RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

Individual papers from the VSOP Symposium Proceedings, "Astrophysical Phenomena Revealed by Space VLBI", eds H. Hirabayashi, P.G. Edwards and D.W. Murphy (ISAS), can be downloaded as gzipped postscript files by clicking on the links below. ... Multi-Epoch Global+VSOP/HALCA Observations of Virgo A at lambda 6 cm . ... Space-VLBI Observations of the Core-Jet in the Nearby Spiral Galaxy M81 . ... H. Hirabayashi, P.G. Edwards, B.G. Piner et al. ... Pentachromatic VSOP and VLBA Survey of GPS Sources . ...

JSC History . ... NASA History . ... White Sands Space Harbor . ... Historic American Engineering Record (HAER) Level II Documentation . From 1976 to 2011, NASA has operated and managed the White Sands Space Harbor (WSSH) for astronaut training operations and as an alternate landing facility for the Space Shuttle Program (SSP). ... White Sands Space Harbor HAER Level II documentation (complete - 20.6 MB) . White Sands Space Harbor HAER Level II documentation (individul sections) . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... General astronomy . ... PHYSICAL CONSTANTS.. ... Nobel Laureates in Physics 1901-2002 . ... Lectures Astronomy-161 "Solar System" (Also it contains info about History of Astronomy) . ... The History of Science . ... College-Level Astronomy Courses - at American, Australian Universities and Colleges . ... Messier: . ... Science . ... Scientific American . ... JOURNAL OF COMPUTATIONAL PHYSICS . ... Scientific Journals . ... American Physical Society Journals: Physical Review, Review of Modern Physics ...

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 . ...

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: . ...

... The RAS Meteorite Collection: State on the 1 st of June, 1999 . ... About the laboratory . ... Chondrite . ... Find 1934. Several masses totaling 25 kg . ... One mass of about 320 kg . ... One mass of 510 kg . ... One mass of 2347 g . ... One mass of 331 g . ... Many masses, 12 kg collected . ... One mass of 75.75 kg . ... One mass of about 26 kg . ... Find 1962. 2 masses 22.7 kg and 9.0 kg . ... One mass of 1250 g . ... Find 1858-1964. 13 masses totaling about 505 kg . ... One mass of 150 kg . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Although their determination is based on the scattering process model, independent check-ups by rocket experiments have shown their correctness in experimental applications. ... Ionospheric data analysis, especially during strong disturbances, cannot be without some other kinds of diagnostic tools. ... The lack of data has always been a challange in this case. ...

Main News Phones Research area Brief history Institute Structure Experimental Base Observational data English/Russian . ... 7(4112)390400 . Fax: . 7(4112)390450 . ... Cosmic Plasma Theory Laboratory . Head Prof. Stanislav Petukhov . ... Fax: +7(4112) 39-04-50 . ... cosmic ray modulation by the solar wind . generation of solar cosmic rays by shocks in the Sun?s atmosphere and their propagation in the heliosphere . forecast of dynamic disturbances in the interplanetary space . ...

... 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). ...

... 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. ...