... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... Bad Astronomy . ... Mad Science . ... Universe Today . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... type 1a supernovae seem most useful . ... This is a bright, massive star that explodes after fusing all the light elements in its core. ... That means we can calculate how far away it is. ... This is exactly what we are trying to do with these supernovae; look far enough away that any deviations from flatness of the Universe can be seen. ... Phil Plait . ...

Альтернативный форум . Scientific.ru Все форумы . ... Уникум - 23.01.2007 15:33 . ... x203a; x203a; x203a; в ответ на: Re: Еще более интересная проблема философии valia . ... Задача о движении трех тел... valia, 22.01.2007 10:52 . Re: Задача о движении трех тел решена Зундманом в 1908-13 Уникум, 22.01.2007 13:54 . ... Re: По рабоче-крестьянски, для любых трех тел... valia, 22.01.2007 17:01 . ... Философ - это тот, для кого задача трех тел неразрешима :) (-) Hyperboloid, 22.01.2007 15:31 . ...

NAME httpd - Apache hypertext transfer protocol server SYNOPSIS httpd [ - X ] [ - R libexecdir ] [ - d serverroot ] [ - f config ] [ - C directive ] [ - c directive ] [ - D parameter ] httpd [ - h ] [ - l ] [ - L ] [ - v ] [ - V ] [ - S ] [ - t ] [ - T ] DESCRIPTION httpd is the Apache HyperText Transfer Protocol (HTTP) server program. ... This manual page only lists the command line arguments. ... Paths in this manual may not reflect those compiled into httpd. ... The default is /usr/local/apache . ...

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

The purpose of the space-physics lab exercises is to introduce the students to the methods of the measurements, to the modern conception of near-Earth space structure and the physical processes and phenomena occured in it. ... At present the reasearches and the teachers of the University and of other institutes participating in the project continue development of the the special space-physics lab exercises, and they are interested in your ideas concerning the future exercises. ...

Publications by Ilya Livshits (1975) . ... Открытые магнитные поля на Солнце и характеристики солнечного ветра у Земли // 2011, Астрономический журнал, том 88, ? ... Кацова М.М., Лившиц И.М., Сикора Ю. Вращение Солнца как звезды по полному излучению короны в зеленой линии // 2009, Астрономический журнал, ? ... Contrast of Coronal Holes and Parameters of Associated Solar Wind Streams // 2009, Solar Physics. ... o V.N. Obridko , B.D. Shelting , I.M. Livshits , A.B. Askerov . ... И.М.Лившиц, М.А.Лившиц. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Support . ... Software & Firmware . ...

... Heracles Triplane and Aerospace Systems . The key characteristics of two-stage aerospace systems are determined according to speed and carrying capacity of the aircraft-carrier used . ... So the SPIRAL system hypersonic carrier was expected to launch the second stage by weight 63 tons at a speed corresponding to 6M; whereas launching weight of the MAKS system orbital stage with the use of the An-225 MRIYA heavy subsonic aircraft reaches 275 tons, and the HERACLES aircraft - 450 tons. ...

... We consider the astrophysical evolution of the Galaxy over large time scales, from early stages (an age of ~10 8 yrs) to the end of traditional stellar evolution (~10 11 yrs). ... In the model considered, the basic stages of Galactic evolution are as follows. ... Essentially all other basic parameters of