Results 181 to 190 of about 3,801 (208)

Optimizing cryogen utilization on Spitzer Space Telescope

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
Charles R. Lawrence, Paul T. Finley
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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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DPhot photometry method for the Spitzer Space Telescope

SPIE Proceedings, 2006
DPhot is a "deep photometry" computer program for measuring faint point sources from an overlapping set of astronomical images without making a mosaic. A grid of points is written on the sky. The point response function is used to calculate influence coefficients between the grid points and the pixels.
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Investigating Space Weather Events Impacting the Spitzer Space Telescope

SpaceOps 2014 Conference, 2014
Our understanding of the dynamical process in the space environment has increased dramatically. A relatively new field of study called "Space Weather" has emerged in the last few decades. Fundamental to the study of space weather is an understanding of how space weather events such as solar flares and coronal mass ejections impact spacecraft in varying
Cheng, Leo Y., Hunt, Joseph C., Jr., Stowers, Kennis, Lowrance, Patrick, Stewart, Andrzej, Travis, Paul   +5 more
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Flight cooling performance of the Spitzer Space Telescope cryogenic telescope assembly

SPIE Proceedings, 2004
The Cryogenic Telescope Assembly (CTA) on the Spitzer Space Telescope employs a revolutionary warm launch design. Unlike previous space cryogenic telescopes, the Spitzer telescope is mounted outside of the cryostat and was launched at ambient temperature.
Paul T. Finley, Richard A. Hopkins, Russell B. Schweickart   +2 more
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The Spitzer Space Telescope: the first 30 months

SPIE Proceedings, 2006
We provide an overview of the design of the Spitzer Space Telescope and review scientific highlights from the first 30 months of on-orbit operations.
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Planet Formation Studies with the Spitzer Space Telescope

Space 2005, 2005
This paper will review the progress in planet formation science which Spitzer has enabled, and look forward to future contributions we can expect over the 5-year mission lifetime.
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Observing Exoplanets with the Spitzer Space Telescope

2017
Charles A. Beichman, Drake Deming
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Spitzer Space Telescope

2011
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Solar system observations with Spitzer Space Telescope: Preliminary results

Advances in Space Research, 2005
Dale P Cruikshank
exaly