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Topic: Space Interferometry Mission

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	Space Interferometry Mission (SIM)
		A major space-based observatory in NASA's Origins Program, SIM will be the first space mission to carry an optical interferometer as its main instrument.
		SIM will combine the light from two sets of four 30-cm (1-ft.) diameter telescopes arrayed across a 10-m (33-ft.) boom to achieve a resolution approaching that of a 10-m diameter mirror.
		Through a process known as synthesis imaging, SIM will also be generate images of objects such as dust disks around stars and look for gaps or clearings in the debris that might indicate the presence of unseen worlds.
	www.daviddarling.info /encyclopedia/S/SIM.html (257 words)

	Contractors chosen for Space Interferometry mission (Site not responding. Last check: 2007-10-05)
		SIM is an innovative space system that will be launched in 2005 to measure precisely the location of stars and to search for planets orbiting nearby stars.
		SIM is part of the Origins Program in NASA's Space Science enterprise, a long-term program to enhance our understanding of the universe and search for life beyond Earth.
		SIM also will image the regions immediately surrounding massive fl hole candidates in the nearest galaxies, measure the distances to half a dozen nearby galaxies, and study other celestial objects.
	www.jpl.nasa.gov /releases/98/simcontractor.html (0 words)

	Astrobiology Magazine
		SIM will be an interferometer, which means it will combine interacting light waves from its three component telescopes.
		SIM's primary mission will be to measure distances to stars with 100 times greater precision than now is possible.
		COROT - for Convection, Rotation and Planetary Transits - is a mission of CNES, the French National Center for Space Studies, in partnership with ESA, Italy, Belgium and Germany.
	www.astrobio.net /news/print.php?sid=543 (0 words)

	Detailed information on Star Light mission
		The objective of the mission is to develop and test technologies for performing interferometric observations in space and, since the distance between the separate telescopes making up the interferometer must be very precisely known and controlled, for the extremely precise formation flying required to make it work.
		The space-borne optical interferometry and formation flying technologies of starlight are vital to the exciting space interferometry missions NASA plans for the next few decades.
		The Space Interferometry Mission, Terrestrial Planet Finder, and Planet Imager, as well as starlight, are all part of NASA's Origins Program, which, by imaging and studying distant stars and planets, seeks to understand the origins of the universe and the possibility of life outside our solar system.
	freespace.virgin.net /d.finn/star-light-mission.html (0 words)

	Space Today Online -- Faraway Planets Orbiting Distance Stars
		In 2001, astronomers using the Hubble Space Telescope to measure the dimming of starlight during a transit of an exoplanet at the star HD 209458 in the constellation Pegasus found that the giant planet consists mostly of gas.
		Eclipse is a proposed Discovery mission to perform the first sensitive imaging study of nearby planetary systems and their evolutionary stages from formation as young stellar objects to their demise as planetary nebulae.
		During a three-year science mission, Eclipse would directly detect and characterize Jupiter-class planets, zodiacal dust structures, and brown dwarf companions associated with stars in the solar neighborhood; survey the protoplanetary disks of nearby molecular clouds; and study the dissolution of planetary systems in the winds of dying stars.
	www.spacetoday.org /DeepSpace/Stars/Planets/PlanetFindingMissions.html (0 words)

	SPACE.com -- Good Vibrations: For NASA's Space Interferometry Mission, It's the Little Things That Matter Most (via ... (Site not responding. Last check: 2007-10-05)
		In addition to his role as leader of the SIM science team, Shao is principal investigator of an extrasolar planet survey using the space-based instrument.
		The mission is scheduled for launch sometime between 2009 and 2010, but in order to get there JPL researchers had to know whether they could even design an instrument sensitive enough for their needs.
		SIM scientist Todd Henry, an associate astronomy professor at Georgia State University, said the mission should allow him to make measure the masses of a cross-section of stars with remarkable accuracy.
	www.space.com.cob-web.org:8888 /businesstechnology/technology/sim_testbed_040317.html (0 words)

	Future Space Missions (Site not responding. Last check: 2007-10-05)
		Mission: Mission The Jupiter Icy Moons Orbiter proposed mission is to orbit three planet-sized moons of Jupiter -- Callisto, Ganymede and Europa -- which may harbor vast oceans beneath their icy surfaces.
		Mission: The probe is expected to circle the moon for at least one year and return detailed maps of the lunar surface, data on the moon’s radiation levels and an in-depth look at its polar regions for resources that could be tapped by future astronauts.
		Mission: To be the successor to XMM-Newton in studying the universe.
	www.ccastronomy.org /space_missions_future.htm (0 words)

	Space Politics: JWST delay (Site not responding. Last check: 2007-10-05)
		Space News reports in its latest edition (in an article freely available at SPACE.com) that NASA has decided to deal with the cost overruns on the James Webb Space Telescope (JWST) program by delaying the mission rather than cutting it.
		Nevertheless, space science is doing better now than it ever has, and the science community generally recognizes that.) The space scientists who are complaining are generally the ones who have taken cuts, but overall there are many more people who are benefitting than are suffering, and the science community understands this.
		Certain members of the space astronomy community reflexively blame VSE for their funding troubles, but it is precisely overruns, earmarks, and HST (which actually is an earmark) that are the problem.
	www.spacepolitics.com /archives/000710.html (0 words)

	An Overview of the Space Interferometry Mission, SIM (Site not responding. Last check: 2007-10-05)
		SIM is an interferometric mission that NASA has selected to fill that role.
		SIM is derived from a mission that has been studied at JPL for the past 6 years, the OSI mission.
		SIM, in addition, is designed to validate some of the technologies for future NASA missions such as a large IR interferometer to detect the light from Earth-like planets around nearby stars.
	www.aas.org /publications/baas/v27n4/aas187/S071003.html (0 words)

	science@nasa - Universe Missions
		SIM would be the world's first long-baseline optical interferometer in space, and a technological precursor to the Terrestrial Planet Finder.
		Astro-2 was the second Astro mission flown in the shuttle payload bay, and consisted of the three ultraviolet telescopes; the x-ray telescope was not flown on Astro-2.
		Hipparcos was a European Space Agency mission dedicated to the precise measurement of the positions, parallaxes and proper motions of the stars.
	science.hq.nasa.gov /missions/universe.html (0 words)

	ScienceMaster - JumpStart - Origins
		Origins missions include four space-based observatories—the Next Generation Space Telescope, the Terrestrial Planet Finder, the Space Infrared Telescope Facility, and the Space Interferometry Mission, and Earth-based observations using the Keck Telescopes on Mauna Kea, Hawaii.
		These missions are the Space Interferometry Mission, the Space Infrared Telescope Facility and the Keck Interferometer in Hawaii.
		SIM will be launched early in the next decade and will map the wobbles of nearby stars as their paths weave across the sky, providing indirect evidence that these stars have planets orbiting around them and exerting their gravitational pull.
	www.sciencemaster.com /jump/space/origins.php (0 words)

	SPACE.com -- Interferometry Mission Sent Back to Drawing Board (Site not responding. Last check: 2007-10-05)
		The Space Interferometry Mission, or SIM, project would combine the light from various telescopes working in unison to mimic the behavior of one, larger telescope.
		Specifically, the SIM spacecraft would use interferometry to measure the positions and distances of stars hundreds of times more accurately than ever before, giving astronomers a cosmic yardstick to gauge distances throughout the galaxy.
		That plan, for instance, would allow NASA to equip SIM with a fixed, 11-yard (10-meter) beam required to separate its various telescopes, rather than a more costly hinged contraption necessary, were the spacecraft to be stuffed aboard a rocket for launch.
	space.com /missionlaunches/missions/interferometry_project_001107.html (0 words)

	Jet Propulsion Laboratory
		The Space Interferometry Mission (SIM) is an orbiting interferometer that will link a pair of telescopes to function in unison as a much larger "virtual telescope." One goal is to detect planets of varying sizes -- from huge planets several times the size of Jupiter down to planets about as massive as Earth.
		SIM will open the era of "precision astrophysics." It will permit the construction of a "street map" to our Milky Way galaxy which could lead to breakthrough discoveries in astronomy.
		The mission will determine the distances to important signposts throughout the Milky Way as well as the motions of nearby galaxies and it can study the activity deep in the cores of external galaxies.
	www.jpl.nasa.gov /missions/future/sim.html (0 words)

	The Science Enabled by the Space Interferometry Mission (Site not responding. Last check: 2007-10-05)
		The proposed capabilities of SIM are simply stated: about a thousand times better in position, parallax, and proper motion accuracy than currently available, and to limiting magnitudes approaching 20.
		In order to assess the impact of the SIM on various astrophysical problems, we consider its effect on the three areas of astrometric measurement: positions, parallaxes, and proper motions, and examine various astronomical areas and problems in light of the expected accuracies.
		We consider the science enabled by two levels of accuracy, the 5 microarcsecond accuracy of the baseline SIM and the 1 microarcsecond accuracy of an enhanced (truss extended to 20m) SIM.
	www.ess.sunysb.edu /simswg/siswg/node6.html (0 words)

	Spaceflight Now \| Breaking News \| Planet-finding by numbers
		Space shuttle Discovery's STS-39 flight, launched in April 1991, served as a research mission for the U.S. Department of Defense.
		The mission, scheduled for a launch in the next decade, will target planets with specific traits in common with Earth: a similar mass and an orbit in the "habitable zone," not too close and not too far from its parent star.
		All planets discovered by the mission would be on a short list of targets for the future Terrestrial Planet Finder mission, which would look for direct signatures of habitable environments and even of life itself.
	www.spaceflightnow.com /news/n0610/20planetfinder (0 words)

	Spaceflight Now \| Breaking News \| Search for life could include planets, stars unlike ours
		Gould is on the science team that is helping to plan the SIM mission, and he is working to define the capabilities of the satellite.
		NASA is considering whether to divert funds to maintain the Hubble Space Telescope beyond its scheduled retirement in 2010, Gould explained, and he has been asked to address the issue for an assembly of astronomers in Washington D.C. on Thursday, July 31.
		Gemini 12: The NASA Mission Reports covers the voyage of James Lovell and Buzz Aldrin that capped the Gemini program's efforts to prove the technologies and techniques that would be needed for the Apollo Moon landings.
	www.spaceflightnow.com /news/n0308/02lifesearch (0 words)

	Space Missions
		CIPS researchers and faculty are integrally involved in the Space Interferometry Mission (SIM).
		SIM PlanetQuest, scheduled for launch within the next decade, will be the most powerful planet-hunting space telescope ever devised.
		The Kepler Mission, a NASA Discovery mission, is specifically designed to survey our region of the Milky Way galaxy to detect and characterize hundreds of Earth-size and smaller planets in or near the habitable zone.
	cips.berkeley.edu /missions.html (0 words)

	Planet Quest: SIM Technical Area
		SIM PlanetQuest (formerly called Space Interferometry Mission), scheduled for launch in 2015, will determine the positions and distances of stars several hundred times more accurately than any previous program.
		Developed for use in space with SIM, this technique will eventually lead to the development of telescopes powerful enough to take images of Earth-like planets orbiting distant stars and to determine whether these planets sustain life as we know it.
		SIM is being developed by the Jet Propulsion Laboratory under contract with NASA and in close collaboration with industry partner Northrop Grumman in Redondo Beach, California.
	planetquest.jpl.nasa.gov /SIM/sim_what_is.cfm (0 words)

	Interferometry
		In the 1990's the Hubble Space Telescope (HST) became operational.
		Instead we resort to interferometry, coupling two or more telescopes together optically, to synthetically build an aperture equal to the separation of the telescopes.
		The Space Interferometry Mission (SIM) is a NASA project specifically designed to improve imaging of the sky.
	casa.colorado.edu /~wcash/interf/Interfere.htm (0 words)

	Planet Quest: Missions - SIM PlanetQuest
		SIM PlanetQuest is progressing ahead of schedule, having completed three of nine engineering milestones required by CDR.
		SIM PlanetQuest is a key mission in NASA's search for Earth-like planets and life.
		SIM is explicitly mentioned in NASA's new Vision for Space Exploration, which responds to President Bush's vision.
	planetquest.jpl.nasa.gov /SIM/sim_index.cfm (0 words)

	An Introduction to the Space Interferometry Mission (Site not responding. Last check: 2007-10-05)
		The Space Interferometry Mission will be the first spatial long-baseline optical interferometer in space.
		As an example, this level of precision allows SIM to measure stellar parallax distances to 10%, and transverse velocities to 200 m/s, out to the far side of the Galaxy.
		The basic architecture and observing techniques of SIM are scalable to much larger deployed structures in planned future missions.
	www.aas.org /publications/baas/v29n5/aas191/abs/S023002.html (0 words)

	SPACE.com -- Future Missions to Search for Earth-like Planets
		The Space Interferometry Mission (SIM) would hunt for Earth-sized planets around other stars and provide new insights into the origin and evolution of our galaxy.
		A science team for the mission was chosen by NASA November 28, 2000, and the mission is scheduled for launch in 2009.
		SIM would be placed into orbit around the Sun on a path that follows Earth's orbit.
	www.space.com /searchforlife/exoplanet_missions_001130_6.html (0 words)

	Space Politics: Feedback from space groups (Site not responding. Last check: 2007-10-05)
		The Space Foundation (which runs the Coalition for Space Exploration on behalf of the coalition's member companies) casts a similar vote of confidence in the budget.
		The Planetary Society is not pleased with the budget's shift in emphasis away from robotic space exploration in favor of funding for shuttle, station, and manned exploration.
		Of particular concern is NASA's decision not to develop a Europa orbiter mission, indefinitely defer (or cancel) Terrestrial Planet Finder, and a three-year delay in the Space Interferometry Mission (SIM).
	www.spacepolitics.com /archives/000812.html (0 words)

	[No title]
		A third solicitation after the launch of SIM may occur if this is necessary and appropriate to fully subscribe the expected observing time.
		This Team will carry out most of the scientific duties and observations associated with the primary science mission of the Space Interferometry Mission, and, in addition, this Team will be significantly involved in the development phases of the mission.
		The strategic goal of the SIM science program is to undertake investigations that cannot be carried out by any other mission in the current Space Science Strategic Plan, including the Explorer and Discovery Programs, other likely ground-based programs, and/or missions and facilities sponsored by non-U.S. agencies.
	research.hq.nasa.gov /code_s/nra/current/AO-00-OSS-01/sim.doc (0 words)

	Missions - Space Interferometry Mission
		The Space Interferometry Mission (SIM) is an orbiting interferometer that will link multiple telescopes to function in unison as a much larger "virtual telescope." Its main goal is to detect planets of varying sizes -- from huge planets the size of Jupiter down to planets a few times as massive as Earth.
		In addition, the mission will determine positions and distances to stars with an accuracy several hundred times greater than current telescope technology allows.
		The mission will determine the distances to important signposts throughout the Milky Way, which will help us understand the universe, determine its age and size, and predict its future.
	www2.jpl.nasa.gov /missions/future/sim.html (0 words)

	NASA - Knocking on Heaven's Door
		The SIM will help to determine which of these faraway planets might be similar to Earth in mass and temperature.
		Since another SIM team led by the University of California in Berkeley will also scrutinize nearby stars in a different study, the two sets of researchers held a "draft pick" of the closest 200 stars.
		The mission is planned for a 2014 launch.
	www.nasa.gov /missions/science/planetsurvey.html (0 words)

	Space Interferometry Mission Instrument Model and Astrometric Performance Validation
		The Space Interferometry Mission (SIM), will perform very accurate astrometric measurements to measure the positions of stars using a 10 m baseline optical interferometer.
		The accuracy of the internal and external metrology measurements and the guide interferometer measurements are important for the quality of the feed forward signal and also for the ultimate astrometric performance of the instrument.
		The effect of averaging methods to reduce metrology cyclic error and the viability of on-orbit calibration maneuvers are studied.
	www.ewh.ieee.org /soc/aes/taes/aes404/4041228.htm (0 words)

	Astronomy Space Telescope Missions (Site not responding. Last check: 2007-10-05)
		Hubble Space Telescope, Glimpsing the Birth of the Universe
		Hubble Space Telescope- the development as seen in 1982 A Scientific American article by John N. Bahcall and Lyman Spitzer, Jr.
		The interferometry design allows light waves from the host star to be cancelled, thereby enabling any smaller orbiting bodies to become more visible.
	members.aol.com /gca7sky/mission2.htm (0 words)

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