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- W4297657785 abstract "We have obtained H$alpha$ CCD images of 21 compact planetary nebulae in the galactic bulge. All objects are resolved and, after deconvolving the seeing disk, we find diameters of 1--2$''$ with typical uncertainties of 20%. The values are generally in good agreement with radio measurements but are smaller than older optical measurements. Based on the new values, we find that the Shklovsky method for distance determination greatly overestimates the actual distance for all of our objects." @default.
- W4297657785 created "2022-09-30" @default.
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- W4297657785 date "1993-09-14" @default.
- W4297657785 modified "2023-09-26" @default.
- W4297657785 title "Angular Diameters of Compact Planetary Nebulae" @default.
- W4297657785 doi "https://doi.org/10.48550/arxiv.astro-ph/9309020" @default.
- W4297657785 hasPublicationYear "1993" @default.
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