Other
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203..419b&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 203, Apr. 1983, p. 419-431. Research supported by the Science and Engin
Other
9
Diffuse Radiation, Early Stars, Interstellar Extinction, Stellar Spectra, Anomalies, Data Correlation, Orion Nebula, Pleiades Cluster, Spectral Line Width
Scientific paper
The authors present the results of a study of the λλ5780, 5797 diffuse interstellar features in 21 early-type stars. Anomalously weak equivalent widths with respect to interstellar reddening are found for several stars associated with regions of current or recent star formation in Orion, Perseus and the Pleiades. There are indications in the results that the individual diffuse bands and the λ2200 extinction feature may not correlate precisely with each other in sight-lines where anomalies occur. A comparison of HD 24534 (χ Per) with other stars in Perseus and with stars in CMa R1 suggests that cloud density may be the critical factor in determining the diffuse band production efficiency.
Baines W. T. D.
Whittet Doug C. B.
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