... Basic Conceptions and Tasks of Ephemeris Astronomy. ... Construction and Orientation of Frame of Reference in Space. ... Planetary, Stellar, Extragalactic Frame of Reference. Inertial, Fundamental, International Celestial, Dynamic Frames of Reference. ... Stellar, Solar, Universal, Coordinated Universal, Quasi-uniform, Ephemerid, Atomic, Terrestrial Dynamic Time. ... Theories of Solar System Bodies Motion. Kinematic and Dynamic Principles of Planetary and Satellites Motion Theories. ...

... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...

... 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 . ...

Catalogue of eclipsing variables (CEV) is the world's principal database of eclipsing binary systems with available classification. CEV contains identifications, classifications, photometry, periods, eclipses data, spectral types, references and notes for 7179 systems. Format of the current CEV . CEV main table (~1.0MB) . ... List of systems, erroneously classified as eclipsing binaries in GCVS (they are not included in the CEV main table) Download all files as a single archive (~0.6MB) . ...

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PRESS-RELEASE . ... cargo vehicle docking with the ISS . ... The operations of the Progress M-58/ISS rendezvous and docking were performed under control of RSC Energia’s President, General Designer on manned space complexes and Technical Manager in charge of flight tests N.N. Sevastiyanov and RSC Energia’s Vice-President, ISS Russian Segment Flight Director V.A. Solovyov working in Mission Control Center (MCC-M) situated near Moscow. ... Official WEB-site of S.P.Korolev RSC Energia . ...

... This file descrip.doc 80 984 Authors' description ppmsouth.dat 131 197179 Positions and Proper Motions - South ppmsofmt.dat 138 197179 PPM South - in format of old PPM North -------------------------------------------------------------------------------- Byte-by-byte Description of file: ppmsouth ... Note on pmRA and pmDE: Proper motion in right ascension fro epoch and equinox J2000.0, on the system of FK5 given in seconds of time per Julian year. ... Part I. The Basic Fundamental...

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... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Sky Events . ... Observing springtime deep-sky objects with a large telescope . ... How close does Pluto's orbit come to Neptune? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine...

. Wikipedia . Encyclopedia of Astronomy and Astrophysics . Encyclopedias Dictionaries . Encyclopedia.Com . "Krugosvet" . Different Encyclopaedias (in particularly Boljshaja Sovetskaja) . Encyclopaedia for children "Awanta+" . Britannica Encyclopaedia . BIMA Glossary . Glossary of Space Science Terms . Imagine the Universe! Dictionary A-D . Exploratorium Exhibit Cross Reference - Exhibit . Exploratorium Exhibit Cross Reference - Phenomena Index .

... 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. ...