Observatory Support . ... The science header keyword ORIENTAT is populated by adding the angle between the HST V3 axis and the detector Y axis to what we will call the "commanded roll" (North to V3 through East). The V3-detY angles that were relevant at a given observation's epoch are given as a header keyword (beta_2) in the Observation Log files (aka jitter files). ... The commanded roll and the jitter file's ROLL_AVG should agree to within 0.05 degrees, usually better than 0.02deg. ...

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• Fine Guidance Sensor Instrument Handbook
• ACS Instrument Handbook
• Cautions, Idiosyncrasies, and Interpretation

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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• APO Job Announcements
• DIS Keywords
• Astrophysical Research Consortium - Apache Point Observatory

... 295, 2003 H. E. Payne, R. I. Jedrzejewski, and R. N. Hook, eds. The MAST Pointings Tables Pro ject Karen Levay, Paolo Padovani1 , Randall Thompson, Megan Donahue, Michael Corbin Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 Abstract. We have undertaken a pro ject to create a database of all HST imaging observations organized by position on the sky. ... Each sky region was called a "pointing." ... Users select the instrument pointings table they wish to search. ...

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• ADASS 2002 Conference Proceedings
• Calculating the Position and Velocity Components of HST
• An Extragalactic Point Source Simulator for SIRTF Pipeline Testing

... Parameter Mand Type Default Constraints siamset yes string /data/cerd/ CCF /ccfdev/packages/xmm- siam /XMM BORESIGHT for siam .matrix0005. CCF DataSet containing the SIAM angles in BoreSight CCF format. (see comments) ry yes oat 0 3600{3600 shift of source in the FOV of the instrument corresponding to a rotation of the space-craft around the Y-axis in arcsec rz yes oat 0 3600{3600 shift of source in the FOV of the ... SIAM matrix, but formatted as a BoreSight constituent. ...

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• Description
• Algorithm

The close position of main satellite and subsatellite (distance between them about 1000 km) and using the similar sets of Faraday cups (VDP and VDP-S) with high resolution measurements (up to 16 Hz for the main satellite and up to 10 Hz for the subsatellite) allow us to determine the small-scale variations of the magnetopause shape and position and to estimate the velocity of the magnetopause motion. ... Two point observation of the magnetopause motion: the INTERBALL project. ...

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• The Wind Spacecraft
• Events on January 10-11, 1997 - INTERBALL observations
• Lagrangian Points

The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...

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• Lagrangian Points

Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

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• Catalog Construction
• Other Useful Commands
• Reductions --- at last!

Program: PLATE Purpose: snips raw data from tape(s) to custom plate Category: IRAS Author: Do Kester File: plate.src Keywords: INSTRUME= give instrument identification [] a combination of observation mode SURVEY SPLINE AO PO FLASH UNKNOWN and band number 12 25 60 100 LRS BPHF 1 2 3 4 ( 2 letters suffice ) PO is an alias for AO; AOs, POs and UNKNOWNs are collectively known as pointed observations. ... Only scan(snip)s which pertain to the same area and instrument can be stored in the same IRDS. ...

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• Making a Fake Observation
• casacore: casa::MSMainEnums Class Reference
• kpvslice: interactive position-velocity slicing

... This problem affects all FITS-files generated between 16 September and 9 November 2004. ... DETAILED DESCRIPTION -------------------- AFFECTED KEYWORDS : The affected keywords are: CRVAL2A and CRVAL3A (beam position on sky in RA/Dec) CRVAL2B and CRVAL3B (beam position on sky in Az/ZA) CRVAL2G and CRVAL3G (beam position on sky in l/b) CROFF2 and CROFF3 (map center offset in RA/Dec) CROFF2B and CROFF3B (map center offset in Az/ZA) BEAM_OFFRAJ and BEAM_OFFDECJ (total beam ...

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• http://www.naic.edu/~cima/bad_fits_7.txt
• pos_mon - IDL suite for monitoring LEAPFROG observations
• Spectral-Line Observing

... 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. ...

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IBIS Data Analysis . ... IBIS . ... Flat Fielding - Introduction . The images obtained by IBIS will have intensity variations across the field of view that are not due to the solar image, but rather caused by instrumental effects that alter the observed intensity in each point of the field of view. ... IBIS Flat Fielding Techniques . ... Therefore, it is desirable to obtain the flat field measurements center on a point along the equator near the heliographic center of the solar disk. ...

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• Procedures for Observations
• IBIS: SolarNet Access
• Solar Max

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. ... Coronado€о Solar . ... Spotting Scopes . ...

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• Coronado€о Solar - Products
• Professional Series - Weather Stations - Products
• Products

Institute of Applied Astronomy Russian Academy of Sciences Method of Determining the Orbits of the Small Bodies in the Solar System Based on an Exhaustive Search of Orbital Planes Dmitrii Vavilov, Yurii Medvedev Introduction to the problem: Let we have n 3 positional observations of a body: points in time ( = 1, ) , right ascensions , and declinations . ... Determination of the orbit using the Gauss method of determining orbital elements based on two heliocentric positions and points in time. ...

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• Pulkovo NEO Page: Estimation of Accuracy of the Observations
• Pulkovo NEO Page: Estimation of Observational Accuracy

VLT Science Verification Policy and Procedures Version 2.0 - August 2006 Science Verification Observations An integral part of the Commissioning of a new VLT instrument is a series of Science Verification (SV) observations. ... All SV Observations are conducted in Service Mode and usually some members of the SV Team are present at Paranal Observatory for a prompt reduction of the data, and the selection of the observations to be executed. ...

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• http://www.eso.org/~jwalsh/softpol/demo/demo_special.cl
• FORS1 Photometric System Characterization
• AstroRaikoh

Region markers can be moved, resized, rotated, zoomed, deleted, and can change geometric type. ... For example, markers placed on astronomical catalog positions should be fixed so that one cannot accidentally move them off the specified position. ... Parameters can be fixed using the fix option of the regions public access point (for fixing classes of markers) or by means of a fix keyword in the definition of an externally loaded marker. ... In the command: echo "regions fix all -position -size" | ...

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• SAO RSDC Home Page - RRA - PSPC
• Select a circle around the central point source
• Chandra Images for G162.7-16.0

... The final mosaic is presented, along with a catalogue of 4934 sources detected above 6 sigma. ... This file GMRT _LH2_dr1.dat 95 4934 GMRT LH2 sourcelist of 4934 sources -------------------------------------------------------------------------------- Byte-by-byte Description of file : GMRT _LH2_dr1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations ...

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• http://www.mrao.cam.ac.uk/projects/surveys/GMRT/ELAIS-N1/ReadMe
• http://www.mrao.cam.ac.uk/projects/surveys/GMRT/FLS/ReadMe
• http://www.mrao.cam.ac.uk/projects/surveys/GMRT/LH/ReadMe

... The package stsdas.graphics needs to be loaded (to run imdisp_pos for getting # the NDC's of the display image) # set imtype="fits" # print " " print " *** Start of impol SPECIAL instrument demo *** " print " [stecf.impol and stsdas.graphics need to be loaded] " print " " # # (First delete any model reflection nebulae left over from previous demos) # print " Deleting any old demo files " imdel reflneb1*.fits verify=yes # # An input (intensity) image is required. ...

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• http://www.stecf.org/conferences/adass/adassVII/reprints/micola.ps.gz
• http://www.stecf.org/conferences/adass/adassVII/reprints/morganteg.ps.gz
• HSTPOLIMA (V1.00) --- April99 --- HSTPOLIMA (V1.00)

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

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• High Energy Astrophysics Department at IKI RAN
• RTT150 Technical Description
• RTT150 Optical Systems

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

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• Observations with the Faulkes Telescope North
• Coronal Bright Points: Another Oscillating Environment
• Observations and Data Reduction

... Pointers to Pointers . ... Pointers to a Function . ... We have introduced some advanced pointer issues already. This chapter brings together some topics we have briefly mentioned and others to complete our study C pointers. ... main(int argc, char **argv) . ... These are the only arguments main accepts. argc is the number of arguments typed -- including the program name. argv is an array of strings holding each command line argument -- including the program name in the first array element. ...

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• Work Scan Program + Data Viewer (IDL widget)
• di_eks
• Instrumentation