Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.197..413j&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 197, Nov. 1981, p. 413-428.
Astronomy and Astrophysics
Astronomy
126
Astronomical Models, Background Radiation, Hydroxyl Emission, Infrared Radiation, Masers, Cosmic Dust, Interstellar Extinction, Milky Way Galaxy, Star Distribution, Stellar Luminosity
Scientific paper
A simple exponential disc model for the distribution of stars and extinction dust in the galaxy is developed for the purpose of predicting the infrared stellar luminosity function along an arbitrary line of sight at any given wavelength and apparent magnitude limit. The model luminosity function is used to determine the extent to which the stellar field will contaminate searches for the infrared counterpart of type II OH masers. The model parameters are calibrated using 2.2 micron source count data available in the literature, and new data presented here for the first time. In the plane, contamination by the field is found to be serious by 8th magnitude at 2.2 microns and 7th magnitude at 3.5 microns for a 20 arcsec radius search area.
Ashley Mary
Hyland A. R.
Jones Terry J.
Ruelas-Mayorga Alex
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