Results 221 to 230 of about 32,530 (259)

Optimizing cryogen utilization on Spitzer Space Telescope [PDF]

SPIE Proceedings, 2004
The instruments of the Spitzer Space Telescope are cooled directly by liquid helium, while the optical system is cooled by helium vapor. The greater the power dissipation into the liquid helium, the more vapor is produced, and the colder the telescope. Observations at shorter wavelengths do not require telescope temperatures as low as those required
Paul T. Finley, Charles R. Lawrence
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Planning and scheduling the Spitzer Space Telescope

SPIE Proceedings, 2006
Stephen J. Barba, Lisa J. Garcia, Douglas B. McElroy, David S. Mittman, JoAnn C. O’Linger, and Steven R.Tyler Spitzer Science Center California Institute of Technology Pasadena, CA 91125 626-395-8799 sjb@ipac.caltech.edu , lisag@ipac.caltech.edu , dmcelroy@ipac.caltech.edu , dmittman@ipac.caltech.edu , joanno@ipac.caltech.edu , styler@ipac.caltech.edu ...
Douglas B. McElroy, Steven R. Tyler, Stephen J. Barba, David S. Mittman, JoAnn O'Linger, Lisa J. Garcia   +5 more
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Spitzer Space Telescope mission design

SPIE Proceedings, 2004
This paper gives a description of the mission design, launch, orbit, and navigation results for the Spitzer space telescope mission. The Spitzer telescope was launched by the Delta II Heavy launch vehicle into a heliocentric Earth trailing orbit. This orbit is flown for the first time and will be used by several future astronomical missions such as ...
Mark D. Garcia, Johnny H. Kwok, Eugene Bonfiglio, Stacia M. Long   +3 more
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Spitzer Space Telescope proposal process

SPIE Proceedings, 2006
This paper discusses the Spitzer Space Telescope General Observer proposal process. Proposals, consisting of the scientific justification, basic contact information for the observer, and observation requests, are submitted electronically using a client-server Java package called Spot.
Nancy A. Silbermann, Seppo Laine, Lisa J. Storrie-Lombardi, Luisa Rebull   +3 more
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The Road to Launch and Operations of the Spitzer Space Telescope

SpaceOps 2006 Conference, 2006
Spitzer Space Telescope, the fourth and final of NASA's Great Observatories, and the cornerstone to NASA's Origins Program, launched on 25 August 2003 into an Earth-trailing solar orbit to acquire infrared observations from space. Spitzer has an 85cm diameter beryllium telescope, which operates near absolute zero utilizing a liquid helium cryostat for ...
Wilson, Robert K., Scott, Charles P.
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The spitzer space telescope mission

Advances in Space Research, 2005
Abstract The Spitzer Space Telescope, NASA’s Great Observatory for infrared astronomy, was launched 2003 August 25 and is returning excellent scientific data from its Earth-trailing solar orbit. Spitzer combines the intrinsic sensitivity achievable with a cryogenic telescope in space with the great imaging and spectroscopic power of modern detector ...
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Galaxies in the Zone of Avoidance with the Spitzer Space Telescope

Research Notes of the AAS, 2020
Abstract In this work we describe 59 galaxies discovered in the talk-forum of the Milky Way Project (MWP) by volunteers of the project. The MWP is based on infrared images by the Spitzer Space Telescope and primarily probes the Zone of Avoidance for star-forming regions located in the Milky Way. The list of galaxies found here include 35
Melina Thévenot, Claude Cornen, Brian L. Goodwin, Christine Macmillan, Andrés Guillermo Stenner, Barbara Téglás   +5 more
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Infrared observations of comets with the Spitzer Space Telescope

Advances in Space Research, 2006
Abstract The scientific motivation for infrared studies of comets is reviewed and the capabilities of Spitzer for cometary observations are described. We present Spitzer Space Telescope images and spectra of several comet comae, tails, and debris trails. Spitzer observations of Comet 29P/Schwassmann-Wachmann 1 are reviewed.
Charles E. Woodward, Michael S. P. Kelley, William T. Reach, Robert D. Gehrz   +3 more
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Spitzer space telescope faces cancellation

Physics World, 2014
An orbiting infrared observatory that has studied everything from exoplanets to the origin of the universe is set to be cancelled after NASA refused to pay the $17m cost to extend the mission beyond this year.
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Spitzer Space Telescope: observatory, description, and performance

SPIE Proceedings, 2004
The Spitzer Space Telescope, the last of the four Great Observatories commissioned by the National Aeronautics and Space Administration, was successfully launched on August 25, 2003 from Kennedy Space Center. The engineering systems for Spitzer were developed by the Jet Propulsion Laboratory, Lockheed Martin Space Systems Company, and Ball Aerospace &
Keyur C. Patel, Stuart R. Spath
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