| High-precision stellar parallaxes from Hubble Space Telescope fine guidance sensors | Astronomy and Astrophysics Letters 379 2 : L44—L47 |
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| Clifton, Timothy; Ferreira, Pedro G March 23, 2009 | "The imaging performance of the Hubble Space Telescope" |
Contains many of the primary documents such as Spitzer's 1946 article, the Wood's Hole report on STScI autonomy, and the ESA memorandum of understanding.
25| Institute of Astronomy X-Ray Group | "Physical processes behind the morphological Hubble sequence" |
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| "What is the True Fraction of Barred Spiral Galaxies? Institute of Astronomy X-Ray Group | Contains many of the primary documents such as Spitzer's 1946 article, the Wood's Hole report on STScI autonomy, and the ESA memorandum of understanding |
The Astrophysical Journal Supplement Series.