Peremennye Zvezdy ( Variable Stars ) 32 , No. ... We report on a new episode of decretion disk formation in the IGR J06074+2205 system. ... From a study of three HeI lines, the rotational velocity of the star was determined as km/s. After five years of spectroscopic monitoring of IGR J06074+2205 (Reig et al. 2010), a reversion from emission to absorption of the H line and hence disappearance of the equatorial disk was reported. ... Reig P., 2011, Astrophys.& ...

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• XWare > APOD

... Max-Planck Institute for Solar System Research, Katlenburg-Lindau , Germany ; Институт космических исследований . ... In particular, a systematic and long-term survey of the atmosphere was missing, and most aspects of atmospheric behaviour remained puzzling. After the Magellan radar mapping mission ended in 1994, there followed a hiatus of more than a decade in Venus research, until the European Space Agency (ESA) took up the challenge and sent its own spacecraft to our planetary neighbour . ...

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• Close-up of the Aurora
• Magnetic field models[Oulu]
• Pi 2 [Oulu]

... In order to compare the number of different evolutionary stages obtained and X-ray luminosity of the chosen X-ray sources with the observed galactic values we use the sum of C/O+O/C , where C and O are the calculated and observed values of a given binary type, respectively. If we make comparison for a number of different binary species (for example, we compare the number of CV, number of X-ray pulsars,   total X-ray luminosity of LMXB, etc.), we write this criterion in the form: . ...

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• PSR B0042-73 in the Small Magellanic Cloud
• Introduction
• Supernova Explosions

... Frequency of wobble same as frequency of forcing mechanism (t) + i 2 (t) · Helmholtz Centre Potsdam ­ GFZ · Consistent estimates of AAM , OAM , HAM computed at GFZ · AAM computed from European Centre for Medium-Range Weather Forecasts · OAM computed from Ocean Model for Circulation and Tides (OMCT) · HAM computed from Land-Surface Discharge Model (LSDM) · Ocean and hydrology Sensitivity to Excitation Model GFZ ECMWF AAM OMCT OAM LSDM HAM 1962­2010 1971­2010 1981­2010 1991­2010 2001­2010! ...

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• http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/pasynok.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/hestroffer2.pdf

... Previous: Filtering KPNO LaTeX Observing Proposals with Perl . ... The Planning and Scheduling Tool was designed allow the user easily to take advantage of all available resources of the four telescopes (LASCO's three coronagraphs and the EIT Telescope) to maximize the use of the telemetry downlink. The Planning Tool allows users to develop customized observing sequences while monitoring compression factors and on-board processing times to realistically work within the limits of the instruments. ...

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• AIRY: Astronomical Image Restoration in interferometrY
• The Ground Support Facilities for the BeppoSAX Mission
• ADASS 2002 Conference Proceedings

Ilya M. Chertok . A researcher of the Solar and Solar-Terrestrial Physics . ... by I. M. Chertok, A. V. Belov, V. V. Grechnev . ... by Chertok I. M., Grechnev V.V., and Meshalkina N.S. Astronomy Reports , Vol. ... Solar Events of October-November 2003 by IZMIRAN Radio Observations , . ... by I.M. Chertok, V.V.Grechnev, H.S. Hudson, and N.V. Nitta. ... by Chertok I.M., Fomichev V.V., Gorgutsa R.V., and Sobolev D.E. · Slowly Drifting Fine - Structure Radio Continuum of 4 April 2001 , by Chertok I . ...

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• Space weather and ecology
• IZMIRAN: Laboratory for Physics and modeling of the ionosphere - publications -
• APEX/Intro

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

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• astro-ph

... 2001 July 25 . Hot Gas Halo Detected Around Galaxy NGC 4631 . ... Explanation: Is our Milky Way Galaxy surrounded by a halo of hot gas? ... Since NGC 4631 is similar to the Milky Way , this observation indicates that our own Galaxy is indeed surrounded by a halo of hot X-ray emitting gas, although we are too close to clearly differentiate it from more nearby extended X-ray sources. The clusters of massive stars probably heat the halo gas. ... About APOD | ...

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• Contributions by amateurs: SN1996X.
• SAI SN RESEARCH GROUP
• APOD: 2007 February 27 - Atmospheres Detected on Two Extrasolar Planets

... Computational Physics . ... Magnetic Phenomena in microelectronics . Magnetic Resonance and Spin Relaxation in Solids . ... Molecular Engineering in Quantum Electronics, . ... Physics of Magnetic Phenomena . Plasma Processing Technologies for Micro- and Nanoelectronics . ... Signal Processing and Telecommunications . Superconducting Devices for Signal Detection and Processing . ... Theoretical Problems of Physical Electronics . Thin Film Oxide Electronic s . ... IRE RAS 1996-2016 ...

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• Laboratory 235. Activities
• Lab234 - Development, study and optimization of the superconducting phase
• Research Activities of InformChaos Lab.

. Please use the following for publications and media citations: . "Based on observations obtained with Apache Point Observatory's 0.5-m Astrophysical Research Consortium Small Aperture Telescope." . List of publications based on 0.5-m observations (TBD) . for questions or comments contact archive server .

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• APO Home Page
• Astrophysical Research Consortium - Apache Point Observatory
• ARCSAT Observers Nightlog Form

RADIO EMISSION OF THE MOON BEFORE AND AFTER THE LUNAR PROSPECTOR IMPACT Berezhnoi A.A.*, Gusev S.G.**, Khavroshkin O.B.***, Poperechenko B.A.**, Shevchenko V.V.*, Tzyplakov V.A.*** * Sternberg Astronomical Institute, Universitetskij pr., ... For the registration of lunar RSR after the Lunar Prospector impact radio observations of the Moon on the two 64-m radio telescopes of the SDO MEI at Medvezh'i Ozera and Kaliazin were conducted during July 30 - August 2, 1999. ...

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• Geophysical Research Abstracts
• Department of Lunar and Planetary Research

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 . ...

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• The Sunspot Observer - Average annual indices of solar activity NGDC -
• The Sunspot Observer - Average annual indices of solar activity NGDC - April,
• The Sunspot Observer - Average annual indices of solar activity NGDC - March,

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ... Original and decoded telemetry information (on equipment state, operational modes and detected events of lightning). ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• RSC "Energia" - Launchers

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

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... Precisely one month ago, on 11 July 2009, the last active area of the new solar cycle disappeared from the surface of the Sun. Over the 30 days following this, neither observers on Earth nor devices in space have been able to detect the emergence of any sunspots. ... Therefore, it seems that our star has once again returned to a state of deep solar "winter", following several sparks of activity in May-June 2009. ... To date, this period has lasted 30 days. ...

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• TESIS - Telescopes for EUV Spectral Imaging of the Sun
• Project's diary
• SphinX press release

OPTICAL IDENTIFICATIONS OF INTEGRAL / RXTE SOURCES WITH 1.5-METER OPTICAL TELESCOPE RTT150 I.Bikmaev (1,2), M.Revnivtsev (3,4) , R.Burenin (3) R.Sunyaev (3,4) , N.Sakhibullin (1,2) (1) Kazan State University, Kremlevskaya Str., ... 1, D-85741, Garching bei MЭnchen , Germany (3 (4) ABSTRACT We present the first results of our project on optical identifications of INTEGRAL / RXTE hard X-ray sources by using scientific instrumentations of the 1.5meter joint Russian-Turkish optical telescope RTT150. ...

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• Fast search through RTT150 data archive
• The 6th INTEGRAL Workshop "The Obscured Universe"

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

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• Departement of Quantum Astrophysics

... The extinction in terrestrial atmosphere. ... A star was observed at different zenith distances during one night at the Engelgardt's Astronomical Observatory in the program of atmospheric extinction study at blue. ... Calculate the air mass for given zenith distances in 1st 54.9 11800 column, and write the result into the 2nd column. ... Spectral observations. ... Calculate the radial velocity Vr of the star on each date, the results of measurements and write calculations into the table. ...

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• http://www.issp.ac.ru/iao/2015/booklet/b10_ia15_p_en_a.pdf
• Laboratory of spectroscopy of defect structures ISSP RAS
• III International Astronomy Olympiad, Problems to solve

DATABASE OF INTERSTELLAR EXTINCTION AND POLARIZATION CURVES . This database contains information about the interstellar extinction and polarization curves observed in a wide spectral range from ultraviolet to infrared for stars located in different regions of the Galaxy and Magellanic Clouds. ... dir . ... 0.55 . ... B3 III . ... dir The work was supported by the RFBR grant 07-02-00831. ...

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• Linear polarization: wavelength dependence
• Extinction properties (transmitted radiation)
• Wavelength dependence

Shakht N.A., A.A.Afanas'eva, D.L. Gorshanov, E. V.Poliakow (Pulkovo Observatory, Russia): Title: Long-term photographic observations for selected objects of Pulkovo program: measurements and results. Abstract: The selected objects, observed at Pulkovo observatory during long time period have been of intense interest among astronomers, and now they are the most important aims for space investigations. ... Now we believe, that they also are interesting for observation during space mission Gaia. ...

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• http://www.puldb.ru/laza_gao/FOR_page_11/naroo_2012.pdf