Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977opten..16..551f&link_type=abstract
Optical Engineering, vol. 16, Nov.-Dec. 1977, p. 551-557. Research supported by the Harvard College Observatory and Smithsonian
Astronomy and Astrophysics
Astronomy
14
Balloon-Borne Instruments, Far Infrared Radiation, Infrared Astronomy, Telescopes, Angular Resolution, Astronomical Maps, Attitude Control, Flight Characteristics, H Ii Regions, Photometry, Pointing Control Systems, Stellar Evolution
Scientific paper
The Center for Astrophysics-University of Arizona balloon-borne, inertially-guided, 102 cm telescope was designed to perform photometry and high resolution mapping of far-infrared (40-250 micron) celestial sources. To date the telescope has now been flown and successfully recovered a total of ten times. Six of the flights have produced useful astronomical data, resulting in more than 40 hours of observations of numerous objects, such as HII regions, dark clouds, molecular clouds, galaxies, the galactic center, planets, and an asteroid. Maps with a resolution of 1 arcmin FWHM have been achieved with absolute position accuracies of plus or minus 10 arcsec. The rms noise equivalent flux density of the system is approximately 70 Jy/(Hz) to the 1/2. From the launch site in Texas, sources as far south as - 50 degrees declination have been observed.
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