Next: Passbands Up: Instrument configuration and Previous: Storage format . ... We need two kinds of information for filters and detectors: physical information about the instrument itself, and logical information about the way it is represented in data files -- for example, the codes used to identify filter positions. ... In addition to information about the instrument itself, the reduction program needs to know the structure of the data in their table file (see section , ``Observational data''). ...

... Chapter 5: Visits, Exposures and Exposure Groups > 5.9 Instrument Configuration [Config] . ... The available choices are listed in Table 5.2 , along with the corresponding Operating Modes that may be chosen in ?Opmode? (see Section 5.10 on page 84 ). Legal Apertures, Spectral Elements, and Optional Parameters are uniquely determined by the choice of the Instrument Configuration and Operating Mode. ... Table 5.2: Instrument Configurations and Operating Modes . ... ACQ, ACQ/PEAK, ACCUM . ... ACCUM . ...

Next: The ESO VLT CCD Detectors Software . ... Up: Instrument-Specific Software . ... The framework for data calibration and analysis of the VLT instrumentation is presented, based on the concepts of a calibration plan, pipeline calibration, quality control, and archiving of calibrated data for a ground-based observatory. ... Quality Control Pipeline provides quality assessment for instrument performance data and observing conditions, and tests the results of the Reduction Pipeline. ...

... Science Users Information > Observing with ESO Telescopes > Phase 2 Preparation > Observing conditions . ... Service Mode Philosophy . ... The following definitions of the observing conditions are common between Phase 1 preparation and Phase 2 preparation, as well as between Service Mode and Visitor Mode observations. ... There are additional Service Mode Policies and Service Mode Guidelines regarding the observing conditions. ... Seeing (Phase 1) and Image quality (Phase2) constraints . ... Moon . ...

... Directives | ... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Rewrite . ... This document discusses some of the technical details of mod_rewrite and URL matching. ... Then the URL rewriting engine is started with the contained ruleset (one or more rules together with their conditions). ... If the Pattern matches, mod_rewrite looks for corresponding rule conditions (RewriteCond directives, appearing immediately above the RewriteRule in the configuration). ...

For solar wind dials without any explanatory text, see this page . ... There are three logs, one for each condition index ( K P , Solar Wind ,and NOAA/SEC .) ... More about the solar wind's recent behavior can be found on my Current Solar Wind Conditions page. ... Other items of interest include NOAA/SEC Current Conditions , my composite current Auroral Images page, Windows on the Universe: Space Weather , and Public Outreach Index, Department of Space Physics and Astronomy, Rice University . ...

XMM-Newton Science Analysis System Page: 1 orbit July 1, 2008 Abstract Create a FITS timeseries \HK-like" le from the ODF Spacecraft Reconstructed Orbit File. ... Both sets of values will be written into a standard OGIP-compliant FITS binary extension table with a TIME column value, derived from a start, stop and sampling interval time, each speci ed by the user. ... StartANDEndNotInODFRange (error) Start AND End times selected not congruent with input ODF obs times. ... SAS ODF must be properly set. ...

... For the XRBs which are highly variable the concurrent presence of the RXTE/ASM that continuously measures their X-ray spectral states invites a new and innovative program to harness the available information to facilitate detailed studies of individual systems as well as comparative studies between classes of systems. ... This will enable them to quickly decide which data are worth putting in effort to extract and further analyze. ...

Displays the current status of NICFPS spectrograph and allows you to change the configuration. ... Once the instrument builders have more time with the instrument we plan to refine the controls. ... Select TUI:Save Window Positions to remember the state of this checkbutton. ... The contextual menu on each control can return that control to the current setting of the instrument. ... the current set of filters. ... Current : reset all configuration widgets to the current state of the instrument. ...

... One of the instruments, the Troughton equatorial telescope, is maintained at constant temperature and relative humidity, to reduce the rate of deterioration. ... 3.1 Troughton Equatorial Telescope . Figure 1 shows the equatorial telescope constructed by J E Troughton of London and which was erected in the west dome of Armagh Observatory in 1795. ... Troughton, J. E.: c.1790, Instructions for Adjusting the Troughton Equatorial Telescope, Armagh Observatory Archives , M17.2, 3pp. ...

. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . The Instrument Science Reoprts written by ST-ECF members for the various Hubble instruments (STIS, ACS, WFC3) and for JWST are available at the STScI. The links below point to the location of all ISR's for the corresponding instrument or telescope. Maintained by Britt Sjoeberg <bsjoeber@eso.org> .

Program: CREATE Purpose: Creates a SET (and subsets) Category: UTILITY File: create.shl Author: K.G. Begeman Keywords: OUTSET= Name of set to create. ... N] This keyword is asked only when the set you want to create already exists. ... This item will be put in the header and will determine the coordinate system CTYPE1= Enter axis name of first axis [stop axis input] For the n_th axis the keyword will be CTYPEn=, like all the following keywords NAXIS1= Size of axis in grids. ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

Model 3955 Dual Channel, Low-Pass 170Hz to 25.6MHz, 24dB/Octave Slope Tunable Active Filter Operating Manual Service and Warranty Krohn-Hite Instruments are designed and manufactured in accordance with sound engineering practices and should give long trouble-free service under normal operating conditions. ... DO NOT return the instrument without our written or verbal authorization to do so. ... All Krohn-Hite products are warranted against defective materials and workmanship. ...

... 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 . ...

Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...

... They were determined as a result of orbit improving on the base of all kinds of optical observations available in the catalog of observations of the Minor Planet Center on March 16, 2014 (radar observations have not been used at this stage). ... As the MPC orbits do not all were improved simultaneously with EMP orbits, only 383866 sets of elements were used for data comparison (for selected sets of elements process of improvement had started with the use of the same observations). ...

... Meade Instruments Corporation . ... How to Calculate Power . How to Calculate Power: The magnification, or power, at which a telescope is operating is a function of the focal length of the telescope's main (objective) lens (or primary mirror) and the focal length of the eyepiece employed. ... Example: The Meade DS-2070AT telescope has an objective lens focal length of 700mm; when this telescope is used with a 25mm eyepiece, a power of 700/25 = 28 power (written as "28x") results. ... about meade | ...

BOKZ Star Instrument Family In-orbit processing results The operating star trackers ­ BOKZ and BOKZ-M ­ can be considered prototypes for the instruments should which provide for controlling s/c angular motion parameters in nominal operation conditions without any support by other systems of the s/c housekeeping system. ... There are bright natural objects (the Sun, the Earth and the Moon) within the instrument's field of view. ...

... The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the Further Information and Bibliography page. The Building and Installing the Distribution page presents an overview of the procedures for compiling the distribution and installing it on a typical client or server. ...