A Year After Mar Привет всем! ... Дата: 01 июля 1998 (1998-07-01) От: Alexander Bondugin Тема: February Launch Planned For Mission To Collect Samples Of Comet Dust Привет всем! ...
... 12.03.2001 . ... March 12 2001 09:00 (Moscow time) . The operations sheduled with OC "Mir" for March 11 are fully complete. The station continues in free drift. ... The onboard systems perform nominal, the Complex arrays generate enough electricity, the thermal mode is normal. Today on the Station (core block) the Motion Control System (MCS) digital central computer was powered on, it is being loaded with command software. The next status report is scheduled for March 13 2001. ...
... Ядром туманности является скопление массивных звезд R136 (бело-голубое пятно вблизи центра снимка). ... Звездный ветер, порождаемый звездами в R136, выметает газ и пыль из скопления и сжимает внутренние регионы газопылевого облака. ... Через два миллиона лет эти молодые звезды будут подобны сегодняшним звездам из скопления R136. ... Голубой цвет показывает массивные горячие звезды, зеленоватый - газ светящийся под воздействием ультрафиолетового излучения звезд скопления R136. ...
2 June 2006 2007-2009 Work Plan v1 2007-2009 WORK PLAN: TOWARD CONVERGENCE DRAFT 1 for Technical Review COVER NOTE The following is the first version for a three-year plan for GEO, 2007 to 2009. ... Page 1 of 38 2 June 2006 2007-2009 Work Plan v1 ACRONYMS ADM AMDAR AMMA APAN AVHRR CBD CEOS CERN DAPHNE DEM EC EPA EPIDEMIO FAPAR FDSN GEANT GEO GEOSS GIS GMES GOFC-GOLD GOS GPM GSN IGCO IGDDS InSAR INSPIRE IPY ITU MODIS NASA NGO NIEHS SAR SBA SPOT -VGT SST THORPEX UN UNFCCC COP ... Task No. ...
... Открыли самую большую звезду RMC 136a1! ... Сообщение . ... Добавлено: Сб Окт 16, 2010 23:42:24 Заголовок сообщения: Открыли самую большую звезду RMC 136a1! ... Я думала до не давнего времени, что самой большой звездой открытой за эру человека является Альфа Геркулес или Мю Цефея Но оказалось не так, и вот недавно вроде отыскали еще более массивную звезду и дали ей название RMC 136a1. ... Добавлено: Вс Фев 20, 2011 17:48:15 Заголовок сообщения: Re: Открыли самую большую звезду RMC 136a1! ...
Solar Physics (2006) 233: 89-106 DOI: 10.1007/s11207-006-2850-y C Springer 2006 ON THE POSSIBLE CONNECTION BETWEEN PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION A. G. KISLYAKOV and V. V. ZAITSEV Institute of Applied Physics, Nizhny Novgorod, Russia (e-mails: agkis@appl.sci-nnov.ru; za130 Dynamic spectra of low-frequency modulation of microwave emission from solar flares are obtained. ... PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION 93 Figure 2. ...
... for Cosmic Ray Observation is situated in Irkutsk (Russia). ... Real-time (preliminary) cosmic ray data in Irkutsk . ... Online Cosmic Ray and Atmospheric Pressure Data Base . ... Real-time data Uncorrected for pressure (Resolution 1 hour - 1 year) -- since 05.2001 . Real-time data Corrected for pressure (Resolution 1 min - 1 year) --- since 09.2001 . Resolution 1 hour - 1 year) --- since 06.2001 . Final data Corrected for pressure (Resolution 1 hour - 1 year) --- From 01.1975 To 07.2004 . ...
... 337, 275292 (2002) The correlation of line strength with luminosity and redshift from composite quasi-stellar object spectra S. M. Croom,1 K. Rhook,1 E. A. Corbett,1 B. J. Boyle,1 H. Netzer,2 N. S. Loaring,3 L ... We measure highly significant Baldwin effects for most broad emission lines (C IV 1549, C III] 1909, Mg II 2798, H ,H ) and show that they are predominantly caused by correlations with luminosity, not redshift. ... The correlations of log W with log(1 + z ) for each line. ...
... Астрофотография . ... Наблюдения и астрофотография . ... Создание Master Dark-а . Конвертируем RAW Darks в формат PIC ( CFA ). ... save master - dark . ... load master-dark . ... Калибровка Light-ов . ... Калибровка Light -ов на основе Master Flat -а, Master Dark -а и Файла Горячих Пикселей. ... Конвертирование CFA в RGB . ... IRIS интерполирует отсутствующие цветовые данные для конвертирования калиброванных Light -ов - которые пока еще в формате CFA - в полноцветные изображения ( RGB ). ...