... This possibility is certainly helpful in case you did not obtain separate bias calibration frames or in case you want to determine the bias offset for each science frame individually. ... Table: CCD keywords for overscan fitting . ... In case of a zero order fit the correction is a simple constant. ... After every interactive has been completed the command will ask you if you want to fit the next frame interactively as well, or if you want to apply the overscan correction to all subsequent frames. ...

... CentralProcessor 0.11 documentation . ... It can be run with the following command, where ?config.in? is a file containing the configuration parameters described in the next section. ... Parset parameters understood by ccontsubtract are given in the following table (all parameters must have CContSubtract prefix, i.e. CContSubtract.dataset ). ... A number of other parameters allowing the user to narrow down the data selection are understood. ... Parameter . ... Data set file name to work with. ...

... There are five standard data formats for HSP data. ... The datasets contain a standard header packet , a unique data log , and one to four science data files (and corresponding data quality files). ... HSP Data Files . ... Science data, digital sky .d2h/.d2d . ... Each of the science data files has a corresponding quality file that contains single-precision floating point values. ... The HSP calibration program, calhsp , generates the calibrated file for each corresponding raw science data file. ...

... For this one needs additionally to associate a weight with each attitude sample. ... time => real64Data(addColumn(binnedAttTab, 'TSTART', REAL64, 's')) raDeg => real64Data(addColumn(binnedAttTab, 'RA', REAL64, 'deg')) decDeg => real64Data(addColumn(binnedAttTab, 'DEC', REAL64, 'deg')) paDeg => real64Data(addColumn(binnedAttTab, 'PA', REAL64, 'deg')) isGood => boolData( addColumn(binnedAttTab, 'IS_GOOD', BOOLEAN)) weights => real64Data(addColumn(binnedAttTab, 'WEIGHTS', REAL64)) . ...

... Keywords: Proper Motions, Schmidt Plates, Astrometry, Guide Star Catalog, Palomar Sky Survey . In this paper we describe a program of determining proper motions from digitized scans of 1950's-era Palomar Sky Survey (POSS) Schmidt Plates and 1980's-era Palomar Oschin Schmidt `Quick V' plates that were taken for the Hubble Space Telescope ( HST ) Guide Star Catalogue. ... Arrows indicate the magnitude and direction of the proper motion for the stars. ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

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 . ...

. The command man gives you access to an on-line manual containing a complete description of every command available on this system. man can also provide you with one line descriptions of commands specified by name; or for all commands whose description contains any of a set of keywords. Understanding the organisation of the manual . Searching by keyword . Checking the description of a command . Viewing manual pages . Printing manual pages .

User catalogs allow you enter positions for your objects into a file, to save time during an observing run. ... Before diving into the details, here is an example: # default coordinate system and object # (these are the standard defaults, so if you like them you can omit this line) CSys=FK5; Date =2000; RotType= Object ; RotAng=0 # some random objects # Name Pos1 (e.g. RA) Pos2 (e.g. Dec) Options in keyword-value format NGC6543 rot 90 ... Object Data . Defaults . Catalog Options . ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

... When the strip that contained the galaxy was bandpass corrected, a negative image of the galaxy was present for the entire strip. ... If a continuum source drifted through the beam during this time, the cal deflection would be contaminated. ... The continuum source peaks at strip sample 67. ... You could take more samples (a longer strip) or remove the continuum sources before computing the bandpass correction. ... Top image. ... The bandpass correction does not contain any of the continuum source. ...

Electronic Catalogue of Comets "Halley" . ... In this paper we give a description of the Electronic Catalogue of Comets "Halley", which makes it possible to calculate the evolution of the orbits of comets, to visualize orbital motion, to determine the circumstances of a comet's close approach to planets within a given time interval, as well as a number of other opportunities. ...

... Determining the nominal roll angle for stable intervals . ... We found the necessary information in a file 'rh*.ao', which has a binary extension table for each obi. ... Unlike the question of determining the nominal roll angle, we know of no a priori indication of this problem (although the guide star configuration may be the cause, or at least associated with this condition): it is necessary to examine the source position for each obi. ... The guide star record is at the end of the 'anc file'. ...

... xntpd is an operating system daemon which sets and maintains the system time-of-day in synchronism with Internet standard time servers. xntpd is a complete implementation of the Network Time Protocol (NTP) version 3, as defined by RFC-1305, but also retains compatibility with version 1 and 2 servers as defined by RFC- 1059 and RFC-1119, respectively. xntpd does all computations in 64-bit fixed point arithmetic and requires no floating point support. ... Specify the name and path of the log file. ...

... Co-ordinate systems description . Directories structure . The file names' construction . The file set description . ... The orbital information for each month is presented in the separate directory. The INTERBALL orbital data are located on the STDA server, for each month in the separate subdirectory, which name consists from the year (YYYY) and month (MM) numbers. The Parent Directory of the Tail Probe orbital data is http://www.iki.rssi.ru/da/interball/tail/orbit/ . ...

... This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows. The Overview page is the front page of this API document and provides a list of all packages with a summary for each. ... Each package has a page that contains a list of its classes and interfaces, with a summary for each. ... Each of these pages has three sections consisting of a class/interface description, summary tables, and detailed member descriptions: . ...

Package . Class . ... This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows. Each package has a page that contains a list of its classes and interfaces, with a summary for each. ... Each of these pages has three sections consisting of a class/interface description, summary tables, and detailed member descriptions: . ... These links take you to the next or previous class, interface, package, or related page. ...

slitless -- Extract a spectrum from a direct/GRISM image pair slitless image grism output PARAMETERS . ... A two dimensional direct image to be used to select an object. grism . A two dimensional GRISM image containing slitless spectra of objects present in the direct image. output . ... Toggle whether or not a background estimate is subtracted from the extracted object spectrum. mingood = INDEF . Pixels of the grism image with values smaller than this are ignored. maxgood = INDEF . ...

Table of Contents | ... Index . Chapter 4 Statements This chapter describes all JavaScript statements. JavaScript statements consist of keywords used with the appropriate syntax. A single statement may span multiple lines. ... Chapter 5 Operators JavaScript has assignment, comparison, arithmetic, bitwise, logical, string, and special operators. This chapter describes the operators and contains information about operator precedence. ...

We have analyzed the UV continuum light curves of 2535 pixels obtained during fifteen separate observations of active regions with the Ultraviolet Spectrometer and Polarimeter (UVSP) on board the solar maximum mission in 1989. ... The distribution N(v), which describes the number of pixels having maximum power at frequency v, is strongly concentrated in the 2 - 5 mHz band with a distinct maximum at 3 - 3.5 mHz. ... No clear correlation is found between the maximum power and the count rate in a pixel. ...