... We have made observations of the Perseus cluster with the Westerbork Telescope at 610 MHz. ... Several newly detected sources are identified with cluster galaxies. ... No evidence is found for the existence of the previously reported ~ 65'x25' cluster halo, 3C 84B. Key words: radio galaxies - clusters - tailed radio sources buoyancy The Perseus Cluster of galaxies is one of the most fascinating systems accessible to extragalactic astronomers. ...

... Bad Astronomy . ... Mad Science . ... Or..why don't the planets orbit the sun in the same plane as the sun orbits the galactic center? ... The writer suggested that the angular momentum of the stars was related to the original cloud that collapsed to form them and not the galaxy angular momentum. ... As I understand the answer to 902372110.as, if the stars orbit is not related to the galaxy spin, then I would expect the stars to orbit the galaxy at a multitude of random orbits and no disk to form. ...

... Archives . ... The PCA and ICA is used for separating mixed components with some assumptions. ... The need of source separation methods in astronomy has led various adaptations of decomposition methods available. ... I rarely come up with a paper which gathered and summarized component separation methods applicable to astronomical data. In that regards, the following paper seems useful to overview methods of reducing dimensionality for astronomers. [arxiv:0805.0269] . ... Chandra Blog . ...

... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sep­ aration. ... Chaos: bounded or sticky? It is now well­known that planetary dynamics may include some proportion of chaos. ...

Some common problems in geodesy and astrometry after establishing ICRF Victor V. Popadyov, Centre de geodesie et cartographie (CNIIGAiK) Svetlana A. Tolchel'nikova, GAO Pulkovo Distribution of duties between astrometry and geodesy · Connection between the 2 sciences was established by the plumb-line near Earth surface · Astrometry : ... E. rot., pole motion). ... Radiosources are unobservable from points of geodetic net. ...

... Appendix: Effect of errors in the encoder roller and drive disk on tracking. ... Servo error. ... Table 1: Tracking error budget Component Component error (nm RMS ) Effect (mas RMS ) Az axis wobble Drive disk high freq. error 200 17.17 Guide roller error 50 8.58 Lower bearing high freq./nonrep. error 50 4.29 Alt axis wobble Bearing high freq./nonrep. error 50 4.86 Az encoding error Drive disk high freq error 200 4.59 Encoder capstan error 50 5.73 Encoder ...

... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Calculating the Position and Velocity Components of HST T. B. Ake Astronomy Programs, Computer Sciences Corporation, Code 681/CSC, Goddard Space Flight Center, Greenbelt, MD 20771 Abstract. ... COSINCLI cosine of inclination cos i SINEINCL sine of inclination sin i CIRVELOC circular orbit linear velocity (meters/second) VC TIMEFFEC time parameters took effect (secs since 1/1/85) -- 2. ... Gamma 2ъ —\Omega x; — z = a 0 z + a 1 sin i cos(! ...

... This paper discuss a polynomial approximation to T for the range of 1620 to 2000 AD published by Jean Meeus and Larry Simons and gives a modified version of this approximation which is much more accurate. ... For this purpose Jean Meeus and Larry Simons published a paper in 2000, which gives a set of polynomial approximation of T for the range of years 1620 to 2000 (Meeus 2000). ... Using these empirical formulae we can calculate the value of T at any instant of the year for the range 1620 to 2000...

... 83, No. 11, pp. 1031­1041. i Variations of the Dipole Magnetic Moment of the Sun during the Solar Activity Cycle I. M. Livshits and V. N. Obridko Pushkov Institute of Terrestrial Magnetism, the Ionosphere, and Radiowave Propagation, Troitsk, Russia Received February 28, 2006; in final form, March 13, 2006 Abstract--Observations of the large-scale solar magnetic field (synoptic maps) and measurements of the magnetic ... A 100 000 10 000 10 20 30 40 50 60 Period, days Fig. ...

... A careful evaluation of the components' masses and a study of the system's overall stability and long-term dynamical evolution were also pursued. ... Due to the almost definitive orbit of the inner pair, which just covered a full revolution, the motion of B relative to MC A has been carefully calculated. ... Orbital elements and system mass. ... The motion in this hierarchical three-body system is a combination of two perturbed motions: the inner pair Aa-Ab and the B component with regard to MCA . ...

... Kulikov kulikov@karazin.ua History of Ukraine Department V.N. Karazin Kharkiv National University Teaching course Construction and deconstruction of Soviet human through everyday life experience 1 Modules and themes Theme 1. ... Soviet identity. ... Socio-economic development in the USSR in 1961-1985 years through the prism of everyday life. ... The proposed course aims attracingthe processes of forming the Soviet human through everyday life experience and the resistance to these processes. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... А.С. Пушкин. Письма. Чаадаеву П. Я., 19 октября 1836 г. Черновая редакция . РВБ: А.С. Пушкин. ... Mais autre chose est de faire une r volution, autre chose est d'en consacrer les r sultats. ... Voil d j 140 ans que la Табель о рангах balaye la noblesse; et s'est l'empereur actuel, qui le premier a pos une digue (bien faible encore) contre le d bordement d'une d mocratie, pire que celle de l'Am rique (avez-vous lu Toqueville? je suis encore tout chaud et tout effray de son livre). ...

... Forum . ... Recent Topics . ... MAO main . ... Anthropocene Editor's Choice . ... Отправлено: Tue, 01 Sep 2015 13:26:18 +0300 (EEST) Тема: Anthropocene Editor's Choice Access Anthropocene Editor???s Choice papers @media only screen and (max-device-width: 480px) { } p { margin-top: 1em; margin-bottom: 1em; margin-left: 0em; margin-right: 0em; color: #53565A; } img { display:block; -ms-interpolation-mode:bicubic; } Can't see this email properly? ... Volume 5, 32-41. ... MAO NASU . ...

Next: stecf.cplucy - Enhanced Two-channel Up: The ``stecf" IRAF Layered Previous: The ``stecf" IRAF Layered . For many years the ST-ECF has developed IRAF tasks and packages for HST and related data analysis. ... To allow wider and more efficient distribution and to bring all components to a uniform level of quality and documentation we have decided to combine these components into a standard-format IRAF package to be called ``stecf''. ...

Astronomy Department was found in Kyiv University in 1834 together with other twelve departments of the Faculty of Philosophy. ... At that time V.Struve was a World famous astronom, and helped V.Fedorov in creation of Kyiv University Astronomical Observatory. ... M.Khandrikov successfuly modernized the Observatory. ... Researches of the history of Kyiv Observatory say about an important contribution into development of orbits theory made by the famous Kyiv astronoms I.Illinsky and I.Putilin. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

Configuration Files | ... Options | ... This version of Apache includes changes allowing it to run on IBM's EBCDIC-based TPF (Transaction Processing Facility) operating system. ... It is passed to Apache through the ZINET XPARM field since ZINET is the only way to start the server on TPF. A third group of options apply to both the informational displays (ZFILE) and running the server (ZINET XPARM): -d, -D and -f. The rest of Apache's options are either not applicable or are not supported on TPF. ...

... Информация Руководство и преподаватели Игнатьев Михаил Викторович . ... Публикации . ... Ignatyev M.V. , Eliseev D.Y. Kostant-Kumar Polynomials and Tangent Cones to Schubert Varieties for Involutions in An, F4, and G2 // Journal of Mathematical Sciences. 2014. vol. 199, issue 3. ... Игнатьев М.В. , Шевченко А.А. О касательных конусах к многообразиям Шуберта типа Dn // Алгебра и анализ. ... Тел.: 846) 335-18-26 Факс: (846) 335-18-36 . ... Тел.: (846) 267-44-99 . e-mail: pr@ssau.ru . ...

Vertical Structure of the Galactic Disk in the Solar Neighborhood . ... It was found that the Sun lies 9?2 pc above the plane of hte Galactic disk in the direction of North Galactic pole and that F0-F9 stars contribute 0.0035M /pc 3 to the density of the Galactic disk. ... THE DENSITY OF F STARS IN THE PLANE OF THE DISK љљљљљSince our sample is comlete to within 50 , the Z obs distributions shown in Fig.2 make it possible to determine the number of F stars per unit volume of the Galactic disk. ...