Work related with IAU C52: RIFA M.H. Soffel and W. Han Les Journees 2014, St. Petersburg, September 22 Main work - ecliptic in a relativistic framework - fully documented relativistic VLBI model Related work - the post-linear metric (PPN-metric for light rays) - models for bodies with higher spin-multipole moments Les Journees 2014, St. Petersburg, September 22 Ecliptic IAU 2006 Resolution B1: Recognizing 2. the need for a definition of the ecliptic for both astronomical and civil purposes .. ...

NAUTICAL ASTRONOMICAL YEARBOOK for 2017 (in Russian) Contents . ... Daily tables . ... Stars. ... Determination of latitude by altitude of Polaris . ... Correction to azimuth of apparent solar upper limb at sunrise and sunset . ... 280 . ... 280 Appendices . ... Corrections to the time of sunrise and sunset, rising and setting of the Moon, twilight and the culminations of stars: . 1.A. Correction for latitude . ... Tables for correction of the observed altitudes of stars . ... The index of stars . ...

... Basics of Group Theory Definition 1. A group G is a (finite or infinite) set of elements g1 , g2 , g3 , . ... Definition 2. ... Each element of a finite group may be represented as a power or product of powers of a certain finite number of elements cal led generators of the group. ... Point Groups Any transformation which brings a body into coincidence with itself can be decomposed into elementary transformations: 1) rotation about an axis, 2) reflection in a plane, 3) translation by some vector. ...

... The publishers undertake translation into English, publication, and distribution of English-language papers of their journals (that is, the use of results of intellectual activity) only upon signing of copyright transfer agreements. ... To simplify interaction between author(s) and publisher, please submit copyright transfer agreements (in the Russian or English language) together with the manuscript to the editorial board of the respective journal. ... These agreements are contracts of adhesion. ...

A tree for site navigation will open here if you enable JavaScript in your browser. ... ABOUT ST-ECF . ... On this page we provide implementations of the the signal-to-noise ratio estimator DER_SNR following the definition set forth by the Spectral Container Working Group of ST-ECF, MAST and CADC. A detailed description and discussion of the algorithm can be found in the Issue #42 of the ST-ECF newsletter . ...

... Events . Educational programs (English) . Educational programs (Russian) . ... Samara region . SSAU History . ... At the opening of the regional stage of the competition IT- breakthrough the agreement on cooperation between SSAU and JSC Russian electronics was signed. The document was signed by SSAU Rector E.V. Shakhmatov and Deputy Director on strategic development and implementation of government programs of JSC Russian Electronics A.V. Brykin. ... e-mail: ssau@ssau.ru . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...