Modeling of atmospheres of the brightest stars belonging to the Cyg OB2 association O LGA M A RY E VA , V. G . K L O C H K OVA , E.L. C H E N T S OV Special Astrophysical Observatory RAS; olga.maryeva@gmail.com We present the results of modeling of the spectrum of the brightest stars belonging to the Cyg OB2 association ­ Cyg OB2 #7 (O3If ) and Cyg OB2 #11 (O5Ifc). ... The lines in Cyg OB2 #7 spectrum are divided into three groups which can not be described with a single model. ...

Euro-Asian Association of Astronomy Teachers . ... Dr. Michael G. Gavrilov , Chairman of Euro-Asian Association of Teachers of Astronomy . The main purpose of the Association is to improve and promote astronomical education at all levels in all institutions involved in teaching astronomy in the states of Euro-Asian Astronomical Society. General information about EAATA: in Russian, . ... The First Euro-Asian Congress of Teachers of Astronomy (Chernogolovka, December 10-14, 1998). ...

... Rigel and the Witch Head Nebula . ... The suggestively shaped reflection nebula is associated with the bright star Rigel in the constellation Orion. ... Planetary Nebula PK 164 31 . ... The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star. ... A Halo for NGC 6164 . ... Seen at the center of the cosmic cloud, the star is a mere 3 to 4 million years old. ... NGC 206 and the Star Clouds of Andromeda . ...

... Feger T. How to connect up to 16 GLD 20-24 Mini motor control stages to a PC by using a Ethernet Terminal Server (LANtronix) 1. ... To use this software in combination with the terminal server, a virtual COM port must be created. ... Control a stepper motor: To control an stepper motor, set the generated virtual COM port on "Port" and select the corresponding axis on "Axes" in the IPCOMM software. ... Select the first generated COM port and the corresponding axis ID, then start the control panel. ...

... 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 . ...

... Use of the AO is available on an equal, competitive basis to all scientists from throughout the world to pursue research in radio astronomy, radar astronomy and atmospheric sciences. ... Table: Basic Information on the AO Site and the 305-m Telescope . ... Those requiring more details of the instruments available for such studies are directed to http://www.naic.edu/~pradar/pradar.htm for planetary radar studies, and http://www.naic.edu/aisr/sas/sashomeframe.html for atmospheric physics. ...

spaceweb@oulu.fi - last update: 14 January 1999, 0950 UT (RR) . Term 'global change' is used to describe the changes of the large scale weather systems on Earth , and especially the surface temperature increase, by man-made increase of atmospheric CO 2 . ... It is the last point that is of importance for space physics, since it is possible that also the changes in Sun 's activity could be causing some changes in terrestrial climate. ... Space Physics Text Book of Oulu ...

... Events INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY PROBLEMS AND PROSPECT OF THE PROPULSION ENGINEERING DEVELOPMENT . ... INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY PROBLEMS AND PROSPECT OF THE PROPULSION ENGINEERING DEVELOPMENT . ... Development prospects and use of engines for aviation, space - rocket systems, motor transport mechanical engineering and stationary power supply installations . ... Propulsion engineering, power engineering and space vehicle ecology problems . ...

... An Interdisciplinary Journal of Nonlinear Phenomena in Complex Systems . ... In this work the approach to recording, storing and associative retrieval of multimedia information is proposed. For this purpose the method for recording and storing the information on the trajectories of the nonlinear dynamic systems is used. Principles of recording, allowing to retrieve the desired record from the database of audio records by an arbitrary piece of the record we are looking for, are proposed. ...

... The file names' construction . The flight (m) stage's file set . ... the orbital data used for the flight operation monthly (m) long-term planning, . ... The orbital calculations are based on the initial orbital data determined by KIAM RAN using the orbital radio- measurement treatment. The determined initial orbital data are presented as a state vector (satellite position and velocity) in the J2000 reference. ... Accept the file with extension '.bgr', where the Moscow time (MT=UT+3h) is used. ...