... Magnesium-aluminium spinel (MgAl O ) has been considered as a primary condensate in the outflows of oxygen-rich AGB stars and as a potential carrier of the 13 m emission band observed in the spectra of these stars [ 11 ]. Therefore, in the Jena laboratory, a systematic study of the infrared properties of Mg-Al oxides of both synthetic and natural origin was performed in order to derive the optical constants of these materials. ...

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

Общая Астрономическая Конференция > Форумы общей направленности > Общий форум любителей астрономии > помогите найти статьи . ... Вот адрес: http ://adsabs.harvard.edu/cgi-bin/nph-abs_connect?db_key=AST sim_query= YES aut_xct=NO aut_logic=OR obj_logic=OR author= object= start_mon= start_year= end_mon= end_year ... ;start_entry_year= min_score= jou_pick=ALL ref_stems= data_and=ALL group_and=ALL sort=S CORE aut_syn= YES ttl_syn= YES txt_syn= YES aut_wt=1.0 obj_wt=1.0 ttl_wt=0.3 txt_wt=3.0 aut_wgt= ...

Estimating the NEO Population and Impact Risk: Past, Present and Future . ... Since most of the risk resides in the largest impactors, finding that fraction of the largest bodies, and that none of them has a significant chance of impacting in the next century or so, "retires" more than 90 % of the impact risk, including most of the risk of a globally catastrophic impact event. ... In the mid-size range, from ~150 m to ~1 km, the main risk is from tsunami generated by an ocean impact. ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... Previous: Ground Tracking Station (GTS) Products . ... GRT Log File . ... GRT Gain Curves . ... What: Co-observing GRTs will each generate a log file identical to those for ground-based VLBI experiments. ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ) in the sub-directory named for the month and year (e.g. may97 ) below the sub-directory named gps . ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ). ...

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. General . Announcement . Participants . Practical details . Program . Go to the Laboratoire Poncelet home page. to the Steklov Mathematical Instutute home page. Go to the Department of Mathematics SU-HSE home page. Site design by Paul Zinn-Justin .

... Antarctic Research (Vernadsky Station) . Ephemeris Astronomy . Lithosphere-low atmosp1here- ionosphere processes . Plasma processes in ionosphere and magnetosphere . The charged particles acceleration in the cosmic magnetic fields and their nonthermal radiation . ... Theory of plasma instabilities and turbulence; applications to wave processes in the ionospheric, magnetospheric and space plasmas . Large-scale wave processes in space plasma.Formation of nonlinear wave structures . ...

. Russian version . 2008 . 2009 . 2010 . 2011 . 2012 .

AAL Guestbook . Please Sign Our Guestbook . Guestbook Entries: 147 . Add Entry | ... Previous Page | Next Page . ... Sarnia Canada, . ... Sarnia Centre of the Royal Astronomical Society of Canada . ... Signed on at . Bernhard Hдusler . ... Bernhards Kometen Projekt . Super, super, super . ... Bernhard , comet photographer from Germany . ... Super Homegage,schein Biller ann Super Info iwwert Eclipse99. ... Toronto, Ontario, Canada, . ...

ABSTRACT: Both previous radiomessages for aliens, Arecibo 1974 and Evpatoria 1999 (see http://ebe.allwebco.com/Science for details) were the logical ones and represented the binary stream of FM information, which should be arranged into two-dimensional forms to perceive by eye-like sense-organ. ... So, I suggest to implement the 1st Theremin Concert for Aliens from Arecibo or Evpatoria Radar facility. ... The theremin was invented 80 years ago, in 1920 by Leon Theremin. ...

... Scientists from G. I. Budker Institute of Nuclear Physics- Syberian Branch of the Russian Academy of Science, Novosibirsk State University, Novosibirsk State Technical University, Samara State Aerospace University (SSAU) and Image Processing Systems Institute (IPSI) of the Russian Academy of Science, became the first people in the world obtained terahertz non-diffractive twisted Bessel beams and used them for the first time the formation of surface electromagnetic waves on the metal surface. ...

... Satellite data ] . SMIS ] . ... the satellite tracking in the whole upper hemisphere using previously calculated satellite coordinates . tracking accuracy: 0,5 degree . ... power supply: single phase, 220 V, 50 Hz . power consumption: less than 800 Wt . weight: less than 250 kg . permissible ambient temperature: -50oC to +50o C . permissible wind speed: work - 22 m/s, limit - 40 m/s. Back to SMIS Home Page . ...

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... We publish 16 Doppler imaging temperature maps for the years 1994-2002 of the active RS CVn star II Peg. ... Through Doppler imaging we want to study the spot evolution of the star and in particular compare this with previous results showing a cyclic spot behaviour and persistent active longitudes. ... The derived temperature maps are quite similar to the ones obtained earlier with a different methods, the main differences occurring in the spot latitudes and relative strength of the spot structures....

In this chapter we will consider two very simple but useful Web agents that I have written on Actor Prolog for my own needs. ... Let us start the Web agent. Fig. ... Start of the Web agent. The Context diagram consists of three blocks: "Logic Programming Sites", "Edit", and "Check". ... Some Web sites that are linked with the logic programming and Prolog are listed in the pulldown list (these addresses are transferred to the "Edit" block from the "Logic Programming Sites" block). ...

... We have compared visualized fields of GSC and USNO A1.0 catalog with unpublished photographic finding charts that were sent by L. Plaut to the compilers of the GCVS. ... 7-15 A9 --- GCVS GCVS or NSV name 17-25 F9.4 --- GSC GSC number 26 A1 --- NoteFlag *Nonstar (GSC) flag 28-29 I2 h RA2000GSC.h Hours RA (GSC), equinox 2000.0 31-32 I2 min RA2000GSC.m Minutes RA (GSC), equinox 2000.0 34-38 F5.2 s RA2000GSC.s Seconds RA (GSC), equinox 2000.0 40 A1 --- DE2000GSC.- ... Plaut, L., 1966, Bull. ...

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

. Sirius. Sirius ( a of a Big Dog) is a star of 1,5 star value, the brightest in the sky. It is a double star. Its component is a Big Sirius the first discovered white dwarf. Back .