Figure 3 from The Membership and Distance of the Open Cluster Collinder 419

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The Membership and Distance of the Open Cluster Collinder 419

Authors: Lewis C. Roberts Jr., Douglas R. Gies, J. Robert Parks, Erika D. Grundstrom, M. Virginia McSwain, David H. Berger, Brian D. Mason, Theo A. ten Brummelaar, and Nils H. Turner

ROBERTS et al. 2010 The Astronomical Journal 140 744.

Provider: AAS Journals

Caption: Figure 3.

We estimate the spectral type of HD 193322 D as B9 V due to the strength of the Ca ii K lines. The H Balmer, He, and metal lines are weak. The spectra were normalized and then offset to improve clarity.

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