Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981spie..280..194k&link_type=abstract
In: Infrared astronomy - Scientific/military thrusts and instrumentation; Proceedings of the Meeting, Washington, DC, April 21,
Astronomy and Astrophysics
Astronomy
Infrared Astronomy, Infrared Stars, Prediction Analysis Techniques, Star Distribution, Computer Techniques, Data Acquisition, Extrapolation, Galactic Structure, Giant Stars, Infrared Radiation, Interstellar Extinction, K Stars, Main Sequence Stars, Milky Way Galaxy, Radiation Sources, Sky Surveys (Astronomy)
Scientific paper
A technique has been developed for predicting 2.2-micron source counts based on an extrapolation of the Cal Tech Two-Micron Sky Survey (IRC) using a galactic structure model. The technique utilizes a computer code, CELES, which calculates the number of sources/sq degree brighter than a given flux along a line of sight and the total starlight due to these sources. Main sequence stars, K giant stars, and external galaxies are included, and the effect of interstellar absorption is considered. The feasibility of a 2-micron survey that would be approximately 1000 times as sensitive as the IRC is discussed. Such a survey would permit the determination of stellar distributions in the galaxy over considerable distances and provide data for the validation and further extrapolation of near-IR source counts.
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