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Speckle imaging of NGC 1068 and NGC 4151 in the forbidden O III 5007 A line and nearby continuum
Images of NGC 1068 and NGC 4151 in the forbidden O III 5007 A emissionline and nearby continuum are presented with about 0.3 arcsecresolution. The images are reconstructed using recently developedspeckle imaging techniques. Each object shows a bipolar extendedstructure in the emission line with lobes extending about 0.4 arcsecfrom an apparently unresolved central source. The unresolved componentemits about half the flux and is smaller than single-densityphotoionization models predict.
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Observation and Astrometry data
| Constellation: | Walfisch |
| Right ascension: | 02h39m18.58s |
| Declination: | -01°54'03.6" |
| Apparent magnitude: | 8.484 |
| Distance: | 120.192 parsecs |
| Proper motion RA: | 64.9 |
| Proper motion Dec: | -0.4 |
| B-T magnitude: | 9.391 |
| V-T magnitude: | 8.559 |
Catalogs and designations:
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