Other
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204..241h&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, July 1983, p. 241-247.
Other
90
A Stars, Astronomical Maps, F Stars, Interstellar Extinction, Milky Way Galaxy, Ubv Spectra, Calibrating, Cosmic Dust, Hydrogen Clouds, Stellar Color, Stellar Spectrophotometry
Scientific paper
A reddening map for the North Galactic Pole region based on uvbyβ photometry of ˜1000 stars with b > 75° is presented. The only significant amount of reddening occurs over about half the field and within the first 100 pc; there is an additional small H I cloud with associated dust at about 120 pc. Otherwise much of the volume seems to be essentially free of interstellar absorption at least out to 1 kpc.
The large amount of data is used, in part, to define for the first time the intrinsic colour and absolute magnitude calibration for uvbyβ photometry of stars in the range -0.01 < (b-y) < 0.06 (B9-A2) as well as to suggest two minor modifications to Crawford's calibrations of this photometric system.
Barnes Jeannette V.
Hilditch Ron W.
Hill Gary
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