Narrow Band Photoelectric H Photometry in Late-type Stars
Open Access
- 1 September 1966
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 133 (4) , 449-461
- https://doi.org/10.1093/mnras/133.4.449
Abstract
New accurate narrow-band photoelectric measurements of H α in 218 G, K stars are listed. The band-width was 10.6 Å. The data are discussed with reference to earlier observational and theoretical work on H α in late-type stars by Peat (2), and substantially different population characteristics are found in the new observations. If individually accurate measurements of the strength of a strong absorption line are to be obtained by this method, it is important that a sufficiently narrow band-width be used.Keywords
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