Stray light issues for background-limited infrared telescope operation

1991 ◽  
Author(s):  
Marija Scholl ◽  
James W. Scholl
Keyword(s):  
Stray Light ◽  
Infrared Telescope

scholarly journals Discovery of a Reflection Dust Envelope Around IRC+10216

1988 ◽  
Vol 108 ◽  
pp. 181-182
Author(s):  
M. Tamura ◽  
T. Hasegawa ◽  
N. Ukita ◽  
I. Gatley ◽  
I. S. McLean ◽  
...  
Keyword(s):  
United Kingdom ◽  
Stray Light ◽  
Type Star ◽  
Good Measure ◽  
Degree Of Polarization ◽  
Great Care ◽  
Late Type ◽  
Dust Envelope ◽  
Infrared Telescope ◽  
Late Type Star

Infared polarimetric and photometric mapping observations at K(2.2 μm) and H(1.65 μm) have revealed an extended dust envelope around the late-type star IRC+10216. The observations were made on the 3.8-m United Kingdom Infrared Telescope on Mauna Kea, Hawaii, in 1985 December and 1987 January and February. The polarization observations were made by emplying the Kyoto polarimeter (Sato et al. 1987). Great care was taken to check the contamination by stray light in the telescope and instruments as the source on peak was extremely bright (K~0 mag). From the observations of normal stars, we found that the polarized intensity (degree of polarization times the intensity) was a good measure of the envelope, free from contamination by stray light, although the intensity and the degree of polarization suffered from the contamination separately.

The influence of the thermal environment on the stray light performances of infrared telescope systems

2010 ◽  
Author(s):  
Jing Xiao ◽  
Xiuwen Yao ◽  
Bin Zhang ◽  
Shuguang Zeng ◽  
Pan He
Keyword(s):  
Thermal Environment ◽  
Stray Light ◽  
Infrared Telescope

FIRBE: New Japanese Balloon-Borne Infrared Telescope

2002 ◽  
Vol 4 ◽  
pp. 407-407
Author(s):  
H. Shibai ◽  
S. Arimura ◽  
T. Teshima ◽  
Y. Doi ◽  
T. Nakagawa ◽  
...  
Keyword(s):  
Infrared Telescope

Proposals for the ISS: «BIT» Experiment On-board infrared telescope

2000 ◽  
Vol 6 (4) ◽  
pp. 62-63
Author(s):  
L.M. Shulman ◽  
Y.A. Melenevsky
Keyword(s):  
Infrared Telescope

scholarly journals IRTS: Infrared Telescope in Space

1990 ◽  
Vol 123 ◽  
pp. 215-222
Author(s):  
Toshio Matsumoto
Keyword(s):  
Focal Plane ◽  
Near Infrared ◽  
Space Shuttle ◽  
Spectroscopic Measurement ◽  
Small Space ◽  
Valuable Data ◽  
Infrared Telescope ◽  
Wide Wavelength Range ◽  
Infrared Sources ◽  
Very High

AbstractIRTS is a small cryogenically cooled telescope onboard the small space platform SFU (Space Flyer Unit). SFU will be launched with the new Japanese HII rocket on January 1994 and retrieved by the space shuttle.The IRTS telescope has an aperture of only 15 cm diameter, but is optimized to observe diffuse extended infrared sources. Four focal plane instruments are being developed under collaboration between Japan and the U.S.A. IRTS covers a wide wavelength range from near-infrared to submillimeter region, and has a capability for the spectroscopic measurement. Due to newly developed detectors, the sky will be surveyed with very high sensitivities. IRTS will provide valuable data on cosmology, galactic structure, cosmic dust, etc.

A low stray light, high current, low energy electron source

1999 ◽  
Vol 70 (10) ◽  
pp. 3886-3888 ◽  
Author(s):  
M. Adelt ◽  
R. Körber ◽  
W. Drachsel ◽  
H.-J. Freund
Keyword(s):  
Electron Source ◽  
Low Energy ◽  
Energy Electron ◽  
Stray Light ◽  
High Current ◽  
Low Energy Electron
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