... 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 . ...

xyz2grd - Converting an ASCII or binary table to grd file format xyz2grd xyzfile -G grdfile -I x _ inc [ m|c ][/ y _ inc [ m|c ]] -R west / east / south / north [ r ] [ -D xunit / yunit / zunit / scale / offset / title / remark ] [ -F ] [ -H [ nrec ] ] [ -L ] [ -N nodata ] [ -V ] [ -Z [ flags ] ] [ -: ] [ -bi [ s ][ n ] ] xyz2grd reads a z or xyz table and creates a binary grdfile. xyz2grd will report if some of the nodes are not filled in with data. ... H Input file(s) has Header record(s). ...

... include <string.h> . char *stpcpy ( char *dest, char *src) - Copy one string into another. int strcmp( char * string1 , char * string2 ) - Compare string1 and string2 to determine alphabetic order. char *strcpy( char * string1 , char * string2 ) - Copy string2 to stringl. char *strerror( int errnum) - Get error message corresponding to specified error number. int strlen( ...

... 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. ...

hstpolsim -- Produce simulated polarization input data frames for HST instruments . ... inint = "" [name] . ... Name of the HST instrument for which simulated polarization images are to be produced. ... Name of the instrument specific polarizing filter for simulated images (ignored for SPECIAL instrument). filtname = "" [name] . Name of the instrument specific colour filter for simulated images. ... The header parameter FILTER provides the filter name and POLANG the polarizer angle. ...

The NTP standard specifies an extension which provides cryptographic authentication of received NTP packets. ... The specification allows any one of possibly 4 billion keys, numbered with 32-bit key identifiers, to be used to authenticate an association. ... In the case of MD5, the keys are 64 bits (8 bytes). xntpd reads its keys from a file specified using the -k command line option or the keys statement in the configuration file. ... A zero key in NTP format would be specified as 8080808080808080 . ...

... Matrices and their invariants, such as order, rank, determinant, play an outstanding role in mathematics. ... To be a little more precise, nonzero square matrices of order $r+1$ (modulo multiplication by a nonzero constant) are represnted by points of the projective space $\Bbb P^{(r+1)^2-1}$. Geometrically, we consider the subvariety of matrices of rank one which is just the Segre variety $S=\Bbb P^r\times\Bbb P^r\subset\Bbb P^{(r+1)^2-1}$. ...

Definitions of Magnitudes and Surface Brightness 1 The magnitude system 1.1 Apparent magnitude Astronomers are stuck with the antiquated old system of magnitudes and so a clear explanation of what this system is and how it relates to more sensible units is important. ... 1.2 Absolute magnitude Absolute magnitude is a logarithmic luminosity scale. ... One usually goes by the round about process of referring to the absolute magnitude of the sun. ... Magnitudes and surface brightness 6/6 ...

... To the definition of the right ascension of the AP orbits ascending node values . ... and the choice of the most favorable orbits which provide the auroral oval visibility . for two auroral imagers onboard. To provide the UVAI operation during whole nightside phase it is necesary to select the AP orbits . corresponding to the DTM, belonging to the time inerval within the borders marked by circles. The AP orbits corresponding to DTM interval within the borders, marked by squares, . ...

... spectrum . ... mn : main program, wh : subroutine WHOLE, in : subroutine INTEG and SFLUX, op : continuous opacities, ln : line opacities, at : atomic data, md : model atmosphere, ou : output, ot : other. ... This variable is set whenever a model atmosphere is read in, so that the default is whatever was used to compute the original model atmosphere. ... Default = 1 . ... As well as reading in the model, ionisation fractions and other depth-dependent quantities are also computed at this stage. ...

Общий форум . Scientific.ru Все форумы . ... Давид Мзареулян, 26.06.2003 16:53 . ... Об определении инерциальной системы отсчета Давид Мзареулян, 22.06.2003 14:05 . Re: Об определении инерциальной системы отсчета Matigor, 23.06.2003 11:45 . ... Re: Физика на сфере Давид Мзареулян, 23.06.2003 16:07 . ... плеохроизм дымчатого кварца sleo, 23.06.2003 17:58 . ... Re: Об определении инерциальной системы отсчета sleo, 22.06.2003 14:40 . ... Re: карусель Давид Мзареулян, 22.06.2003 21:29 . ...

... Forum . ... Recent Topics . ... MAO main . Info . Definition of Polarization Angle . ... От: "Claus Leitherer" . ... Тема: Definition of Polarization Angle . ... Please take note of the attached IAU recommendation concerning the definition . of the polarization angle in astronomical measurements. ... www.mao.kiev.ua/images/postbyemail/Polarization.pdf . ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ... MAO NASU . ...

... Tte tables of ionosphere and plasmasphere parameters are contained in a file param.tbl. ... Latitude Longitude Numbers of tables for (degree) (degree) Month Wm=10 Wm=100 Wm= 150 80 30 March 1 - 3 397-399 793-795 80 150 March 4 - 6 400-402 796-798 80 270 March 7 - 9 403-405 799-801 60 30 March 10 - 12 406-408 802-804 60 150 March 13 - 15 409-411 805-807 60 270 March 16 - 18 412-414 808-810 40 30 March 19 - 21 415-417 811-813 40 150 March 22 - 24 418-420 814-816 40 270 ...

... Plot histogram and time series. Flow Chart GUILD & LIGO Tools Local File (XML) Restore Events Import XML event data into an event container LDAS Meta Database Save Events Process events (Sort, Coincidence, Cluster) Create Histogram and/or Time Series Plot Histogram/ Time Series Event Containers Hierarchy "Chain" container - A set of List containers. ... Holds one event. ... Time Series - Make a Time Series (DMT TSeries container) of the event rate, values of specified column or event function. ...

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

... Space flight . Crew training . ... honing the skills of performing the tasks of operating the orbital (suborbital) spaceship in a normal autonomous flight and in case of occurrence of off-optimum situations; . ... preparing for conducting visual observations, photographing and video filming envisaged by the flight program; . ... preparing the astronaut's body to the effect of space flight factors, honing the skills of operating the spaceborne medical facilities, rendering self and mutual aid; . ...

... Field size . Object name . ... Map size . ... Field size: the approximate size of the map in the Y direction. ... Galaxies: . ... Galaxies, which size exceeds some value depending on the field and map sizes, are displayed with their real positional angles and sizes by 25m isophote. ... In the "tools" fields there are links to the several famous AVO (Astrophysical Virtual Observatory) resources: NED and Simbad databases and DSS2 (Palomar Digitized Sky Survey) images of the corresponding sky area. ...

... Attitude Data Files | ... Additional Information | Attitude data are arranged in 6 files. Every file contains the information corresponding to one calendar year. Every line of file consists of a set of attitude coefficients. Data format is ASCII. Format of a line (in FORTRAN specifications): . 1X,I5 - line number 1X,I4,1X,I2,1X,I2,1X,F7.3 - YYYY MM DD TS - interval beginning, UT 1X,F7.3 - TS - interval duration 5(1X,F) - A 1 , .. ... Download attitude data files: . ...

The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The following are astronauts who are employed at NASA. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Astronaut . ... Acaba, Joseph M. 2004 . ... Aunon, Serena M. 2009 . ... Barratt, Michael R. 2000 . ... Burbank, Daniel C. 1996 . ... Cassada, Josh A. 2013 . ... 1998 . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...