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Topic: High Speed Photometer

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	High Speed Photometer - Wikipedia, the free encyclopedia
		The High Speed Photometer (HSP) was a scientific instrument installed on the Hubble Space Telescope.
		The HSP was one of the instruments on Hubble at launch but couldn't be used successfully due to the optical problems with the telescope.
		HSP at the University of Wisconsin's Space Astronomy Laboratory
	en.wikipedia.org /wiki/High_Speed_Photometer (176 words)

	Galileo's Photopolarimeter Radiometer Capabilities (Site not responding. Last check: 2007-09-09)
		The photometer bands are all rather narrow, to isolate specific absorptions in Jupiter's atmosphere.
		For the observations of SL9, the PPR may be thought of as a relatively high speed photometer.
		One observing option would be to use the 945 nm filter and stare with maximum time resolution, to capture the light curves of both the bolide "flash" and then of the subsequent "fireball"; the peak emission for a flbody at 3000K would be near this wavelength.
	www2.jpl.nasa.gov /sl9/gll2.html (445 words)

	Hubble Space Telescope (HST) Archive System
		According to the shuttle crew, the lip of the HSP rubbed on the multi-layer insulation (MLI) blanket during HSP deintegration from HST.
		Aside from the HSP rubbing the MLI, the HSP came out easily from the bay with a slight pitch up, which was expected.
		The HSP envelope dimensions and position of the focal plane were measured and verified.
	setas-www.larc.nasa.gov /HUBBLE/HARDWARE/hubble_HSP.html (716 words)

	:: NASA Quest > Archives :: (Site not responding. Last check: 2007-09-09)
		COSTAR is not a science instrument; it is a corrective optics package that displaced the High Speed Photometer during the first servicing mission to HST.
		At high resolution, the FOS can reach only 22nd magnitude in an hour (before S/N becomes a problem), but the resolving power is increased to 1300.
		High resolution for the HRS is 100,000; allowing a spectral line at 1200 Angstroms to be resolved down to 0.012 Angstroms.
	quest.arc.nasa.gov /hst/about/overview.html (1165 words)

	The European Homepage For The NASA/ESA Hubble Space Telescope
		The High Speed Photometer (HSP) was one of the four original axial instruments on the Hubble.
		The HSP, which was removed from Hubble during the First Servicing Mission in December 1993, was used to make very rapid (up to 100.000 measurements pr.
		HSP was a special and very simple instrument.
	www.spacetelescope.org /about/general/instruments/hsp.html (96 words)

	The Space Telescope: Scientific American 1982
		The high-speed photometer, which is being developed by Robert C. Bless and his colleagues at the University of Wisconsin at Madison, is designed to make highly accurate measurements, with an extraordinary temporal resolution, of the intensity of the light from astronomical sources over a wide range of wavelengths.
		The high-speed photometer is the simplest of the instruments in the initial group on board the Space Telescope.
		The photometer has four independent, magnetically focused detectors, called image dissectors; they resemble photomultiplier tubes in operation, except that they can be made to respond only to photoelectrons coming from the small region of the photocathode on which the light is focused.
	ecf.hq.eso.org /poa/FOS/hstsciamerspitzer.html (8399 words)

	Cassini-Huygens: Spacecraft-Instruments-Ultraviolet Imaging Spectrograph (UVIS)
		The spectrograph uses an aberration-corrected toroidal grating that focuses the spectrum onto an imaging microchannel plate detector to achieve both high sensitivity and spatial resolution along the entrance slit.
		The high-speed photometer channel (HSP) will perform stellar occultation measurements of the structure and density of material in the rings.
		The HSP resides in its own module and measures undispersed (zero-order) light from its own parabolic mirror with a photomultiplier tube detector.
	saturn.jpl.nasa.gov /spacecraft/inst-cassini-uvis-details.cfm (856 words)

	The Hubble Program - Technology
		GHRS was used to obtain high resolution spectra of bright targets.
		HSP - High Speed Photometer - First-generation photometer.
		STIS is used to obtain high resolution spectra of resolved objects.
	hubble.nasa.gov /technology/instruments.php (718 words)

	fagu99
		A horizontal array of fast (<30~ms resolution) photometers has proved to be an effective tool for discriminating elves (the flash in the lower ionosphere caused by heating due to the electromagnetic pulse from cloud-to-ground lightning) from other brief (~1~ms) atmospheric flashes associated with thunderstorms [Inan et al., 1997; Barrington-Leigh and Inan, 1999].
		A high speed multi-channel photometer was built and deployed to the Wyoming Infrared Observatory (WIRO) at Mount Jelm Wyoming for the Sprites 99 campaign.
		The photometer is bore-sighted with a high speed (1000 frames per second) imager and a narrow field low light level scene camera running at standard TV frame rates (30 frames per second).
	elf.gi.alaska.edu /fagu99.html (1605 words)

	Temporal and spatial structures of flickering aurora derived from high-speed imaging photometer observations at Syowa ...
		Temporal and spatial structures of flickering aurora derived from high-speed imaging photometer observations at Syowa Station in the Antarctic
		Dynamic spectra at two different wavelengths and clear temporal and spatial structures of flickering aurora at 427.8 nm are derived from these high-speed imaging photometer data.
		Citation: Sakanoi, K., and H. Fukunishi (2004), Temporal and spatial structures of flickering aurora derived from high-speed imaging photometer observations at Syowa Station in the Antarctic, J.
	www.agu.org /pubs/crossref/2004/2003JA010081.shtml (301 words)

	Ground Sites
		A high speed photometer system has been developed for auroral research by one of the Co-Investigators, Hans Stenbaek-Nielsen, in conjunction with Major Geoff McHarg of the air FOrce Academy.
		The photometer system is controlled by a computer and the output of the photomultiplier is recorded on disk.
		A supplemental photometer with a 10° FOV (Winkler photometer - Lyons) operating wide-band will be used used to correlate the time-base for the different data acquisition cards.
	www.uh.edu /research/spg/ground.htm (1718 words)

	HYPERSEED: Hypervelocity reentries and deposition of organics in large meteors (Site not responding. Last check: 2007-09-09)
		Scientific objective: To measure the total radiative output of the SRC during entry in the 380-600 nm band and the 600-900 nm band and detect rapid fluctuations of light output from spacecraft rotation, instabilities in the shock layer, and ablation.
		Each photometer measures the sky over a large ±15 degree field of view, at about 5 - 35 degree elevation.
		Heritage: A slower but intensified photometer was deployed onboard the 2002 Leonid MAC mission for high-speed lightcurve measurements of meteors.
	reentry.arc.nasa.gov /PHOT.html (271 words)

	[49P.11] A High-Speed Occultation Photometer and Imager for SOFIA (Site not responding. Last check: 2007-09-09)
		Earth-based observations of stellar occultations provide extremely high spatial resolution of atmospheres and rings of bodies in the outer solar system.
		Airborne occultation observations are particularly effective, since the controlled mobility of the observing platform allows the observer to fly within the optimum part of the occultation shadow for most events that are visible from Earth.
		This is a dual-channel CCD imaging occultation photometer for use on SOFIA, the Stratospheric Observatory For Infrared Astronomy.
	www.aas.org /publications/baas/v30n3/dps98/411.htm (183 words)

	Cassini UVIS Instrument Description
		The UVIS also includes a high-speed photometer channel, a hydrogen-deuterium absorption cell channel, and an electronic and control subassembly.
		The extreme ultraviolet channel (EUV) will be used for imaging spectroscopy and spectroscopic measurements of the structure and composition of the atmospheres of Titan and Saturn.
		The hydrogen-deuterium absorption cell channel (HDAC) will be used to measure hydrogen and deuterium in the Saturn system using a hydrogen cell, a deuterium cell, and a channel electron multiplier (CEM) detector to record photons not absorbed in the cells.
	lasp.colorado.edu /cassini/inst_desc (612 words)

	Bob Paulos (Site not responding. Last check: 2007-09-09)
		He began with the Hubble Space Telescope's High Speed Photometer.
		He has received NASA awards for significant contributions on both High Speed Photometer and DXS programs.
		Bob is currently the Executive Director for the Antarctic Astronomy and Astrophysics Research Institute and is also the Space Flight Programs Coordinator.
	www.ssec.wisc.edu /a3ri/paulos (134 words)

	HubbleSite - Hubble Space Telescope At A Glance
		Hubble was originally equipped with five science instruments: the Wide-Field Planetary Camera, the Faint Object Camera, the Faint Object Spectrograph, the Goddard High-Resolution Spectrograph, and the High Speed Photometer.
		In addition, three fine guidance sensors were used for pointing and for precision astrometry, the measure of angles on the sky.
		A corrective optical device, called the Corrective Optics Space Telescope Axial Replacement, was installed (requiring removal of the High Speed Photometer) so that it could improve the sharpness of the first generation instruments.
	hubblesite.org /hubble_discoveries/10th/vault/allabout.shtml (903 words)

	Mysteries of Deep Space - About the Hubble
		During the servicing mission in December 1993, the astronauts installed the Corrective Optics Space Telescope Axial Replacement (COSTAR) in the fourth axial bay (in place of the High Speed Photometer).
		COSTAR deployed corrective reflecting optics in the optical paths in front of the Faint Object Camera, thus removing the effects of the primary mirror's spherical aberration.
		Some scientific programs requiring very high data-acquisition rates cannot be accommodated, because the SIs would generate more data than either the links or ground system could handle.
	www.pbs.org /deepspace/hubble/diagram.html (1385 words)

	Conference Participants (Site not responding. Last check: 2007-09-09)
		A 1000 frames per second intensified CCD camera and a 100 kHz photometer was flown on the NASA DC-8 during the 2002 Leonid Multi-instrument Aircraft Campaign.
		The high-speed imager has a 6.4x6.4 degree square field of view while the photometer has a larger (~15 degrees) circular field of view.
		The high-speed photometer data have at this time only been cursory analyzed.
	leonid.arc.nasa.gov /workshop/abstracts/hnielsen.html (347 words)

	Cassini UVIS Description-Basic
		The high-speed photometer channel (HSP) measures the amount of starlight and sunlight that peek through Saturn's rings and around Titan and Saturn, when a star or the Sun is behind them (called an occultation).
		The HSP performs stellar occultation measurements of the structure and density of material in the rings.
		The HSP measures light reflected from its own parabolic mirror with a photomultiplier tube detector.
	lasp.colorado.edu /cassini/inst_desc/inst_desc_basic.htm (901 words)

	SSEC 2001 Highlights
		Scanning HIS, our high spectral resolution aircraft instrument, is playing a key role in the validation of satellite data from NASA Terra and GOES; a busy future is expected in keeping up with forthcoming U.S. weather and earth science satellites.
		HSP data was used to deduce existence of a fl hole.
		Summary graphics outlined the impact of the VIIRS high resolution 11 micron channel on sub-pixel fire characterization.
	www.ssec.wisc.edu /media/Highlights2001/highlights2001.html (3050 words)

	National Science Foundation funds NMSU telescope upgrade
		Large telescopes have tremendous light-gathering capability, which translates to high resolution and the ability to observe distant, faint objects.
		Detecting these objects requires the high-resolution spectroscopy of a large telescope, but once the planets are known, smaller telescopes can be used to observe the transits that occur in edge-on systems, where the planet crosses in front of the star as seen from Earth.
		One of the instruments that will be added to the 1-meter telescope — a high-speed photometer that can measure five or six colors of the spectrum simultaneously — will be useful in observing these transits.
	www.nmsu.edu /~ucomm/Releases/2006/march/telescope.htm (823 words)

	PI - Leader in: Nanopositioning Engineering, Piezo Motion Control, NanoAutomation®, Nanopositioning, PZT, Piezo ...
		High Force, High Resolution, Long Travel Linear Actuators / Positioning Systems Featuring Picometer Resolution and Millimeters of Travel Novel, patented, ultra-precision linear drive combines long travel ranges (10's to 100's of mm) with fast response (100's of Hz), high force (to 600 N) and high resolution (<0.1 nm).
		High-Speed Photometer and Piezo Scanning Stages increase throughput in alignment, spectroscopy applications.
		Nanotechnology requires extreme high resolution and accuracy and at the same time long travel range.
	www.pi-usa.us /technotes.html (951 words)

	Star Wars: Message Boards: LIGHTNING !!!
		High speed photometer measurements show that the duration of sprites is only a few ms.
		Current evidence strongly suggests that sprites preferentially occur in decaying portions of thunderstorms and are correlated with large positive cloud-to-ground lightning strokes.
		Following their emergence from the top of the thundercloud, they typically propagate upward in narrow cones of about 15 degrees full width at vertical speeds of roughly 100 km/s (Mach 300), fanning out and disappearing at heights of about 40-50 km.
	forums.starwars.com /thread.jspa?threadID=120960 (1353 words)

	The High-Speed UBVRI Photometer MCCP
		For precise multicolour aperture photometry of fast variable phenomena the Multi-Channel Multi-Colour Photometer MCCP has been developed.
		This instrument uses three optical fibers which are positioned by computer control onto three light sources (e.g.
		Peripheric devices include an on-line graphics system which allows to monitor selected light curves and an autoguider system which controls the star centering in the fiber diaphragms.
	www.wendelstein-observatorium.de:8002 /mccp/mccp_en.html (265 words)

	Hubble Archives (Site not responding. Last check: 2007-09-09)
		Originally, the HST was equipped with five detectors: the Wide-Field Planetary Camera, the Faint Object Camera, the Faint Object Spectrograph, the High-Resolution Spectrograph, and the High Speed Photometer.
		A corrective optical device, called the Corrective Optics Space Telescope Axial Replacement (COSTAR), was inserted in the slot for the High Speed Photometer, which had to be removed to make room for COSTAR.
		The Wide-Field Planetary Camera, which had a different optical path from the other four instruments, was replaced with a second camera, which has a built-in correction for the aberration in the primary mirror.
	www.greatshop.com /cdrom/HUBBLE.HTM (419 words)

	Glossary - Wide Field Camera 3
		FOS also had a polarimeter for the study of the polarized light from these sources.
		GHRS - Goddard High Resolution Spectrograph - First Generation Spectrograph.
		This instrument was used to measure very fast brightness changes in diverse objects.
	wfc3.gsfc.nasa.gov /Glossary.html (1093 words)

	photometer - OneLook Dictionary Search
		Photometer : Online Plain Text English Dictionary [home, info]
		Phrases that include photometer: flame photometer, all sky photometer, flicker photometer, försters photometer, high speed photometer, more...
		Words similar to photometer: exposure meter, light meter, more...
	www.onelook.com /?w=photometer (253 words)

	PanelX: The Flat Panel Display Industry Portal & Exchange (Site not responding. Last check: 2007-09-09)
		The "Viewing Angle" products are the ideal for measuring and analyzing photometric, colorimetric, optical properties and characteristics of display devices versus viewing angle (up to 80°) and under various conditions (illumination, temperature, driving signals...).
		With its multiple optics, MURATest family is ideal to test uniformity and avoids the viewing angle dependence of the uniformity measurements results, observed with conventional area photometer methods.
		Two resolutions are available: a high resolution CCD: 1024 x 1536 pixels or a standard resolution CCD: 512 x 768 pixels.
	www.panelx.com /directory/eldim.php3 (565 words)

	B. Stellar Occultations (Site not responding. Last check: 2007-09-09)
		[1994].) Miraculously, almost all experiments equipped to observe the ring occultation were successful, and a voluminous amount of high signal/noise data were collected from a wide geographical net extending from Chile to Arizona, from Hawaii to Texas.
		Results of this caliber, in combination with Voyager imaging and occultation data, permit the refinement of those quantities requiring either a long timebase of observations and/or increased sampling.
		Three Saturn ring occultations [ Elliot et al., 1993; Bosh, 1994] and two Uranus occultations [ Bosh, 1994] were observed between October 1991 and April 1993, and the results have been used to refine the Saturn pole and radius scale and to study the narrow rings of both Saturn and Uranus.
	www.agu.org /revgeophys/porco01/node5.html (331 words)

	HYPERSEED: Hypervelocity reentries and deposition of organics in large meteors / Stardust SRC Entry Observing Campaign ... (Site not responding. Last check: 2007-09-09)
		The aircraft was positioned correctly and the flare was observed as predicted.
		Minor problems concerned frosting on the windows due to high humidity in the cabin and interference in video cables.
		Unfortunately, this very narrow shower will peak over Europe this year, and night time rates in California will not be very high.
	reentry.arc.nasa.gov (3244 words)

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