FGS Instrument Handbook for Cycle 24 . ... Fine Guidance Sensor Instrument Handbook for Cycle 24 > Chapter 3: FGS Science Guide > 3.4 Combining FGS Modes: Determining Stellar Masses . ... The combination of Position mode and Transfer mode observations is an effective means to derive a full orbital solution of a binary system. ... And with the parallax known (from the Position mode data), the total system mass, and hence the mass of each component, can be determined. ...

... MODE = PrimePartialW2 / Instrument configuration CALIBRATION_ MODE _1 = PrimePartialW2 / Mode used to calibrate events from CCD 1 CALIBRATION_ MODE _2 = PrimeFullWindow / Mode used to calibrate events from CCD 2 CALIBRATION_ MODE _3 = PrimeFullWindow / Mode used to calibrate events from CCD 3 CALIBRATION_ MODE _4 = PrimeFullWindow / ... The DATA_MODE_n parameters indicate the data mode (determined by the oal ) the n-th CCD was in during the exposure. ...

... Measurement of thermal properties of a sample to determine its composition: abundance of sorbed and hydrated water, mineralogical characteristics (chemical composition, crystallization etc.) ... The main registration technique, used in DTA instrument, is measurement of the sample temperature and/or power consumed by the instrument heating cell during the heating with the specified rate. ... Main characteristics of a heater . ... M. Gerasimov, Head of Laboratory +7(495)333-11-55, Mgerasim@iki.rssi.ru...

Magnetic field measurements onboard the Interball Tail spacecraft are carried out by the FM-3I instrument which consists of two flux-gate magnetometers covering two different ranges: [-200, +200] nT and [-1000, +1000] nT. Besides scientific goals, the FM-3I experiment data is used to perform the attitude control of the Interball Tail spacecraft. ... August 22, 1995 . ... October 18, 1995 . Top of the page . ... Back to the Interball Home Page . ...

Next: The Transmission Gratings Up: The Instruments Previous: The Instruments . ... A conventional cross-grid charge detector reads out the photo-induced charge cloud and the electronics determine an arrival time to 16s, and the position with a resolution of about 18 m or 0.37 arcsec. ... The Massachusetts Institute of Technology's Center for Space Research, in collaboration with Lincoln Laboratories, developed the detector system and manufactured the CCDs; Lockheed-Martin integrated the instrument. ...

... 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. ...

m = -2.5log(DN/sec) + C - K*(airmass - 1.0) + A*color . ... g* and i* zero points determined by Eugene Magnier (dec 5, 1997), errors are about 10%. u*, r*, and z* are very preliminary and may have errors of 20%. filter . lambda . ... UBVI zero points determined by Ted Wyder (fall '97), about 3% internal error. filter . ... UBVI zero points determined by Dan Zucker (oct 19, 1997), about 3% internal error. filter . ... JHK Zero points determined by Eugene Magnier over several runs in 1997. filter . ...

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 . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The top panel shows an image of the Sun in the O VI 1032 line obtained on 1996 June 7 by the SUMER instrument, with the three regions for which O VI 1032 and 1038 line intensities were determined from SUMER spectra labelled as A, B and C. The remaining panels show plots of the measured I(1032)/I(1038) ratios for each region. ... A similar effect can take place between lines of differing optical depth. ...

. Better satellite instruments are improving measurements of solar energy reaching Earth. Exactly determining the contribution of solar fluctuations to rising global temperature is expected to become possible as new instruments, such as the Total Irradiance Monitor above, further refine solar measurements. The device is scheduled to launch next month on NASA's Glory spacecraft. NASA

... Astrophysics Group . ... Integration of the NIRSpec instrument . ... SKA AAVS0 array . ... One of the major milestones for the James Webb Space Telescope (JWST) has been, in September 2013, the completion by ESA of NIRSpec, the first multi-object spectrograph to be operated in space. ... Cambridge, and in particular the Cavendish Astrophysics Group and the Kavli Institute for Cosmology, is heavily involved in NIRSpec by hosting one of the Instrument Science Team members (R. Maiolino). ...

... As modern observatories evolve to production units delivering data products and calibrated scientific data to the end users, new challenges arise in assessing the quality of data products. ... Taking the analogy of speed control on a motorway we can describe the system as a device (radar) collecting measurements of the system performance (passing cars). ... One of the direct applications of quality control is the verification of instrument performance based on the analysis of calibration exposures. ...