Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...
... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 45 Gyr than in the sparse ones. ...
ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...
... Ведь сколько лет ждала ПЕНЕЛОПА своего ОДИССЕЯ. ... 450 лет со дня рождения Дж.Бруно (1548 - 17.II 1600) . ... 100 лет со дня рождения Ш. Мур-Ситтерли (24.X 1898-1990) АК-98 . ... Московское бюро журнала Nature предлагает ученым и специалистам уникальную возможность доступа к информации о последних результатах коллег во всем мире - льготную (гораздо дешевле, чем в других странах) подписку на журналы семейства Nature: Название Цена подписки (число номеров в годовом комплекте) Nature (52) 700 руб. ...
GEOMAGNETIC POLAR CAP (PC) INDEX The PC-index is a fifteen-minute index for magnetic activity in the (P)olar (C)ap. It is based on data from a single nearpolar station, and aimed to monitor the polar cap magnetic activity generated by such solar wind parameters as the southward component of the interplanetary magnetic field (IMF), the azimuthal component of the IMF (By), and the solar wind velocity (v). ... 1988), Vennerstrom (1991), and Vennerstrom et al. 1991). ...
The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...
... The BURAN orbiter is the first reusable manned space vehicle in our country. The BURAN orbiter is the space airplane which may descent from an orbit and land to an airdrome . ... BURAN orbiter . ... CREATION AIRFRAME OF THE BURAN ORBITAL SPACESHIP . ... Radio-Navigational Maintenance of the Atmospheric Descent and Landing of the BURAN Orbital Spaceship " by Shcharensky V.A.; . ... Landing Complex for the BURAN Orbital Spaceship " by Yakhno V.A., Studnev V.V.; . ... FROM SPIRAL TO MAKS . ...
The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...
... Сегодня: 10 апреля 2016 г. [NASA] Космическое агентство NASA сформулировало новую программа по созданию космического корабля многоразового использования второго поколения (Second Generation Reusable Launch Vehicle, 2nd Generation RLV), который должен быть гораздо безопаснее и дешевле современных ракет. ... Однако уже сейчас объявлено, что корабль второго поколения будет построен на базе нынешних экспериментальных аппаратов X-33, X-34 и X-37 (на рисунках слева направо). ...
Advances in Space Research 36 (2005) 15951603 www.elsevier.com/locate/asr Solar origins of intense geomagnetic storms in 2002 as seen by the CORONAS-F satellite O. Panasenco a,*, I.S. Veselovsky a,b, A.V. Dmitriev a,h, A.N. Zhukov a,i, O.S. Yakovchouk a, I.A. Zhitnik c, A.P. Ignatуev ... 2002; Huttunen et al., ... Event 279 This is a member of another vast recurrent series of geomagnetic storms observed during many solar rotations in the second half of 2002 and the spring of 2003. ...
Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...
... Free image alignment/stacking/processing Software . My lunar drawings . ... REAL TELESCOPES . ... Download Pocket-Aberrator . ... The Aberrator is freeware that generates star-testing images to show the effects of aberrations (distortions) influencing the quality of a telescopes performance. ... The idea to make a program like the Aberrator I got after studying many internet-sites on star-testing and often the effects of certain aberrations were only available as literal descriptions. ...
... This applet generates an observing list based on an observer's location and time. ... To use this program, enter in your location, and the local times at which you wish to begin and end observing. The date you enter should correspond to the calendar day at the time at which you begin observing. For example, if you wish to observe from 9:37 PM October 23, 2007 until 3:21 AM October 24, 2007, you would enter 21:37 for the starting time, 03:21 for the finish time, and 10/23/2007 for the date. ...
... Equinox of object coordinates BJ = 18.87 / bJ magnitude UMBJ = -0.69 / u - bJ colour BJMR = 0.22 / bJ - r colour NOBS = 1 / Number of 2dF observations available IS_ BEST = 'TRUE ' / TRUE if this file contains the best 2dF observa DATEBEST= '24/09/00' / Date of best 2dF observation (DD/MM/YY) ID_ BEST = 'QSO ' / ID from best 2dF observation QUALBEST= 11 / Data quality flag from best 2dF observation Z_ ...
... Date : 20/04/2015 . ... MatГїriel irrГїprochable et de 1ГЕre main (achetГї aoГ't 2012 avec facture) sorti moins de 10 fois de mon garage et uniquement dГїplacГї Г quelques mГЕtres. C8 XLT (avec renvoi coudГї + 2 oculaires + chercheur) . NEQ6 Syntrek + trГїpied + Pied colonne + Alim + interface usb pierroastro . ... RГїsistance chauffante (+ alim) + pare-buГїe schmidt . ... Valeur neuf 3700 euros cГїdГї Г 2500 euros . Remise en main propre . ... Prix : в'ѓ2500 . ...
Globular Cluster Subsystems in the Galaxy. ... Data from the literature are used to construct a homogeneous catalog of fundamental astrophysical parameters for 145 globular clusters of the Milky Way Galaxy. ... The overall globular-cluster population is divided by a gap in the metallicity function at [Fe/H]=?1.0 into two discrete groups with well-defined maxima at [Fe/H]=-1.60?0.03 and ?0.60?0.04. ... GLOBULAR CLUSTERS OF THE DISK AND HALO . ... GLOBULAR-CLUSTER POPULATIONS IN THE HALO . ...
... Поход в Турцию, 29 октября - 8 ноября 2015 . Поход в Армению, 14 - 29 августа 2015 . Поход в окрестности Нижнего Новгорода, 30 апреля - 4 мая 2015 . ... Поход в Крым, 12-21 октября 2012 года . Поход на Кавказ, 18 июля - 1 августа 2012 года . Поход в Белоруссию, 27 апреля-3 мая 2012 года . Лыжный поход в Ловозерские тундры (Кольский полуостров), 7-18 марта 2012 года . Лыжный поход на Белое море, 1-9 января 2012 года . Поход в Крым, 14-23 октября 2011 года . ...