... HST . ... HST Overview . ... Calibration Resources . ... The FOC Exposure Simulator, FOCSIM, provides the capability to simulate almost any FOC exposure and to calculate diagnostics about the image. FOCSIM, the FOC exposure SIMulator, uses the most current description of the FOC and its filters along with an input spectra (either from an on-line catalog or user-supplied file) to simulate an image from the FOC and provide the count rate within the image. ... What Sources can FOCSIM Simulate . ...

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• HST Call for Proposals
• HDF-S Flanking Fields Data Reduction / Technical Issues
• Director's Discretionary Time Submission

... Within the XMM pipeline it is necessary to make a decision a priori whether a given exposure in an observation should be passed through the normal ``scientific'' pipeline. ... This decision is based solely on information readily available from the ODF (via the OAL), for example instrument mode, filter wheel position (except RGS), exposure duration, etc. ... EPIC MOS or pn exposures which are not in a supported mode (see list below) . ... OM science user defined, EPIC M1 image, EPIC M1 image/fast, . ...

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The VLTI Calibrator Selector Tool is a tool intended to assist in the selection of suitable interferometric calibrators for VLTI observations with MIDI and AMBER. It uses a model of the VLTI and its instruments to assess the fringe visibility, given the observed bandpass, the geometry, spectrum, and coordinates of the target and the time at which the observations are to be made. ... The tool offers an HTML/Java based interface and consists of two pages. ... The quality flag depends on LDD_chi2. ...

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• HAWK-I Exposure Time Calculator

... Directives | ... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Modules . ... Core Authentication . ... This module provides core authentication capabilities to allow or deny access to portions of the web site. mod_authn_core provides directives that are common to all authentication providers. AuthName . AuthnProviderAlias> . ... The example below creates two different ldap authentication provider aliases based on the ldap provider. ... Directory> . ...

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• The Arcetri Spectral Code - E.Landi and M.Landini (2001)
• mod_auth_digest - Apache HTTP Server
• mod_auth_basic - Apache HTTP Server

... CIMAFITS is the name for the Arecibo FITS-file format. ... This is a list of (fairly) up-to-date documents describing CIMA and CIMAFITS: . The CIMA version history log which is the most up-to-date page listing all changes made to the different versions of CIMA . ... The CIMA user's log which chronologically lists changes made to CIMA that may be relevant to an observer. The CIMA engineering log which lists engineering changes made to CIMA that probably are of less interest to an observer. ...

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• GALFA System Description
• Current Arecibo Observing Modes
• Project Description

Next: Summary List of SCHED Up: THE SCHED INPUT FILES Previous: THE SCHED INPUT FILES Contents . The schedule file is the main, and perhaps only, input file that the user prepares. ... A large number of input parameters are available for the schedule file. ... Default: The value assigned by SCHED if the parameter is not given in the schedule file. ... SCHedule . ... Next: Summary List of SCHED Up: THE SCHED INPUT FILES Previous: THE SCHED INPUT FILES Contents Craig Walker 2014-04-14 ...

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• World Coordinate Systems (WCS) in FITS
• Parameters Specific to the VLA
• casacore: Fitting_module

... Astrophysics Group . ... FIRST . ... This site is an initiative by MRAO Cambridge to provide improved access for the UK to the images being produced from the FIRST survey. ... Note that a small image returned by this server will have different gridding and orientation from an image of corresponding position and size returned by the FIRST CUTOUT server at the main site. ... This site may evolve to provide more of the facilities available at the FIRST main site in due course. ...

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• Astrophysics Group VLSS
• OOF Reduction Software Bojan Nikolic web pages (r. 329)
• Description of the OOF software architecture Bojan Nikolic web pages (r. 329)

... Apache HTTP Server Version 2.2 . ... Provides the ability to create extended authentication providers based on actual providers . ... The example below creates two different ldap authentication provider aliases based on the ldap provider. ... AuthnProviderAlias ldap ldap-other-alias> . ... AuthnProviderAlias> and </AuthnProviderAlias> are used to enclose a group of authentication directives that can be referenced by the alias name using one of the directives AuthBasicProvider or AuthDigestProvider ....

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• mod_authz_dbm - Apache HTTP Server
• Echelle Spectra
• mod_auth_basic - Apache HTTP Server

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

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• Ground Radio Telescope (GRT) Products

... 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. ...

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• VISTA - Visible and Infrared Survey Telescope for Astronomy

... The IVOA Data Access Layer (DAL) working group is defining a Simple Spectral Access (SSA) protocol for accessing 1D spectra and SEDs. ... The survey consists of two parts. ... Elodie: 25000 extracted Echelle spectra, resolution 42000, 4000 - 6800 ? ... ISO 1D Spectral Data: 10000 files, 2.4-197 micron, resolution 40-30000 . ... XMM-Newton 1D Spectral Data: XMM/RGS, 20000 spectra (expected), 0.35-2.5 keV, resolution 200-800; XMM/EPIC, 1.5 mio. spectra (expected), 0.35-15 keV, resolution 20-50 . ...

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• Indexing and Searching Distributed Astronomical Data Archives
• VLT Data Quality Control
• Footnotes

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

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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? ...

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• Data bases of Natural Satellites. Documentation. Sources

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This course will provide an overview of some of what is now known about the presence of magnetic fields in stars. ... Lectures: eight lecture hours total, one per week, normally Tuesdays at 11:30 in the Library at Armagh, and Mondays 12 - 1 at QUB in the seminar room. ... Lecture 3, measuring stellar magnetic fields . Lecture 4, stellar magnetic fields and associated phenomena . ... Chapter 1 (Lectures 1 - 4) . ...

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• sfit help file
• Atomic data for Stellar Atmospheres: lte_lines
• Web-Site Content and Internet Access

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

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• SAI OCL Catalog King 19
• SAI OCL Catalog King 13
• SAI OCL Catalog Koposov 12

Next: Presentation of the results Up: World Wide Web version Previous: WWW access . On the main page, a very short description of the program may be found. ... The first link brings the user to a very friendly interface of the main code, where all parameters can be set and the calculations can be started. The second lonk provides a list of papers containing the results of the Scenario Machine calculations beginning from 1983 untill 1996 and a short description of the code. ...

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... He made observations of a supernova (literally: nova= "new star") in 1572 (we now know that a supernova is an exploding star, not a new star). ... Brahe's meticulous observations showed that the supernova did not change positions with respect to the other stars (no parallax). ... This was early evidence against the immutable nature of the heavens, although Brahe did not interpret the absence of parallax for stars correctly, as we discuss below. Brahe made careful observations of a comet in 1577. ...

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SAI VO . ... SAI CAS . ... Web Services . Catalog Access Services . ... SAI VO Wiki . ... Program Access . SAI CAS Wiki . SAI Web Services . ... DSS Mirror . ... We provide an implementation of IVOA standard Simple Image Access Protocol interface to our DSS mirror. Service metadata is available here . Currently, we provide the atlas service only, which returns the list of original DSS images intersecting the requested sky area. ... SAI MSU | ...

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• SAI Web Services - WCSfix

. 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 .

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• Description of different types of shell
• Local command(s) for showing available printers

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... On 9 September 2009, a contract was signed between ISC Kosmotras and SSTL for the launch of Nigeria-2 and NigeriaSat- у satellites on Dnepr rocket as part of 2010 cluster launch from Yasny Launch Base. According to information provided by SSTL the NigeriaSat-2 satellite is being built for the Nigerian government (NASRDA) as a follow-on to the NigeriaSat-1 satellite that was launched in 2003. ... E-mail: info@kosmotras.ru . ...

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