1 September 2009 Power emitted by a nearby solar system and intercepted by a system of apertures near Earth
Author Affiliations +
Abstract
We analyze the power collection ability of a multiple aperture configuration for geometry where the source and the collector lateral distances are enormously smaller than their separation, as in the case of detection of a nearby planetary system from the Earth or its vicinity. We show that the size, shape, orientation of, or spacing between the individual apertures in a multiple aperture configuration does not impact the amount of power originating at the planet or the star, and therefore does not reduce the signal-to-noise ratio. The collection of power from the star, the planet, and the debris is increased in the same linear fashion by increasing the projected area of all apertures, as by increasing the signal-collection time. In addition, we find that the phase delay between apertures is not of importance. Finally, we demonstrate that no planet is sufficiently close to its star that its image would fall on the zero incidance pattern, according to the laws of Keplerian motion.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marija Strojnik, Marija Strojnik, } "Power emitted by a nearby solar system and intercepted by a system of apertures near Earth", Proc. SPIE 7453, Infrared Spaceborne Remote Sensing and Instrumentation XVII, 745310 (1 September 2009); doi: 10.1117/12.847324; https://doi.org/10.1117/12.847324
PROCEEDINGS
11 PAGES


SHARE
RELATED CONTENT

Advantages of placing an array of telescopes on the Moon...
Proceedings of SPIE (September 19 2013)
Strategies for SETI target selection
Proceedings of SPIE (August 06 1993)
The Drake Equation revisited
Proceedings of SPIE (September 03 2009)
Requirements on the stellar rejection for the Darwin Mission
Proceedings of SPIE (October 20 2004)

Back to Top