... 23 Algorithm fo r evalua tion of two burn maneuv ers using linearity Input information: ( t t E1 , rEI , v t1L , t E2 2L ( ) EI )T )T ­ ­ ­ ­ the time and the state vector of initial orbit for this time ; interval of possible thrusts for transition from initial orbit to the transfer on e; the time and the state vector of the target orbit for this time ; ... We cal culate the state vector for the initial orbit for the time t1a and the target one ­ for the time t2 a . ...

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. ...

Welcome to K -corrections calculator, simple service allowing one to determine K -corrections of a galaxy, given its redshift and one or more colours. ... K -correction in choose filter.. ... Redshift . Colour choose colour.. Colour value . Calculator . ... calculate spectral energy distributions , K-corrections calculator , GALEX FUV NUV , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...

. Lab . Main page News People . ASA . Master . Master net Homepage . Login . {% trans "Lomonosov Moscow State University" %} Sternberg Astronomical Institute . English Русский . News . General info . Seminar archive . Make a report . YaB-100 . Uspech-2015 . Seminar archive . Select by year: . 2016 . 2015 . 2014 . 2013 . 2012 . 2011 . 2010 . 2009 . 1998 . 1997 . 1996 . All seminars: .

... Home Lectures Lecture Series 2015-2016 . ... Lecture Series 2014-2015 . ... Beyond New York City . ... The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the public. ... Amateur Astronomer Association is pleased to announce we will be offering select, limited reserved seating for current AAA members for the Friday, January 8, 2015 AAA Lecture entitled Robert Nemiroff ?2015 Astronomy Picture of the Day?. ...

Home | Products | How to contact ] . ... GRINEXT Corp. ... Gradient Optics . Research and Develpment . Gradient-Index Optical Components Manufacture . Gradient-Index ( GRIN ) glass preforms . GRIN lenses . for fiber lasers optics . ... Research in the field of ion-exchange technology . of gradient-index glasses . with different types of gradient . ... 3D-gradient . ...

... The fireball flew on February 15, 2013 at 09:22 (03:22 UTC) in Chelyabinsk region at supersonic speed and with bright flashes of light along the trajectory of the NEE-SWW( Chelyabinsk-Miass-Satka ). ... On March 21, 2013 at 14:00 Sternberg Astronomical Institute (SAI MSU) held joint seminar organized INASAN, IDG, Vernadsky Institute, IKI RAS and SAI MSU for the results of meteorite Chelyabinsk study. ... Russian scientists of Vernadsky Institute analyse Chebarkul/Chelyabinsk Meteorite ( Vesti.Ru ) ....

The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

... ASRAS HOME . ... For our educational outreach event, we hosted a Boy Scout troop in Ionia (Pix_1), for a sleep over this last spring and were able to make our Portable Radio Telescope (PBT - itty bitty radio telescope ) operational. ... The Solar Radio Telescope project is coming together nicely. ... You may have seen or heard of articles about the ongoing Solar RT project which is a Solar RF Spectrograph to study sunspots, presently being built for the ASRAS astronomy club (site in Ionia, NY). ...