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The nature of Weinberger-12.

Feibelman, W. A.; Kaler, J. B.

From IUE spectra of its central star, the authors conclude that Weinberger-12 is a small H II region, and not a planetary nebula. The star is substantially reddened with a color excess of 0^m.75, is most likely a B0.5 - B1 giant or subgiant about three kpc distant, and possibly belongs to the Cas OB2 association.