... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...

... 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. ...

... Printed in the U.S.A. doi:10.1088/0004-637X/691/2/1222 AUTOMATED LASCO CME CATALOG FOR SOLAR CYCLE 23: ARE CMEs SCALE INVARIANT? ... CME RATE DURING CYCLE 23 Figure 2 shows the daily CACTus CME rate for cycle 23 in red, with the International Sunspot Number (e.g., Vanlommel et al. 2004) superimposed in gray as solar cycle reference. ... The CACTus CME speeds Figure 12. ... A comparison of a sample of common events shows that on average the CDAW CME width is wider than the CACTus CME width. ...

... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...

... Space activity at the beginning of XXI-st Century view from inside G.M.Chernyavskiy STC for Earth Space monitoring of FSUE , Russia 1. The systemic approach in astronautics Everyone who has linked his life with astronautics and those who are interested in the future of the inhabitancy medium and its expansion up to cosmic scales, are troubled about the current state and development of space activity in the World and in the Native Land of the first artificial Earth satellite (AES). ...

Images of Supernova 1998bu in M96 . ... It took less than 24 hours for me to accumulate enough images of SN 1998bu in M96 to run out of space on the main page. ... Optical Light Curve of the Type Ia Supernova 1998bu in M96 and the Supernova Calibration of the Hubble Constant by Nicholas B. Suntzeff et.el. SAOTNG images . ... AUDE SN 1998bu light curves in French [ Translate ] . ... The light curve is an assemblage of submissions of the event's rise and decay in the R, V, and Visual band. ...

... Average effective wavelengths and band widths for various sp ectra Lyrae spectrum f flat k е 1014 Hz 5386 ± 18 4.66 ± 0.04 5714 ± 12 4.1 6234.5 ± 0.5 1.03 5372 ± 18 4.69 ± 0.04 eff 2 Optical Filter ID 1 2 3 4 a Fo c -6 10 erg/cm2 s 12.55 ± 0.10 11.04 ± 0.01 2.77 ± 0.004 12.63 ± 0.10 fo d 6 10 photons/cm2 s 3.40 ± 0.02 3.18 ± 0.004 0.87 ± 0.002 3.42 ± 0.02 Power-law eff f 2 е 5746 ± 317 6197 ± 253 6305 ± 31 5736 ± 316 spectra pl k 1014 Hz 3.70 ± 0.26 3.14 ± 0.16 0.88 ± 0.01 3.70 ± 0.27 Table 1. ...

... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...

... Dnepr Cluster Mission 2013 19 June 2014. ... The SC actual injection accuracy was assessed by comparison of the nominal design orbit, with the account for disturbances at separation, and the actual orbit determined on the basis of: . ... With reference to the above data, one can see that deviations of the THEOS osculation orbit parameters at the time of SC separation during Dnepr launch on October 1, 2008 did not exceed the prediction the THEOS SC was launched with high accuracy. ... Mission profile...

... 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. ...

... On the basis of hypothesis about Solar s ystem formating from endo-Galactic Vortex, stated by е.л. Trunaev, who have acquainted the author of the present work with his manuscript in 1991 during personal contact , the results of attempt to apply its main rules to some calculations at the Solar system actually and at planets satellite systems are below stated. ... orbit in . ... All satellite systems of planets, as well as the Solar system, are formed from two- branch pre-planetary (pre-Solar)...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...

The paper presents the 'Neptune-ME' information display system (IDS) as a spaceman console (SC) of the descent module of the 'Soyuz -TMA' piloted transport spaceship, and the integrated console (IC) of manual control loop for module equipment in the Russian segment of the 'Alpha' international space station. ... to control spaceship systems; . ... An integrated control console (ICC) which is hardware and software compatible with a IBM PC, is suggested as a basic console for the manual control loop. ...

... Астрономия . ... Автор tlgleonid Опубликовано в Статьи раздела "Наблюдения" 17 Февраль 2016, 16:06:54 357 просмотров Печать страницы . ... Автор tlgleonid Опубликовано в Статьи раздела "Наблюдения" 14 Январь 2016, 14:41:18 1138 просмотров Печать страницы . ... Автор Tryam Опубликовано в Мероприятия клуба 08 Октябрь 2015, 13:07:00 430 просмотров Рейтинг: 0 (0 Оценки) Печать . ... Автор Tryam Опубликовано в Астрономия в Украине 15 Декабрь 2014, 20:19:00 1715 просмотров Рейтинг: 0 (0 Оценки) Печать . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Январь 1998 . ... Дата: 19 января 1998 (1998-01-19) От: Alexander Bondugin Тема: 1997 - The Year Of Mars Pathfinder Привет всем! ... Дата: 19 января 1998 (1998-01-19) От: Alexander Bondugin Тема: Reconfigured Mars Global Surveyor Ready For Mission Based On New Orbit Subject: Reconfigured Mars Global Surveyor Ready For Mission Based On New Orbit Привет всем! ... SIRTF will enter Phase C/D in April 1998. ...

Introduction to PLASMA ASTROPHYSICS (Selected 10 lectures) Boris V. Somov Astronomical Institute and Faculty of Physics Moscow State University Pushino-na-Oke, 2008 Contents Ab out These Lectures 1 Particles and Fields: Exact Self-Consistent Description 1.1 Liouville's theorem . . . . . . . . . . . . . . . . . . . 1.1.1 Continuity in phase space . . . . . . . . . 1.1.2 The character of particle interactions 1.1.3 The Lorentz force, gravity . . . . . . . . . 1.1.4 Collisional friction . . . . . . . . . . . .

... About StarCalc . News . ... StarCalc Home Page . Short description of changes, implemented in the StarCalc, . ... CHANGES OF PROGRAM CORE FUNCTIONS. CHANGES OF PROGRAM INTERFACE. CHANGES OF OBJECT INTERFACES. ... New "Output console". ... Information, which is generated by StarCalc, is added into the console - for example, ephemeris tables. ... In the StarCalc state file can be saved autorotation parameters, object selection, object locking mode, auto start and stop autorotation mode. ...